代码

Index.vue页面

  methods: {
    /** 查询会议列表 */
    getList() {
      // this.loading = true;
      listMeeting(this.queryParams).then(response => {
        this.meetingList = response.rows
        this.total = response.total
        this.loading = false
      })
      //后端请求树形数据
      listNoPage().then(response => {
        console.log(response.data)
        this.deptOptions = this.handleTree(response.data, 'id')
        console.log(this.deptOptions)
      })
    },
    

export default {
  name: 'Meeting',
  dicts: ['charge', 'meeting_materials', 'metting_type'],
  components: {
    Add
  },
  data() {
    return {
      isShowList: true,
	//定义变量
      deptOptions: [],



  <!-- 负责将数据传过去   -->
    <Add ref="addRef" :subjectTypeData="deptOptions" @updateShowList="updateShowList"></Add>
  </div>
</template>


<!--引入add.vue页面-->
<script>
import { listMeeting, getMeeting, delMeeting, addMeeting, updateMeeting, listNoPage } from '@/api/ykh/meeting'
import Add from './add.vue'
import { listDept } from '@/api/system/dept'

export default {
  name: 'Meeting',
  dicts: ['charge', 'meeting_materials', 'metting_type'],
  components: {
    Add
  },

add.vue界面

export default {
  name: 'Meeting',
  dicts: ['charge', 'meeting_materials', 'metting_type', 'materials_type', 'texture_type', 'meeting_tool', 'relation_type'],
  props: {
    subjectTypeData: {
      type: Array,
      default: null
    }
  },
  <!--引入Treeselect -->
  components: { Treeselect },

<!-- 下拉框-->
  <el-col :span="8" v-if="form.parentId !== 0">
              <el-form-item label="主体类型">
                <treeselect v-model="form.subjectType"
                            :options="subjectTypeData"
                            :normalizer="normalizer"
                            placeholder="选择主题类型"
                            style="width: 200px"
                />
              </el-form-item>


    /** 转换数据结构 展示以及传递数据 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.typeName,
        label: node.typeName,
        children: node.children
      }
    },

<!--引入Treeselect -->
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

后端接口

export function listNoPage() {
  return request({
    url: '/ykh/type/listNoPage',
    method: 'get'
  })
}


    /**
     * 查询会议类型列表 全部  里面必须包含ParentId
     */
    @ApiOperation("查询会议类型列表")
    @PreAuthorize("@ss.hasPermi('ykh:type:list')")
    @GetMapping("/listNoPage")
    public AjaxResult listNoPage(YkhMeetingType ykhMeetingType) {
        List<YkhMeetingType> list = ykhMeetingTypeService.selectYkhMeetingTypeList(ykhMeetingType);
        return AjaxResult.success(list);
    }