WO2020220840A1 - 一种同屏网络连接方法、装置、智能设备及存储介质 - Google Patents

一种同屏网络连接方法、装置、智能设备及存储介质 Download PDF

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Publication number
WO2020220840A1
WO2020220840A1 PCT/CN2020/078998 CN2020078998W WO2020220840A1 WO 2020220840 A1 WO2020220840 A1 WO 2020220840A1 CN 2020078998 W CN2020078998 W CN 2020078998W WO 2020220840 A1 WO2020220840 A1 WO 2020220840A1
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WIPO (PCT)
Prior art keywords
screen
same
terminal
address
screen device
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PCT/CN2020/078998
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English (en)
French (fr)
Inventor
卢启伟
刘胜强
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深圳市鹰硕技术有限公司
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Publication of WO2020220840A1 publication Critical patent/WO2020220840A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00—Indexing scheme associated with group H04L61/00
    • H04L2101/60—Types of network addresses
    • H04L2101/668—Internet protocol [IP] address subnets

Definitions

  • the present invention relates to the field of multimedia technology, and in particular to a method, device, smart device and storage medium for a same-screen network connection.
  • Patent C107949068A discloses a way for a student terminal to establish a communication connection with a large-screen device by scanning the IP address of the large-screen device, which greatly simplifies the connection process between the local and wireless terminals.
  • the number of student terminals is so large that it takes time and effort for each student to lift the tablet to scan the QR code, and the student experience is not good.
  • the purpose of the present invention is to provide a method, device, smart device and storage medium for connecting to the same screen network to solve the above-mentioned problems in the background art.
  • a method for connecting to a same-screen network including:
  • the first terminal scans the QR code of the device on the same screen
  • connection If the connection is successful, send the IP address of the same-screen device to multiple second terminals that accept the same screen, so that each second terminal establishes a split-screen connection with the same-screen device according to the IP address of the same-screen device .
  • the method further includes:
  • the first terminal obtains the collective identification of multiple second terminals that accept the same screen.
  • sending the IP address of the co-screen device to multiple second terminals that accept co-screen includes:
  • the first terminal sends the collective identification of the multiple second terminals that accept the same screen and the IP address of the same screen device to the background server;
  • the background server obtains the IP addresses of all second terminals corresponding to the set identifier, and sends the IP addresses of the on-screen devices to all second terminals that accept the same screen.
  • sending the IP address of the co-screen device to multiple second terminals that accept co-screen includes:
  • the first terminal obtains the IP addresses of all second terminals that accept the same screen, and sends the IP addresses of the devices on the same screen to all the second terminals that accept the same screen.
  • the method further includes:
  • the first terminal saves the IP address of the same-screen device in the screen projection history information.
  • the method before the first terminal scans the QR code of the on-screen device, the method further includes:
  • the first terminal receives the screen projection request input by the user
  • the first terminal receiving the screen projection request input by the user includes:
  • the first terminal receives the screen projection request initiated by the user by clicking or touching the floating button.
  • the storing, by the first terminal, of the IP address of the on-screen device in the screen projection history information includes:
  • the first terminal judges whether the number of devices on the same screen in the historical information of screen projection exceeds a threshold
  • the same-screen device successfully connected this time will be ranked first in the historical information of the screen.
  • a same-screen network connection device including:
  • QR code scanning module scan the QR code of the same screen device
  • the screen projection connection establishment module establishes a screen projection connection with the same screen device according to the IP address of the same screen device contained in the QR code;
  • the split-screen connection establishment module is used to send the IP address of the same-screen device to multiple second terminals that accept the same screen after the first terminal and the same-screen device are successfully connected to the screen, so that each second terminal is The IP address of the same-screen device establishes a split-screen connection with the same-screen device.
  • the on-screen network connection device is used to perform operations of the on-screen network connection method described in any one of the above.
  • an on-screen network connection device including a memory and a processor, wherein:
  • Memory used to store instructions
  • the processor is configured to execute the instructions so that the on-screen network connection device executes operations for implementing the on-screen network connection method described in any one of the above.
  • a smart device including the same-screen network connection device described in any one of the above.
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the on-screen network connection method described in any one of the above are implemented.
  • a QR code is generated by generating the IP address of the same-screen device.
  • the first terminal scans the QR code and establishes a screen projection connection with the same-screen device, the first terminal sends the IP address of the same-screen device to each second receiving the same screen.
  • the technical problem of poor experience enables the first terminal, the same-screen device and multiple second terminals to easily and quickly establish a one-to-many same-screen network environment, which greatly improves the user experience.
  • FIG. 1 is a flowchart of a method for connecting to a same-screen network in an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for connecting a split screen network in an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for connecting a screen projection network in an embodiment of the present invention
  • FIG. 4 is a structural diagram of a same-screen network connection device in an embodiment of the present invention.
  • Fig. 5 is a structural diagram of a same-screen network connection device in another embodiment of the present invention.
  • the on-screen network connection method refers to a one-to-many on-screen network connection method, that is, a network connection method when one terminal simultaneously screens its own screen content to multiple terminals.
  • the same-screen network connection method includes a process in which a first terminal establishes a projection connection with a same-screen device and a process in which multiple second terminals establish a split-screen connection with the same-screen device.
