| 摘要 |
The present disclosure relates to a method for backing up data, a device for backing up data and an electronic device. The method includes: determining whether a new file of a predetermined type exists locally (102); calculating a checked value corresponding to the new file according to a predetermined algorithm if the new file of the predetermined type exists (104); sending a query request containing the checked value to a router connected, so as to query whether a file having the checked value is stored in the router (106); backing up the new file to the router if determining that no file having the checked value is stored in the router according to a query result returned from the router (108). |
