el-table实现静态和动态合并单元格 以及内容显示的问题

实现效果图

  <el-tablev-loading="loading":data="tableData"style="width: 100%":row-class-name="tableRowClassName"size="small"><el-table-column fixed label="序号" width="50"><el-table-column align="center" width="50"><template slot-scope="scope"><span>{{ scope.$index + 1 }}</span></template></el-table-column></el-table-column><el-table-column fixed label="基本信息" width="420" align="center"><el-table-column label="项目" width="140" align="center"><template slot-scope="scope"><span>{{ scope.row.projectname }}</span></template></el-table-column><el-table-column label="职位" width="160" align="center"><template slot-scope="scope"><span>{{ scope.row.positionname }}</span></template></el-table-column><el-table-column label="姓名" width="120" align="center"><template slot-scope="scope"><span>{{ scope.row.saleusername }}</span></template></el-table-column></el-table-column><el-table-columnv-for="(item, index) in projectBreakUpCpmmandList.projectBreakUpCpmmandList":key="index":label="item.months + '月'"align="center"show-overflow-tooltip><el-table-column label="入住指标（人）" width="140" align="center"><template slot-scope="scope">{{scope.row.projectBreakUpCpmmandList[index].checkingoal}}</template></el-table-column><el-table-columnprop="address"label="完成入住（人）"width="140"align="center"><template slot-scope="scope">{{scope.row.projectBreakUpCpmmandList[index].checkinfinish}}</template></el-table-column><el-table-columnprop="zip"label="回款指标（万元）"width="140"align="center"><template slot-scope="scope">{{scope.row.projectBreakUpCpmmandList[index].backamountgoal}}</template></el-table-column><el-table-columnprop="address"label="完成回款（万元）"width="140"align="center"><template slot-scope="scope">{{scope.row.projectBreakUpCpmmandList[index].backamountfinish}}</template></el-table-column><el-table-columnprop="zip"label="任务完成率"width="140"align="center"><template slot-scope="scope">{{scope.row.projectBreakUpCpmmandList[index].finishrate}}</template></el-table-column></el-table-column></el-table>

// 数据请求getprojectbreakup(filteredFormInline).then((res) => {console.log(res);this.loading = false;if (res.data.length !== 0) {this.tableData = res.data;this.projectBreakUpCpmmandList = res.data[0];} else {this.tableData = [];this.projectBreakUpCpmmandList = [];}
});