commit 7323ba8817fe72c5db985ad8108b33b336571086
Author: xgl <2389009027@qq.com>
Date:   Wed Dec 4 11:09:34 2024 +0800

    xgl

diff --git a/Business.java b/Business.java
new file mode 100644
index 00000000..479242be
--- /dev/null
+++ b/Business.java
@@ -0,0 +1,122 @@
+package com.example.entity;
+
+import java.io.Serializable;
+
+/**
+ * 商家
+*/
+public class Business extends Account implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /** ID */
+    private Integer id;
+    /** 用户名 */
+    private String username;
+    /** 密码 */
+    private String password;
+    /** 姓名 */
+    private String name;
+    /** 电话 */
+    private String phone;
+    /** 邮箱 */
+    private String email;
+    /** 头像 */
+    private String avatar;
+    /** 角色标识 */
+    private String role;
+
+    private String description;
+
+    private String status;
+    @Override
+    public Integer getId() {
+        return id;
+    }
+
+    @Override
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    @Override
+    public String getUsername() {
+        return username;
+    }
+
+    @Override
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    @Override
+    public String getPassword() {
+        return password;
+    }
+
+    @Override
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    @Override
+    public String getAvatar() {
+        return avatar;
+    }
+
+    @Override
+    public void setAvatar(String avatar) {
+        this.avatar = avatar;
+    }
+
+    @Override
+    public String getRole() {
+        return role;
+    }
+
+    @Override
+    public void setRole(String role) {
+        this.role = role;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public void setStatus(String status) {
+        this.status = status;
+    }
+}
\ No newline at end of file
diff --git a/BusinessController.java b/BusinessController.java
new file mode 100644
index 00000000..09d3731d
--- /dev/null
+++ b/BusinessController.java
@@ -0,0 +1,89 @@
+package com.example.controller;
+
+import com.example.common.Result;
+import com.example.entity.Admin;
+import com.example.entity.Business;
+import com.example.service.AdminService;
+import com.example.service.BusinessService;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 商家前端操作接口
+ **/
+@RestController
+@RequestMapping("/business")
+public class BusinessController {
+
+    @Resource
+    private BusinessService businessService;
+
+    /**
+     * 新增
+     */
+    @PostMapping("/add")
+    public Result add(@RequestBody Business business) {
+        businessService.add(business);
+        return Result.success();
+    }
+
+    /**
+     * 删除
+     */
+    @DeleteMapping("/delete/{id}")
+    public Result deleteById(@PathVariable Integer id) {
+        businessService.deleteById(id);
+        return Result.success();
+    }
+
+    /**
+     * 批量删除
+     */
+    @DeleteMapping("/delete/batch")
+    public Result deleteBatch(@RequestBody List<Integer> ids) {
+        businessService.deleteBatch(ids);
+        return Result.success();
+    }
+
+    /**
+     * 修改
+     */
+    @PutMapping("/update")
+    public Result updateById(@RequestBody Business business) {
+        businessService.updateById(business);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询
+     */
+    @GetMapping("/selectById/{id}")
+    public Result selectById(@PathVariable Integer id) {
+        Business business = businessService.selectById(id);
+        return Result.success(business);
+    }
+
+    /**
+     * 查询所有
+     */
+    @GetMapping("/selectAll")
+    public Result selectAll(Business business ) {
+        List<Business> list = businessService.selectAll(business);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询
+     */
+    @GetMapping("/selectPage")
+    public Result selectPage(Business business,
+                             @RequestParam(defaultValue = "1") Integer pageNum,
+                             @RequestParam(defaultValue = "10") Integer pageSize) {
+        PageInfo<Business> page = businessService.selectPage(business, pageNum, pageSize);
+        return Result.success(page);
+    }
+
+}
\ No newline at end of file
diff --git a/BusinessMapper.java b/BusinessMapper.java
new file mode 100644
index 00000000..4a5dc7a5
--- /dev/null
+++ b/BusinessMapper.java
@@ -0,0 +1,40 @@
+package com.example.mapper;
+
+import com.example.entity.Business;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * 操作business相关数据接口
+*/
+public interface BusinessMapper {
+
+    /**
+      * 新增
+    */
+    int insert(Business business);
+
+    /**
+      * 删除
+    */
+    int deleteById(Integer id);
+
+    /**
+      * 修改
+    */
+    int updateById(Business business);
+
+    /**
+      * 根据ID查询
+    */
+    Business selectById(Integer id);
+
+    /**
+      * 查询所有
+    */
+    List<Business> selectAll(Business business);
+
+    @Select("select * from business where username = #{username}")
+    Business selectByUsername(String username);
+}
\ No newline at end of file
