How do I traverse an array of objects in an array in el-table?

using the Table component in element-UI, the requirement now is to traverse the array of objects in the array in the second level? 

<el-table :data="applyList" style="width: 100%">
    <el-table-column label="">
        <template slot-scope="scope">
            <div>
                

                    <span>:</span>
                    <span>:</span>
                

                

                    <span>:</span>
                    <span>:</span>
                

                

                    <span>:</span>
                    <span>:</span>
                

                

                    <span>:</span>
                    <span>:</span>
                

            </div>
        </template>
    </el-table-column>
</el-table>

<script>
export default {
  data() {
    return {
      applyList: [],
      courseReportPeopleDtoList: []
    };
  },
  created() {
    this.getApplyList();
  },
  methods: {
    // 
    getApplyList() {
      let param = {
        courseId: this.ruleForm.courseId,
        courseName: this.ruleForm.courseName,
        lecturerName: this.ruleForm.lecturerName,
        page: this.ruleForm.page,
        pageSize: this.ruleForm.pageSize
      };
      this.$http
        .get(this.$api.courseReportDetails, { params: param })
        .then(res => {
          if (res.status == 200) {
            this.applyList = res.data.data.data;
          }
        })
        .catch(err => {
          console.log(err);
        });
    },
  }
};
</script>

data returned by background

clipboard.png

how do I render through the courseReportPeopleDtoList array?

Vue.js
Dec.03,2021

two v-for or you can extract this in then (), that is, the thing of two for loops

extract the courseReportPeopleDtoList array. V-for needs scope.row in the tag before it can be looped, otherwise it will always loop the array one layer up. 

for (let i = 0; i < arr.length; iPP) {
  if(arr[i].courseReportPeopleDtoList) {
    this.courseReportPeopleDtoList = arr[i].courseReportPeopleDtoList
  }

<el-table-column label="">
    <template slot-scope="scope">
        <div v-for="(item, index) in scope.row.courseReportPeopleDtoList" :key="index">
            

                <span>:</span>
                <span>{{ item.name }}</span>
            

            

                <span>:</span>
                <span>{{ item.tel }}</span>
            

            

                <span>:</span>
                <span>{{ item.rerolltime }}</span>
            

            

                <span>:</span>
                <span>{{ item.identity }}</span>
            

        </div>
    </template>
</el-table-column>

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