CN109451006A - A kind of data transmission method, device, server and computer storage medium - Google Patents
A kind of data transmission method, device, server and computer storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L67/01—Protocols
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Abstract
The embodiment of the invention discloses a kind of data transmission method, device, server and computer storage mediums, this method comprises: the data sent to the interior network termination, which carry out fragment, obtains at least one data fragmentation, the fragment image in 2 D code of the data fragmentation is generated, the data are text data or TCP data；The fragment image in 2 D code is sequentially displayed on the serial ports display screen.Through the above technical solutions, realize data carries out one-way transmission in a manner of image in 2 D code, information leakage is avoided, it is simple and convenient, and ensure that the consistency and real-time of information.
Description
Technical field
The present embodiments relate to technical field of data transmission more particularly to a kind of data transmission method, device, servers
And computer storage medium.
Background technique
With the development of technology, it is very general to obtain required information or resource that information exchange is carried out between each system
Time, and for government or the enterprise especially paid attention to information security, it often requires that Intranet system and outer net isolation of system, only allows
A small amount of information is transferred to outer net system, and traditional data transmission utilizes USB flash disk or disposable writable disc mostly, cannot be real-time
Data are obtained, and there is also some potential safety problemss for transmission process, are inconvenient.
Summary of the invention
The present invention provides a kind of data transmission method, device, server and computer storage medium, to realize a small amount of information
Outer net system is transferred to by Intranet system, while guaranteeing the consistency and real-time of information.
In a first aspect, being applied to intranet server, the Intranet the embodiment of the invention provides a kind of data transmission method
Server is connect with interior network termination and serial ports display screen respectively, comprising:
Fragment is carried out to the data that the interior network termination is sent and obtains at least one data fragmentation, generates the data fragmentation
Fragment image in 2 D code, the data be text data or TCP data；
The fragment image in 2 D code is sequentially displayed on the serial ports display screen.
Second aspect, the embodiment of the invention also provides a kind of data transmission methods, are applied to external network server, described outer
Network server is connect with outer network termination and image collecting device respectively, comprising:
With the image in 2 D code that setting time interval acquiring described image acquisition device captures, the image in 2 D code is shown
On the serial ports display screen being connected with intranet server；
The data in the image in 2 D code are identified and stored, the data are text data or TCP data；
When stored data fit sends condition, the stored data are sent to the outer network termination.
The third aspect, the embodiment of the invention also provides a kind of data transmission devices, are configured at intranet server, described interior
Network server is connect with interior network termination and serial ports display screen respectively, comprising:
Generation module, the data for sending to the interior network termination carry out fragment and obtain at least one data fragmentation, raw
At the fragment image in 2 D code of the data fragmentation, the data are text data or TCP data；
Display module, for the fragment image in 2 D code to be sequentially displayed in the serial ports display screen.
Fourth aspect, the embodiment of the invention also provides a kind of data transmission devices, are configured at external network server, described outer
Network server is connect with outer network termination and image collecting device respectively, comprising:
Module is obtained, the image in 2 D code for capturing with setting time interval acquiring described image acquisition device is described
Image in 2 D code is shown on the serial ports display screen being connected with intranet server；
Memory module for identification and stores the data in the image in 2 D code, and the data are text data or TCP
Data；
Sending module, for when stored data fit sends condition, the stored data to be sent to institute
State outer network termination.
5th aspect, the embodiment of the invention also provides a kind of intranet servers, comprising:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes data transmission method as described in relation to the first aspect.
6th aspect, the embodiment of the invention also provides a kind of external network servers, comprising:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the data transmission method as described in second aspect.
7th aspect, the embodiment of the invention also provides a kind of computer storage mediums, are stored thereon with computer program,
Data transmission method as described in relation to the first aspect is realized when the program is executed by processor.
Eighth aspect, the embodiment of the invention also provides a kind of computer storage mediums, are stored thereon with computer program,
The data transmission method as described in second aspect is realized when the program is executed by processor.
The embodiment of the invention provides a kind of data transmission method, device, server and storage mediums, by described interior
The data that network termination is sent carry out fragment and obtain at least one data fragmentation, generate the fragment two dimensional code figure of the data fragmentation
Picture, the data are text data or TCP data；The fragment image in 2 D code is sequentially displayed in the serial ports display screen
On, the transmission of data is carried out by way of image in 2 D code, it is simple and convenient, and ensure that information consistency and in real time
Property.
Detailed description of the invention
Fig. 1 is a kind of flow chart for data transmission method that the embodiment of the present invention one provides；
Fig. 2 is the system architecture schematic diagram that data transmit foundation；
Fig. 3 is a kind of flow chart of data transmission method provided by Embodiment 2 of the present invention；
Fig. 4 is the schematic diagram for the fragment image in 2 D code that the data fragmentation of serial number 92 generates；
Fig. 5 is a kind of flow chart for data transmission method that the embodiment of the present invention three provides；
Fig. 6 is a kind of structure chart for data transmission device that the embodiment of the present invention four provides；
Fig. 7 is a kind of structure chart for data transmission device that the embodiment of the present invention five provides；
Fig. 8 is a kind of structure chart for intranet server that the embodiment of the present invention six provides；
Fig. 9 is a kind of structure chart for external network server that the embodiment of the present invention seven provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow chart for data transmission method that the embodiment of the present invention one provides.The present embodiment can be applied to interior
Network server, this method can be executed by data transmission device.Specifically, with reference to Fig. 2, Fig. 2 is for what data transmitted foundation
System configuration diagram, intranet server 220 is connect with interior network termination 210 and serial ports display screen 230 respectively, when interior network termination 210
When data are uploaded to intranet server 220, the type of the data based on the received of intranet server 220 is respectively processed, and
Treated data by Serial Port Line or USB line are transferred to serial ports display screen 230, are shown by serial ports display screen 230, this
When image collecting device 240 acquire the image on serial ports display screen 230, and by the image transmitting of acquisition to external network server 250,
It is identified by external network server 250, and is ultimately sent to outer network termination 260.
As shown in Figure 1, the present embodiment one provide be applied to intranet server on data transmission method specifically include as
Lower step:
S110, at least one data fragmentation is obtained to the data progress fragment that the interior network termination is sent, generates the number
According to the fragment image in 2 D code of fragment.
