<div class="company_info" v-for="(item, index) in corpList" :key="index">
	<van-uploader class="uploader_wrapper" 
		:after-read="afterRead(index)">         
 		<div class="uploader uploader2">
            <van-image
              width="130px"
              :max-count="1"
              :src="item.FasttdfsId"
            />
      	</div>
	 </van-uploader>
</div>

data() {
    return {
      corpList: [{ ...corpList }],
    };
  },
 methods: {
 // 上传的第几站则设置数组中第几个的值，方便后面回显
    afterRead(index) {
    //afterRead自带的参数file写在return里面
      return (file) => {
        this.corpList[index].FastdfsId = file.content;
      };
    },
 }