  • the first terminal is a screen-projecting terminal, such as a teacher terminal or a conference speaker terminal;
  • the second terminal is a screen-projected terminal that accepts the same screen, such as a student terminal or a conference participant terminal.
  • the method in the embodiment of the present invention can be executed by the on-screen network connection device included in the screen projection terminal. The method includes the following steps:
  • Step S101 the first terminal scans the two-dimensional code of the same-screen device.
  • the same-screen device After the same-screen device is turned on, it automatically starts the projection service and the split-screen service, obtains its own IP address to generate a QR code for display, and waits for the first terminal and the second terminal to connect with it.
  • the same screen is not restricted by the local area network, that is, the first terminal, the second terminal and the same screen device are not limited to be in the same local area network, as long as the first terminal and the same screen device, the same screen device and the second Communication between terminals can realize one-to-many on-screen. Therefore, the QR code generated by the same-screen device in the present invention may not contain the identification information of the routing device of the same-screen device in the local area network, but only the IP address of the same-screen device. This is also a difference between the present invention and CN107949068A .
  • Step S102 Establish a screen projection connection with the same-screen device according to the IP address of the same-screen device contained in the two-dimensional code.
  • the first terminal parses the two-dimensional code to obtain the IP address of the same-screen device, and initiates a screen projection connection request with the same-screen device according to the IP address of the same-screen device. After the same screen device is turned on, it automatically monitors the fixed screen projection service port and the split screen service port. When it detects that the screen projection service port has a screen projection connection request, it registers the device information of the first terminal and returns a successful connection message To the first terminal.
  • Step S103 If the connection is successful, the IP address of the on-screen device is sent to multiple second terminals that accept the same screen, so that each second terminal establishes with the on-screen device according to the IP address of the on-screen device Split screen connection.
  • the same screen is not restricted by the local area network. After the screen projection connection request is initiated, if the connection success message returned by the same screen device is not received within a predetermined time, it is determined that the screen projection connection is unsuccessful.
  • step S103 can be implemented by the following method:
  • the first terminal obtains the IP addresses of all second terminals that accept the same screen, and sends the IP addresses of the devices on the same screen to all the second terminals that accept the same screen.
  • IP addresses of all second terminals that accept the same screen may be pre-stored in the first terminal through interface setting or one-time import.
  • step S103 can be implemented by the split-screen network connection method shown in FIG. 2, and includes the following steps:
  • Step S201 The first terminal obtains the collective identification of multiple second terminals that accept the same screen.
  • the user selects the collective identification of the multiple second terminals that accept the same screen this time through the first terminal.
  • the first terminal is a teacher terminal
  • the collective identification of multiple second terminals that accept the same screen may be a class ID.
  • the teacher terminal Before initiating a screencast, the teacher terminal first selects the class to obtain the class ID of all student terminals that accept the same screen this time.
  • Step S202 If the screen projection connection is successful, the first terminal sends the collective identification of the multiple second terminals that accept the same screen and the IP address of the same screen device to the background server.
  • the background server and the second terminal can communicate with each other.
  • Step S203 The background server obtains the IP addresses of all second terminals corresponding to the set identifier, and sends the IP addresses of the same-screen devices to all second terminals that accept the same-screen.
  • Step S204 Each second terminal establishes a split-screen connection with the same-screen device according to the IP address of the same-screen device.
  • the first terminal when the screen projection connection is successfully established, saves the IP address of the same-screen device in the screen projection history information.
  • the first terminal determines whether the number of devices on the same screen in the screen-casting history information exceeds a threshold
  • the same-screen device successfully connected this time will be ranked first in the historical information of the screen.
  • the QR code information also contains the name of the same-screen device.
  • the first terminal is also used to save the name of the same-screen device to the screen-casting history information. in.
  • Fig. 3 is a flowchart of a method for connecting a screen projection network in an embodiment of the present invention, which includes the following steps:
  • Step S301 The first terminal receives a screen projection request input by the user.
  • the first terminal receives a screen projection request initiated by the user by clicking or touching the floating button.
  • Step S302 Obtain screen-casting history information according to the screen-casting request, and generate a list of on-screen devices for the user to select.
  • the screen-casting history information includes the IP addresses and names of all or part of the same-screen devices that have established a screen-casting connection.
  • a co-screen device list window pops up for the user to select the co-screen device to be screened this time.
  • the same-screen devices in the same-screen device list are displayed using the same-screen device names.
  • Step S303 Obtain the IP address of the on-screen device selected by the user in the on-screen device list.
  • Step S304 Establish a screen projection connection with the same-screen device according to the IP address.
  • the first terminal saves the information of the same-screen devices that have successfully established a screen-casting connection, so that the next-time screen-casting can filter out the same-screen devices that can be used for projection based on the historical information of the screen. Users frequently raise the burden of scanning the QR code on the terminal, and it is convenient for users to cast screens anytime and anywhere.
  • the method of selecting the same-screen device to establish a projection connection through the same-screen device list in Figure 3 and the method of establishing a projection connection by scanning the two-dimensional code to obtain the IP address of the same-screen device in Figure 1 can coexist.
  • the first terminal has not established a projection connection with any co-screen device, it must scan the QR code to obtain the IP address of the co-screen device.