Specifically, the data are text data or TCP data, wherein text data can be the text-types number such as TXT
According to TCP data can be the data flow for supporting Transmission Control Protocol.Interior network termination can be the intelligence such as mobile phone, laptop or PAD
Terminal can be uploaded to intranet server by FTP or SMB mode, in order to guarantee when data to be uploaded are text data
The integrality of data and processing convenient for intranet server to data, can establish specific mesh in intranet server in advance
Record, text data can be directly uploaded in specific catalogue by network termination interior in this way, simple and convenient；When data to be uploaded are
When TCP data, intranet server can establish connection by TCP agent port and interior network termination, complete the reception of TCP data,
Wherein, TCP agent port is the port of intranet server creation, can guarantee the TCP number of a small amount of low speed by TCP agent port
According to real-time transmission.
Data need to consider the information carrying capabilities of transmission device when transmitting, when data transmission capacity is greater than transmission device
When information carrying capabilities, data portion loss will lead to, transmission is imperfect, therefore, the information carrying capabilities based on transmission device,
Fragment can be carried out to data, to guarantee the integrality of data.Data fragmentation can be random fragment, be also possible to according to certain
Size carry out fragment, for example, the information carrying capabilities of transmission device are 200 bytes, size of data is 875 bytes, then can be with
Split data into 5 fragments, 200 byte of the first fragment, 200 byte of the second fragment, 200 byte of third fragment, the 4th fragment 200
Byte, 75 byte of the 5th fragment.The present embodiment is after data carry out fragment, using currently a popular coding mode two dimensional code logarithm
It is encoded according to fragment, generates fragment image in 2 D code, it should be noted that the information that two dimensional code carries is limited, that is, is had
There are certain information carrying capabilities, the effective information that intranet server can transmit received data according to two dimensional code carries
Capacity carries out fragment.
S120, the fragment image in 2 D code is sequentially displayed on the serial ports display screen.
Specifically, serial ports display screen can be liquid crystal display, the two-dimentional image of fragment can be received in real time.Intranet clothes
Pass through Serial Port Line after business device generation fragment image in 2 D code or USB line is shown on serial ports display screen, for image collecting device
Acquire image, it should be pointed out that the transmission of image in 2 D code is that in real time, i.e., intranet server generates fragment image in 2 D code
And completing the transmission of fragment image in 2 D code is a real-time process, to guarantee the timely of data transmission.
The embodiment of the invention provides a kind of data transmission methods, are divided by the data sent to the interior network termination
Piece obtains at least one data fragmentation, generates the fragment image in 2 D code of the data fragmentation；By the fragment image in 2 D code
It is sequentially displayed on the serial ports display screen, the transmission of data, simple and convenient, Er Qiebao is carried out by way of image in 2 D code
The consistency and real-time of information are demonstrate,proved.
Embodiment two
Fig. 3 is a kind of flow chart of data transmission method provided by Embodiment 2 of the present invention, on the basis of above-described embodiment
On embodied, when the data be text data when, which specifically comprises the following steps:
The data that network termination is sent in S210, reception.
S220, information image in 2 D code is generated according to the attribute information of the data, and by the information image in 2 D code
It is shown on the serial ports display screen.
Wherein, the attribute information includes: text path, size text, text read-write properties, text access time and text
This modification time.Information image in 2 D code can be understood as the image in 2 D code comprising text data attribute information.Specifically,
Text path is for identifying the currently stored path of content of text, to search corresponding content of text according to text path.Root
According to the quantity for the available text data fragment of information carrying capabilities that size text and two dimensional code transmit.Text read-write properties
It can be read-only, hiding or achieve, such as when text read-write properties are read-only, show that content of text can only be read, and it is right
Cannot its modify.Text access time and text modification time can search in order to user according to the time of access or modification
Required text.In actual transmissions, information image in 2 D code can be shown at set time intervals on serial ports display screen, with
Just image collector is equipped with the sufficient time to acquire image, and specific time interval can be set according to actual needs, such as
It can be set as 100 milliseconds.
Specifically, when intranet server receives text data, this article notebook data is scanned, reads content of text to interior
It deposits, and recording text path, size text, text read-write properties, text access time and text modification time, then according to text
The attribute information of notebook data generates information image in 2 D code, and is shown on serial ports display screen by Serial Port Line or USB line,
In, the size of the receivable text data of intranet server can specifically be set according to actual needs, for example, it can be set to Intranet
Server can receive 100K text data below, to realize the transmission of low volume data.
Attribute information more than one based on data is believed in order to further illustrate how to be generated according to the attribute information of data
Image in 2 D code is ceased, the present embodiment is embodied as S220:
Select the text path and the size text as the first attribute information, it is the text read-write properties, described
Text access time and the text modification time are as the second attribute information；
The first data format based on setting forms the first format data of first attribute information；
The second data format based on setting forms the second format data of second attribute information；
Two-dimensional encoded rule based on setting generates the corresponding first information image in 2 D code of first format data
And the corresponding second information image in 2 D code of second format data；
In first format data and the second format data respectively include: action type information and label information.
Specifically, the first data format can be preset data format, with facilitate to the attribute informations of data into
Row unified management, such as the first data format can be set to serial number+check code+action type information+size text+label letter
This format of breath+text path (contain filename), wherein the introducing of serial number on the one hand can be in order to which intranet server be by information two
Dimension code image is continuously sent to serial ports display screen according to serial number, on the other hand when external network server is obtained by image collecting device
Win the confidence breath image in 2 D code when, can whether continuously whether complete with the received data of determination according to serial number.Check code for pair
Data, which complete verification, can carry corresponding check code, when external network server receives data, according to reception when data are sent
Data recalculate check code, and the check code carried with data is compared, to examine received data whether correct,
In, check code is calculated according to action type, size text, label information and text path, calculating process and existing
The method for having IP header check code in technology is similar, and details are not described herein again.Label information is calculated according to text path
MD5 (Message Digest Algorithm, Message Digest 5) value, MD5 value can be used for the verifying of data consistency, when
When the MD5 value of two kinds of data is consistent, shows that two kinds of data belong to same type, that is, can be stored in the same area.Action type letter
The concrete type for indicating data is ceased, such as when action type information is 1, indicates that current data is the first formatting number
According to when action type information is 2, expression current data is the second format data.Second data format can be set to sequence
Number+check code+action type information+label information+text read-write properties+text access time+text access time.Two dimension is compiled
Code rule is a kind of coding mode based on two dimensional code, generates the corresponding first information two of the first format data based on the rule
Tie up code image and the corresponding second information image in 2 D code of the second format data.
