文档：增加功能列表

后端 + 前端：完善展示分类功能
2019-05-05 20:19:38 +08:00 · 2019-05-05 20:19:38 +08:00 · dcc58fbba4
parent 83a3689088
commit dcc58fbba4
9 changed files with 480 additions and 276 deletions
--- a/admin-web/src/components/Image/PicturesWall.js
+++ b/admin-web/src/components/Image/PicturesWall.js
@ -27,6 +27,12 @@ class PicturesWall extends React.Component {
    ],
  };

+  componentDidMount() {
+    if (this.props.urls) {
+      this.setUrls(this.props.urls);
+    }
+  }
+
  handleCancel = () => this.setState({ previewVisible: false })

  handlePreview = (file) => {
@ -137,6 +143,14 @@ class PicturesWall extends React.Component {
    return urls;
  };

+  getUrl = () => {
+    let urls = this.getUrls();
+    if (urls && urls.length > 0) {
+      return urls[0];
+    }
+    return undefined;
+  };
+
  setUrls = (urls) => {
    // let urls = this.props.urls;
    if (urls) {
@ -188,7 +202,7 @@ class PicturesWall extends React.Component {

 PicturesWall.propTypes = {
  maxLength: Number, // 最大照片墙图片数量
-  // urls: String[],  // 初始图片列表
+  urls: Array,  // 初始图片列表
 };

 export default PicturesWall;
--- a/admin-web/src/models/admin/adminList.js
+++ b/admin-web/src/models/admin/adminList.js
@ -69,7 +69,6 @@ export default {
      });
    },
    * add({ payload }, { call, put }) {
-      const { callback, body } = payload;
      // 显示加载中
      yield put({
        type: 'changeModalLoading',
@ -77,6 +76,7 @@ export default {
      });

      // 请求
+      const { callback, body } = payload;
      const response = yield call(addAdmin, body);
      // 响应
      if (response.code === 0) {
--- a/admin-web/src/models/product/productCategoryList.js
+++ b/admin-web/src/models/product/productCategoryList.js
@ -5,61 +5,129 @@ export default {
  namespace: 'productCategoryList',

  state: {
+    // 分页列表相关
    list: [],
+    listLoading: false,
+
+    // 添加 or 修改表单相关
+    modalVisible: false,
+    modalType: undefined, // 'add' or 'update' 表单
+    formVals: {}, // 当前表单值
+    modalLoading: false,
+
  },