  • the co-screen device that is going to establish a projection connection does not exist on the same screen
  • the teacher uses the account to log in to the teacher terminal, he enters the classroom teaching page to select the course for this class. After choosing the course for this class, choose the class. Specifically, you can set a class selection box on the classroom teaching page for users to choose.
  • the back-end server After the back-end server receives the class instruction, it generates a new class instruction including the IP address of the same-screen device and the course ID according to the class ID and sends it to each student who subscribes to the class ID terminal. Each student terminal establishes a split-screen connection with the same-screen device based on the IP address of the same-screen device.
  • the screen of the teacher terminal can be projected to the same screen device.
  • a floating button is displayed on an interface that supports screen projection.
  • the floating button can be dragged arbitrarily.
  • the first terminal obtains the screen projection request initiated by the user by clicking or touching the floating button, and obtains the historical information of the screen according to the screen projection request.
  • the historical information on the screen includes the IP addresses and names of all on-screen devices that have established a screen-casting connection; obtain the IP address of the same-screen device selected by the user, and The same screen device establishes a screen projection connection.
  • the teacher terminal After the teacher terminal establishes a screen projection connection with the same screen device, it also saves the IP address and name of the same screen device, so that the teacher terminal can also obtain the IP address of the same screen device according to the history information of the screen, and establish a screen projection with the same screen device
  • the connection reduces the burden caused by the teacher frequently lifting the flatbed to scan and the inconvenience caused by having to stand in a fixed range to scan.
  • the screen-casting history information further includes time information for establishing a screen-casting connection with each on-screen device, so that the device that has newly established a screen-casting connection is set as the focus option in the list of on-screen devices.
  • a QR code is generated by generating the IP address of the same-screen device.
  • the first terminal scans the QR code to establish a screen projection connection with the same-screen device, it sends the IP address of the same-screen device to each second receiving the same screen.
  • Terminal so that each second terminal establishes a split-screen connection with the same-screen device according to the IP address of the same-screen device; overcomes the complicated access process, poor operability, and experience of each terminal device in the one-to-many same-screen environment in the prior art
  • the technical problem of poor perception enables the first terminal, the same-screen device and multiple second terminals to easily and quickly establish a one-to-many same-screen network environment, which greatly improves the user experience.
  • Fig. 4 is a structural diagram of an on-screen network connection device in an embodiment of the present invention.
  • the same-screen network connection device is applied to the first terminal, and includes a two-dimensional code scanning module 41, a projection screen connection establishment module 42, and a split screen connection establishment module 43, wherein:
  • the QR code scanning module 41 scans the QR code of the same-screen device
  • the screen projection connection establishment module 42 establishes a screen projection connection with the same screen device according to the IP address of the same screen device contained in the two-dimensional code;
  • the split-screen connection establishment module 43 is configured to send the IP address of the same-screen device to a plurality of second terminals that accept the same screen after the first terminal and the same-screen device are successfully connected, so that each second terminal Establish a split-screen connection with the same-screen device according to the IP address of the same-screen device.
  • the same-screen device After the same-screen device is turned on, it automatically starts the projection service and the split-screen service, obtains its own IP address to generate a QR code for display, and waits for the first terminal and the second terminal to connect with it.
  • the IP address of the same-screen device initiates a screen-cast connection request with the same-screen device. After the same screen device is turned on, it automatically monitors the fixed screen projection service port and the split screen service port. When it detects that the screen projection service port has a screen projection connection request, it registers the device information of the first terminal and returns a successful connection message To the first terminal.
  • the same screen is not restricted by the local area network, that is, the first terminal, the second terminal and the same screen device are not limited to be in the same local area network, as long as the first terminal and the same screen device, the same screen device and the second Communication between terminals can realize one-to-many on-screen. Therefore, the QR code generated by the same-screen device in the present invention may not contain the identification information of the routing device of the same-screen device in the local area network, but only the IP address of the same-screen device. This is also a difference between the present invention and CN107949068A .
  • the same screen is not restricted by the local area network. After the screen projection connection request is initiated, if the connection success message returned by the same screen device is not received within a predetermined time, it is determined that the screen projection connection is unsuccessful.
  • the split-screen connection establishment module 43 after successfully connecting with the same-screen device for screen projection, obtains the IP addresses of all second terminals that accept the same screen, and sends the IP addresses of the same-screen devices to Accept all second terminals on the same screen.
  • the IP addresses of all second terminals that accept the same screen may be pre-stored in the first terminal through interface setting or one-time import.
  • the split-screen connection establishment module 43 obtains the collective identification of multiple second terminals that accept the same screen after successfully connecting to the same-screen device for screen projection, and will accept multiple second terminals on the same screen.
  • the collective identification of the terminal and the IP address of the same-screen device are sent to the background server, and the IP address of the same-screen device is sent to all second terminals that accept the same screen through the background server, so that each second terminal is based on the IP address of the same-screen device Establish a split-screen connection with devices on the same screen.
  • the co-screen network connection device when the screen projection connection is successfully established, saves the IP address of the co-screen device in the screen projection history information.
  • the same-screen network connection device judges whether the number of on-screen devices in the historical information of the screen casting exceeds the threshold
  • the same-screen device successfully connected this time will be ranked first in the historical information of the screen.
