hac/src/views/static/components/tab-month.vue

<template>
    <div class="bg-white p-2 table_box" >
     
          <el-table :data="tableData" border class="mt-4"    :header-cell-style="headerStyle">
          <el-table-column v-for="item in tableColData"  align="center"
          :prop="item.id"
          :label="item.name"
          :key="item.name"
        
          >
              <el-table-column v-for="item1 in item.children" align="center"
                  :prop="item1.id"
                  :label="item1.name"
                  :key="item1.name">
                 
              </el-table-column>
          </el-table-column>
      </el-table>

                 
   </div>
</template>

<script setup>
import {ref, watch,nextTick} from "vue";

const props = defineProps({
cur: {
  type: [String,Number],
  default: ''
},
})

const tabsKey = ref(props.cur)

//监听
watch(() => [
props.cur,
], ([key]) => {
tabsKey.value = key
console.log(key)
})


const tableData=ref([

{time:'二月',beginremain:'2000'},
{time:'三月',beginremain:'2000'},
{time:'四月',beginremain:'2000'},
{time:'五月',beginremain:'2000'},
{time:'六月',beginremain:'2000'},  
{time:'七月',beginremain:'2000'},
{time:'八月',beginremain:'2000'},
{time:'九月',beginremain:'2000'},
{time:'十月',beginremain:'2000'},
{time:'十一月',beginremain:'2000'},
{time:'十二月',beginremain:'2000'},



])
const tableColData=ref([
  {
    id:'time',
    name: '时间',
    children:[
        {
            id:'time',
            name: '时间',
        }
    ]
  },
  
 {
        id: 'beginremain',
        name: '年初每月收支预算',
        children:[
            {
            id: 'beginremain',
            name: '收入'
            },
            {
            id: 'beginremain',
            name: '支出'
            },
    
        ]
    },
    {
        id: 'beginremain',
        name: '每月计划收支预算',
        children:[
            {
            id: 'beginremain',
            name: '收入'
            },
            {
            id: 'beginremain',
            name: '支出'
            },
    
        ]
    },
    {
        id: 'beginremain',
        name: '实际每月收支',
        children:[
            {
            id: 'beginremain',
            name: '收入'
            },
            {
            id: 'beginremain',
            name: '支出'
            },
    
        ]
    },
    
])
//合并

const headerStyle=({ row, column, rowIndex, columnIndex })=>{
    const comStyle = { backgroundColor: "" };
      // 1.1 让第0行的第0列跨2行
      if (rowIndex === 0 && columnIndex === 0) {
        nextTick(() => {
          document
            .getElementsByClassName(column.id)[0]
            .setAttribute("rowSpan", 2);
          return comStyle;
        });
      }
      // 1.2 被覆盖的进行隐藏
      if (rowIndex === 1 && (columnIndex == 0  )) {
        return {
          display: "none",
          ...comStyle,
        };
      }

      return comStyle;
}


const costcheck=ref('1')
</script>

<style scoped lang="scss">

</style>