Export excel导出

<!-- 导入需要的包 （一定要放到index.html中的head标签里）-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.14.1/xlsx.full.min.js"></script>

<div style="width:400px">
 <el-button type="primary" @click="handleExcel">下载 excel</el-button>
 <el-button type="success" @click="handleExcel1">下载 复杂表头excel</el-button>
</div>
<script>
export default {
  data(){
    return {}
  },
  methods: {
     handleExcel() {
      let opt = {
        title: '文档标题',
        column: [{
          label: '标题',
          prop: 'title'
        }],
        data: [{
          title: "测试数据1"
        }, {
          title: "测试数据2"
        }]
      }
      this.$Export.excel({
        title: opt.title || new Date().getTime(),
        columns: opt.column,
        data: opt.data
      });
    },
    handleExcel1() {
      let opt = {
        title: '文档标题',
        column: [{
          label:'复杂表头',
          prop:'header',
          children:[
            {
              label: '标题1',
              prop: 'title1'
            },{
              label: '标题2',
              prop: 'title2'
            }
          ]
        }],
        data: [{
          title1: "测试数据1",
          title2: "测试数据2"
        }, {
          title1: "测试数据2",
          title2: "测试数据2"
        }]
      }
      this.$Export.excel({
        title: opt.title || new Date().getTime(),
        columns: opt.column,
        data: opt.data
      });
    }
  }
}
</script>