  • the two-dimensional code information also contains the name of the same-screen device.
  • the same-screen network connection device is also used to save the name of the same-screen device to the projection screen. Historical information.
  • the same-screen network connection device saves the information of the same-screen devices that have successfully established a screen-casting connection, so that the next-time screen-casting can filter out the same-screen devices available for projection based on the screen-casting history information. , Which eliminates the burden of users frequently lifting the terminal to scan the QR code, and facilitates users to cast screens anytime and anywhere.
  • the same-screen network connection device is also used to receive the screen-casting request input by the user, obtain historical information of the screen-casting according to the screen-casting request, generate a list of on-screen devices for the user to select, and obtain that the user is on the same screen
  • the IP address of the on-screen device selected in the device list establishes a screen projection connection with the on-screen device according to the IP address.
  • the on-screen network connection device is used to perform operations for implementing the on-screen network connection method described in any of the above embodiments (any embodiment in FIGS. 1 to 3).
  • Fig. 5 is a structural diagram of an on-screen network connection device in another embodiment of the present invention.
  • the on-screen network connection device can be applied to a first terminal and includes a memory 51 and a processor 52, wherein:
  • the memory 51 is used to store a computer program that can run on the processor 52.
  • the processor 52 is configured to execute a computer program, so that the screen projection device executes operations for implementing the same-screen network connection method as described in any of the foregoing embodiments (the embodiment of FIG. 1 or FIG. 2 or FIG. 3).
  • a smart device which includes the same-screen network connection device as described in any of the foregoing embodiments (the embodiment of FIG. 4 or FIG. 5).
  • a QR code is generated by generating the IP address of the same-screen device.
  • the first terminal scans the QR code to establish a screen projection connection with the same-screen device, it sends the IP address of the same-screen device to each second receiving the same screen.
  • Terminal so that each second terminal establishes a split-screen connection with the same-screen device according to the IP address of the same-screen device; overcomes the complicated access process, poor operability, and experience of each terminal device in the one-to-many same-screen environment in the prior art
  • the technical problem of poor perception enables the first terminal, the same-screen device and multiple second terminals to easily and quickly establish a one-to-many same-screen network environment, which greatly improves the user experience.
  • a computer-readable storage medium a computer-readable storage medium, the computer-readable storage medium stores a computer program, and when the computer program is executed by a memory, any of the above
  • the same-screen network connection method described in an embodiment can be applied to smart devices; the technical solutions of the foregoing embodiments are essentially or the part that contributes to the prior art or the All or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes several instructions to enable a computer device (which can be a personal computer, server, mobile device, or network device, etc.) ) Or a processor (processor) executes all or part of the steps of the method in this embodiment.
  • the aforementioned storage medium includes: U disk, mobile hard disk, Read Only Memory (ROM, Random Access Memory), random access memory (RAM, Random Access Memory), magnetic disks or optical disks and other media that can store program codes.
  • a QR code is generated by generating the IP address of the same-screen device.
  • the IP address of the same-screen device is sent through the background server to accept the same screen.
  • Multiple second terminals so that each second terminal establishes a split-screen connection with the same-screen device according to the IP address of the same-screen device; this overcomes the complicated and complicated access process of each terminal device in the one-to-many same-screen environment in the prior art.
  • the technical problems of poor operability and poor experience have created a one-to-many network environment on the same screen quickly and easily, greatly improving user experience.
  • the same-screen device described above can be implemented as a general-purpose processor, programmable logic controller (PLC), digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable Gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or any suitable combination thereof.
  • PLC programmable logic controller
  • DSP digital signal processor
  • ASIC application-specific integrated circuit
  • FPGA field programmable Gate array
  • the program can be stored in a computer readable storage medium. During execution, it may include the procedures of the above-mentioned method embodiments.
  • the storage medium may be a magnetic disk, an optical disc, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM), etc.

