需求场景: 选择表格数据时，需要控制单条数据的操作按钮是否禁用。

效果图: 

html代码:

<div><el-tableref="multipleTable":data="tableData"tooltip-effect="dark"style="width: 100%"@selection-change="handleSelectionChange"><el-table-column type="selection" width="55"> </el-table-column><el-table-column label="日期" width="120"><template slot-scope="scope">{{ scope.row.date }}</template></el-table-column><el-table-column prop="name" label="姓名" width="120"> </el-table-column><el-table-column prop="address" label="地址" show-overflow-tooltip></el-table-column></el-table><div style="margin-top: 20px"><!-- <el-button @click="toggleSelection([tableData[1], tableData[2]])">切换第二、第三行的选中状态</el-button> --><el-button @click="toggleSelection()">取消选择</el-button></div></div>

js代码:

export default {data() {return {tableData: [{date: "2016-05-03",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},{date: "2016-05-02",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},{date: "2016-05-04",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},{date: "2016-05-01",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},{date: "2016-05-08",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},{date: "2016-05-06",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},{date: "2016-05-07",name: "王小虎",address: "上海市普陀区金沙江路 1518 弄",},],multipleSelection: [], // 多选存储数据checkedSelection: {}, // 单选存储数据};},mounted() {document.onclick = () => {console.log('单选--checkedSelection', this.checkedSelection);}},methods: {toggleSelection(rows) {if (rows) {rows.forEach((row) => {this.$refs.multipleTable.toggleRowSelection(row);});} else {this.$refs.multipleTable.clearSelection();}},// 设置单选主要代码handleSelectionChange(val) {console.log('val--==', val);// 默认多选// this.multipleSelection = val;// 单选if(val.length == 1){let item = val[val.length -1];this.checkedSelection = JSON.parse(JSON.stringify(item));}// 单选选中多条时，需要清空所选数据if(val.length > 1){this.$refs.multipleTable.clearSelection(); // 清空选项this.$refs.multipleTable.toggleRowSelection(val.pop()); // 选中最后点击的数据}// 取消选中if(val.length == 0){this.checkedSelection = {};}},},
};

css代码: 

<style lang="less" scoped>
// 禁用table全选按钮
.table-wrap{/deep/.el-table__header{.el-checkbox{display: none;}}
}
</style>