diff --git a/BusinessService.java b/BusinessService.java
new file mode 100644
index 00000000..98d233d0
--- /dev/null
+++ b/BusinessService.java
@@ -0,0 +1,139 @@
+package com.example.service;
+
+import cn.hutool.core.util.ObjectUtil;
+import com.example.common.Constants;
+import com.example.common.enums.ResultCodeEnum;
+import com.example.common.enums.RoleEnum;
+import com.example.common.enums.StatusEnum;
+import com.example.entity.Account;
+import com.example.entity.Business;
+import com.example.exception.CustomException;
+import com.example.mapper.BusinessMapper;
+import com.example.utils.TokenUtils;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 商家业务处理
+ **/
+@Service
+public class BusinessService {
+
+    @Resource
+    private BusinessMapper businessMapper;
+
+    /**
+     * 新增
+     */
+    public void add(Business business) {
+        Business dbBusiness = businessMapper.selectByUsername(business.getUsername());
+        if (ObjectUtil.isNotNull(dbBusiness)) {
+            throw new CustomException(ResultCodeEnum.USER_EXIST_ERROR);
+        }
+        if (ObjectUtil.isEmpty(business.getPassword())) {
+            business.setPassword(Constants.USER_DEFAULT_PASSWORD);
+        }
+        if (ObjectUtil.isEmpty(business.getName())) {
+            business.setName(business.getUsername());
+        }
+        if (ObjectUtil.isEmpty(business.getStatus())) {
+            business.setStatus(StatusEnum.CHECKEING.status);
+        }
+        business.setRole(RoleEnum.BUSINESS.name());
+        businessMapper.insert(business);
+    }
+
+    /**
+     * 删除
+     */
+    public void deleteById(Integer id) {
+        businessMapper.deleteById(id);
+    }
+
+    /**
+     * 批量删除
+     */
+    public void deleteBatch(List<Integer> ids) {
+        for (Integer id : ids) {
+            businessMapper.deleteById(id);
+        }
+    }
+
+    /**
+     * 修改
+     */
+    public void updateById(Business business) {
+        businessMapper.updateById(business);
+    }
+
+    /**
+     * 根据ID查询
+     */
+    public Business selectById(Integer id) {
+        return businessMapper.selectById(id);
+    }
+
+    /**
+     * 查询所有
+     */
+    public List<Business> selectAll(Business business) {
+        return businessMapper.selectAll(business);
+    }
+
+    /**
+     * 分页查询
+     */
+    public PageInfo<Business> selectPage(Business business, Integer pageNum, Integer pageSize) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<Business> list = businessMapper.selectAll(business);
+        return PageInfo.of(list);
+    }
+
+    /**
+     * 登录
+     */
+    public Account login(Account account) {
+        Account dbBusiness = businessMapper.selectByUsername(account.getUsername());
+        if (ObjectUtil.isNull(dbBusiness)) {
+            throw new CustomException(ResultCodeEnum.USER_NOT_EXIST_ERROR);
+        }
+        if (!account.getPassword().equals(dbBusiness.getPassword())) {
+            throw new CustomException(ResultCodeEnum.USER_ACCOUNT_ERROR);
+        }
+        // 生成token
+        String tokenData = dbBusiness.getId() + "-" + RoleEnum.BUSINESS.name();
+        String token = TokenUtils.createToken(tokenData, dbBusiness.getPassword());
+        dbBusiness.setToken(token);
+        return dbBusiness;
+    }
+
+    /**
+     * 注册
+     */
+    public void register(Account account) {
+        Business business = new Business();
+        BeanUtils.copyProperties(account, business);
+        add(business);
+    }
+
+    /**
+     * 修改密码
+     */
+    public void updatePassword(Account account) {
+        Business dbBusiness = businessMapper.selectByUsername(account.getUsername());
+        if (ObjectUtil.isNull(dbBusiness)) {
+            throw new CustomException(ResultCodeEnum.USER_NOT_EXIST_ERROR);
+        }
+        if (!account.getPassword().equals(dbBusiness.getPassword())) {
+            throw new CustomException(ResultCodeEnum.PARAM_PASSWORD_ERROR);
+        }
+        dbBusiness.setPassword(account.getNewPassword());
+        businessMapper.updateById(dbBusiness);
+    }
+
+}
\ No newline at end of file
diff --git a/Cart.java b/Cart.java
new file mode 100644
index 00000000..27e54ed1
--- /dev/null
+++ b/Cart.java
@@ -0,0 +1,105 @@
+package com.example.entity;
+
+import java.io.Serializable;
+
+/**
+ * 购物车信息表
+*/
+public class Cart implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    private Integer id;
+    private Integer userId;
+    private Integer businessId;
+    private Integer goodsId;
+    private Integer num;
+
+    private String businessName;
+    private String goodsName;
+    private String goodsImg;
+    private String goodUnit;
+    private Double goodsPrice;
+
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Integer getUserId() {
+        return userId;
+    }
+
+    public void setUserId(Integer userId) {
+        this.userId = userId;
+    }
+
+    public Integer getBusinessId() {
+        return businessId;
+    }
+
+    public void setBusinessId(Integer businessId) {
