博客

<el-tree
  node-key="id"
  :default-expanded-keys="[1]"
  :data="treeData3"
  :props="defaultProps"
  :load="loadNodeFn"
  lazy
  @node-click="
    (data, node, item) =>
      handleNodeClick(data, node, item, '清单发布单位')
  "
></el-tree>

treeData3: [
        // {
        //   id: 1,
        //   name: "清单发布单位",
        //   child: [],
        // },
      ],
defaultProps: {
  children: "child",
  label: "name",
},

// tree 懒加载
    loadNodeFn(node, resolve) {
      console.log('111111111111111111111111',node,node.level, resolve);
      this.getOfficeTreeSearch(node, resolve);
    },
    async getOfficeTreeSearch(node, resolve, val) {
      let codes = null;
      if (node&&node.level&&node.level !== 0 ) {
        codes = node.data.code;
      } else {
        codes = this.$store.getters.userInfo?.office.code;
      }
      let params = {
        code: codes,
        type: this.typeTip,
      };
      let res = await getOfficeTreeSearch(params);
      if (res.code == "200") {
        res.data.forEach((it) => {
          it.tagsName = `单位:${it.name}`;
          it.titleName = `单位`;
          it.label = `${it.name}(${it.number})`;
          it.names = it.name;
          it.name = `${it.name}(${it.number})`;
        });
        if(resolve){
          resolve(res.data);
        }
      }
    },