Large file remote transmission method
A technology for long-distance transmission and large files, which is applied in the field of computer network transmission, can solve problems such as complex network transmission processing of large files, transmission defects, etc., and achieve the effect of alleviating processing pressure, avoiding size restrictions, and realizing interoperability
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Embodiment 1
[0058] figure 1 Shows the preferred embodiment of the application ( figure 1 It shows a schematic flowchart of a large file remote transmission method provided by the first embodiment of the present application). For the convenience of description, only the parts related to this embodiment are shown, and the details are as follows:
[0059] The transmission of this method relies on the realization of the large file transfer service module. This module is a pre-written file transfer software. By installing the software on the computer, the user can realize the function of the large file transfer service module of this program. This function can be used To realize the large file transfer of this method. The process of file transfer based on the large file transfer service module is as follows:
[0060] The front end selects the file to be uploaded / downloaded and initiates a service request to the back end;
[0061] After receiving the service request, the backend performs fil...
Embodiment 2
[0098] like figure 2 As shown, this embodiment describes the file uploading process, and the process is specifically as follows:
[0099] Step 1. The front-end selects the file to be uploaded and initiates a back-end service request. Select the file to be uploaded at the corresponding business entry on the front-end browser page of the Web program, and the front-end will package the file information to be uploaded, including the path of the file, the name of the file, the type of the file, the associated attributes of the file, etc., and specify it through JavaScript The Function() of the Ajax transmission class calls the API interface provided by the backend server to call the backend service, and sends the packaged file information and the response protocol of the request header to the server through the HTTP protocol.
[0100]Step 2: The backend receives the request initiated by the frontend to perform file verification, database update synchronization, and returns the pr...
Embodiment 3
[0105] like image 3 As shown, this embodiment describes the download process of the file, and the process is specifically as follows:
[0106] Step 1: The front-end selects the file to be downloaded and initiates a back-end service request. Select the file to be downloaded at the corresponding business entry on the front-end browser page of the Web program, and the front-end will package the file information to be downloaded, including the database ID of the file, the path of the file, the name of the file, the type of the file, the associated attributes of the file, etc. , and call the API interface provided by the back-end server through JavaScript-specific Function() of the Ajax transmission class to call the back-end service, and send the packaged file information and the response protocol of the request header to the server through the HTTP protocol.
[0107] Step 2: The backend receives the request initiated by the frontend to perform file verification, database update...
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