+        this.businessId = businessId;
+    }
+
+    public Integer getGoodsId() {
+        return goodsId;
+    }
+
+    public void setGoodsId(Integer goodsId) {
+        this.goodsId = goodsId;
+    }
+
+    public String getBusinessName() {
+        return businessName;
+    }
+
+    public void setBusinessName(String businessName) {
+        this.businessName = businessName;
+    }
+
+    public String getGoodsName() {
+        return goodsName;
+    }
+
+    public void setGoodsName(String goodsName) {
+        this.goodsName = goodsName;
+    }
+
+    public String getGoodsImg() {
+        return goodsImg;
+    }
+
+    public void setGoodsImg(String goodsImg) {
+        this.goodsImg = goodsImg;
+    }
+
+    public String getGoodUnit() {
+        return goodUnit;
+    }
+
+    public void setGoodUnit(String goodUnit) {
+        this.goodUnit = goodUnit;
+    }
+
+    public Double getGoodsPrice() {
+        return goodsPrice;
+    }
+
+    public void setGoodsPrice(Double goodsPrice) {
+        this.goodsPrice = goodsPrice;
+    }
+
+    public Integer getNum() {
+        return num;
+    }
+
+    public void setNum(Integer num) {
+        this.num = num;
+    }
+}
+
+
diff --git a/CartController.java b/CartController.java
new file mode 100644
index 00000000..bcb2445c
--- /dev/null
+++ b/CartController.java
@@ -0,0 +1,87 @@
+package com.example.controller;
+
+import com.example.common.Result;
+import com.example.entity.Cart;
+import com.example.service.CartService;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 购物车前端操作接口
+ **/
+@RestController
+@RequestMapping("/cart")
+public class CartController {
+
+    @Resource
+    private CartService cartService;
+
+    /**
+     * 新增
+     */
+    @PostMapping("/add")
+    public Result add(@RequestBody Cart cart) {
+        cartService.add(cart);
+        return Result.success();
+    }
+
+    /**
+     * 删除
+     */
+    @DeleteMapping("/delete/{id}")
+    public Result deleteById(@PathVariable Integer id) {
+        cartService.deleteById(id);
+        return Result.success();
+    }
+
+    /**
+     * 批量删除
+     */
+    @DeleteMapping("/delete/batch")
+    public Result deleteBatch(@RequestBody List<Integer> ids) {
+        cartService.deleteBatch(ids);
+        return Result.success();
+    }
+
+    /**
+     * 修改
+     */
+    @PutMapping("/update")
+    public Result updateById(@RequestBody Cart cart) {
+        cartService.updateById(cart);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询
+     */
+    @GetMapping("/selectById/{id}")
+    public Result selectById(@PathVariable Integer id) {
+        Cart cart = cartService.selectById(id);
+        return Result.success(cart);
+    }
+
+    /**
+     * 查询所有
+     */
+    @GetMapping("/selectAll")
+    public Result selectAll(Cart cart ) {
+        List<Cart> list = cartService.selectAll(cart);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询
+     */
+    @GetMapping("/selectPage")
+    public Result selectPage(Cart cart,
+                             @RequestParam(defaultValue = "1") Integer pageNum,
+                             @RequestParam(defaultValue = "10") Integer pageSize) {
+        PageInfo<Cart> page = cartService.selectPage(cart, pageNum, pageSize);
+        return Result.success(page);
+    }
+
+}
\ No newline at end of file
diff --git a/CartMapper.java b/CartMapper.java
new file mode 100644
index 00000000..6afb3ade
--- /dev/null
+++ b/CartMapper.java
@@ -0,0 +1,41 @@
+package com.example.mapper;
+
+import com.example.entity.Cart;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * 操作cart相关数据接口
+*/
+public interface CartMapper {
+
+    /**
+     * 新增
+     */
+    int insert(Cart cart);
+
+    /**
+     * 删除
+     */
+    int deleteById(Integer id);
+
+    /**
+     * 修改
+     */
+    int updateById(Cart cart);
+
+    /**
+     * 根据ID查询
+     */
+    Cart selectById(Integer id);
+
+    /**
+     * 查询所有
+     */
+    List<Cart> selectAll(Cart cart);
+
+    @Select("select * from cart where user_id = #{userId} and goods_id = #{goodsId}")
+    Cart selectByUserIdAndGoodsId(@Param("userId") Integer userId, @Param("goodsId") Integer goodsId);
+}
\ No newline at end of file
diff --git a/CartService.java b/CartService.java
new file mode 100644
index 00000000..28dbdc3c
--- /dev/null
+++ b/CartService.java
@@ -0,0 +1,90 @@
+package com.example.service;
+
+import cn.hutool.core.util.ObjectUtil;
+import com.example.common.enums.ResultCodeEnum;
+import com.example.common.enums.RoleEnum;
+import com.example.entity.Account;
+import com.example.entity.Cart;
+import com.example.exception.CustomException;
+import com.example.mapper.CartMapper;
+import com.example.utils.TokenUtils;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 购物车业务处理
+ **/
+@Service
+public class CartService {
+
+    @Resource
+    private CartMapper cartMapper;
+
+    /**
+     * 新增
+     */
+    public void add(Cart cart) {
+        // 判断该用户对该商品有没有加入过购物车，如果加入过，那么只要更新一下该条记录的num（+1）
