CN106126196B - A kind of interface assignment method of the structuring multivariable information frame based on XML - Google Patents
A kind of interface assignment method of the structuring multivariable information frame based on XML Download PDFInfo
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- CN106126196B CN106126196B CN201511034371.2A CN201511034371A CN106126196B CN 106126196 B CN106126196 B CN 106126196B CN 201511034371 A CN201511034371 A CN 201511034371A CN 106126196 B CN106126196 B CN 106126196B
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Abstract
The interface assignment method of the present invention relates to a kind of structuring multivariable information frame based on XML, the described method comprises the following steps: Step 1: carrying out framing to structured message data forms information frame；Step 2: forming the XML file of characterization information frame structure；Step 3: realizing interface assignment by the method for reading XML file.It does not need to be regrouped when information frame changes using method of the invention, and the data processing in later period is not needed to devote a tremendous amount of time to greatly improve work efficiency to modify, reduce working strength yet.
Description
Technical field
The interface assignment method of the present invention relates to a kind of structuring multivariable information frame based on XML.Belong to soft project
Technical field.
Background technique
In software engineering technology, information frame is a kind of common data transmission format, and the information frame of multivariable is compiled
Method processed is generally defined using structural body, and the assignment of interface control also needs corresponding field defined in acquisition structural body.?
Software upgrading, especially information frame variables number or total need to regroup structural body when changing, and related
Data processing method, assignment related content of interface control etc. also need to modify, and the workloads such as write, test and debug
It is very big.
Certain type shipborne system control and monitor console, monitored object are measuring and controlling equipment, and facility information amount is big, data type is complicated, software
Design uses structural body form.After some measuring and controlling equipment function increase, simple change occurs for the information content, in software again
Structural body is defined, the functions such as related resolution, interface assignment are also modified, and take about one month ability completion system
Joint-trial.
The present invention devises a kind of interface assignment method based on structuring multivariable information frame using XML technology, for solution
Certainly this problem provides a kind of practical, easy method.
Summary of the invention
It is changeable the technical problem to be solved by the present invention is to provide a kind of structuring based on XML for the above-mentioned prior art
The interface assignment method for measuring information frame, does not need to be regrouped when information frame changes, and for the number in later period
It does not need to devote a tremendous amount of time according to processing to greatly improve work efficiency to modify, reduce working strength yet.
The present invention solves the above problems used technical solution are as follows: a kind of structuring multivariable information frame based on XML
Interface assignment method, the described method comprises the following steps:
Step 1: carrying out framing to structured message data forms information frame
Information frame is made of control domain and data field, field when control domain includes frame head, data variable number and variable product, number
It is arranged by multiple variables according to agreement sequence according to domain, according to data type, 1bit or a few bit will can be expressed as in data
Data be combined, the child node as XML file some node is indicated；There to be clear byte to define in data, and
The more data of byte are occupied, are indicated as some node；By some user-defined dada types with obvious characteristic, make
It is indicated for some node；
Step 2: forming the XML file of characterization information frame structure
(1) with the node of child node
Father node with child node has 4 attribute, respectively description, identification code, data type and data value, description
For increasing readability, identification code is for showing that data and node relationships, data type are defined according to digit needed for child node
The type of the node, data value are the value after child node data conversion；
Its child node defines 8 attribute, and respectively description, container name, Container Type, control name, control type, data rise
Beginning position, data length, data value, the data type of each child node is bit, is determined according to data start bit and data length
The position that its fixed positional relationship after father node data switch to binary data types, i.e. data length determine the child node
Number；
(2) without the node definition of child node
10 attribute of node definition, respectively description, container name, Container Type, control name, control type, identification code,
Data type, data value, maximum value, minimum value, description is for increasing readability, and identification code is for showing that data and node are closed
System, data type are defined according to required type (also can customize type), maximum value, minimum value (can be sky) characterization number
The upper and lower bound of type data value；
Step 3: realizing interface assignment by the method for reading XML file
By the XML file of traversal step three, the control name attribute of each node or child node is read, according to data type
Attribute is completed type to data value attribute and is converted, data value needed for obtaining interface display control, then the interface as defined in XML
It is searched in container according to control type, if control name is identical with control type, carries out assignment according to control type, then
Preparation is searched next time, until running through the last one node of XML file.
Preferably, the information frame control domain in the step 1 includes code field, and the data field in step 2 is according to big
It is small, one or more data fields can be divided into, distinguished by the code field of control domain.
Compared with the prior art, the advantages of the present invention are as follows:
(1) data frame design of the present invention suitable for the transmission of network software data, is convenient for data interaction and later maintenance.
(2) present invention data frame design suitable for the transmission of industrial-controlled general line data simultaneously, it is simple with design, it is real
Now convenient advantage.
(3) present invention can be designed suitable for the data frame of self-defining data structure simultaneously, be had the advantages that flexible, concise.
(4) present invention takes into account the design problem for considering data frame check.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the interface assignment method of the structuring multivariable information frame based on XML of the present invention.
