<el-upload
      class="upload-demo"
      :auto-upload="false"
      :on-change="handleChange"
      :limit="1">
      <div class="searchbut">
        选择文件
      </div>
    </el-upload>
      <script>
        handleChange (e) {
      console.log(e)
      this.file = e
      this.$emit('getfile', e)
    },
    </script>