+        Cart dbCart = cartMapper.selectByUserIdAndGoodsId(cart.getUserId(), cart.getGoodsId());
+        if (ObjectUtil.isNotEmpty(dbCart)) {
+            dbCart.setNum(dbCart.getNum() + 1);
+            cartMapper.updateById(dbCart);
+        } else {
+            cartMapper.insert(cart);
+        }
+    }
+
+    /**
+     * 删除
+     */
+    public void deleteById(Integer id) {
+        cartMapper.deleteById(id);
+    }
+
+    /**
+     * 批量删除
+     */
+    public void deleteBatch(List<Integer> ids) {
+        for (Integer id : ids) {
+            cartMapper.deleteById(id);
+        }
+    }
+
+    /**
+     * 修改
+     */
+    public void updateById(Cart cart) {
+        cartMapper.updateById(cart);
+    }
+
+    /**
+     * 根据ID查询
+     */
+    public Cart selectById(Integer id) {
+        return cartMapper.selectById(id);
+    }
+
+    /**
+     * 查询所有
+     */
+    public List<Cart> selectAll(Cart cart) {
+        return cartMapper.selectAll(cart);
+    }
+
+    /**
+     * 分页查询
+     */
+    public PageInfo<Cart> selectPage(Cart cart, Integer pageNum, Integer pageSize) {
+        Account currentUser = TokenUtils.getCurrentUser();
+        if (RoleEnum.USER.name().equals(currentUser.getRole())) {
+            cart.setUserId(currentUser.getId());
+        }
+        PageHelper.startPage(pageNum, pageSize);
+        List<Cart> list = cartMapper.selectAll(cart);
+        return PageInfo.of(list);
+    }
+}
\ No newline at end of file
diff --git a/Comment.java b/Comment.java
new file mode 100644
index 00000000..05edb94a
--- /dev/null
+++ b/Comment.java
@@ -0,0 +1,86 @@
+package com.example.entity;
+
+import java.io.Serializable;
+
+/**
+ * 评论信息表
+*/
+public class Comment implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /** ID */
+    private Integer id;
+    private Integer userId;
+    private Integer businessId;
+    private Integer goodsId;
+
+    private String businessName;
+    private String goodsName;
+
+    private String time;
+    private String content;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Integer getUserId() {
+        return userId;
+    }
+
+    public void setUserId(Integer userId) {
+        this.userId = userId;
+    }
+
+    public Integer getBusinessId() {
+        return businessId;
+    }
+
+    public void setBusinessId(Integer businessId) {
+        this.businessId = businessId;
+    }
+
+    public Integer getGoodsId() {
+        return goodsId;
+    }
+
+    public void setGoodsId(Integer goodsId) {
+        this.goodsId = goodsId;
+    }
+
+    public String getBusinessName() {
+        return businessName;
+    }
+
+    public void setBusinessName(String businessName) {
+        this.businessName = businessName;
+    }
+
+    public String getGoodsName() {
+        return goodsName;
+    }
+
+    public void setGoodsName(String goodsName) {
+        this.goodsName = goodsName;
+    }
+
+    public String getTime() {
+        return time;
+    }
+
+    public void setTime(String time) {
+        this.time = time;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+}
\ No newline at end of file
diff --git a/CommentController.java b/CommentController.java
new file mode 100644
index 00000000..e5a6885f
--- /dev/null
+++ b/CommentController.java
@@ -0,0 +1,93 @@
+package com.example.controller;
+
+import com.example.common.Result;
+import com.example.entity.Comment;
+import com.example.service.CommentService;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 评论前端操作接口
+ **/
+@RestController
+@RequestMapping("/comment")
+public class CommentController {
+
+    @Resource
+    private CommentService commentService;
+
+    /**
+     * 新增
+     */
+    @PostMapping("/add")
+    public Result add(@RequestBody Comment comment) {
+        commentService.add(comment);
+        return Result.success();
+    }
+
+    /**
+     * 删除
+     */
+    @DeleteMapping("/delete/{id}")
+    public Result deleteById(@PathVariable Integer id) {
+        commentService.deleteById(id);
+        return Result.success();
+    }
+
+    /**
+     * 批量删除
+     */
+    @DeleteMapping("/delete/batch")
+    public Result deleteBatch(@RequestBody List<Integer> ids) {
+        commentService.deleteBatch(ids);
+        return Result.success();
+    }
+
+    /**
+     * 修改
+     */
+    @PutMapping("/update")
+    public Result updateById(@RequestBody Comment comment) {
+        commentService.updateById(comment);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询
+     */
+    @GetMapping("/selectById/{id}")
+    public Result selectById(@PathVariable Integer id) {
+        Comment comment = commentService.selectById(id);
+        return Result.success(comment);
+    }
+
+    @GetMapping("/selectByGoodsId")
+    public Result selectByGoodsId(@RequestParam Integer id) {
+        List<Comment> list =  commentService.selectByGoodsId(id);
+        return Result.success(list);
+    }
+
+    /**
+     * 查询所有
+     */
+    @GetMapping("/selectAll")
+    public Result selectAll(Comment comment ) {