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Abstract

本发明公开了一种同屏网络连接方法、装置、智能设备及存储介质，方法包括：第一终端扫描同屏设备的二维码；根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接；若连接成功，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。本发明通过简单快捷的方式建立起了一对多同屏网络连接环境，大大提升了用户体验。

Description

一种同屏网络连接方法、装置、智能设备及存储介质 技术领域
本发明涉及多媒体技术领域，尤其涉及一种同屏网络连接方法、装置、智能设备及存储介质。
背景技术
随着智能终端的普及,教学模式正发生转变,智能终端在课堂中的应用成为研究热点。越来越多的学校开始使用智能终端借助投影仪或电子白板进行课堂教学。
当前的大屏设备接入学生终端时较为繁琐，往往需要学生终端搜索局域网，在局域网中找到大屏设备的IP地址进行接入。专利C107949068A公开了一种学生终端通过扫描大屏设备的IP地址与大屏设备建立通讯连接的方式，大大简化了本地与无线终端的连接过程。但是学生终端数量众多，让每个学生举起平板扫描二维码费时费力，学生体验效果不佳。
发明内容
本发明的目的在于提供一种同屏网络连接方法、装置、智能设备及存储介质，以解决上述背景技术中提出的问题。
根据本发明的一个方面，提供一种同屏网络连接方法，包括：
第一终端扫描同屏设备的二维码；
根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接；
若连接成功，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
在本发明的一个实施例中，所述方法还包括：
第一终端获取接受同屏的多个第二终端的集合标识。
在本发明的一个实施例中，将所述同屏设备的IP地址发送至接受同屏的多个第二终端包括：
第一终端将所述接受同屏的多个第二终端的集合标识及同屏设备的IP地址 发送到后台服务器；
后台服务器获取所述集合标识对应的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。
在本发明的一个实施例中，将所述同屏设备的IP地址发送至接受同屏的多个第二终端包括：
第一终端获取接受同屏的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。
在本发明的一个实施例中，所述方法还包括：
若连接成功，第一终端将所述同屏设备的IP地址保存到投屏历史信息中。
在本发明的一个实施例中，所述第一终端扫描同屏设备的二维码前还包括：
第一终端接收用户输入的投屏请求；
根据投屏请求获取投屏历史信息，生成供用户选择的同屏设备列表；
获取用户在同屏设备列表中选择的同屏设备的IP地址；
根据所述IP地址与所述同屏设备建立投屏连接。
在本发明的一个实施例中，所述第一终端接收用户输入的投屏请求包括：
第一终端接收用户通过点击或触摸悬浮按钮发起的投屏请求。
在本发明的一个实施例中，所述第一终端将所述同屏设备的IP地址保存到投屏历史信息中包括：
第一终端判断投屏历史信息中同屏设备的数量是否超过阈值；
若超过，则删除投屏历史信息中排在末尾的同屏设备，将本次连接成功的同屏设备排在投屏历史信息中首位；
若未超过，将本次连接成功的同屏设备排在投屏历史信息中首位。
根据本发明的一个方面，提供一种同屏网络连接装置，包括：
二维码扫描模块，扫描同屏设备的二维码；
投屏连接建立模块，根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接；
分屏连接建立模块，用于当第一终端与同屏设备投屏连接成功后，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
在本发明的一个实施例中，所同屏网络连接装置用于执行上述任一项所述 的同屏网络连接方法的操作。
根据本发明的一个方面，应用于第一终端，提供一种同屏网络连接装置，包括存储器和处理器，其中：
存储器，用于存储指令；
处理器，用于执行所述指令，使得所述同屏网络连接装置执行实现上述任一项所述的同屏网络连接方法的操作。
根据本发明的一个方面，提供一种智能设备，包括上述任一项所述的同屏网络连接装置。
根据本发明的一个方面，提供一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现上述任一项所述的同屏网络连接方法的步骤。
实施本发明实施例，将具有如下有益效果：
本发明实施例通过将同屏设备的IP地址生成二维码，第一终端扫描该二维码与同屏设备建立投屏连接后，将同屏设备的IP地址发送到接受同屏的各第二终端，以使得各第二终端根据同屏设备的IP地址与同屏设备建立分屏连接；克服了现有技术中一对多同屏环境下各终端设备接入过程复杂、可操作性差、体验感不佳的技术问题，使得第一终端、同屏设备和多个第二终端能简单快捷地建立起一对多的同屏网络环境，大大提升了用户体验。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
其中：
图1为本发明一个实施例中一种同屏网络连接方法的流程图；
图2为本发明一个实施例中一种分屏网络连接方法的流程图；
图3为本发明一个实施例中一种投屏网络连接方法的流程图；
图4为本发明一个实施例中一种同屏网络连接装置的结构图；
图5为本发明另一个实施例中一种同屏网络连接装置的结构图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明实施例中，同屏网络连接方法是指一对多同屏网络连接方法，即一个终端将自身屏幕内容同时同屏到多个终端时的网络连接方法。该同屏网络连接方法包括第一终端与同屏设备建立投屏连接的过程及多个第二终端与同屏设备建立分屏连接的过程。