  effects: {
-    *add({ payload }, { call, put }) {
-      const { callback, body } = payload;
-      const response = yield call(productCategoryAdd, body);
-      if (callback) {
-        callback(response);
-      }
-      yield put({
-        type: 'tree',
-        payload: {},
-      });
-    },
-    *update({ payload }, { call, put }) {
-      const { callback, body } = payload;
-      const response = yield call(productCategoryUpdate, body);
-      if (callback) {
-        callback(response);
-      }
-      yield put({
-        type: 'tree',
-        payload: {},
-      });
-    },
-    *updateStatus({ payload }, { call, put }) {
-      const { callback, body } = payload;
-      const response = yield call(productCategoryUpdateStatus, body);
-      if (callback) {
-        callback(response);
-      }
-      yield put({
-        type: 'tree',
-        payload: {},
-      });
-    },
-    *delete({ payload }, { call, put }) {
-      const response = yield call(productCategoryDelete, payload);
-      message.info('删除成功!');
-      yield put({
-        type: 'tree',
-        payload: {},
-      });
-    },
+    // 查询列表
    *tree({ payload }, { call, put }) {
+      // 显示加载中
+      yield put({
+        type: 'changeListLoading',
+        payload: true,
+      });
+
+      // 请求
      const { queryParams } = payload;
+      // 响应
      const response = yield call(productCategoryTree, queryParams);
-      message.info('查询成功!');
      yield put({
        type: 'treeSuccess',
        payload: {
          list: response.data,
        },
      });
+
+      // 隐藏加载中
+      yield put({
+        type: 'changeListLoading',
+        payload: false,
+      });
+    },
+    *add({ payload }, { call, put }) {
+      // 显示加载中
+      yield put({
+        type: 'changeModalLoading',
+        payload: true,
+      });
+
+      // 请求
+      const { callback, body } = payload;
+      const response = yield call(productCategoryAdd, body);
+      // 响应
+      if (response.code === 0) {
+        if (callback) {
+          callback(response);
+        }
+        // 刷新列表
+        yield put({
+          type: 'tree',
+          payload: {},
+        });
+      }
+
+      // 隐藏加载中
+      yield put({
+        type: 'changeModalLoading',
+        payload: false,
+      });
+    },
+    *update({ payload }, { call, put }) {
+      // 显示加载中
+      yield put({
+        type: 'changeModalLoading',
+        payload: true,
+      });
+
+      // 请求
+      const { callback, body } = payload;
+      const response = yield call(productCategoryUpdate, body);
+      // 响应
+      if (response.code === 0) {
+        if (callback) {
+          callback(response);
+        }
+        // 刷新列表
+        yield put({
+          type: 'tree',
+          payload: {},
+        });
+      }
+
+      // 隐藏加载中
+      yield put({
+        type: 'changeModalLoading',
+        payload: false,
+      });
+    },
+    *updateStatus({ payload }, { call, put }) {
+      // 请求
+      const { callback, body } = payload;
+      // 响应
+      const response = yield call(productCategoryUpdateStatus, body);
+      if(response.code === 0) {
+        message.info('更新状态成功!');
+        if (callback) {
+          callback(response);
+        }
+        yield put({
+          type: 'tree',
+          payload: {},
+        });
+      }
+    },
+    *delete({ payload }, { call, put }) {
+      // 响应
+      const response = yield call(productCategoryDelete, payload);
+      if(response.code === 0) {
+        message.info('删除成功!');
+        if (callback) {
+          callback(response);
+        }
+        yield put({
+          type: 'tree',
+          payload: {},
+        });
+      }
    },
  },

@ -70,5 +138,25 @@ export default {
        ...payload,
      };
    },
+    // 修改加载中的状态
+    changeModalLoading(state, { payload }) {
+      return {
+        ...state,
+        modalLoading: payload,
+      };
+    },
+    changeListLoading(state, { payload }) {
+      return {
+        ...state,
+        listLoading: payload,
+      };
+    },
+    // 设置所有属性
+    setAll(state, { payload }) {
+      return {
+        ...state,
+        ...payload,
+      };
+    }
  },
 };
--- a/admin-web/src/pages/Admin/AdminList.js
+++ b/admin-web/src/pages/Admin/AdminList.js
@ -213,7 +213,7 @@ const AddOrUpdateForm = Form.create()(props => {
              // 清空表单
              form.resetFields();
              // 提示
-              message.success('添加成功');
+              message.success('新建成功');
              // 关闭弹窗
              handleModalVisible();
            },
@ -232,7 +232,7 @@ const AddOrUpdateForm = Form.create()(props => {
              // 清空表单
              form.resetFields();
              // 提示
-              message.success('更新成功');
+              message.success('编辑成功');
              // 关闭弹窗
              handleModalVisible();
            },
@ -242,7 +242,7 @@ const AddOrUpdateForm = Form.create()(props => {
    });
  };

-  const title = modalType === 'add' ? '新建管理员' : '更新管理员';
+  const title = modalType === 'add' ? '新建员工' : '更新员工';
  return (
    <Modal
      destroyOnClose
@ -389,11 +389,6 @@ const RoleAssignModal = Form.create()(props => {
 // 主界面
@Form.create()
 class AdminList extends PureComponent {
-  state = {
-    // 分配角色弹窗
-    modalRoleVisible: false,
-    modalRoleRow: {},
-  };