+        List<Comment> list = commentService.selectAll(comment);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询
+     */
+    @GetMapping("/selectPage")
+    public Result selectPage(Comment comment,
+                             @RequestParam(defaultValue = "1") Integer pageNum,
+                             @RequestParam(defaultValue = "10") Integer pageSize) {
+        PageInfo<Comment> page = commentService.selectPage(comment, pageNum, pageSize);
+        return Result.success(page);
+    }
+
+}
\ No newline at end of file
diff --git a/CommentMapper.java b/CommentMapper.java
new file mode 100644
index 00000000..b9a18192
--- /dev/null
+++ b/CommentMapper.java
@@ -0,0 +1,41 @@
+package com.example.mapper;
+
+import com.example.entity.Comment;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * 操作comment相关数据接口
+*/
+public interface CommentMapper {
+
+    /**
+     * 新增
+     */
+    int insert(Comment comment);
+
+    /**
+     * 删除
+     */
+    int deleteById(Integer id);
+
+    /**
+     * 修改
+     */
+    int updateById(Comment comment);
+
+    /**
+     * 根据ID查询
+     */
+    Comment selectById(Integer id);
+
+    /**
+     * 查询所有
+     */
+    List<Comment> selectAll(Comment comment);
+
+    @Select("select comment.*, user.avatar as userAvatar, user.name as userName from comment left join user on comment.user_id = user.id where comment.goods_id = #{id}")
+    List<Comment> selectByGoodsId(Integer id);
+}
\ No newline at end of file
diff --git a/CommentService.java b/CommentService.java
new file mode 100644
index 00000000..052fb9e1
--- /dev/null
+++ b/CommentService.java
@@ -0,0 +1,92 @@
+package com.example.service;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.util.ObjectUtil;
+import com.example.common.enums.ResultCodeEnum;
+import com.example.common.enums.RoleEnum;
+import com.example.entity.Account;
+import com.example.entity.Comment;
+import com.example.exception.CustomException;
+import com.example.mapper.CommentMapper;
+import com.example.utils.TokenUtils;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 评论业务处理
+ **/
+@Service
+public class CommentService {
+
+    @Resource
+    private CommentMapper commentMapper;
+
+    /**
+     * 新增
+     */
+    public void add(Comment comment) {
+        comment.setTime(DateUtil.now());
+        commentMapper.insert(comment);
+    }
+
+    /**
+     * 删除
+     */
+    public void deleteById(Integer id) {
+        commentMapper.deleteById(id);
+    }
+
+    /**
+     * 批量删除
+     */
+    public void deleteBatch(List<Integer> ids) {
+        for (Integer id : ids) {
+            commentMapper.deleteById(id);
+        }
+    }
+
+    /**
+     * 修改
+     */
+    public void updateById(Comment comment) {
+        commentMapper.updateById(comment);
+    }
+
+    /**
+     * 根据ID查询
+     */
+    public Comment selectById(Integer id) {
+        return commentMapper.selectById(id);
+    }
+
+    /**
+     * 查询所有
+     */
+    public List<Comment> selectAll(Comment comment) {
+        return commentMapper.selectAll(comment);
+    }
+
+    /**
+     * 分页查询
+     */
+    public PageInfo<Comment> selectPage(Comment comment, Integer pageNum, Integer pageSize) {
+        Account currentUser = TokenUtils.getCurrentUser();
+        if (RoleEnum.USER.name().equals(currentUser.getRole())) {
+            comment.setUserId(currentUser.getId());
+        }
+        if (RoleEnum.BUSINESS.name().equals(currentUser.getRole())) {
+            comment.setBusinessId(currentUser.getId());
+        }
+        PageHelper.startPage(pageNum, pageSize);
+        List<Comment> list = commentMapper.selectAll(comment);
+        return PageInfo.of(list);
+    }
+
+    public List<Comment> selectByGoodsId(Integer id) {
+        return commentMapper.selectByGoodsId(id);
+    }
+}
\ No newline at end of file
diff --git a/Goods.java b/Goods.java
new file mode 100644
index 00000000..d2e96844
--- /dev/null
+++ b/Goods.java
@@ -0,0 +1,114 @@
+package com.example.entity;
+
+import java.io.Serializable;
+
+/**
+ * 商品信息表
+*/
+public class Goods implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /** ID */
+    private Integer id;
+    /** 分类名称 */
+    private String name;
+    /** 分类描述 */
+    private String description;
+    /** 分类图标 */
+    private String img;
+    private Double price;
+    private String unit;
+    private Integer count;
+    private Integer typeId;
+    private Integer businessId;
+    private String typeName;
+    private String businessName;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getImg() {
+        return img;
+    }
+
+    public void setImg(String img) {
+        this.img = img;
+    }
+
+    public Double getPrice() {
+        return price;
+    }
+
+    public void setPrice(Double price) {
+        this.price = price;
+    }
+
+    public String getUnit() {
+        return unit;
+    }
+
+    public void setUnit(String unit) {
+        this.unit = unit;
+    }
+
+    public Integer getCount() {
+        return count;
+    }
+