如图1所示，为本发明一个实施例中一种同屏网络连接方法的流程图。本实施例中所述的第一终端为投屏方终端，如教师终端或会议主讲人终端；第二终端为接受同屏的被投屏方终端，如学生终端或参会人终端。优选的，本发明实施例中的方法可由投屏方终端所包含的同屏网络连接装置执行。该方法包括以下步骤：
步骤S101，第一终端扫描同屏设备的二维码。
同屏设备开启后，自动开启投屏服务和分屏服务，获取自身的IP地址生成二维码进行展示，等待第一终端与第二终端与之连接。
用户点击第一终端设备的二维码扫描按钮，开启二维码扫描程序，对准同屏设备显示在屏幕上的二维码进行扫描。
在本发明实施例中，同屏不受局域网的限制，即第一终端、第二终端和同屏设备三者不限定处于同一局域网，只要第一终端与同屏设备、同屏设备与第二终端之间能进行通讯，就可以实现一对多同屏。因此，本发明中同屏设备生成的二维码中可不包含同屏设备在局域网中的路由设备的标识信息，而仅包含同屏设备的IP地址，这也是本发明与CN107949068A的一个不同之处。
步骤S102，根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接。
第一终端解析二维码获取同屏设备的IP地址，根据同屏设备的IP地址发起与同屏设备的投屏连接请求。同屏设备开启后，自动监听固定的投屏服务端口和分屏服务端口，当监测到投屏服务端口有投屏连接请求时，对第一终端的设 备信息进行注册，并返回连接成功的消息至第一终端。
步骤S103，若连接成功，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
本发明实施例中，同屏不受局域网的限制，在发起投屏连接请求后，若在预定时间未收到同屏设备返回的连接成功消息，则判断投屏连接不成功。
在本发明的一个实施例中，步骤S103可通过如下方法实现：
第一终端获取接受同屏的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。
具体的，可以将接受同屏的所有第二终端的IP地址通过界面设置或一次性导入的方式预先存储在第一终端内。
在本发明的一个实施例中，步骤S103可通过图2所示的分屏网络连接方法进行实现，包括如下步骤：
步骤S201，第一终端获取接受同屏的多个第二终端的集合标识。
在本发明的一个实施例中，用户通过第一终端选择本次接受同屏的多个第二终端的集合标识。比如，第一终端为教师终端，则接受同屏的多个第二终端的集合标识可以为班级ID。教师终端在发起投屏前，先选择班级获取本次接受同屏的所有学生终端所属的班级ID。
步骤S202，若投屏连接成功，第一终端将所述接受同屏的多个第二终端的集合标识及同屏设备的IP地址发送到后台服务器。
具体的，在第一终端发起投屏连接前，第一终端和后台服务器，后台服务器和第二终端之间可互相通讯。
步骤S203，后台服务器获取所述集合标识对应的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。
步骤S204，各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
在本发明的一个实施例中，当投屏连接建立成功后，第一终端将所述同屏设备的IP地址保存到投屏历史信息中。
具体的，第一终端判断投屏历史信息中同屏设备的数量是否超过阈值；
若超过，则删除投屏历史信息中排在末尾的同屏设备，将本次连接成功的 同屏设备排在投屏历史信息中首位；
若未超过，将本次连接成功的同屏设备排在投屏历史信息中首位。
在本发明的一个实施例中，二维码信息中还包含有同屏设备的名称，当投屏连接建立成功后，第一终端还用于将同屏设备的名称也保存到投屏历史信息中。
如图3所示为本发明一个实施例中一种投屏网络连接方法的流程图，包括如下步骤：
步骤S301，第一终端接收用户输入的投屏请求。
在本发明的一个实施例中，第一终端接收用户通过点击或触摸悬浮按钮发起的投屏请求。
步骤S302，根据投屏请求获取投屏历史信息，生成供用户选择的同屏设备列表。
在本发明的一个实施例中，投屏历史信息包括建立过投屏连接的全部或部分同屏设备的IP地址及名称。用户在第一终端发起投屏请求之后，弹出一同屏设备列表窗口供用户选择本次要投屏的同屏设备。优选的，该同屏设备列表中的同屏设备采用同屏设备名称进行显示。
步骤S303，获取用户在同屏设备列表中选择的同屏设备的IP地址。
步骤S304，根据所述IP地址与所述同屏设备建立投屏连接。
在该实施例中，第一终端通过对成功建立了投屏连接的同屏设备信息进行保存，使得下次再投屏时可根据投屏历史信息筛选出可供投屏的同屏设备，免去用户频繁举起终端扫描二维码带来的负担，并方便用户随时随地的投屏。
图3中通过同屏设备列表选择同屏设备建立投屏连接的方法与图1中通过扫描二维码获取同屏设备的IP地址建立投屏连接的方法是可以共存的。当第一终端尚未与任何同屏设备建立过投屏连接时，则必须通过扫描二维码来获取同屏设备的IP地址，此外，当准备建立投屏连接的同屏设备未存在于同屏设备列表中时，也需要通过扫描二维码来获取同屏设备的IP地址。
下面将以课堂教学领域内一对多同屏教学场景为例来阐述上述实施例中建立同屏网络连接的具体实施方式。
老师使用账号登录教师终端后，进入课堂教学页面对本次上课的课程进行选择。选择本次上课的课程之后，再对班级进行选择。具体的，可在课堂教学 页面设置一下拉班级选择框供用户选择。
完成上述选择之后，点击课堂教学页面上的“扫码上课”按钮，扫描同屏设备的二维码获取同屏设备的IP地址，根据同屏设备的IP地址和教师ID、班级ID和选课信息生成开课请求发送至后台服务器；后台服务器根据选课信息生成课程ID，返回课程ID给教师终端，以使教师终端根据课程ID下载课程数据对课堂界面进行初始化。课堂界面初始化完成后，教师终端发送上课指令至后台服务器，后台服务器接收到上课指令后，根据班级ID生成包含同屏设备的IP地址和课程ID的新上课指令发送到订阅该班级ID的各学生终端。各学生终端根据同屏设备的IP地址与同屏设备建立分屏连接。
