Posted in Vue.js onNovember 26, 2020
一.多列合并
1.在el-table中添加:span-method="objectSpanMethod"
属性来控制合并单元格,如下图
2.合并代码,每一列都要设置一个不同的key,这样可以防止合并的时候上下内容一样导致错误的问题
objectSpanMethod({ row, column, rowIndex, columnIndex }) { if (columnIndex === 0) { if (this.myObj[row.channel_type].start === rowIndex) { return { rowspan: this.myObj[row.channel_type].step, colspan: 1 }; } else { return { rowspan: 0, colspan: 0 }; } } if (columnIndex === 1) { if ( this.myObj_two[row.channel_name_chinese + row.channel_type].start === rowIndex ) { return { rowspan: this.myObj_two[row.channel_name_chinese + row.channel_type] .step, colspan: 1 }; } else { return { rowspan: 0, colspan: 0 }; } } }, // 合并单元格第一列 resolveData(arr) { var obj = {}; arr.forEach((val, key) => { if (!obj[val.channel_type]) { obj[val.channel_type] = { start: key, step: 1 }; } else { obj[val.channel_type].step++; } }); this.myObj = obj; console.log(obj); }, // 合并单元格第二列 resolveData_two(arr) { var obj = {}; arr.forEach((val, key) => { if (!obj[val.channel_name_chinese + val.channel_type]) { obj[val.channel_name_chinese + val.channel_type] = { start: key, step: 1 }; } else { obj[val.channel_name_chinese + val.channel_type].step++; } }); this.myObj_two = obj; console.log(this.myObj_two, "this.myObj"); },
3.需要调用一下下面两个函数,data为你所获取的所有数据
this.resolveData_two(data); this.resolveData(data);
4.合并结果如下图
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vue单元格多列合并的实现
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