微信小程序开发之上传图片到服务器

function UploadImage(CallBack) {
  wx.chooseImage({
    success: function (res) {
      var tempFilePaths = res.tempFilePaths
      console.log(tempFilePaths)
      wx.showLoading({ title: '正在上传' })
      wx.uploadFile({
        url: UploadImage_ApiUrl,
        filePath: tempFilePaths[0],//临时路径
        name: uploadImagefileName,
        formData: {
          CustID: custID
        },
        success: function (res) {
          var data = res.data
          console.log(res)
          var json=JSON.parse(data)
          wx.hideLoading()
          CallBack(json.path)
        }
      })
    }
  })
}