+    public void setCount(Integer count) {
+        this.count = count;
+    }
+
+    public Integer getTypeId() {
+        return typeId;
+    }
+
+    public void setTypeId(Integer typeId) {
+        this.typeId = typeId;
+    }
+
+    public Integer getBusinessId() {
+        return businessId;
+    }
+
+    public void setBusinessId(Integer businessId) {
+        this.businessId = businessId;
+    }
+
+    public String getTypeName() {
+        return typeName;
+    }
+
+    public void setTypeName(String typeName) {
+        this.typeName = typeName;
+    }
+
+    public String getBusinessName() {
+        return businessName;
+    }
+
+    public void setBusinessName(String businessName) {
+        this.businessName = businessName;
+    }
+}
diff --git a/GoodsController.java b/GoodsController.java
new file mode 100644
index 00000000..9a503b94
--- /dev/null
+++ b/GoodsController.java
@@ -0,0 +1,110 @@
+package com.example.controller;
+
+import com.example.common.Result;
+import com.example.entity.Goods;
+import com.example.service.GoodsService;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 商品信息表前端操作接口
+ **/
+@RestController
+@RequestMapping("/goods")
+public class GoodsController {
+
+    @Resource
+    private GoodsService goodsService;
+
+    /**
+     * 新增
+     */
+    @PostMapping("/add")
+    public Result add(@RequestBody Goods goods) {
+        goodsService.add(goods);
+        return Result.success();
+    }
+
+    /**
+     * 删除
+     */
+    @DeleteMapping("/delete/{id}")
+    public Result deleteById(@PathVariable Integer id) {
+        goodsService.deleteById(id);
+        return Result.success();
+    }
+
+    /**
+     * 批量删除
+     */
+    @DeleteMapping("/delete/batch")
+    public Result deleteBatch(@RequestBody List<Integer> ids) {
+        goodsService.deleteBatch(ids);
+        return Result.success();
+    }
+
+    /**
+     * 修改
+     */
+    @PutMapping("/update")
+    public Result updateById(@RequestBody Goods goods) {
+        goodsService.updateById(goods);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询
+     */
+    @GetMapping("/selectById")
+    public Result selectById(@RequestParam Integer id) {
+        Goods goods = goodsService.selectById(id);
+        return Result.success(goods);
+    }
+    @GetMapping("/selectTop15")
+    public Result selectTop15() {
+        List<Goods> list = goodsService.selectTop15();
+        return Result.success(list);
+    }
+
+    /**
+     * 查询所有
+     */
+    @GetMapping("/selectAll")
+    public Result selectAll(Goods goods ) {
+        List<Goods> list = goodsService.selectAll(goods);
+        return Result.success(list);
+    }
+
+    @GetMapping("/selectByTypeId")
+    public Result selectByTypeId(@RequestParam Integer id) {
+        List<Goods> list = goodsService.selectByTypeId(id);
+        return Result.success(list);
+    }
+
+    @GetMapping("/selectByName")
+    public Result selectByName(@RequestParam String name) {
+        List<Goods> list = goodsService.selectByName(name);
+        return Result.success(list);
+    }
+
+    @GetMapping("/selectByBusinessId")
+    public Result selectByBusinessId(@RequestParam Integer id) {
+        List<Goods> list = goodsService.selectByBusinessId(id);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询
+     */
+    @GetMapping("/selectPage")
+    public Result selectPage(Goods goods,
+                             @RequestParam(defaultValue = "1") Integer pageNum,
+                             @RequestParam(defaultValue = "10") Integer pageSize) {
+        PageInfo<Goods> page = goodsService.selectPage(goods, pageNum, pageSize);
+        return Result.success(page);
+    }
+
+}
\ No newline at end of file
diff --git a/GoodsMapper.java b/GoodsMapper.java
new file mode 100644
index 00000000..3a543471
--- /dev/null
+++ b/GoodsMapper.java
@@ -0,0 +1,50 @@
+package com.example.mapper;
+
+import com.example.entity.Goods;
+import com.example.entity.Type;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * 操作goods相关数据接口
+*/
+public interface GoodsMapper {
+
+    /**
+     * 新增
+     */
+    int insert(Goods goods);
+
+    /**
+     * 删除
+     */
+    int deleteById(Integer id);
+
+    /**
+     * 修改
+     */
+    int updateById(Goods goods);
+
+    /**
+     * 根据ID查询
+     */
+    Goods selectById(Integer id);
+
+    /**
+     * 查询所有
+     */
+    List<Goods> selectAll(Goods goods);
+
+    @Select("select * from goods order by count desc limit 15")
+    List<Goods> selectTop15();
+
+    @Select("select * from goods where type_id = #{id}")
+    List<Goods> selectByTypeId(Integer id);
+
+    @Select("select * from goods where business_id = #{id}")
+    List<Goods> selectByBusinessId(Integer id);
+
+    @Select("select * from goods where name like concat('%', #{name}, '%')")
+    List<Goods> selectByName(String name);
+}
\ No newline at end of file
diff --git a/GoodsService.java b/GoodsService.java
new file mode 100644
index 00000000..c688cbcc
--- /dev/null
+++ b/GoodsService.java
