Method and system for synchronous display
A technology of synchronous display and to-be-displayed, applied in the field of data transmission, which can solve problems such as inability to display synchronously, file transfer freezes, etc., and achieve the effect of ensuring synchronous display, optimizing experience, reducing occupation and traffic consumption
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Embodiment 1
[0101] Please refer to figure 2 , this embodiment provides a method for synchronous display, which is applied to the synchronous display of information between two different terminals, and the display of the other terminal is controlled by one terminal. The following is an explanation by using the process of synchronously displaying PPT files between the client (remote terminal) and the PC. The specific process may include the following:
[0102] A communication connection relationship is established between the client terminal and the PC terminal, and the connection relationship can be established in a wired form or in a wireless form;
[0103] The client obtains the total number of pages N of the PPT file to be displayed from the PC, and N is greater than or equal to 2;
[0104] The client sends a request to the PC to obtain a total of m pages from page x of the PPT file, where x is greater than or equal to 1 and less than N; the PC sends the PPT file to the client in the ...
Embodiment 2
[0118] This embodiment is a further extension of the above-mentioned preferred embodiment, and the similarities will not be repeated here. The difference is that a certain number of pictures may not be pre-stored in the client, but a switching control command triggered by the user may be used on the client. Then, quickly obtain the picture corresponding to the switching control instruction from the PC terminal, and display it. Specifically, it can be achieved through the following steps:
[0119] After the client receives the request triggered by the user to switch to page n of the PPT, the n is less than or equal to N;
[0120] The client sends a control switching instruction to the PC according to the request; at the same time
[0121] The client sends a request to the PC to obtain a total of m pages starting from page n of the PPT file, where m is less than or equal to N;
[0122] The PC sends the m pictures corresponding to the nth page to the n+mth page of the PPT file ...
Embodiment 3
[0128] see image 3 , the present embodiment is a further extension on the basis of the above-mentioned embodiment, and increases the modification steps of the pictures in the PPT file by the client synchronous PC end; specifically, it may include the following:
[0129] The content of one page of the PPT file is modified on the PC side, that is, the picture corresponding to the page in the PPT file has changed;
[0130] The PC side sends information including the page number corresponding to the modified picture to the client; preferably, the PC side sends information of "newID: n oldID: 0" to the client, where the newID: n is the page number of the modified picture, and oldID: 0 is the page number of the picture before modification;
[0131] After receiving the information, the client judges whether the page number corresponding to the modified picture is stored in the mapping relationship; if not, it means that the client has not received the picture corresponding to the p...
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