Illustratively, the form for the first format data that the first data format based on setting is formed can be 90, CK:
001a, OP:1FZ:28158FPMD5:f852a581e229230a806360a3cbad8258FP:che n/install.log,
In, 90 be serial number, and CK is check code mark, is indicated with 16 system numbers, and OP is action type message identification, and action type is believed herein
Breath is that 1, FZ is size text mark, and size text is 28158 bytes herein, and FPMD5 is label information, and FP is text path mark
Know.The form for the second format data that the second data format based on setting is formed can be 91, CK:e5dd, OP:
2FPMD5:f852a581e229230a806360a3cbad8258MD:33188AT:153786 2861MT:1537862861,
In, MD indicates text read-write properties mark, and AT indicates text access time mark, and MT indicates text modification time identifier, herein
Action type information is 2, serial number 91.It is understood that intranet server is according to serial number 90,91 during actual transmissions
Sequence be sent on serial ports display screen.
S230, the information carrying capabilities based on two dimensional code transmission, determine the fragment size of the data.
The information capacity that two dimensional code can carry is the foundation of data fragmentation, it is to be understood that two dimensional code can carry
Information word joint number be limited, when be more than its information word joint number that can be carried the upper limit when, will lead to data portion lose and
It is imperfect, such as the information word joint number that two dimensional code maximum can carry is 200, then based on the value to data fragmentation, what is obtained is every
The byte number of piece of data is less than the integrality for guaranteeing data equal to 200.
S240, fragment is carried out to the data according to the fragment size, forms at least one data fragmentation.
S250, the encryption rule based on setting encrypt each data fragmentation, obtain corresponding fragment encrypted characters string.
Data encryption is the safety in order to guarantee data transmission, avoids information leakage, wherein encryption rule can basis
Actual needs selection, such as can choose BASE64 encryption rule and each data fragmentation is encrypted, select this encryption rule
Benefit then is: no matter initial data is 16 binary datas or ASSIC code, is all after selecting the encryption of BASE64 encryption rule
ASSIC code character string is conducive to subsequent two dimensional code and parses to obtain ASSIC code character string, naturally it is also possible to which selection is other to be added
Close rule, such as rsa encryption rule or DES (DataEncryption Standard, data encryption standards) encryption rule.
S260, the third data format based on setting, form the third format data of the fragment encrypted characters string.
Third data format is set a kind of format when carrying out fragment based on data content, specifically can be serial number+
Check code+action type information+text offset+label information+fragment encrypted characters string, wherein introduce text offset be in order to
Discovery in time is in the transmission process of some text data, because of the incomplete situation of text caused by certain loss of data.It is exemplary
, the form of the third format data based on the third data format formation set is 92, CK:3674, OP:0FO:
0FPMD5:f852a581e229230a806360a3cbad8258DT:SW5zdGFsbGluZyBsaWJnY2MtNC40Lj…
MTZqLTEuZWw2Lm5vYXI=, wherein FO indicates text departure indications, and text offset herein is 0, one data of every transmission
Fragment, text offset increase the size of corresponding data fragmentation, and DT indicates fragment encrypted characters string mark, and action type is believed herein
Breath is 0, and action type information is that 0 expression third format data is content of text.
S270, the two-dimensional encoded rule based on setting generate the corresponding first fragment two dimension of the third format data
Code image.
Specifically, fragment image in 2 D code is encoded to data fragmentation, the data carried are content of text.It is based on
The two-dimensional encoded rule of setting generates the corresponding first fragment image in 2 D code of third format data and information image in 2 D code
The process of generation is similar, and details are not described herein again.By taking the data fragmentation of serial number 92 as an example, generated based on two-dimensional encoded rule the
One fragment image in 2 D code can refer to Fig. 4, and Fig. 4 is the signal for the fragment image in 2 D code that the data fragmentation of serial number 92 generates
Figure.
S280, the fragment image in 2 D code is sequentially displayed on the serial ports display screen.
A kind of data transmission method provided by Embodiment 2 of the present invention, is embodied on the basis of the above embodiments,
Data format according to setting carries out fragment to the attribute information of data and data respectively, obtains information image in 2 D code and the
One fragment image in 2 D code, and sequentially shown on serial ports display screen according to serial number, the convenient of data transmission is improved, is avoided
The loss of data.
On the basis of the above embodiments, it is TCP data that the data sent when interior network termination, which are further described, in the present embodiment
When, the realization process of data transmission method, specifically, the present embodiment will be whole to the Intranet when the data are TCP data
The data that end is sent carry out fragment and obtain at least one data fragmentation, and the fragment image in 2 D code for generating the data fragmentation is specific
It turns to:
Based on the information carrying capabilities of two dimensional code transmission, the fragment size of the data is determined；
Fragment is carried out to the data according to the fragment size, forms at least one data fragmentation；
Encryption rule based on setting encrypts each data fragmentation, obtains corresponding fragment encrypted characters string；
The 4th data format based on setting forms the 4th format data of the fragment encrypted characters string；
Two-dimensional encoded rule based on setting generates the corresponding second fragment two dimensional code figure of the 4th format data
Picture；
In 4th format data respectively include: respective fragment encrypted characters string, action type information, TCP generation
Manage port information, Intranet IP address of terminal information and Intranet terminal prot information.
Wherein, the information carrying capabilities based on two dimensional code transmission, determine the fragment size of the data and according to described
Fragment size carries out fragment to the data, and the process for forming at least one data fragmentation is similar with the process of text data, this
Place repeats no more.For the ease of the processing to TCP data, the preferred BASE64 encryption rule of encryption rule herein is divided with obtaining
Piece encrypted characters string.
