tencent cloud

  wx.chooseImage({
      success(res) {
    const tempFilePaths = res.tempFilePaths
    wx.saveFile({
      tempFilePath: tempFilePaths[0],
      success(res) {
        const savedFilePath = res.savedFilePath
  }
})
  }
})

wx.getSavedFileList({
      success(res) {
    if (res.fileList.length > 0) {
      wx.removeSavedFile({
        filePath: res.fileList[0].filePath,
        complete(res) {
    console.log(res)
  }
})
  }
  }
})

wx.downloadFile({
  // Sample URL, not actually existent
  url: 'https://example.com/somefile.pdf',
  success(res) {
    const filePath = res.tempFilePath
    wx.openDocument({
      filePath,
      success(res) {
        console.log('Document opened successfully')
      }
    })
  }
})

wx.getSavedFileList({
  success(res) {
    console.log(res.fileList)
  }
})

wx.getSavedFileList({
  success(res) {
    console.log(res.fileList)
  }
})

wx.getFileInfo({
  success(res) {
    console.log(res.size)
    console.log(res.digest)
  }
})

const fs = wx.getFileSystemManager()
// Open the file
fs.open({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+',
      success(res) {
// Close the file
    fs.close({
      fd: res.fd
})
  }
})

const fs = wx.getFileSystemManager()
const fd = fs.openSync({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+'
})

// Close the file
fs.closeSync({fd: fd})

const fs = wx.getFileSystemManager()
// Open the file
fs.open({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+',
      success(res) {
// Get the status information of the file.
    fs.fstat({
      fd: res.fd,
      success(res) {
        console.log(res.stats)
  }
})
  }
})

const fs = wx.getFileSystemManager()
const fd = fs.openSync({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+'
})
const stats = fs.fstatSync({fd: fd})
console.log(stats)

const fs = wx.getFileSystemManager()
// Open the file
fs.open({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+',
      success(res) {
//Truncate the file content.
    fs.ftruncate({
      fd: res.fd,
  length: 10, // Truncate the file starting from the 10th byte
      success(res) {
    console.log(res)
  }
})
  }
})

const fs = wx.getFileSystemManager()
const fd = fs.openSync({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+'
})
fs.ftruncateSync({
  fd: fd,
length: 10// Truncate the file starting from the 10th byte
})

const fs = wx.getFileSystemManager()
fs.open({
  filePath: ${wx.env.USER_DATA_PATH}/hello.txt,
  flag: 'a+',
      success(res) {
    console.log(res.fd)
  }
})