el-table动态合并

废话就不多说了，直接上代码！！！

合并行

html 复制代码

// 方法一
<template>
  <div class="container">
    <el-table :data="dataSource" :border="true"
      :header-cell-style="{ 'font-weight': 'normal', 'text-align': 'center' }"
      :cell-style="{ 'text-align': 'center' }" size="mini" style="width: 100%" :span-method="arraySpanMethod">
      <el-table-column type="index" label="序号" width="100"></el-table-column>
      <el-table-column prop="product_name" label="辅助"></el-table-column>
      <el-table-column prop="cap_name" label="法师"></el-table-column>
      <el-table-column prop="name" label="刺客"></el-table-column>
      <el-table-column prop="name1" label="坦克"></el-table-column>
      <el-table-column prop="name2" label="射手"></el-table-column>
    </el-table>
  </div>
</template>
<script>
export default {
  name: 'tableCom',
  data () {
    return {
      dataSource: [{
        product_name: '姜子牙',
        cap_name: '诸葛亮',
        name: '韩信',
        name1: '程咬金',
        name2: '狄仁杰'
      },
      {
        product_name: '蔡文姬',
        cap_name: '妲己',
        name: '孙悟空',
        name1: '廉颇',
        name2: '后裔'
      },
      {
        product_name: '蔡文姬',
        cap_name: '貂蝉',
        name: '橘右京',
        name1: '橘右京',
        name2: '孙尚香'
      },
      {
        product_name: '大桥',
        cap_name: '西施',
        name: '赵云',
        name1: '刘禅',
        name2: '刘禅'
      }]
    }
  },
  methods: {
    arraySpanMethod ({ row, column, rowIndex, columnIndex }) {
      // 合并行  产品名字相同合并
      if (columnIndex === 1) {
        if (rowIndex === 0 || row.product_name !== this.dataSource[rowIndex - 1].product_name) {
          let rowspan = 0
          this.dataSource.forEach(element => {
            if (element.product_name === row.product_name) {
              rowspan++
            }
          })
          return [rowspan, 1]
        } else {
          return [0, 0]
        }
      }
    }
  },
  created () {

  }
}
</script>

html 复制代码

// 方法二
<template>
  <div class="container">
    <el-table :data="tableData" :border="true"
      :header-cell-style="{ 'font-weight': 'normal', 'text-align': 'center' }"
      :cell-style="{ 'text-align': 'center' }" size="mini" style="width: 100%" :span-method="handleSpanMethod">
      <el-table-column type="index" label="序号" width="100"></el-table-column>
      <el-table-column prop="product_name" label="辅助"></el-table-column>
      <el-table-column prop="cap_name" label="法师"></el-table-column>
      <el-table-column prop="name" label="刺客"></el-table-column>
      <el-table-column prop="name1" label="坦克"></el-table-column>
      <el-table-column prop="name2" label="射手"></el-table-column>
    </el-table>
  </div>
</template>
<script>
export default {
  name: 'tableCom',
  data () {
    return {
      tableData: [{
        product_name: '姜子牙',
        cap_name: '诸葛亮',
        name: '韩信',
        name1: '程咬金',
        name2: '狄仁杰'
      },
      {
        product_name: '蔡文姬',
        cap_name: '妲己',
        name: '孙悟空',
        name1: '廉颇',
        name2: '后裔'
      },
      {
        product_name: '蔡文姬',
        cap_name: '貂蝉',
        name: '橘右京',
        name1: '橘右京',
        name2: '孙尚香'
      },
      {
        product_name: '大桥',
        cap_name: '貂蝉',
        name: '赵云',
        name1: '刘禅',
        name2: '刘禅'
      }]
    }
  },
  methods: {
    handleSpanMethod ({ row, column, rowIndex }) {
      if (column.property === 'product_name' || column.property === 'cap_name') {
        // 获取当前行与上一行的属性值
        const currentProperty = row[column.property]
        const previousProperty = rowIndex > 0 ? this.tableData[rowIndex - 1][column.property] : null

        // 判断当前行与上一行的属性值是否相同
        if (currentProperty === previousProperty) {
          return {
            rowspan: 0, // 与上一行相同的属性值，设置跨行数为0，即不显示
            colspan: 1 // 不进行跨列
          }
        }

        // 查找后续行是否与当前行的属性值相同
        let rowspan = 1
        for (let i = rowIndex + 1; i < this.tableData.length; i++) {
          if (this.tableData[i][column.property] === currentProperty) {
            rowspan++
          } else {
            break
          }
        }

        return {
          rowspan: rowspan, // 跨行数为相同属性值的行数
          colspan: 1 // 不进行跨列
        }
      }
    }
  },
  created () {

  }
}
</script>

效果图：

合并列：

html 复制代码

<template>
  <div class="container">
    <el-table :data="dataSource" :border="true"
      :header-cell-style="{ 'font-weight': 'normal', 'text-align': 'center' }"
      :cell-style="{ 'text-align': 'center' }" size="mini" style="width: 100%" :span-method="arraySpanMethod">
      <el-table-column type="index" label="序号" width="100"></el-table-column>
      <el-table-column prop="product_name" label="辅助"></el-table-column>
      <el-table-column prop="cap_name" label="法师"></el-table-column>
      <el-table-column prop="name" label="刺客"></el-table-column>
      <el-table-column prop="name1" label="坦克"></el-table-column>
      <el-table-column prop="name2" label="射手"></el-table-column>
    </el-table>
  </div>
</template>
<script>
export default {
  name: 'tableCom',
  data () {
    return {
      dataSource: [{
        product_name: '姜子牙',
        cap_name: '诸葛亮',
        name: '韩信',
        name1: '程咬金',
        name2: '狄仁杰'
      },
      {
        product_name: '蔡文姬',
        cap_name: '妲己',
        name: '孙悟空',
        name1: '廉颇',
        name2: '后裔'
      },
      {
        product_name: '蔡文姬',
        cap_name: '貂蝉',
        name: '橘右京',
        name1: '橘右京',
        name2: '孙尚香'
      },
      {
        product_name: '大桥',
        cap_name: '西施',
        name: '赵云',
        name1: '刘禅',
        name2: '刘禅'
      }]
    }
  },
  methods: {
    arraySpanMethod ({ row, column, rowIndex, columnIndex }) {
      // 合并列 名称值都为"橘右京"、"刘禅" 的合并
      if (columnIndex > 2) {
        let colspan = 0
        const colkeys = Object.keys(row)
        const currentindex = columnIndex - 1
        if (row[colkeys[currentindex]] === '橘右京' || row[colkeys[currentindex]] === '刘禅') {
          if (row[colkeys[currentindex - 1]] !== row[colkeys[currentindex]]) {
            for (let i = currentindex; i < colkeys.length; i++) {
              if (row[colkeys[i]] === '橘右京' || row[colkeys[i]] === '刘禅') {
                colspan++
              } else {
                break
              }
            }
            return [1, colspan]
          } else {
            return [0, 0]
          }
        }
      }
    }
  },
  created () {

  }
}
</script>