TCP agent port be intranet server creation for connect Intranet terminal prot with realize TCP data transmit
Port, when Intranet terminal prot establishes connection with the TCP agent port, intranet server creates session structure volume data with reality
When receive TCP data, while saving Intranet IP address of terminal information and Intranet terminal prot information, be arranged in network termination and TCP
The session data offset of proxy port is 0, wherein introduces session data offset, transmits also for timely discovery in TCP data
In the process, the case where certain loss of data cause TCP data to lack.
4th data format is a kind of format set when carrying out fragment based on TCP data, specifically can be serial number+school
Test code+action type information+Intranet IP address of terminal information+Intranet terminal prot information+TCP agent port information+session number
According to offset+data length+flow data classification+this mode of fragment encrypted characters string, wherein data length indicates data fragmentation
Size, action type information herein are 3, and expression is TCP data.Check code is whole according to Intranet IP address of terminal, Intranet
End port, TCP agent port, session data offset, data length, flow data classification and fragment encrypted characters string are calculated,
Detailed process is similar with the method that IP header check code in the prior art calculates, and details are not described herein again.Flow data classification is used for table
The transmission for whether carrying out TCP data shown, when flow data is classified as 2, session data is expressed as, carries out TCP data transmission, work as stream
It when data classification is 3, indicates to disconnect, be transmitted without TCP data, it should be noted that when flow data is classified as 3,
Data length is 0 at this time.
Embodiment three
Fig. 5 is a kind of flow chart for data transmission method that the embodiment of the present invention three provides, and is applied to external network server, outside
Network server is connect with outer network termination and image collecting device respectively, the two dimensional code on image acquisition device serial ports display screen
Image, and the image in 2 D code of acquisition is transferred to external network server, external network server solves the image in 2 D code of acquisition
Analysis obtains initial data, is sent to outer network termination.Specifically, this method comprises:
S310, the image in 2 D code captured with setting time interval acquiring described image acquisition device.
Wherein, the image in 2 D code is shown on the serial ports display screen being connected with intranet server.Specifically, image is adopted
Acquisition means can be the equipment that camera etc. can acquire image, in order to avoid the loss of data, image acquisition device figure
The frequency of picture is greater than the frequency of serial ports display screen two-dimensional code display image, such as the frequency of serial ports display screen two-dimensional code display image
Rate is 10 frames/s, and the frequency of image acquisition device image is greater than 10 frames/s at this time, such as can be 60 frames/s, is simultaneously
The image in 2 D code is identified convenient for external network server, improves the discrimination of image, the camera of image collecting device can be adopted
Use high-definition camera.Time interval is adopted with specific reference to the frequency and image collecting device of serial ports display screen two-dimensional code display image
The frequency for collecting image determines.
Further, in practical application, due to the frequency and image collector of serial ports display screen two-dimensional code display image
The frequency for setting acquisition image is all higher, shakes if there is a side because of unstable in image acquisition process, can all influence
The quality of Image Acquisition, therefore serial ports display screen can be fixed with image collecting device, for example, can by serial ports display screen with
Image collecting device is encapsulated in two dimensional code transmitting device, to fix the position of serial ports display screen and image collecting device, is improved
The quality of Image Acquisition, and then improve the accuracy of data identification.It should be noted that image collecting device is aobvious in acquisition serial ports
It is first initialized before image in 2 D code in display screen.
S320, data in the image in 2 D code are identified and stored.
Wherein, the data are text data or TCP data.Specifically, after external network server receives image in 2 D code, by
Identification module is identified to extract format data, when data are text data, extracts the first format data, the respectively
Two format datas and third format data extract the 4th format data, and will extract when data are TCP data
Format data storage to specified region.Identification module in embodiment compares consumption cpu resource, to mainboard and CPU
Can be more demanding, to guarantee that the recognition speed of two dimensional code is higher than the speed of image acquisition device image in 2 D code, such as can
To select open source module quirc as identification module.Further, serial ports shows that the image in 2 D code of screen display is usually coloured silk
Chromatic graph picture, therefore need that colored image in 2 D code is first converted into artwork master before identifying image in 2 D code, specifically
Conversion method can refer to the prior art, details are not described herein again.
In actual transmissions, it is possible that channeling bit between the frame and frame of image in 2 D code, cause it is possible that channeling bit, figure
The top half of a frame and the lower half portion of another frame are captured in moment as acquisition device, causes the format data obtained wrong
Accidentally, in order to obtain accurate data, external network server is after extracting corresponding format data, according to format data meter
It calculates corresponding check code and is compared with the check code that it is carried, to separate the format data to make mistake, obtained correct
Format data.Further, two are shown since the frequency of image acquisition device image in 2 D code is greater than serial ports display screen
The frequency of code image is tieed up, therefore has the case where serial number repeats in received format data, can be carried out at this time according to serial number
Deduplication processing.
S330, when stored data fit sends condition, it is whole that the stored data are sent to the outer net
End.
Specifically, the condition of transmission can be set according to actual needs, such as it can be and obtain whole numbers in external network server
According to rear instant transmission, can also can also be sent according to the demand of outer network termination with sending at regular intervals.For example, working as
When data are text data, external network server successively obtain the text path of text data, size text, text read-write properties,
At this time local file is written in content of text by text access time, text modification time and content of text, and is arranged corresponding
It text read-write properties, text access time and text modification time, can be complete according to specific transmission condition after being fully completed
At transmission.
Specifically, intranet server can add corresponding serial number in each data fragmentation, for example, above-described embodiment 90,
91 and 92 etc., show that data are sent completely when whole serial numbers are sent according to the ascending progress of serial number when transmission.
A kind of data transmission method that the embodiment of the present invention three provides is applied to external network server, by with setting time interval acquiring
The image in 2 D code of described image acquisition device capture, identifys and stores the data in the image in 2 D code, when stored
When data fit sends condition, the stored data are sent to the outer network termination, realize data by Intranet service
The transmission of device external network server completes one-way data transfer, and by way of two dimensional code, provides one for the acquisition of image
Kind convenience.
On the basis of the above embodiments, identifying and storing the data in the image in 2 D code can be embodied as:
Parsing obtains the format data of the image in 2 D code；
According to the action type information in the format data, the format data is stored.