在本发明的一个实施例中，在教师终端进入课堂之前，可先将教师终端屏幕投屏到同屏设备。具体的，在支持投屏的界面展示一悬浮按钮，该悬浮按钮可以被任意拖动，第一终端获取用户通过点击或触摸悬浮按钮发起的投屏请求，根据投屏请求获取投屏历史信息，根据投屏历史信息生成供用户选择的同屏设备列表，所述投屏历史信息包括建立过投屏连接的所有同屏设备的IP地址及名称；获取用户选择的同屏设备的IP地址，与所述同屏设备建立投屏连接。若老师还需要将屏幕同步到各学生终端时，则对课程及班级信息进行选择后，可点击“开始上课”按钮，将同屏设备的IP地址和教师ID、班级ID和选课信息生成开课请求发送至后台服务器。后面的流程跟前述扫码上课一致，在此不再赘述。
教师终端与同屏设备建立投屏连接后，还对同屏设备的IP地址和名称进行保存，使得教师终端也可根据投屏历史信息获取同屏设备的IP地址，与同屏设备建立投屏连接，减轻老师频繁举起平板扫描所带来的负担以及必须站在固定范围内才能扫描所带来的不便。
在本发明的一个实施例中，投屏历史信息还包括与各同屏设备建立投屏连接的时间信息，以使最新建立投屏连接的设备被设置成同屏设备列表中的焦点所在选项。
上述实施例通过将同屏设备的IP地址生成二维码，第一终端扫描该二维码与同屏设备建立投屏连接后，将同屏设备的IP地址发送到接受同屏的各第二终端，以使得各第二终端根据同屏设备的IP地址与同屏设备建立分屏连接；克服了现有技术中一对多同屏环境下各终端设备接入过程复杂、可操作性差、体验 感不佳的技术问题，使得第一终端、同屏设备和多个第二终端能简单快捷地建立起一对多的同屏网络环境，大大提升了用户体验。
如图4所示为本发明一个实施例中一种同屏网络连接装置的结构图。优选的，所述同屏网络连接装置应用于第一终端，包括二维码扫描模块41、投屏连接建立模块42、分屏连接建立模块43，其中：
二维码扫描模块41，扫描同屏设备的二维码；
投屏连接建立模块42，根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接；
分屏连接建立模块43，用于当第一终端与同屏设备投屏连接成功后，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
同屏设备开启后，自动开启投屏服务和分屏服务，获取自身的IP地址生成二维码进行展示，等待第一终端与第二终端与之连接。
用户点击第一终端设备的二维码扫描按钮，开启二维码扫描程序，对准同屏设备显示在屏幕上的二维码进行扫描，通过解析二维码获取同屏设备的IP地址，根据同屏设备的IP地址发起与同屏设备的投屏连接请求。同屏设备开启后，自动监听固定的投屏服务端口和分屏服务端口，当监测到投屏服务端口有投屏连接请求时，对第一终端的设备信息进行注册，并返回连接成功的消息至第一终端。
在本发明实施例中，同屏不受局域网的限制，即第一终端、第二终端和同屏设备三者不限定处于同一局域网，只要第一终端与同屏设备、同屏设备与第二终端之间能进行通讯，就可以实现一对多同屏。因此，本发明中同屏设备生成的二维码中可不包含同屏设备在局域网中的路由设备的标识信息，而仅包含同屏设备的IP地址，这也是本发明与CN107949068A的一个不同之处。
本发明实施例中，同屏不受局域网的限制，在发起投屏连接请求后，若在预定时间未收到同屏设备返回的连接成功消息，则判断投屏连接不成功。
在本发明的一个实施例中，分屏连接建立模块43，与同屏设备投屏连接成功后，获取接受同屏的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。具体的，可以将接受同屏的所有第二终端的IP地址通过界面设置或一次性导入的方式预先存储在第一终端内。
在本发明的一个实施例中，分屏连接建立模块43，在与同屏设备投屏连接成功后，获取接受同屏的多个第二终端的集合标识，将接受同屏的多个第二终端的集合标识及同屏设备的IP地址发送到后台服务器，通过后台服务器将同屏设备的IP地址发送至接受同屏的所有第二终端，以使得各第二终端根据同屏设备的IP地址与同屏设备建立分屏连接。
在本发明的一个实施例中，当投屏连接建立成功后，同屏网络连接装置将所述同屏设备的IP地址保存到投屏历史信息中。
具体的，同屏网络连接装置判断投屏历史信息中同屏设备的数量是否超过阈值；
若超过，则删除投屏历史信息中排在末尾的同屏设备，将本次连接成功的同屏设备排在投屏历史信息中首位；
若未超过，将本次连接成功的同屏设备排在投屏历史信息中首位。
在本发明的一个实施例中，二维码信息中还包含有同屏设备的名称，当投屏连接建立成功后，同屏网络连接装置还用于将同屏设备的名称也保存到投屏历史信息中。
在该实施例中，同屏网络连接装置通过对成功建立了投屏连接的同屏设备信息进行保存，使得下次再投屏时可根据投屏历史信息筛选出可供投屏的同屏设备，免去用户频繁举起终端扫描二维码带来的负担，并方便用户随时随地的投屏。
在本发明得一个实施例中，同屏网络连接装置还用于接收用户输入的投屏请求，根据投屏请求获取投屏历史信息，生成供用户选择的同屏设备列表，获取用户在同屏设备列表中选择的同屏设备的IP地址，根据所述IP地址与所述同屏设备建立投屏连接。
在本发明的一个实施例中，所述同屏网络连接装置用于执行实现如上述任一实施例(图1至图3任意实施例)所述的同屏网络连接方法的操作。
如图5所示为本发明另一个实施例中一种同屏网络连接装置的结构图，所述同屏网络连接装置可应用于第一终端，包括存储器51和处理器52，其中：
存储器51，用于存储可在处理器52上运行的计算机程序。
处理器52，用于执行计算机程序，使得投屏装置执行实现如上述任一实施例(图1或图2或图3实施例)所述的同屏网络连接方法的操作。