  componentDidMount() {
    const { dispatch } = this.props;
@ -461,6 +456,7 @@ class AdminList extends PureComponent {
      dispatch,
      handleModalVisible: this.handleModalVisible, // Function
    };
+
    // 分配角色 Modal 属性
    const roleAssignModal = {
      loading: roleAssignLoading,
@ -485,7 +481,7 @@ class AdminList extends PureComponent {
                type="primary"
                onClick={() => this.handleModalVisible(true, 'add', {})}
              >
-                新建管理员
+                新建员工
              </Button>
            </div>
          </div>
--- a/admin-web/src/pages/Product/ProductCategoryList.js
+++ b/admin-web/src/pages/Product/ProductCategoryList.js
@ -3,156 +3,31 @@
 import React, { PureComponent, Fragment } from 'react';
 import { connect } from 'dva';
 import moment from 'moment';
-import {Card, Form, Input, Select, Button, Modal, message, Table, Divider, InputNumber} from 'antd';
+import {Card, Form, Input, Select, Button, Modal, message, Table, Divider, InputNumber, TreeSelect, Spin} from 'antd';
 import PageHeaderWrapper from '@/components/PageHeaderWrapper';

 import styles from './ProductCategoryList.less';
+import PicturesWall from "../../components/Image/PicturesWall";

 const FormItem = Form.Item;
 const { Option } = Select;
 const status = ['未知', '开启', '禁用'];

-// 添加 form 表单
-const CreateForm = Form.create()(props => {
-  const { modalVisible, form, handleAdd, handleModalVisible, modalType, initValues } = props;
-
-  const okHandle = () => {
-    form.validateFields((err, fieldsValue) => {
-      if (err) return;
-      form.resetFields();
-      handleAdd({
-        fields: fieldsValue,
-        modalType,
-        initValues,
-      });
-    });
-  };
-
-  const selectStyle = {
-    width: 200,
-  };
-
-  const title = modalType === 'add' ? '添加一个 Resource' : '更新一个 Resource';
-  const okText = modalType === 'add' ? '添加' : '更新';
-  return (
-    <Modal
-      destroyOnClose
-      title={title}
-      visible={modalVisible}
-      onOk={okHandle}
-      okText={okText}
-      onCancel={() => handleModalVisible()}
-    >
-      <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="分类名">
-        {form.getFieldDecorator('name', {
-          rules: [{ required: true, message: '请输入分类名！', min: 2 }],
-          initialValue: initValues.name,
-        })(<Input placeholder="请输入" />)}
-      </FormItem>
-      <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="分类图片">
-        {form.getFieldDecorator('picUrl', {
-          initialValue: initValues.handler,
-        })(<Input placeholder="请输入" />)}
-      </FormItem>
-      <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="父分类编号">
-        {form.getFieldDecorator('pid', {
-          rules: [{ required: true, message: '请输入父分类编号！' }],
-          initialValue: initValues.pid,
-        })(<Input placeholder="请输入" />)}
-      </FormItem>
-      <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="排序值">
-        {form.getFieldDecorator('sort', {
-          rules: [{ required: true, message: '请输入排序值！' }],
-          initialValue: initValues.sort,
-        })(<InputNumber placeholder="请输入" />)}
-      </FormItem>
-      <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="描述">
-        {form.getFieldDecorator('description', {
-          rules: [{ required: true, message: '请输入描述！' }],
-          initialValue: initValues.description,
-        })(<Input.TextArea placeholder="请输入" />)}
-      </FormItem>
-    </Modal>
-  );
-});
-
-@connect(({ productCategoryList, loading }) => ({
-  productCategoryList,
-  list: productCategoryList.list,
-  loading: loading.models.productCategoryList,
-}))
-@Form.create()
-class ProductCategoryList extends PureComponent {
-  state = {
-    modalVisible: false,
-    modalType: 'add', //add update
-    initValues: {},
-  };
-
-  componentDidMount() {
-    const { dispatch } = this.props;
-    dispatch({
-      type: 'productCategoryList/tree',
-      payload: {},
-    });
-  }
-
-  handleModalVisible = (flag, modalType, initValues) => {
-    this.setState({
-      modalVisible: !!flag,
-      initValues: initValues || {},
-      modalType: modalType || 'add',
-    });
-  };
-
-  handleAdd = ({ fields, modalType, initValues }) => {
-    const { dispatch } = this.props;
-    if (modalType === 'add') {
-      dispatch({
-        type: 'productCategoryList/add',
-        payload: {
-          body: {
-            ...fields,
-          },
-          callback: () => {
-            message.success('添加成功');
-            this.handleModalVisible();
-          },
-        },
-      });
-    } else {
-      dispatch({
-        type: 'productCategoryList/update',
-        payload: {
-          body: {
-            ...initValues,
-            ...fields,
-          },
-          callback: () => {
-            message.success('更新成功');
-            this.handleModalVisible();
-          },
-        },
-      });
-    }
-  };
-
-  handleStatus(row) {
-    const { dispatch, data } = this.props;
-
-    const title = row.status === 1 ? '确认禁用？' : '确认开启？';
-    const updateStatus = row.status === 1 ? 2 : 1;
+// 列表
+function List({ dataSource, loading, dispatch,
+                handleModalVisible}) {