Specifically, format data can be the first format data, the second format data, third format data or
4th format data, includes action type information in every kind of format data, and different action type information is corresponding different
Format data, the relationship between action type information and format data can be embodied as:
The action type information is 1, identifies the first format data of corresponding text data；
The action type information is 2, identifies the second format data of corresponding text data；
The action type information is 0, identifies the third format data of corresponding text data；
The action type information is 3, identifies the 4th format data of corresponding TCP data.
According to action type information, storage formatting data can make the data obtained have more methodization, it is easier to obtain
Initial data.
On the basis of the above embodiments, when action type information is 1, according to the operation class in the format data
Type information, storage formatting data can be embodied as:
According to the label information creation text index table and storage region in the first format data, and first is formatted
The first attribute information in data is stored in text index table.
Specifically, text index table is according to the label information creation in the first format data for storing the first lattice
The table of formula data, after external network server receives total data and completes transmission, corresponding text index table can be deleted.Tool
Body, when determining current format data is the first format data, size text, text path and label information are extracted,
According to this label information, that is, MD5 value, text index table is created, size text and text path are stored in concordance list, and is created
Big storage region as size text is built, for storing the content of text data, wherein the specific type of text index table
It can select according to actual needs, such as can choose Hash table.
On the basis of the above embodiments, when action type information is 2, believed according to the action type in format data
Breath, storage formatting data can be embodied as:
Associated first object text index table is searched according to the label information in the second format data, by the second format
The second attribute information for changing data is stored in first object text index table.
It is understood that either the first format data, the second format data or third format data,
Practical is all data text data, i.e. text path is identical, and MD5 value is calculated according to text path, therefore the first lattice
Formula data, the second format data and third format data MD5 value having the same.First found according to MD5 value
Target text concordance list is to be according to the text index table of the first format data creation, extracts the second format data at this time
Text read-write properties, text access time and text modification time, and be stored in text index table.
On the basis of the above embodiments, when action type information is 0, according to the operation class in the format data
Type information, storage formatting data can be embodied as:
Fragment encrypted characters string in third format data is decrypted, the initial data of fragment is obtained；
Associated second target text concordance list is searched according to the label information of third format data, and by the original of fragment
Beginning data are stored in the storage region of the second target text concordance list direction.
Specifically, showing that current format data is third format data, at this time when action type information is 0
Label information, text offset information and the fragment encrypted characters string of third format data are extracted, and according to fragment encrypted characters
The encryption rule of string is decrypted, and obtains the length of the initial data of fragment and the initial data of fragment, the i.e. text of fragment
Content.Associated second target text concordance list, that is, text is searched according to the label information in third format data, that is, MD5 value
Concordance list, and the initial data of fragment is stored in the storage region of text index table direction, the at this time file in storage region
The length that offset increases the initial data of fragment shows text when document misregistration reaches the size text being recorded in concordance list
The notebook data end of transmission, for example, size text is 800 bytes, the length of the initial data of fragment is 200 bytes, storage region
In one fragment of every deposit, then text offset increase by 200, when text offset reach 800 when, show to be transmitted.It is tied in transmission
File is integrally written according to text relative path in the storage region of storage content of text by Shu Hou, and with being recorded in text index
Text read-write properties, text access time and text modification time in table, setting text read-write properties, text access time and
The text modification time finally deletes text concordance list.
On the basis of the above embodiments, when action type information is 3, according to the operation class in the format data
Type information, storage formatting data can be embodied as:
According to Intranet IP address of terminal information, Intranet terminal prot information and the TCP agent end in the 4th format data
The mouth associated stream index table of information searching；
When determining there are when associated target data stream concordance list, by Intranet IP address of terminal information, Intranet terminal prot
Information and TCP agent port information are stored in target data stream concordance list；
When associated target data stream concordance list is not present in determination, according to Intranet IP address of terminal information, interior network termination
Port information and TCP agent port information create target data stream concordance list, and by Intranet IP address of terminal information, interior network termination
Port information and TCP agent port information are stored in target data stream concordance list.
Specifically, stream index table is according to the Intranet IP address of terminal information in the 4th formula data, interior network termination
Port information and TCP agent port information creation, for storing intranet IP address of terminal information, Intranet terminal prot information and
The table of TCP agent port information can be Hash table, be not construed as limiting in embodiment to the concrete form of stream index table.Root
Associated stream index table is searched according to Intranet IP address of terminal information, Intranet terminal prot information and TCP agent port information
Process with according to label information search the process of first object text index table it is similar, details are not described herein again.In practical application,
It, only need to be by corresponding Intranet IP address of terminal information, Intranet terminal prot information and TCP if target data stream concordance list exists
Proxy port information deposit target data stream concordance list need to be created first if target data stream concordance list is not present, specific to create
Process embodiments are not construed as limiting.
Further, in the 4th format data further include: flow data classification and session data offset, when flow data point
When class is 2, expression current format data are session data, that is, it is whole to need for original TCP data to be sent to specified outer net
End indicates no longer to carry out TCP data transmission when flow data is classified as 3.
Specifically, when flow data is classified as 2, if the Intranet IP address of terminal recorded in target data stream concordance list at this time
Information, Intranet terminal prot information and TCP agent port information and the connection of external network server and outer net terminal prot have been deposited
Fragment original contents are then being directly transmitted to specified outer net terminal prot, and update the session in target data stream concordance list
Data-bias, if connection is not present, reference table 1, table 1 is port mapping table, and external network server searches end according to TCP agent port
Mouth mapping table, obtains outer net IP address of terminal and port, and establish connection, wherein port mapping table includes that the connection of port is closed
The information such as system and the corresponding IP address in port, are pre-stored in external network server.When flow data is classified as 3, according to mesh
The link information recorded in mark stream index table disconnects signal to the miniport service transmission of specified outer network termination, and deletes
Except the target data stream concordance list.
