WeChat Mini Program Network API Upload and Download Detailed Instructions

This article mainly introduces the WeChat mini program networkAPI Upload, download detailed instructions related information, friends in need can refer to the following

wx.uploadFile(OBJECT)

Upload local resources to the developer server. For example, after the page obtains the temporary file path of a local resource through wx.chooseImage and other interfaces, it can upload the local resource to the designated server through this interface. The client initiates an HTTPS POST request, where the Content-Type is multipart/form-data .

OBJECT parameter description:

wx.chooseImage({
 success:function(res){
 var tempFilePaths = res.tempFilePaths; 
 wx.uploadFile({
  url: 'http://example.com/upload',
  filePath: tempFilePaths[0],
  name:"file",
  formData:{
  "user":"test"
  }
 })
 }
})

##wx. downloadFile(OBJECT)

Download file resources to the local. The client directly initiates an HTTP GET request, processes the downloaded resource according to type, and returns the local temporary path of the file.

OBJECT parameter description:

wx.downloadFile({
 url: 'http://example.com/audio/123',
 type: 'audio',
 success:function(res){
 wx.playVoice({
  filePath: res.tempFilePath
 })
 }
})

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