源码:第一步
<el-table :data="tableData" border :row-class-name="tableRowClassName" @expand-change="expandChange" :expand-row-keys="expands" :row-key='getRowKeys'> <el-table-column type="expand" label="详情"> <template slot-scope="props"> <el-form label-position="left" class="demo-table-expand" label-width="120px"> <el-form-item label="印章图标" v-if="props.row.isEdit"> <viewer :images="user_img"> <img :src="user_img[0].url" style="width: 60px;height: 60;border:1px solid #eee;border-radius: 5px;"/> </viewer> </el-form-item>
第二步
源码:
//设置row-key只展示一行 expands: [],//只展开一行放入当前行id getRowKeys(row){ return row.id },
第三步
代码:
//表格当前行被展开或收起 expandChange(row,expandedRows) { let that=this console.log(expandedRows); //只展开一行 if (expandedRows.length) {//说明展开了 that.expands = [] if (row) { that.expands.push(row.id)//只展开当前行id } } else {//说明收起了 that.expands = [] }