1 port mapping table of table
| Serial number | TCP agent port | Outer net IP address of terminal | Outer net terminal prot |
| 1 | 9099 | 10.10.0.100 | 9999 |
| … | … | … | … |
Example IV
Fig. 6 is a kind of structure chart for data transmission device that the embodiment of the present invention four provides, and is configured at intranet server, institute
It states intranet server to connect with interior network termination and serial ports display screen respectively, which can execute above-described embodiment
Data transmission method applied to intranet server.Specifically, the data transmission device includes:
Generation module 410, the data for sending to the interior network termination carry out fragment and obtain at least one data fragmentation,
The fragment image in 2 D code of the data fragmentation is generated, the data are text data or TCP data；
Display module 420, for the fragment image in 2 D code to be sequentially displayed in the serial ports display screen.
A kind of data transmission device that the embodiment of the present invention four provides is carried out by the data sent to the interior network termination
Fragment obtains at least one data fragmentation, generates the fragment image in 2 D code of the data fragmentation；By the fragment two dimensional code figure
Picture is sequentially displayed on the serial ports display screen, and the transmission of data is carried out by way of image in 2 D code, simple and convenient, and
It ensure that the consistency and real-time of information.
On the basis of the above embodiments, when the data are text data, the data transmission device further include:
Information image in 2 D code generation module, for generating information image in 2 D code according to the attribute information of the data,
And show the information image in 2 D code on the serial ports display screen, the attribute information includes: that text path, text are big
Small, text read-write properties, text access time and text modification time.
On the basis of the above embodiments, the information image in 2 D code generation module includes:
Selecting unit, for selecting the text path and the size text as the first attribute information, the text
Read-write properties, the text access time and the text modification time are as the second attribute information；
First format data forms unit, for the first data format based on setting, forms the first attribute letter
First format data of breath；
Second format data forms unit, for the second data format based on setting, forms the second attribute letter
Second format data of breath；
Generation unit generates first format data corresponding first for the two-dimensional encoded rule based on setting
Information image in 2 D code and the corresponding second information image in 2 D code of second format data；
In first format data and the second format data respectively include: action type information and label information.
On the basis of the above embodiments, when the data are text data, generation module 410 includes:
First determination unit, the information carrying capabilities for being transmitted based on two dimensional code determine the fragment size of the data；
First forms unit, for carrying out fragment to the data according to the fragment size, forms at least one data
Fragment；
First encryption unit encrypts each data fragmentation for the encryption rule based on setting, obtains corresponding fragment
Encrypted characters string；
It is corresponding to generate the third format data for the two-dimensional encoded rule based on setting for first generation unit
First fragment image in 2 D code；
In the third format data respectively include: respective fragment encrypted characters string, action type information and label
Information.
On the basis of the above embodiments, when the data are TCP data, generation module 410 includes:
Second determination unit, the information carrying capabilities for being transmitted based on two dimensional code determine the fragment size of the data；
Second forms unit, for carrying out fragment to the data according to the fragment size, forms at least one data
Fragment；
Second encryption unit encrypts each data fragmentation for the encryption rule based on setting, obtains corresponding fragment
Encrypted characters string；
Second generation unit forms the 4th of the fragment encrypted characters string for the 4th data format based on setting
Format data；
In 4th format data respectively include: respective fragment encrypted characters string, action type information, TCP generation
Manage port information, Intranet IP address of terminal information and Intranet terminal prot information.
What the executable the above embodiment of the present invention of the data transmission device that the embodiment of the present invention four provides provided is applied to interior
The data transmission method of network server has the corresponding functional module of execution method and beneficial effect.
Embodiment five
Fig. 7 is a kind of structure chart for data transmission device that the embodiment of the present invention five provides, and is configured at external network server, institute
It states external network server to connect with outer network termination and image collecting device respectively, which can execute above-described embodiment
The data transmission method applied to external network server.Specifically, the data transmission device includes:
Obtain module 510, the image in 2 D code for capturing with setting time interval acquiring described image acquisition device, institute
Image in 2 D code is stated to be shown on the serial ports display screen being connected with intranet server；
Memory module 520 for identification and stores the data in the image in 2 D code, the data be text data or
TCP data；
Sending module 530, for when stored data fit sends condition, the stored data to be sent to
The outer network termination.
A kind of data transmission device that the embodiment of the present invention five provides is applied to external network server, by with setting time
The image in 2 D code of interval acquiring described image acquisition device capture, identifys and stores the data in the image in 2 D code, when
When stored data fit sends condition, the stored data are sent to the outer network termination, realize data by
The transmission of intranet server external network server completes one-way data transfer, and by way of two dimensional code, is the acquisition of image
Provide a kind of convenience.
On the basis of the above embodiments, memory module 520 includes:
Resolution unit, for parsing the format data for obtaining the image in 2 D code；
Storage unit, for storing the format data according to the action type information in the format data.
On the basis of the above embodiments,
The action type information is 1, identifies the first format data of corresponding text data；
The action type information is 2, identifies the second format data of corresponding text data；
The action type information is 0, identifies the third format data of corresponding text data；
The action type information is 3, identifies the 4th format data of corresponding TCP data.
On the basis of the above embodiments, when the action type information is 1, storage unit includes:
Subelement is created, for creating text index table and storage according to the label information in first format data
Region, and the first attribute information in first format data is stored in the text index table.
On the basis of the above embodiments, when the action type information is 2, storage unit includes:
First searches subelement, for searching associated first mesh according to the label information in second format data
Text index table is marked, the second attribute information of second format data is stored in the first object text index table.
On the basis of the above embodiments, when the action type information is 0, storage unit includes:
Subelement is decrypted, for the fragment encrypted characters string in the third format data to be decrypted, obtains and divides
The initial data of piece；
Second searches subelement, for searching associated second target according to the label information of the third format data
Text index table, and the initial data of the fragment is stored in the storage region that the second target text concordance list is directed toward.
On the basis of the above embodiments, when the action type information is 3, storage unit includes:
Third searches subelement, for according to Intranet IP address of terminal information, the Intranet in the 4th format data
Terminal prot information and TCP agent port information search associated stream index table；
Storing sub-units, for when determining there are when associated target data stream concordance list, by the interior network termination IP
Location information, the Intranet terminal prot information and the TCP agent port information are stored in the target data stream concordance list；
Subelement is created, is used for when associated target data stream concordance list is not present in determination, according to the interior network termination
IP address information, the Intranet terminal prot information and the TCP agent port information create target data stream concordance list, and will
The Intranet IP address of terminal information, the Intranet terminal prot information and the TCP agent port information are stored in the mesh
Mark stream index table.
