微信小程式上傳(多個檔案上傳)

/**
  * 上傳照片//選擇圖片時限制9張，如需超過9張，同理亦可參照此方法上傳多張照片
  */
uploadImg:function(){
   var that = this;
   wx.chooseImage({
       count: 9,
           sizeType: ['original', 'compressed'],
           sourceType: ['album', 'camera'],
           success: function(res){
               var successUp = 0; //成功
               var failUp = 0; //失敗
               var length = res.tempFilePaths.length; //總數
               var count = 0; //第幾張
              that.uploadOneByOne(res.tempFilePaths,successUp,failUp,count,length);
           },        
   });
},
/**
  * 採用遞迴的方式上傳多張
  */
 uploadOneByOne(imgPaths,successUp, failUp, count, length){
   var that = this;
   wx.showLoading({
      title: '正在上傳第'+count+'張',
    })
   wx.uploadFile({
     url: 'https://example.weixin.qq.com/upload', //僅為示例，非真實的介面地址
     filePath: imgPaths[count],
     name: count,//示例，使用順序給檔案命名
     success:function(e){
       successUp++;//成功+1
     },
     fail:function(e){
       failUp++;//失敗+1
     },
     complete:function(e){
       count++;//下一張
       if(count == length){
         //上傳完畢，作一下提示
         console.log('上傳成功' + successUp + ',' + '失敗' + failUp);
         wx.showToast({
           title: '上傳成功' + successUp,
           icon: 'success',
           duration: 2000
         })
       }else{
         //遞迴呼叫，上傳下一張
         that.uploadOneByOne(imgPaths, successUp, failUp, count, length);
         console.log('正在上傳第' + count + '張');
       }
     }
   })
 }
 

參考:http://www.wxapp-union.com/portal.php?mod=view&aid=1213