element-ui——导出数据

<el-button type="success" size="mini" @click="exportModal = true">导出数据</el-button>

<el-dialog title="导出数据" :visible.sync="exportModal" width="40%">
    <el-form :model="exportForm" ref="ruleForm">
      <el-form-item label="订单类型" prop="tab">
        <el-select v-model="exportForm.tab" placeholder="请选择">
            <el-option
              v-for="(item,index) in tabbars"
              :key="index" :label="item.name" :value="item.key">
            </el-option>
          </el-select>
      </el-form-item>
      <el-form-item label="时间范围" prop="time">
        <el-date-picker size="small"
          v-model="exportForm.time"
          type="daterange"
          range-separator="至"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
          value-format="yyyy-MM-dd">
        </el-date-picker>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="exportModal = false">取 消</el-button>
      <el-button type="primary" @click="exportExcel">确 定</el-button>
    </span>
  </el-dialog>

exportModal:false,

this.axios.post(url + params,{},{
      token:true,
      responseType: 'blob'
    }).then(res=>{
      this.exportModal = false
      if (res.status == 200) {
         let url = window.URL.createObjectURL(new Blob([res.data]))
         let link= document.createElement('a')
         link.style.display='none'
         link.href=url
         let filename = new Date().getTime() + '.xlsx';
         link.setAttribute('download', filename)
         document.body.appendChild(link)
         link.click()
      }
      this.layout.hideLoading()
    }).catch(err=>{
      this.layout.hideLoading()
    })