The application that the above embodiment of the present invention provides can be performed in a kind of data transmission device that the embodiment of the present invention five provides
In the data transmission method of external network server, have the corresponding functional module of execution method and beneficial effect.
Embodiment six
Fig. 8 is a kind of structure chart for intranet server that the embodiment of the present invention six provides.With reference to Fig. 8, the intranet server
It include: processor 610, memory 620, input unit 630 and output device 640, wherein the quantity of processor 610 can be one
A or multiple, Fig. 8 is by taking a processor 610 as an example.Processor 610, memory 620, input unit 630 and output device 640
It can be connected by bus or other modes, in Fig. 8 for being connected by bus.
Memory 620 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, such as the corresponding program instruction/module of data transmission method in the embodiment of the present invention.Processor 610 passes through operation
Software program, instruction and module stored in memory, thereby executing the various function application and data processing of terminal,
Realize the above-mentioned data transmission method applied to intranet server.
Memory 620 mainly includes storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 620 may include high-speed random access memory, can also include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, memory 620 can be into one
Step includes the memory remotely located relative to processor, these remote memories can pass through network connection to terminal.It is above-mentioned
The example of network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 630 can be used for receiving the number or character information of input, and generate and user setting and function
Control related key signals input.Output device 640 may include that display screen etc. shows the audios such as equipment, loudspeaker and buzzer
Equipment.
The computer equipment and the number provided by the above embodiment applied to intranet server that the embodiment of the present invention six provides
Belong to same inventive concept according to transmission method, the technical detail of detailed description not can be found in above-described embodiment in the present embodiment,
And the present embodiment has the identical beneficial effect of data transmission method for executing and being applied to intranet server.
Embodiment seven
Fig. 9 is a kind of structure chart for external network server that the embodiment of the present invention seven provides.With reference to Fig. 9, the computer equipment
It include: processor 710, memory 720, input unit 730 and output device 740, wherein the quantity of processor 710 can be one
A or multiple, Fig. 9 is by taking a processor 710 as an example.Processor 710, memory 720, input unit 730 and output device 740
It can be connected by bus or other modes, in Fig. 9 for being connected by bus.
Memory 720 is used as a kind of computer readable storage medium, can be used for storing software program, journey can be performed in computer
Sequence and module, such as the corresponding program instruction/module of data transmission method in the embodiment of the present invention.Processor 710 passes through operation
Software program, instruction and module stored in memory, thereby executing the various function application and data processing of terminal,
Realize the above-mentioned data transmission method applied to external network server.
Memory 720 mainly includes storing program area and storage data area, wherein storing program area can store operation system
Application program needed for system, at least one function；Storage data area, which can be stored, uses created data etc. according to terminal.This
Outside, memory 720 may include high-speed random access memory, can also include nonvolatile memory, for example, at least one
Disk memory, flush memory device or other non-volatile solid state memory parts.In some instances, memory 720 can be into one
Step includes the memory remotely located relative to processor, these remote memories can pass through network connection to terminal.It is above-mentioned
The example of network includes but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Input unit 730 can be used for receiving the number or character information of input, and generate and user setting and function
Control related key signals input.Output device 740 may include that display screen etc. shows the audios such as equipment, loudspeaker and buzzer
Equipment.
The external network server and the number provided by the above embodiment applied to external network server that the embodiment of the present invention seven provides
Belong to same inventive concept according to transmission method, the technical detail of detailed description not can be found in above-described embodiment in the present embodiment,
And the present embodiment has the identical beneficial effect of data transmission method for executing and being applied to external network server.
Embodiment eight
The embodiment of the present invention eight also provides a kind of computer storage medium, is stored thereon with computer program, the program quilt
Realize that the above embodiment of the present invention such as is applied to intranet server data transmission method when processor executes.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The data transmission method applied to intranet server that executable instruction is not limited to the described above operates, and the present invention can also be performed
Applied to the relevant operation in the data transmission method of intranet server provided by above-described embodiment, and has corresponding function
And beneficial effect.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be robot, personal computer, server or the network equipment etc.) executes answers described in the above embodiment of the present invention
Data transmission method for intranet server.
Embodiment nine
The embodiment of the present invention nine also provides a kind of computer storage medium, is stored thereon with computer program, the program quilt
Realize that the above embodiment of the present invention such as is applied to external network server data transmission method when processor executes.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The data transmission method applied to external network server that executable instruction is not limited to the described above operates, and the present invention can also be performed
Applied to the relevant operation in the data transmission method of external network server provided by above-described embodiment, and has corresponding function
And beneficial effect.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be robot, personal computer, server or the network equipment etc.) executes answers described in the above embodiment of the present invention
Data transmission method for external network server.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (18)
1. a kind of data transmission method, is applied to intranet server, the intranet server is aobvious with interior network termination and serial ports respectively
Display screen connection characterized by comprising
Fragment is carried out to the data that the interior network termination is sent and obtains at least one data fragmentation, generates point of the data fragmentation
Piece image in 2 D code, the data are text data or TCP data；
The fragment image in 2 D code is sequentially displayed on the serial ports display screen.
2. data transmission method according to claim 1, which is characterized in that when the data are text data, also wrap
It includes:
Information image in 2 D code is generated according to the attribute information of the data, and the information image in 2 D code is shown described
On serial ports display screen, the attribute information includes: text path, size text, text read-write properties, text access time and text
This modification time.
3. data transmission method according to claim 2, which is characterized in that described raw according to the attribute information of the data
At information image in 2 D code, comprising:
Select the text path and the size text as the first attribute information, the text read-write properties, the text
Access time and the text modification time are as the second attribute information；
The first data format based on setting forms the first format data of first attribute information；
The second data format based on setting forms the second format data of second attribute information；
Two-dimensional encoded rule based on setting, generate the corresponding first information image in 2 D code of first format data and
The corresponding second information image in 2 D code of second format data；
In first format data and the second format data respectively include: action type information and label information.
