About WeChat Mini Programs uploading pictures

wx.chooseImage ({
success (res) {

)
const tempFilePaths = res.tempFilePaths
wx.uploadFile({
  url: "https://example.weixin.qq.com/upload", //
  filePath: tempFilePaths[0],
  name: "file",
  formData: {
    "user": "test"
  },
  success (res){
    const data = res.data
    //do something
  }
})

}
})

this is the method of uploading pictures in the official document.
the filePath in wx.uploadFile. Does it have to be the picture selected by wx.chooseImage?
I once tried filePath to send an address directly, but I made a mistake.

Oct.23,2021
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