+  function handleStatus(record) {
    Modal.confirm({
-      title: `${title}`,
-      content: `${row.name}`,
+      title: record.status === 1 ? '确认禁用？' : '确认开启？',
+      content: `${record.name}`,
      onOk() {
        dispatch({
          type: 'productCategoryList/updateStatus',
          payload: {
            body: {
-              id: row.id,
-              status: updateStatus,
+              id: record.id,
+              status: record.status === 1 ? 2 : 1,
            }
          },
        });
@ -161,16 +36,15 @@ class ProductCategoryList extends PureComponent {
    });
  }

-  handleDelete(row) {
-    const { dispatch } = this.props;
+  function handleDelete(record) {
    Modal.confirm({
      title: `确认删除?`,
-      content: `${row.displayName}`,
+      content: `${record.name}`,
      onOk() {
        dispatch({
          type: 'productCategoryList/delete',
          payload: {
-            id: row.id,
+            id: record.id,
          },
        });
      },
@ -178,29 +52,18 @@ class ProductCategoryList extends PureComponent {
    });
  }

-  render() {
-    const { list } = this.props;
-    const { modalVisible, modalType, initValues } = this.state;
-    const parentMethods = {
-      handleAdd: this.handleAdd,
-      handleModalVisible: this.handleModalVisible,
-      modalType,
-      initValues,
-    };
-    const that = this;
-
  const columns = [
+    // {
+    //   title: 'id',
+    //   dataIndex: 'id',
+    //   render: text => <strong>{text}</strong>,
+    // },
    {
-        title: 'id',
-        dataIndex: 'id',
-        render: text => <strong>{text}</strong>,
-      },
-      {
-        title: '分类名',
+      title: '分类名称',
      dataIndex: 'name',
    },
    {
-        title: '分类图片',
+      title: '图片',
      dataIndex: 'picUrl',
      render(val) {
        return <img width={120} src={val} />;
@ -210,11 +73,6 @@ class ProductCategoryList extends PureComponent {
      title: '排序值',
      dataIndex: 'sort',
    },
-      {
-        title: '创建时间',
-        dataIndex: 'createTime',
-        render: val => <span>{moment(val).format('YYYY-MM-DD')}</span>,
-      },
    {
      title: '状态',
      dataIndex: 'status',
@ -226,15 +84,20 @@ class ProductCategoryList extends PureComponent {
      title: '描述',
      dataIndex: 'description',
    },
+    {
+      title: '创建时间',
+      dataIndex: 'createTime',
+      render: val => <span>{moment(val).format('YYYY-MM-DD')}</span>,
+    },
    {
      title: '操作',
      render: (text, record) => {
        const statusText = record.status === 1 ? '禁用' : '开启';
        return (
          <Fragment>
-              <a onClick={() => this.handleModalVisible(true, 'update', record)}>更新</a>
+            <a onClick={() => handleModalVisible(true, 'update', record)}>编辑</a>
            <Divider type="vertical"/>
-              <a className={styles.tableDelete} onClick={() => this.handleStatus(record)}>
+            <a className={styles.tableDelete} onClick={() => handleStatus(record)}>
              {statusText}
            </a>

@ -242,7 +105,7 @@ class ProductCategoryList extends PureComponent {
              record.status === 2 ? (
                <span>
                    <Divider type="vertical"/>
-                    <a className={styles.tableDelete} onClick={() => this.handleDelete(record)}>
+                    <a className={styles.tableDelete} onClick={() => handleDelete(record)}>
                      删除
                    </a>
                  </span>
@ -254,6 +117,203 @@ class ProductCategoryList extends PureComponent {
    },
  ];