4. data transmission method according to claim 1, which is characterized in that described when the data are text data
Fragment is carried out to the data and obtains at least one data fragmentation, generates the fragment image in 2 D code of the data fragmentation, comprising:
Based on the information carrying capabilities of two dimensional code transmission, the fragment size of the data is determined；
Fragment is carried out to the data according to the fragment size, forms at least one data fragmentation；
Encryption rule based on setting encrypts each data fragmentation, obtains corresponding fragment encrypted characters string；
Third data format based on setting forms the third format data of the fragment encrypted characters string；
Two-dimensional encoded rule based on setting generates the corresponding first fragment image in 2 D code of the third format data；
In the third format data respectively include: respective fragment encrypted characters string, action type information and label information.
5. data transmission method according to claim 1, which is characterized in that described right when the data are TCP data
The data carry out fragment and obtain at least one data fragmentation, generate the fragment image in 2 D code of the data fragmentation, comprising:
Based on the information carrying capabilities of two dimensional code transmission, the fragment size of the data is determined；
Fragment is carried out to the data according to the fragment size, forms at least one data fragmentation；
Encryption rule based on setting encrypts each data fragmentation, obtains corresponding fragment encrypted characters string；
The 4th data format based on setting forms the 4th format data of the fragment encrypted characters string；
Two-dimensional encoded rule based on setting generates the corresponding second fragment image in 2 D code of the 4th format data；
In 4th format data respectively include: respective fragment encrypted characters string, action type information, TCP agent end
Message breath, Intranet IP address of terminal information and Intranet terminal prot information.
6. a kind of data transmission method, is applied to external network server, the external network server is adopted with outer network termination and image respectively
Acquisition means connection characterized by comprising
With setting time interval acquiring described image acquisition device capture image in 2 D code, the image in 2 D code be shown in
On the connected serial ports display screen of intranet server；
The data in the image in 2 D code are identified and stored, the data are text data or TCP data；
When stored data fit sends condition, the stored data are sent to the outer network termination.
7. data transmission method according to claim 6, which is characterized in that described to identify and store the image in 2 D code
In data, comprising:
Parsing obtains the format data of the image in 2 D code；
According to the action type information in the format data, the format data is stored.
8. data transmission method according to claim 7, which is characterized in that
The action type information is 1, identifies the first format data of corresponding text data；
The action type information is 2, identifies the second format data of corresponding text data；
The action type information is 0, identifies the third format data of corresponding text data；
The action type information is 3, identifies the 4th format data of corresponding TCP data.
9. data transmission method according to claim 8, which is characterized in that described when the action type information is 1
According to the action type information in the format data, the format data is stored, comprising:
According to the label information creation text index table and storage region in first format data, and by first lattice
The first attribute information in formula data is stored in the text index table.
10. data transmission method according to claim 8, which is characterized in that when the action type information is 2, institute
It states according to the action type information in the format data, stores the format data, comprising:
Associated first object text index table is searched according to the label information in second format data, by described second
Second attribute information of format data is stored in the first object text index table.
11. data transmission method according to claim 8, which is characterized in that when the action type information is 0, institute
It states according to the action type information in the format data, stores the format data, comprising:
Fragment encrypted characters string in the third format data is decrypted, the initial data of fragment is obtained；
Associated second target text concordance list is searched according to the label information of the third format data, and by the fragment
Initial data be stored in the storage region that the second target text concordance list is directed toward.
12. data transmission method according to claim 8, which is characterized in that when the action type information is 3, institute
It states according to the action type information in the format data, stores the format data, comprising:
According to Intranet IP address of terminal information, Intranet terminal prot information and the TCP agent end in the 4th format data
The mouth associated stream index table of information searching；
When determining there are when associated target data stream concordance list, by the Intranet IP address of terminal information, the interior network termination
Port information and the TCP agent port information are stored in the target data stream concordance list；
When associated target data stream concordance list is not present in determination, according to the Intranet IP address of terminal information, the Intranet
Terminal prot information and the TCP agent port information create target data stream concordance list, and by the Intranet IP address of terminal
Information, the Intranet terminal prot information and the TCP agent port information are stored in the target data stream concordance list.
13. a kind of data transmission device, is configured at intranet server, the intranet server is aobvious with interior network termination and serial ports respectively
Display screen connection characterized by comprising
Generation module, the data for sending to the interior network termination carry out fragment and obtain at least one data fragmentation, generate institute
The fragment image in 2 D code of data fragmentation is stated, the data are text data or TCP data；
Display module, for the fragment image in 2 D code to be sequentially displayed in the serial ports display screen.
14. a kind of data transmission device, is configured at external network server, the external network server is adopted with outer network termination and image respectively
Acquisition means connection characterized by comprising
Obtain module, the image in 2 D code for capturing with setting time interval acquiring described image acquisition device, the two dimension
Code image is shown on the serial ports display screen being connected with intranet server；
Memory module for identification and stores the data in the image in 2 D code, and the data are text data or TCP number
According to；
Sending module, for the stored data being sent to described outer when stored data fit sends condition
Network termination.
15. a kind of intranet server characterized by comprising
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as data transmission method as claimed in any one of claims 1 to 5.
16. a kind of external network server characterized by comprising
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now data transmission method as described in any in claim 6-12.
17. a kind of computer storage medium, is stored thereon with computer program, which is characterized in that the program is executed by processor
Shi Shixian data transmission method for example as claimed in any one of claims 1 to 5.
18. a kind of computer storage medium, is stored thereon with computer program, which is characterized in that the program is executed by processor
Data transmission method of the Shi Shixian as described in any in claim 6-12.
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| CN109934039A (en) * | 2019-03-19 | 2019-06-25 | 杨俊佳 | Opposite scanning means, the means of communication and computer readable storage medium |
| CN111049823A (en) * | 2019-12-10 | 2020-04-21 | 浩云科技股份有限公司 | Physical isolation transmission equipment and method based on two-dimension code |
| CN111177763A (en) * | 2020-01-03 | 2020-05-19 | 玉溪市电子政务内网信息技术中心 | Two-dimensional code electronic encryption and decryption management system and method for file multiple encryption |
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| CN113673651A (en) * | 2021-09-23 | 2021-11-19 | 上海凌瓴信息科技有限公司 | Structured product information management system and method based on two-dimensional code technology |
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