@@ -0,0 +1,101 @@
+package com.example.service;
+
+
+import com.example.common.enums.RoleEnum;
+import com.example.entity.Account;
+import com.example.entity.Goods;
+import com.example.mapper.GoodsMapper;
+import com.example.utils.TokenUtils;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 商品信息表业务处理
+ **/
+@Service
+public class GoodsService {
+
+    @Resource
+    private GoodsMapper goodsMapper;
+
+    /**
+     * 新增
+     */
+    public void add(Goods goods) {
+        Account currentUser = TokenUtils.getCurrentUser();
+        if (RoleEnum.BUSINESS.name().equals(currentUser.getRole())) {
+            goods.setBusinessId(currentUser.getId());
+        }
+        goodsMapper.insert(goods);
+    }
+
+    /**
+     * 删除
+     */
+    public void deleteById(Integer id) {
+        goodsMapper.deleteById(id);
+    }
+
+    /**
+     * 批量删除
+     */
+    public void deleteBatch(List<Integer> ids) {
+        for (Integer id : ids) {
+            goodsMapper.deleteById(id);
+        }
+    }
+
+    /**
+     * 修改
+     */
+    public void updateById(Goods goods) {
+        goodsMapper.updateById(goods);
+    }
+
+    /**
+     * 根据ID查询
+     */
+    public Goods selectById(Integer id) {
+        return goodsMapper.selectById(id);
+    }
+
+    /**
+     * 查询所有
+     */
+    public List<Goods> selectAll(Goods goods) {
+        return goodsMapper.selectAll(goods);
+    }
+
+    /**
+     * 分页查询
+     */
+    public PageInfo<Goods> selectPage(Goods goods, Integer pageNum, Integer pageSize) {
+        Account currentUser = TokenUtils.getCurrentUser();
+        if (RoleEnum.BUSINESS.name().equals(currentUser.getRole())) {
+            goods.setBusinessId(currentUser.getId());
+        }
+        PageHelper.startPage(pageNum, pageSize);
+        List<Goods> list = goodsMapper.selectAll(goods);
+        return PageInfo.of(list);
+    }
+
+    public List<Goods> selectTop15() {
+        return goodsMapper.selectTop15();
+    }
+
+    public List<Goods> selectByTypeId(Integer id) {
+        return goodsMapper.selectByTypeId(id);
+    }
+
+    public List<Goods> selectByBusinessId(Integer id) {
+        return goodsMapper.selectByBusinessId(id);
+    }
+
+    public List<Goods> selectByName(String name) {
+        return goodsMapper.selectByName(name);
+    }
+}
\ No newline at end of file
diff --git a/Orders.java b/Orders.java
new file mode 100644
index 00000000..e459d31d
--- /dev/null
+++ b/Orders.java
@@ -0,0 +1,180 @@
+package com.example.entity;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 购物车信息表
+*/
+public class Orders implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /** ID */
+    private Integer id;
+    private Integer userId;
+    private Integer businessId;
+    private Integer goodsId;
+    private String orderId;
+    private Integer addressId;
+    private Integer num;
+    private Double price;
+    private String status;
+
+    private List<Cart> cartData;
+
+
+    private String businessName;
+    private String goodsName;
+    private String goodsImg;
+    private String goodsUnit;
+    private Double goodsPrice;
+    private String username;
+    private String useraddress;
+    private String phone;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Integer getUserId() {
+        return userId;
+    }
+
+    public void setUserId(Integer userId) {
+        this.userId = userId;
+    }
+
+    public Integer getBusinessId() {
+        return businessId;
+    }
+
+    public void setBusinessId(Integer businessId) {
+        this.businessId = businessId;
+    }
+
+    public Integer getGoodsId() {
+        return goodsId;
+    }
+
+    public void setGoodsId(Integer goodsId) {
+        this.goodsId = goodsId;
+    }
+
+    public String getOrderId() {
+        return orderId;
+    }
+
+    public void setOrderId(String orderId) {
+        this.orderId = orderId;
+    }
+
+    public Integer getAddressId() {
+        return addressId;
+    }
+
+    public void setAddressId(Integer addressId) {
+        this.addressId = addressId;
+    }
+
+    public Integer getNum() {
+        return num;
+    }
+
+    public void setNum(Integer num) {
+        this.num = num;
+    }
+
+    public Double getPrice() {
+        return price;
+    }
+
+    public void setPrice(Double price) {
+        this.price = price;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public void setStatus(String status) {
+        this.status = status;
+    }
+
+    public List<Cart> getCartData() {
+        return cartData;
+    }
+
+    public void setCartData(List<Cart> cartData) {
+        this.cartData = cartData;
+    }
+
+    public String getBusinessName() {
+        return businessName;
+    }
+
+    public void setBusinessName(String businessName) {
+        this.businessName = businessName;
+    }
+
+    public String getGoodsName() {
+        return goodsName;
+    }
+
+    public void setGoodsName(String goodsName) {
+        this.goodsName = goodsName;
+    }
+
+    public String getGoodsImg() {
