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This article "how WeChat Mini Programs uses wx.saveFile to save files locally". The sample code in the article is very detailed and has certain reference value. Interested friends must refer to "how WeChat Mini Programs uses wx.saveFile to save files locally". The editor has sorted out the following knowledge points. Please follow the steps of the editor to understand step by step. Next, let's get to the subject.

Wx.saveFile (OBJECT)

Save the file locally.

OBJECT parameter description:

Parameter type required indicates that tempFilePathString is the temporary path of the file to be saved. Whether successFunction returns the save path of the file, res = {savedFilePath: 'file save path'} failFunction No API call failed callback function completeFunction No API call end callback function (both successful and failed calls will be executed)

Success return parameter description:

Parameter indicates the path where the savedFilePath file is saved

Sample code:

Wx.chooseImage ({success: function (res) {var tempFilePath = res.tempFilePath wx.saveFile ({tempFilePath: tempFilePath [0], success: function (res) {var savedFilePath = res.savedFilePath})}) what is the advantage of Mini Program compared with developers, Mini Program is less difficult to develop, can save development and operating costs, and allows developers to quickly develop a Mini Program. And Mini Program can be easily obtained and spread in Wechat, which can meet the basic life applications, in line with life services offline stores and non-rigid needs of low-frequency applications. For users, it can save time cost and mobile phone memory space, and have excellent use experience at the same time.

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