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<template>
<div class="app-container">
<el-button style='margin-bottom:20px' type="primary" icon="document" @click="handleDownload" :loading="downloadLoading">导出已选择项</el-button>
<el-table :data="list" v-loading.body="listLoading" element-loading-text="拼命加载中" border fit highlight-current-row @selection-change="handleSelectionChange"
ref="multipleTable">
<el-table-column type="selection" align="center"></el-table-column>
<el-table-column align="center" label='ID' width="95">
<template scope="scope">
{{scope.$index}}
</template>
</el-table-column>
<el-table-column label="文章标题">
<template scope="scope">
{{scope.row.title}}
</template>
</el-table-column>
<el-table-column label="作者" width="95" align="center">
<template scope="scope">
<el-tag>{{scope.row.author}}</el-tag>
</template>
</el-table-column>
<el-table-column label="阅读数" width="115" align="center">
<template scope="scope">
{{scope.row.pageviews}}
</template>
</el-table-column>
<el-table-column align="center" prop="created_at" label="发布时间" width="220">
<template scope="scope">
<i class="el-icon-time"></i>
<span>{{scope.row.display_time}}</span>
</template>
</el-table-column>
</el-table>
</div>
</template>
<script>
import { fetchList } from '@/api/article'
export default {
data() {
return {
list: null,
listLoading: true,
multipleSelection: [],
downloadLoading: false
}
},
created() {
this.fetchData()
},
methods: {
fetchData() {
this.listLoading = true
fetchList(this.listQuery).then(response => {
this.list = response.data.items
this.listLoading = false
})
},
handleSelectionChange(val) {
this.multipleSelection = val
},
handleDownload() {
if (this.multipleSelection.length) {
this.downloadLoading = true
require.ensure([], () => {
const { export_json_to_excel } = require('vendor/Export2Excel')
const tHeader = ['序号', '文章标题', '作者', '阅读数', '发布时间']
const filterVal = ['id', 'title', 'author', 'pageviews', 'display_time']
const list = this.multipleSelection
const data = this.formatJson(filterVal, list)
export_json_to_excel(tHeader, data, '列表excel')
this.$refs.multipleTable.clearSelection()
this.downloadLoading = false
})
} else {
this.$message({
message: '请至少选择一条记录',
type: 'warning'
})
}
},
formatJson(filterVal, jsonData) {
return jsonData.map(v => filterVal.map(j => v[j]))
}
}
}
</script>