+  return (
+    <Table
+      defaultExpandAllRows={true}
+      columns={columns}
+      loading={loading}
+      rowKey="id"
+      dataSource={dataSource}  />
+  )
+}
+
+// 新建 form 表单
+const AddOrUpdateForm = Form.create()(props => {
+  const { dispatch, loading, modalVisible, form, handleModalVisible, modalType, categoryTree, formVals } = props;
+  let picturesWall = null;
+
+  const okHandle = () => {
+    form.validateFields((err, fields) => {
+      if (err) return;
+      if (modalType === 'add') {
+        dispatch({
+          type: 'productCategoryList/add',
+          payload: {
+            body: {
+              ...fields,
+              picUrl: picturesWall ? picturesWall.getUrl() : undefined,
+            },
+            callback: () => {
+              // 清空表单
+              form.resetFields();
+              // 提示
+              message.success('新建成功');
+              // 关闭弹窗
+              handleModalVisible();
+            },
+          },
+        });
+      } else {
+        dispatch({
+          type: 'productCategoryList/update',
+          payload: {
+            body: {
+              ...formVals,
+              ...fields,
+              picUrl: picturesWall ? picturesWall.getUrl() : undefined,
+            },
+            callback: () => {
+              // 清空表单
+              form.resetFields();
+              // 提示
+              message.success('编辑成功');
+              // 关闭弹窗
+              handleModalVisible();
+            },
+          },
+        });
+      }
+    });
+  };
+
+  function onPidChange(value) {
+    formVals.pid = parseInt(value);
+  }
+
+  // 处理分类筛选
+  const buildSelectTree = (list) => {
+    return list.map(item => {
+      let children = [];
+      // if (item.children) { // 暂时不允许添加二级分类。
+      //   children = buildSelectTree(item.children);
+      // }
+      return {
+        title: item.name,
+        value: item.id,
+        key: item.id,
+        children,
+      };
+    });
+  };
+  let categoryTreeSelect = buildSelectTree(categoryTree);
+  categoryTreeSelect.unshift({
+    title: '无父分类',
+    value: 0,
+    key: 0,
+    children: [],
+  });
+
+  const title = modalType === 'add' ? '新建分类' : '编辑分类';
+  const okText = modalType === 'add' ? '新建' : '编辑';
+  return (
+    <Modal
+      destroyOnClose
+      title={title}
+      visible={modalVisible}
+      onOk={okHandle}
+      okText={okText}
+      onCancel={() => handleModalVisible()}
+    >
+      <Spin spinning={loading}>
+        <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="分类名称">
+          {form.getFieldDecorator('name', {
+            rules: [{ required: true, message: '请输入分类名称！', min: 2 }],
+            initialValue: formVals.name,
+          })(<Input placeholder="请输入" />)}
+        </FormItem>
+        <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="父分类">
+          {form.getFieldDecorator('pid', {
+            rules: [{ required: true, message: '请选择父分类！' }],
+            initialValue: formVals.pid,
+          })(
+            <TreeSelect
+              showSearch
+              style={{ width: 300 }}
+              dropdownStyle={{ maxHeight: 400, overflow: 'auto' }}
+              treeData={categoryTreeSelect}
+              placeholder="选择父分类"
+              onChange={onPidChange}
+            />
+          )}
+        </FormItem>
+        {
+          formVals.pid > 0 ? (
+            <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="分类图片"
+                      extra="建议尺寸：480*480PX，大小不超过 2M" required={true}>
+              <PicturesWall urls={formVals.picUrl ? [formVals.picUrl] : undefined} ref={(node) => picturesWall = node} maxLength={1} />
+            </FormItem>
+          ) : ''
+        }
+        <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="排序值">