根据本发明的另一方面，提供一种智能设备，包括如上述任一实施例(图4或图5实施例)所述的同屏网络连接装置。
上述实施例通过将同屏设备的IP地址生成二维码，第一终端扫描该二维码与同屏设备建立投屏连接后，将同屏设备的IP地址发送到接受同屏的各第二终端，以使得各第二终端根据同屏设备的IP地址与同屏设备建立分屏连接；克服了现有技术中一对多同屏环境下各终端设备接入过程复杂、可操作性差、体验感不佳的技术问题，使得第一终端、同屏设备和多个第二终端能简单快捷地建立起一对多的同屏网络环境，大大提升了用户体验。
根据本发明的另一方面，提供一种计算机可读存储介质，一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述计算机程序被储器执行时实现如上述任一实施例(例如图1～图3实施例)所述的同屏网络连接方法，可以应用于智能设备中；前述实施例的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，移动设备或者网络设备等)或processor(处理器)执行本实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
上述实施例通过将同屏设备的IP地址生成二维码，第一终端扫描该二维码与同屏设备建立投屏连接后，再将同屏设备的IP地址通过后台服务器发送到接受同屏的多个第二终端，以使得各第二终端根据同屏设备的IP地址与同屏设备建立分屏连接；克服了现有技术中一对多同屏环境下各终端设备接入过程复杂、可操作性差、体验感不佳的技术问题，方便快捷地建立起了一对多的同屏网络环境，大大提高了用户体验。
在上述描述的同屏装置可以实现为用于执行本申请所描述功能的通用处理器、可编程逻辑控制器(PLC)、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程， 是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
以上所揭露的仅为本发明较佳实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属本发明所涵盖的范围。

Claims (13)

  1. 一种同屏网络连接的方法，其特征在于，所述方法包括：
    第一终端扫描同屏设备的二维码；
    根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接；
    若连接成功，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
  2. 如权利要求1所述的方法，其特征在于，所述方法还包括：
    第一终端获取接受同屏的多个第二终端的集合标识。
  3. 如权利要求2所述的方法，其特征在于，将所述同屏设备的IP地址发送至接受同屏的多个第二终端包括：
    第一终端将所述接受同屏的多个第二终端的集合标识及同屏设备的IP地址发送到后台服务器；
    后台服务器获取所述集合标识对应的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。
  4. 如权利要求1所述的方法，其特征在于，将所述同屏设备的IP地址发送至接受同屏的多个第二终端包括：
    第一终端获取接受同屏的所有第二终端的IP地址，将所述同屏设备的IP地址发送至接受同屏的所有第二终端。
  5. 如权利要求1至4任意一项所述的方法，其特征在于，所述方法还包括：
    若连接成功，第一终端将所述同屏设备的IP地址保存到投屏历史信息中。
  6. 如权利要求5所述的方法，其特征在于，所述第一终端扫描同屏设备的二维码前还包括：
    第一终端接收用户输入的投屏请求；
    根据投屏请求获取投屏历史信息，生成供用户选择的同屏设备列表；
    获取用户在同屏设备列表中选择的同屏设备的IP地址；
    根据所述IP地址与所述同屏设备建立投屏连接。
  7. 如权利要求6所述的方法，其特征在于，所述第一终端接收用户输入的投屏请求包括：
    第一终端接收用户通过点击或触摸悬浮按钮发起的投屏请求。
  8. 如权利要求5所述的方法，其特征在于，所述第一终端将所述同屏设备 的IP地址保存到投屏历史信息中包括：
    第一终端判断投屏历史信息中同屏设备的数量是否超过阈值；
    若超过，则删除投屏历史信息中排在末尾的同屏设备，将本次连接成功的同屏设备排在投屏历史信息中首位；
    若未超过，将本次连接成功的同屏设备排在投屏历史信息中首位。
  9. 一种同屏网络连接装置，应用于第一终端，其特征在于，包括：
    二维码扫描模块，扫描同屏设备的二维码；
    投屏连接建立模块，根据所述二维码中包含的同屏设备IP地址与所述同屏设备建立投屏连接；
    分屏连接建立模块，用于当第一终端与同屏设备投屏连接成功后，将所述同屏设备的IP地址发送至接受同屏的多个第二终端，以使各第二终端根据所述同屏设备的IP地址与所述同屏设备建立分屏连接。
  10. 如权利要求9所述的同屏网络连接装置，其特征在于，所同屏网络连接装置用于执行实现权利要求1-8任一项所述的同屏网络连接方法的操作。
  11. 一种同屏网络连接装置，应用于第一终端，其特征在于，包括存储器和处理器，其中：
    存储器，用于存储指令；
    处理器，用于执行所述指令，使得所述同屏网络连接装置执行实现权利要求1-8任一项所述的同屏网络连接方法的操作。
  12. 一种智能设备，其特征在于，包括权利要求9-11任一项所述的同屏网络连接装置。
  13. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现权利要求1-8任一项所述的方法的步骤。
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