A method and system for transferring file in instant communication tool

Abstract

The invention provides a file transmission method and a system in instant messaging service, which can solve the problem that instant messaging product can not transmit files to off-line receiving party and receiver has to send again if the file is lost or damaged after acceptance and the operation can not be executed if the sender does not have the file either. The invention includes the following steps: a sender selects the files to be sent; the sender sends the files and a client side sends control message to an instant messaging server; the instant messaging server selects a file transmission server and notifies the client side and the file transmission server; the client side is connected with the file transmission server and sends file data; the instant messaging server notifies the receiver and the receiver client side shows the file attribute. When the client side sends files, the server will store and transmit the files in file transmission. And in files sending, the receiver does not need to be on line and in files receiving, the sender does not need to be on line. Users can accept the same files with multiple times with the function of safe backup. If the files received at last time are damaged or lost, users can accept the files again.

Description

Technical field: [0001] The invention relates to the field of computer software and network communication, in particular to instant messaging technology, in particular to a method and system for transferring files in an instant messaging tool. Background technique: [0002] Instant messaging (IM for short) has now become an important means for users to communicate through a network. [0003] At present, in instant messaging products, when the other party is not online, the file cannot be transferred to the other party, that is, both parties must be online to be able to transfer files; during file transfer, due to various reasons, such as crashes, power outages, etc., the sender must restart Send it once. If the file is lost or damaged after receiving the file, the sender can only send it again. If the sender does not have the file, it cannot be executed, and the file will be permanently lost. Invention content: [0004] The present invention provides a method and system f...

AI Technical Summary

Problems solved by technology

[0003] At present, in instant messaging products, when the other party is not online, the file cannot be transferred to the other party, that is, both parties must be online to be able to transfer files; during file transfer, due to various reasons, such as crashes, power outages, etc., the sender must restart Send once, if the file is lost or damaged after receiving the file, the sender can only send it again, if the sender does not have the file, it cannot be executed, and the file is permanently lost

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