+          {form.getFieldDecorator('sort', {
+            rules: [{ required: true, message: '请输入排序值！' }],
+            initialValue: formVals.sort,
+          })(<InputNumber placeholder="请输入" />)}
+        </FormItem>
+        <FormItem labelCol={{ span: 5 }} wrapperCol={{ span: 15 }} label="描述">
+          {form.getFieldDecorator('description', {
+            rules: [{ required: true, message: '请输入描述！' }],
+            initialValue: formVals.description,
+          })(<Input.TextArea placeholder="请输入" />)}
+        </FormItem>
+      </Spin>
+    </Modal>
+  );
+});
+
+@connect(({ productCategoryList, }) => ({
+  ...productCategoryList,
+  // list: productCategoryList.list,
+  // loading: loading.models.productCategoryList,
+}))
+
+@Form.create()
+class ProductCategoryList extends PureComponent {
+
+  componentDidMount() {
+    const { dispatch } = this.props;
+    dispatch({
+      type: 'productCategoryList/tree',
+      payload: {},
+    });
+  }
+
+  handleModalVisible = (modalVisible, modalType, record) => {
+    const { dispatch } = this.props;
+    dispatch({
+      type: 'productCategoryList/setAll',
+      payload: {
+        modalVisible,
+        modalType,
+        formVals: record || {}
+      },
+    });
+  };
+
+  render() {
+    const { dispatch,
+      list,listLoading,
+      modalVisible, modalType, formVals, modalLoading,} = this.props;
+
+    // 列表属性
+    const listProps = {
+      dataSource: list,
+      dispatch,
+      loading: listLoading,
+      handleModalVisible: this.handleModalVisible, // Function
+    };
+
+    // 添加 or 编辑表单属性
+    const addOrUpdateFormProps = {
+      modalVisible,
+      modalType,
+      formVals,
+      dispatch,
+      loading: modalLoading,
+      categoryTree: list,
+      handleModalVisible: this.handleModalVisible, // Function
+    };
+
    return (
      <PageHeaderWrapper>
        <Card bordered={false}>
@ -264,13 +324,14 @@ class ProductCategoryList extends PureComponent {
                type="primary"
                onClick={() => this.handleModalVisible(true, 'add', {})}
              >
-                新建商品分类
+                新建分类
              </Button>
            </div>
          </div>
-          <Table defaultExpandAllRows={true} columns={columns} dataSource={list} rowKey="id" />
+          <List {...listProps} />
        </Card>
-        <CreateForm {...parentMethods} modalVisible={modalVisible} />
+
+        <AddOrUpdateForm {...addOrUpdateFormProps} />
      </PageHeaderWrapper>
    );
  }
--- a/docs/guides/功能列表/功能列表-H5
+++ b/docs/guides/功能列表/功能列表-H5
@ -0,0 +1,30 @@
+如下是 onemall 的功能列表。
+
+* 当功能被完成时，会标记已完成。
+* 未完成的功能，欢迎一起来开发。
+
+- [ ] 首页
+- 商品相关
+    - [ ] 分类列表
+    - [ ] 商品搜索
+    - [ ] 商品列表(基于分类)
+    - [ ] 商品列表(基于促销活动)
+    - [ ] 商品详情
+    - [ ] 商品收藏
+- 订单相关
+    - [ ] 下单(直接购买)
+    - [ ] 下单(购物车购买)
+    - [ ] 下单(拼团)
+    - [ ] 订单列表
+    - [ ] 订单详情
+    - [ ] 支付
+    - [ ] 退款
+    - [ ] 购物车
+    - [ ] 收获地址
+- 营销相关
+    - [ ] 优惠劵
+    - [ ] 优惠码
+- 用户相关
+    - [ ] 登陆
+    - [ ] 注册
+    - [ ] 个人信息
--- a/docs/guides/功能列表/功能列表-管理后台.md
+++ b/docs/guides/功能列表/功能列表-管理后台.md
@ -1,3 +1,8 @@
+如下是 onemall 的功能列表。
+
+* 当功能被完成时，会标记已完成。
+* 未完成的功能，欢迎一起来开发。
+
 - [ ] 概述 TODO
 - [ ] 数据分析
    - [ ] TODO 未开始
--- a/product/product-service-api/src/main/java/cn/iocoder/mall/product/api/constant/ProductErrorCodeEnum.java
+++ b/product/product-service-api/src/main/java/cn/iocoder/mall/product/api/constant/ProductErrorCodeEnum.java
@ -14,6 +14,7 @@ public enum ProductErrorCodeEnum {
    PRODUCT_CATEGORY_STATUS_EQUALS(1002001003, "商品分类已经是该状态"),
    PRODUCT_CATEGORY_DELETE_ONLY_DISABLE(1002001004, "只有关闭的商品分类才可以删除"),
    PRODUCT_CATEGORY_MUST_ENABLE(1002001005, "只有开启的商品分类，才可以使用"),
+    PRODUCT_CATEGORY_PARENT_CAN_NOT_BE_LEVEL2(1002001005, "父分类必须是一级分类"),

