vue element-ui动态横向统计表格的实现

<el-table
      :data="AllData"
      style="width: 100%">
      <el-table-column
        prop="title"
        label="统计">
      </el-table-column>
      <el-table-column
        v-for="(item,index) in allList"
        :prop="item.key"
        :key="index"
        :label="item.feeName">
      </el-table-column>
      <el-table-column
        prop="join"
        label="合计">
      </el-table-column>
    </el-table>

AllData:[],
allList:[],

setData(){
        //这里请求后台的统计信息，合计可以在我这里进行运算
        var getData = [
          {
            title:'未入账',
            data:[
              {
                feeName:'考试费1',
                num:2001,
              },
              {
                feeName:'考试费2',
                num:2002,
              },
              {
                feeName:'考试费3',
                num:2003,
              },
              {
                feeName:'考试费4',
                num:2004,
              }
            ]
          }
        ]
        for (var i in getData){
          var a = {}
          var b = []
          a['title'] = getData[i].title
          var x = 0
          var join = 0
          getData[i].data.forEach(function (e){
            x+=1
            join+=e.num
            b.push({feeName:e.feeName,key:'num'+x})
            a['num'+x] =  e.num
            a['join'] = join
          })
          this.AllData.push(a)
          this.allList = b
        }
      },

created(){
      this.setData()
    },

.el-table__fixed-right{
    height: 100% !important;
}