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| export default { data(){ return { tableData: [{ id: '12987122', name: '王小虎', amount1: '234', amount2: '3.2', amount3: 10 }, { id: '12987123', name: '王小虎', amount1: '165', amount2: '4.43', amount3: 12 }, { id: '12987124', name: '王小虎', amount1: '324', amount2: '1.9', amount3: 9 }, { id: '12987125', name: '王小虎', amount1: '621', amount2: '2.2', amount3: 17 }, { id: '12987126', name: '王小虎', amount1: '539', amount2: '4.1', amount3: 15 }, { id: '12987126', name: '王小虎3', amount1: '539', amount2: '4.1', amount3: 15 }, { id: '12987126', name: '王小虎2', amount1: '539', amount2: '4.1', amount3: 15 }, { id: '12987126', name: '王小虎2', amount1: '539', amount2: '4.1', amount3: 15 }], needMergeArr: ['name', 'id'], rowMergeArrs: {}, }; }, methods:{
arraySpanMethod({ row, column, rowIndex, columnIndex }) { if (column.property === 'name') return this.mergeAction('name', rowIndex, column); if (column.property === 'id') return this.mergeAction('id', rowIndex, column); },
mergeAction(val, rowIndex, colData) { let _row = this.rowMergeArrs[val].rowArr[rowIndex]; let _col = _row > 0 ? 1 : 0; return [_row, _col]; },
rowMergeHandle(arr, data) { if (!Array.isArray(arr) && !arr.length) return false; if (!Array.isArray(data) && !data.length) return false; let needMerge = {}; arr.forEach(i => { needMerge[i] = { rowArr: [], rowMergeNum: 0 }; data.forEach((item, index) => { if (index === 0) { needMerge[i].rowArr.push(1); needMerge[i].rowMergeNum = 0; } else { if (item[i] === data[index - 1][i]) { needMerge[i].rowArr[needMerge[i].rowMergeNum] += 1; needMerge[i].rowArr.push(0); } else { needMerge[i].rowArr.push(1); needMerge[i].rowMergeNum = index; } } }); }); return needMerge; } } }, mounted(){ this.rowMergeArrs = this.rowMergeHandle(this.needMergeArr, this.tableData); } }
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