    // ========== PRODUCT SPU + SKU 模块 ==========
    PRODUCT_SKU_ATTR_CANT_NOT_DUPLICATE(1003002000, "一个 Sku 下，不能有重复的规格"),
--- a/product/product-service-impl/src/main/java/cn/iocoder/mall/product/service/ProductCategoryServiceImpl.java
+++ b/product/product-service-impl/src/main/java/cn/iocoder/mall/product/service/ProductCategoryServiceImpl.java
@ -47,11 +47,8 @@ public class ProductCategoryServiceImpl implements ProductCategoryService {

    @Override
    public CommonResult<ProductCategoryBO> addProductCategory(Integer adminId, ProductCategoryAddDTO productCategoryAddDTO) {
-        // 校验父分类是否存在
-        if (!ProductCategoryConstants.PID_ROOT.equals(productCategoryAddDTO.getPid())
-            && productCategoryMapper.selectById(productCategoryAddDTO.getPid()) == null) {
-            return ServiceExceptionUtil.error(ProductErrorCodeEnum.PRODUCT_CATEGORY_PARENT_NOT_EXISTS.getCode());
-        }
+        // 校验父分类
+        validParent(productCategoryAddDTO.getPid());
        // 保存到数据库
        ProductCategoryDO productCategory = ProductCategoryConvert.INSTANCE.convert(productCategoryAddDTO)
                .setStatus(ProductCategoryConstants.STATUS_ENABLE);
@ -65,10 +62,8 @@ public class ProductCategoryServiceImpl implements ProductCategoryService {

    @Override
    public CommonResult<Boolean> updateProductCategory(Integer adminId, ProductCategoryUpdateDTO productCategoryUpdateDTO) {
-        // 校验分类是否存在
-        if (productCategoryMapper.selectById(productCategoryUpdateDTO.getId()) == null) {
-            return ServiceExceptionUtil.error(ProductErrorCodeEnum.PRODUCT_CATEGORY_NOT_EXISTS.getCode());
-        }
+        // 校验父分类
+        validParent(productCategoryUpdateDTO.getPid());
        // 校验不能设置自己为父分类
        if (productCategoryUpdateDTO.getId().equals(productCategoryUpdateDTO.getPid())) {
            return ServiceExceptionUtil.error(ProductErrorCodeEnum.PRODUCT_CATEGORY_PARENT_NOT_SELF.getCode());
@ -153,4 +148,18 @@ public class ProductCategoryServiceImpl implements ProductCategoryService {
                || ProductCategoryConstants.STATUS_DISABLE.equals(status);
    }

+    private void validParent(Integer pid) {
+        if (!ProductCategoryConstants.PID_ROOT.equals(pid)) {
+            ProductCategoryDO parentCategory = productCategoryMapper.selectById(pid);
+            // 校验父分类是否存在
+            if (parentCategory == null) {
+                throw ServiceExceptionUtil.exception(ProductErrorCodeEnum.PRODUCT_CATEGORY_PARENT_NOT_EXISTS.getCode());
+            }
+            // 父分类必须是一级分类
+            if (!ProductCategoryConstants.PID_ROOT.equals(parentCategory.getPid())) {
+                throw ServiceExceptionUtil.exception((ProductErrorCodeEnum.PRODUCT_CATEGORY_PARENT_CAN_NOT_BE_LEVEL2.getCode()));
+            }
+        }
+    }
+
 }