[JavaScript知识库]React taro 微信小程序上传文件 多个文件上传

handleUploadFile(){
    let that = this;
    wx.chooseMessageFile({
      count: 4,//最多上传四张
      success(res){
        const tempFiles=res.tempFiles;
        var successUp = 0; //成功
        var failUp = 0; //失败
        var length = tempFiles.length; //总数
        var count = 0; //第几张
that.uploadOneByOne(tempFiles,successUp,failUp,count,length);
      }
    })
  }
  uploadOneByOne(imgPaths,successUp, failUp, count, length){
    var that = this;
    wx.showLoading({
       title: '正在上传第'+count+'个',
     })
    wx.uploadFile({
      url: 'https://example.weixin.qq.com/upload', //仅为示例，非真实的接口地址
      filePath: imgPaths[count].path,
      name: 'multipartFile',
      header:{
        'content-type':'multipart/form-data',
      },
      success:function(reData){
        let data = reData.data
        let dataJson = JSON.parse(data);
        let file = dataJson.body.dataInfo;
        console.log(file);
        successUp++;//成功+1
      },
      fail:function(e){
        failUp++;//失败+1
      },
      complete:function(e){
        count++;//下一张
        if(count == length){
          //上传完毕，作一下提示
          console.log('上传成功' + successUp + ',' + '失败' + failUp);
          wx.showToast({
            title: '上传成功' + successUp,
            icon: 'success',
            duration: 2000
          })
        }else{
          //递归调用，上传下一张
          that.uploadOneByOne(imgPaths, successUp, failUp, count, length);
          console.log('正在上传第' + count + '张');
        }
      }
    })
  }