<template>
  <el-upload action="https://upload.qbox.me" :data="dataObj" drag :multiple="true" :before-upload="beforeUpload">
    <i class="el-icon-upload"></i>
    <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
  </el-upload>
</template>


<script>
  import { getToken } from 'api/qiniu'; // 获取七牛token 后端通过Access Key,Secret Key,bucket等生成token
    // 七牛官方sdk https://developer.qiniu.com/sdk#official-sdk

  export default{
    data() {
      return {
        dataObj: { token: '', key: '' },
        image_uri: [],
        fileList: []
      }
    },
    methods: {
      beforeUpload() {
        const _self = this;
        return new Promise((resolve, reject) => {
          getToken().then(response => {
            const key = response.data.qiniu_key;
            const token = response.data.qiniu_token;
            _self._data.dataObj.token = token;
            _self._data.dataObj.key = key;
            resolve(true);
          }).catch(err => {
            console.log(err)
            reject(false)
          });
        });
      }
    }
  }
</script>
