小程序之云存储和云函数

效果图：

image.png
image.png

xml:

<button type="primary" style="margin-top:20px;"
 bindtap="upload">上传文件</button>
<button type="primary" style="margin-top:20px;"
 bindtap="download">下载文件</button>
 <button type="primary" style="margin-top:20px;"
 bindtap="delete">删除文件</button>

js：

delete:function(){
    wx.cloud.deleteFile({
      fileList:['cloud://cloud-58lf0.636c-cloud-58lf0-1302202484/test.jpg'],
      success:res=>{
        console.log('删除成功')
        console.log(res)
      },
      fail:err=>{
        console.log(err)
      }
    })
  },
  download:function(){
    wx.cloud.downloadFile({
      fileID:'cloud://cloud-58lf0.636c-cloud-58lf0-1302202484/test.jpg',
      success:res=>{
        console.log(res)
        console.log('下载成功')
        wx.saveImageToPhotosAlbum({
          filePath: res.tempFilePath,
          success:res=>{
            console.log('存储图片至系统相册成功')
            console.log(res)
          },
          fail:err=>{
            console.log(err)
          }
        })
      }
    })
  },
 upload:function(){
   console.log('上传文件开始')
   wx.chooseImage({
     success:function(res){
       console.log(res.tempFilePaths[0])
       wx.cloud.uploadFile({
         cloudPath:'test.jpg',
         filePath:res.tempFilePaths[0],
         success:res=>{
           wx.showToast({
             title:'上传成功',
           })
         },
         fail:err=>{
           console.log(err)
         }
       })
     }
   })  
 },