Fig. 2 is that XML file is write in a kind of interface assignment method of the structuring multivariable information frame based on XML of the present invention
Format chart.
Fig. 3 is information frame structure in a kind of interface assignment method of the structuring multivariable information frame based on XML of the present invention
Figure.
Fig. 4 is XML file structure in a kind of interface assignment method of the structuring multivariable information frame based on XML of the present invention
Change definition figure.
Fig. 5 is XML text defined in a kind of interface assignment method of the structuring multivariable information frame based on XML of the present invention
Part.
Fig. 6 is a kind of interface assignment method median surface control wheel of the structuring multivariable information frame based on XML of the present invention
Ask the flow chart of assignment.
Fig. 7 is to read XML file in a kind of interface assignment method of the structuring multivariable information frame based on XML of the present invention
Interface assignment graph.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
The interface assignment method of the present invention relates to a kind of structuring multivariable information frame based on XML, as shown in Figure 1, tool
Body process are as follows:
The first step carries out framing formation information frame to structured message data
Information frame is made of control domain and data field, and control domain includes frame head (1byte), data variable number (4byte), becomes
(00 divides 00 second number of seconds, 4byte when the opposite same day 00) when amount product, (corresponding more data fields, mark each data field to coding
Know, be equivalent to the name of each structural body in high-level language, 2byte).
Data field is arranged (nbyte) according to agreement sequence by multiple variables, as shown in Figure 2.It, will according to data type
The data that 1bit or a few bit can be expressed as in data are combined, the child node progress table as some node of XML file
Show；There is clear byte to define int in data (uint), double, float, char etc., and occupy the more data of byte,
It is indicated as some node；By some user-defined dada types with obvious characteristic, the Chinese of 60 bytes is such as defined
Description, is indicated as some node.According to data field size, data field can be divided into one or more data fields (also
Correspond to one or more XML files), it is distinguished by " coding " field of control domain, that is, " coding " and XML file
It is associated with.
Second step, the XML file for forming characterization information frame structure
The present invention is retouched dependent on the systematicness of XML (eXtensible Markup Language, expansible markup language)
Predicate speech, examples of language such as Fig. 2.Wherein, A is XML prelude, and version indicates version number, encoding presentation code type；B
It include element and attribute for XML tag, attrs is root element, and devType, edition are attribute；C is XML annotation, is used for
Explain the attribute of definition；D is daughter element (becoming node here), also includes element and attribute；E is the daughter element in daughter element
(becoming child node here) also includes element and attribute.Either root element or daughter element, closed loop necessary for XML definition,
Such as definition<attrs>root element, it is necessary to define</attrs>terminate.
The inside definition of single structure body includes two parts: field and type (or nested structure body), structural body (superstructure
Body) can nested multiple single structure bodies, the overall structure of XML file holds in superstructure body and corresponds to according to structural body formal definition
The node of XML file, nested structure body is interior to hold corresponding child node.To realize interface assignment, node and child node attribute must be wrapped
Containing type and value.
Interface control corresponding for structured message generally comprises text box, choice box, instruction class control and horn of plenty
Various container class control used in interface must include container control type and title, various displays control in XML file attribute
The type and title of system.
XML file structure
XML file structure is as shown in Figure 4.
(1) father node with child node defines
Father node with child node has 4 attribute, respectively description, identification code, data type and data value, description
For increasing readability, identification code is for showing that data and node relationships, data type are defined according to digit needed for child node
The type of the node, data value are the value after child node data conversion；
Its child node defines 8 attribute, and respectively description, container name, Container Type, control name, control type, data rise
Beginning position, data length, data value, the data type of each child node is bit, is determined according to data start bit and data length
The position that its fixed positional relationship after father node data switch to binary data types, i.e. data length determine the child node
Number.
(2) without the node definition of child node
10 attribute of node definition, respectively description, container name, Container Type, control name, control type, identification code,
Data type, data value, maximum value, minimum value, description is for increasing readability, and identification code is for showing that data and node are closed
System, data type are defined according to required type (also can customize type), maximum value, minimum value (can be sky) characterization number
The upper and lower bound of type data value.
Third step realizes interface assignment by the method for reading XML file
Interface assignment is a kind of low-frequency method for refreshing, by traversing XML file, reads each node or child node
Control name attribute completes type conversion, number needed for obtaining interface display control to data value attribute according to data type attribute
According to value, such as the selectitemindex value of the character of text box, combobox；It (can also in the interface chamber as defined in XML
Nothing), it is searched according to control type, if control name is identical with control type, carries out assignment according to control type, then quasi-
It is standby to search next time, until running through the last one node of XML file.
Example:
Example is designed as with a certain C# programmed environment lower network information frame structure below, shows the present invention answering in practice
Use process.According to the principle of inventive step one, successively realize: second step, the XML file for writing characterization information frame structure,；Third
Step realizes interface assignment using control polling method.
Second step, the XML file for writing characterize data frame structure.
