Vue ELement Table技巧表格业务需求实战示例

<div v-loading="loading">
      <el-table :span-method="objectSpanMethod" class="unbound-table" ref="cateTable" :data="tbldata.content" header-row-class-name="custom-table-header-color_default">
        <el-table-column v-for="col in tableColumns" :key="col.name" :prop="col.name" :label="col.label" :width="col.width">
          <template slot-scope="scope">
            <div v-if="col.name === 'action'" style="text-align: center" class="action-list">
              <el-button v-permission="['admin_add_stdproduct']" type="primary" @click="handleImport(scope.row)">导入标准产品库</el-button>
            </div>
            <span v-else> {{ scope.row[col.name] }} </span>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <div class="pagination-container">
        <el-pagination layout="prev, pager, next" @current-change="loadTable" :current-page.sync="pageable.page" :page-size="pageable.size" :total="tbldata.total" v-if="tbldata.total"></el-pagination>
      </div>
    </div>

data(){
    return{
      spanArr:[],
      position:0
    }
}
//表格合同方法 --- 此处只合并了第一列
objectSpanMethod({ row, column, rowIndex, columnIndex }){
    if (columnIndex === 0) {
      const _row = this.spanArr[rowIndex];
      const _col = _row > 0 ? 1 : 0;
      return {
        rowspan: _row,
        colspan: _col
      };
    }
  },
//筛出行里面相同的数据的index  并组装进数组--------请求完表格数据后调用一下这个方法
 rowspan() {
    this.spanArr = []
    this.tableData.forEach((item, index) => {
      if (index === 0) {
        this.spanArr.push(1);
        this.position = 0;
      } else {
        if (this.tableData[index].code=== this.tableData[index - 1].code) {
          this.spanArr[this.position] += 1;
          this.spanArr.push(0);
        } else {
          this.spanArr.push(1);
          this.position = index;
        }
      }
    });
  },

.el-table ::v-deep tbody tr:hover > td {
  background-color: transparent;
}
.el-table ::v-deep tbody tr td {
  border-bottom: 1px solid #d6d6d6;
}

let arr = [
{regulationsId: 5172, title: "测试111标题2 ", type: 610, state: 1, createdTime: 1530152467000},
{regulationsId: 5169, title: "测试111标题", type: 610, state: 1, createdTime: 1530085573000},
{regulationsId: 5170, title: "测试123标题", type: 609, state: 1, createdTime: 1530085687000},
{regulationsId: 5171, title: "测试1122标题", type: 608, state: 1, createdTime: 1530085750000}
];
//获取数组中有多少个type
let types = [];
arr.map((item, index) => {
    if(types.indexOf(item.type) === -1){
    types.push(item.type)
    }
})
//一个包含多个list的结果对象
let obj = [];
    // 根据type生成多个数组
    types.map((typeItem, typeIndex) => {
    arr.map((arrItem, arrIndex) => {
        if(arrItem.type == typeItem){
        obj[typeIndex] = obj[typeIndex] || [];
        obj[typeIndex].push(arrItem)
        }
    })
})