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:

                                                                    
              取消选择     
   

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: