vue2

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<template>
  <tvue-crud :data="data"
             :option="option"
             :span-method="spanMethod"></tvue-crud>
</template>

<script setup>
import { ref, onMounted } from 'vue';

const data = ref([
  {
    name: '王小虎',
    sex: '男',
    grade: '级别1',
    amount1: '234',
    amount2: '3.2',
    amount3: 10
  },
  {
    name: '王小虎',
    sex: '男',
    grade: '级别2',
    amount1: '165',
    amount2: '4.43',
    amount3: 12
  }, {
    name: '王三虎',
    sex: '女',
    grade: '级别2',
    amount1: '539',
    amount2: '4.1',
    amount3: 15
  }, {
    name: '王三虎',
    sex: '女',
    grade: '级别1',
    amount1: '539',
    amount2: '4.1',
    amount3: 15
  },
  {
    name: '王小虎',
    sex: '男',
    grade: '级别3',
    amount1: '324',
    amount2: '1.9',
    amount3: 9
  },
  {
    name: '王小虎',
    sex: '女',
    grade: '级别1',
    amount1: '621',
    amount2: '2.2',
    amount3: 17
  },
  {
    name: '王小虎',
    sex: '女',
    grade: '级别1',
    amount1: '539',
    amount2: '4.1',
    amount3: 15
  },
  {
    name: '王大虎',
    sex: '男',
    grade: '级别2',
    amount1: '539',
    amount2: '4.1',
    amount3: 15
  }, {
    name: '王小虎',
    sex: '男',
    grade: '级别1',
    amount1: '539',
    amount2: '4.1',
    amount3: 15
  }, {
    name: '王大虎',
    sex: '女',
    grade: '级别2',
    amount1: '539',
    amount2: '4.1',
    amount3: 15
  }
]);
const option = ref({
  border: true,
  column: [
    { label: '姓名', prop: 'name' },
    { label: '年龄', prop: 'sex' },
    { label: '数值 1', prop: 'amount1' },
    { label: '数值 2', prop: 'amount2' },
    { label: '数值 3', prop: 'amount3' },
    { label: '权限', prop: 'grade' }
  ]
});
const spanArr = ref([
  { prop: 'name', span: [] },
  { prop: 'sex', span: [] },
  { prop: 'grade', span: [] }
]);

const rowCalc = () => {
  spanArr.value.forEach((ele, index) => {
    let parent;
    if (index !== 0) parent = spanArr.value[ele.parent || index - 1].span;
    ele.span = rowSpan(ele.prop, parent);
  });
};

const rowSort = () => {
  let propList = spanArr.value.map(ele => ele.prop);
  spanArr.value.forEach((ele, index) => {
    let key = ele.prop;
    data.value = data.value.sort((a, b) => {
      let flag = true;
      for (let i = 0; i < index; i++) {
        let prop = spanArr.value[i].prop;
        flag = flag && a[prop] == b[prop];
      }
      if (flag) {
        if (a[key] < b[key]) { return 1; }
        else if (a[key] > b[key]) { return -1; }
        return 0;
      }
      return 0;
    });
  });
};

const rowSpan = (key, parent) => {
  let list = [];
  let position = 0;
  data.value.forEach((item, index) => {
    if (index === 0) {
      list.push(1);
      position = 0;
    } else {
      if (data.value[index][key] === data.value[index - 1][key]) {
        if (parent && parent[index] !== 0) {
          list.push(1);
          position = index;
        } else {
          list[position] += 1;
          list.push(0);
        }
      } else {
        list.push(1);
        position = index;
      }
    }
  });
  return list;
};

const spanMethod = ({ row, column, rowIndex, columnIndex }) => {
  for (let i = 0; i < spanArr.value.length; i++) {
    const ele = spanArr.value[i];
    if (column.property == ele.prop) {
      const _row = ele.span[rowIndex];
      const _col = _row > 0 ? 1 : 0;
      return { rowspan: _row, colspan: _col };
    }
  }
};

onMounted(() => {
  rowSort();
  rowCalc();
});
</script>