导入模板下载

xiangpei

2024-03-24 4487fbf1c128a877108b2add0f2d4897c573bf53

导入模板下载

 src/api/question.js

@@ -1,8 +1,9 @@
import { post } from '@/utils/request'
import { post, download } from '@/utils/request'

export default {
  pageList: query => post('/api/admin/question/page', query),
  edit: query => post('/api/admin/question/edit', query),
  select: id => post('/api/admin/question/select/' + id),
  deleteQuestion: id => post('/api/admin/question/delete/' + id)
  deleteQuestion: id => post('/api/admin/question/delete/' + id),
  downloadImportTemplate: () => download('/api/admin/question/download/question/import/temp')
}

 src/utils/download.js

New file
@@ -0,0 +1,15 @@
/**
 * 下载文件
 * @param data 响应数据
 */
export function downloadExcel (data, fileName) {
  // let url = window.URL.createObjectURL(data) // 将二进制文件转化为可访问的url
  let url = window.URL.createObjectURL(new Blob([data])) // 将二进制文件转化为可访问的url

  let a = document.createElement('a')
  document.body.appendChild(a)
  a.href = url
  a.download = fileName + '.xlsx' // 文件名
  a.click() // 模拟点击下载
  window.URL.revokeObjectURL(url)
}

 src/utils/request.js

@@ -104,6 +104,21 @@
  }
  return request(false, query)
}

const download = function (url, params) {
  const query = {
    baseURL: process.env.VUE_APP_URL,
    url: url,
    method: 'get',
    withCredentials: true,
    timeout: 30000,
    data: params,
    responseType: 'blob',//关键
    headers: {'Content-Type': 'application/vnd.ms-excel',}//类型修改为excel
  }
  return request(false, query)
}

export const down = function (url, params) {
  const query = {
    baseURL: process.env.VUE_APP_URL,
@@ -122,5 +137,5 @@
  postWithOutLoadTip,
  get,
  form,

  download
}

 src/views/exam/question/list.vue

@@ -18,16 +18,17 @@
          </el-form-item>
      <el-form-item>
      <div style="display: flex">
        <el-button type="primary" @click="submitForm">查询</el-button>
        <el-popover placement="bottom" trigger="click">
        <el-button class="op-item" type="primary" @click="submitForm">查询</el-button>
        <el-popover class="op-item" placement="bottom" trigger="click">
          <el-button type="warning" size="mini" v-for="item in editUrlEnum" :key="item.key"
                     @click="$router.push({path:item.value})">{{item.name}}
          </el-button>
          <el-button slot="reference" type="primary" class="link-left">添加</el-button>
          <el-button slot="reference" type="primary">添加</el-button>

        </el-popover>
        <el-button class="op-item" type="danger" @click="downloadImportTemplate">下载导入模板</el-button>
        <el-upload
          class="upload-demo"
          class="op-item"
          :action="upLoadUrl"
          :with-credentials="true"
          :on-success="handlePreview"
@@ -76,7 +77,7 @@
import Pagination from '@/components/Pagination'
import QuestionShow from './components/Show'
import questionApi from '@/api/question'
import store from '@/store'
import {downloadExcel} from '@/utils/download'

import Cookies from 'js-cookie'
export default {
@@ -113,9 +114,15 @@
    this.subjectFilter = this.subjects
  },
  methods: {
    // 下载导入模板
    downloadImportTemplate () {
      questionApi.downloadImportTemplate().then(res => {
        downloadExcel(res, '题目导出')
      })
    },
    handlePreview(e){
      console.log(e)
      if (e.code==1){
      if (e.code === 1) {
        this.search()
        this.$message.success(e.message)
      }else {
@@ -229,6 +236,9 @@
}
</script>
<style scoped lang="scss">
.op-item {
  margin-left: 5px;
}
.upload-demo{
  margin-left: 5px;
}