According to data frame compilation principles, XML file is write, as shown in Figure 5.First frame head node, is defined as follows attribute:
Id, desc, dataType, Value, Value are about set to 40；Second variable number node, defined attribute head node at same frame, Value
Corresponding data variable number；Third product when node, defined attribute head node at same frame, Value corresponding data sending instant relative to
Product seconds value when the same day 0；4th coding nodes, defined attribute head node at same frame, Value correspond to encoded radio；It is number after 5th
According to node, being divided into has child node and without sub-node type, s.m.p node definition attribute are as follows: desc, ConName, ConType, Id,
IdType, code, dataType, Value, Max, Min, have child node defined attribute be respectively as follows: desc, code, dataType,
Datavalue (top mode) and desc, ConName, ConType, Id, IdType, Startpos, length, Value are (interior
Portion's node).
Third step realizes interface assignment using control polling method.
The class libraries supported XML technology is provided in C#, can facilitate the read-write realized to XML file, by reading XML
File corresponding node attribute value can realize that the automatic assignment of interface control, software flow are as shown in Figure 6.Program passes through
XmlDocument, XmlElement attribute of System.Xml class libraries, timing read specified XML file from the 4th back end
Data afterwards: extracting the information such as id attribute value, the Value attribute value of corresponding node, after data check is qualified, traverses interface chamber
Lookup names are the control of id attribute value, and assignment is corresponded to if finding；Circulation reads next node data, and carries out processing tax
Value, until the reading of all back end finishes, program runnable interface is as shown in Figure 7.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (1)
1. a kind of interface assignment method of the structuring multivariable information frame based on XML, it is characterised in that: the method includes with
Lower step:
Step 1: carrying out framing to structured message data forms information frame
Information frame is made of control domain and data field, field when control domain includes frame head, data variable number and variable product, data field
It is arranged by multiple variables according to agreement sequence, according to data type, the number of 1bit or a few bit will can be expressed as in data
According to being combined, the child node as XML file some node is indicated；There to be clear byte to define in data, and occupies
The more data of byte, are indicated as some node；By some user-defined dada types with obvious characteristic, as certain
A node is indicated；
Step 2: forming the XML file of characterization information frame structure
(1) with the node of child node
4 attribute of node definition with child node, respectively description, identification code, data type, data value are described for increasing
Add readability, for identification code for showing that data and node relationships, data type are defined as Long, data value is son node number according to whole
Value after conjunction；
Its child node defines 8 attribute, respectively description, the starting of container name, Container Type, control name, control type, data
Position, data length, data value, the data type of each child node are bit, are determined according to data start bit and data length
The digit that its positional relationship after father node data switch to binary data types, i.e. data length determine the child node；
(2) without the node definition of child node
10 attribute of node definition without child node, respectively description, container name, Container Type, control name, control type,
Identification code, data type, data value, maximum value, minimum value, description for increasing readability, identification code for show data with
Node relationships, data type are defined according to required type, maximum value, minimum value characterization digital data value the upper limit and under
Limit；
Step 3: realizing interface assignment by the method for reading XML file
By the XML file of traversal step three, the control name attribute of each node or child node is read, according to data type attribute
It completes type to data value attribute to convert, data value needed for obtaining interface display control, then the interface chamber as defined in XML
In searched according to control type, if control name is identical with control type, carries out assignment according to control type, then prepare
It searches next time, until running through the last one node of XML file.
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| CN111291242A (en) * | 2018-12-07 | 2020-06-16 | 贵州航天风华精密设备有限公司 | Universal display interpretation method and device for 16-system data file |
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| US20100077320A1 (en) * | 2008-09-19 | 2010-03-25 | United States Government As Represented By The Secretary Of The Navy | SGML/XML to HTML conversion system and method for frame-based viewer |
| WO2010133024A1 (en) * | 2009-05-19 | 2010-11-25 | 中山大学 | Method for optimizing development of interactive channel of digital tv in a digital family |
| CN101938477A (en) * | 2010-08-31 | 2011-01-05 | 中山大学 | Method for implementing XML data information exchange |
| CN103428835A (en) * | 2013-08-30 | 2013-12-04 | 西安电子科技大学 | Method for dynamically opening and closing site relay function in wireless local area network |
| CN104239254A (en) * | 2014-09-04 | 2014-12-24 | 西南技术物理研究所 | Serial asynchronous communication data transmission method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100077320A1 (en) * | 2008-09-19 | 2010-03-25 | United States Government As Represented By The Secretary Of The Navy | SGML/XML to HTML conversion system and method for frame-based viewer |
| WO2010133024A1 (en) * | 2009-05-19 | 2010-11-25 | 中山大学 | Method for optimizing development of interactive channel of digital tv in a digital family |
| CN101938477A (en) * | 2010-08-31 | 2011-01-05 | 中山大学 | Method for implementing XML data information exchange |
| CN103428835A (en) * | 2013-08-30 | 2013-12-04 | 西安电子科技大学 | Method for dynamically opening and closing site relay function in wireless local area network |
| CN104239254A (en) * | 2014-09-04 | 2014-12-24 | 西南技术物理研究所 | Serial asynchronous communication data transmission method |
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