Ant Design Vue 表格数据按树型展示

/**
   * 使用递归将数组转为树形结构
   * 父ID属性为parent
   */
  public static array2Tree (array: any, parentId: number) {
    if (Tool.isEmpty(array)) {
      return [];
    }

    const result = [];
    for (let i = 0; i < array.length; i++) {
      const c = array[i];
      // console.log(Number(c.parent), Number(parentId));
      if (Number(c.parent) === Number(parentId)) {
        result.push(c);

        // 递归查看当前节点对应的子节点
        const children = Tool.array2Tree(array, c.id);
        if (Tool.isNotEmpty(children)) {
          c.children = children;
        }
      }
    }
    return result;
  }

<a-table
                    :columns="columns"
                    :row-key="record => record.id"
                    :data-source="level1"
                    :pagination="false"
                    :loading="loading"
            ></a-table>

/**
             * 一级分类树，children属性就是二级分类
             * [{
             *   id: "",
             *   name: "",
             *   children: [{
             *     id: "",
             *     name: "",
             *   }]
             * }]
             */
            const level1 = ref(); // 一级分类树，children属性就是二级分类
            level1.value = [];

= () => {
                loading.value = true;
                axios.get("/category/all").then((response) => {
                    loading.value = false;
                    const data = response.data;
                    if (data.success) {
                        categorys.value = data.content;
                        console.log("原始数组：", categorys.value);

                        level1.value = [];
                        level1.value = Tool.array2Tree(categorys.value, 0);
                        console.log("树形结构：", level1);
                    } else {
                        message.error(data.message);
                    }

                });
            };

return {
                level1,
            }