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<template>
<div class="app-container">
<el-button style='margin-bottom:20px;float:right' type="primary" icon="document" @click="handleDownload">导出excel</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.$index}}
</template>
</el-table-column>
<el-table-column label="文章标题">
<template scope="scope">
{{scope.row.title}}
</template>
</el-table-column>
<el-table-column label="作者" width="110">
<template scope="scope">
<span>{{scope.row.author}}</span>
</template>
</el-table-column>
<el-table-column label="阅读数" width="105" align="center">
<template scope="scope">
{{scope.row.pageviews}}
</template>
</el-table-column>
<el-table-column align="center" prop="created_at" label="发布时间" width="200">
<template scope="scope">
<i class="el-icon-time"></i>
<span>{{scope.row.display_time}}</span>
</template>
</el-table-column>
</el-table>
</div>
</template>
<script>
import { getList } from 'api/article';
export default {
data() {
return {
list: null,
listLoading: true,
multipleSelection: []
}
},
created() {
this.fetchData();
},
methods: {
fetchData() {
this.listLoading = true;
getList(this.listQuery).then(response => {
this.list = response.data;
this.listLoading = false;
})
},
handleSelectionChange(val) {
this.multipleSelection = val;
},
handleDownload() {
if (this.multipleSelection.length) {
require.ensure([], () => {
const { export_json_to_excel } = require('vendor/Export2Excel');
const tHeader = ['序号', '文章标题', '作者', '阅读数', '发布时间'];
const filterVal = ['id', 'title', 'author', 'pageviews', 'display_time'];
const list = this.multipleSelection;
const data = this.formatJson(filterVal, list);
export_json_to_excel(tHeader, data, '列表excel');
this.$refs.multipleTable.clearSelection();
})
} else {
this.$message({
message: '请选择一条或多条记录导出',
type: 'warning'
});
}
},
formatJson(filterVal, jsonData) {
return jsonData.map(v => filterVal.map(j => v[j]))
}
}
};
</script>