+        return goodsImg;
+    }
+
+    public void setGoodsImg(String goodsImg) {
+        this.goodsImg = goodsImg;
+    }
+
+    public String getGoodsUnit() {
+        return goodsUnit;
+    }
+
+    public void setGoodsUnit(String goodsUnit) {
+        this.goodsUnit = goodsUnit;
+    }
+
+    public Double getGoodsPrice() {
+        return goodsPrice;
+    }
+
+    public void setGoodsPrice(Double goodsPrice) {
+        this.goodsPrice = goodsPrice;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getUseraddress() {
+        return useraddress;
+    }
+
+    public void setUseraddress(String useraddress) {
+        this.useraddress = useraddress;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+}
+
+
diff --git a/OrdersController.java b/OrdersController.java
new file mode 100644
index 00000000..1a2af359
--- /dev/null
+++ b/OrdersController.java
@@ -0,0 +1,87 @@
+package com.example.controller;
+
+import com.example.common.Result;
+import com.example.entity.Orders;
+import com.example.service.OrdersService;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 订单前端操作接口
+ **/
+@RestController
+@RequestMapping("/orders")
+public class OrdersController {
+
+    @Resource
+    private OrdersService ordersService;
+
+    /**
+     * 新增
+     */
+    @PostMapping("/add")
+    public Result add(@RequestBody Orders orders) {
+        ordersService.add(orders);
+        return Result.success();
+    }
+
+    /**
+     * 删除
+     */
+    @DeleteMapping("/delete/{id}")
+    public Result deleteById(@PathVariable Integer id) {
+        ordersService.deleteById(id);
+        return Result.success();
+    }
+
+    /**
+     * 批量删除
+     */
+    @DeleteMapping("/delete/batch")
+    public Result deleteBatch(@RequestBody List<Integer> ids) {
+        ordersService.deleteBatch(ids);
+        return Result.success();
+    }
+
+    /**
+     * 修改
+     */
+    @PutMapping("/update")
+    public Result updateById(@RequestBody Orders orders) {
+        ordersService.updateById(orders);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询
+     */
+    @GetMapping("/selectById/{id}")
+    public Result selectById(@PathVariable Integer id) {
+        Orders orders = ordersService.selectById(id);
+        return Result.success(orders);
+    }
+
+    /**
+     * 查询所有
+     */
+    @GetMapping("/selectAll")
+    public Result selectAll(Orders orders ) {
+        List<Orders> list = ordersService.selectAll(orders);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询
+     */
+    @GetMapping("/selectPage")
+    public Result selectPage(Orders orders,
+                             @RequestParam(defaultValue = "1") Integer pageNum,
+                             @RequestParam(defaultValue = "10") Integer pageSize) {
+        PageInfo<Orders> page = ordersService.selectPage(orders, pageNum, pageSize);
+        return Result.success(page);
+    }
+
+}
\ No newline at end of file
diff --git a/OrdersMapper.java b/OrdersMapper.java
new file mode 100644
index 00000000..b011e9f2
--- /dev/null
+++ b/OrdersMapper.java
@@ -0,0 +1,39 @@
+package com.example.mapper;
+
+import com.example.entity.Orders;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+/**
+ * 操作orders相关数据接口
+*/
+public interface OrdersMapper {
+
+    /**
+     * 新增
+     */
+    int insert(Orders orders);
+
+    /**
+     * 删除
+     */
+    int deleteById(Integer id);
+
+    /**
+     * 修改
+     */
+    int updateById(Orders orders);
+
+    /**
+     * 根据ID查询
+     */
+    Orders selectById(Integer id);
+
+    /**
+     * 查询所有
+     */
+    List<Orders> selectAll(Orders orders);
+
+}
\ No newline at end of file
diff --git a/OrdersService.java b/OrdersService.java
new file mode 100644
index 00000000..136fc922
--- /dev/null
+++ b/OrdersService.java
@@ -0,0 +1,103 @@
+package com.example.service;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.util.ObjectUtil;
+import com.example.common.enums.RoleEnum;
+import com.example.entity.Account;
+import com.example.entity.Cart;
+import com.example.entity.Orders;
+import com.example.mapper.CartMapper;
+import com.example.mapper.OrdersMapper;
+import com.example.utils.TokenUtils;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.beans.BeanUtils;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * 订单业务处理
+ **/
+@Service
+public class OrdersService {
+
+    @Resource
+    private OrdersMapper ordersMapper;
+    @Resource
+    private CartMapper cartMapper;
+
+    /**
+     * 新增
+     */
+    public void add(Orders orders) {
+        orders.setOrderId(DateUtil.format(new Date(), "yyyyMMddHHmmss"));
+        for (Cart cart : orders.getCartData()) {
+            Orders dbOrders = new Orders();
+            BeanUtils.copyProperties(orders, dbOrders);
+            dbOrders.setGoodsId(cart.getGoodsId());
+            dbOrders.setBusinessId(cart.getBusinessId());
+            dbOrders.setNum(cart.getNum());
+            dbOrders.setPrice(cart.getNum() * cart.getGoodsPrice());
+            ordersMapper.insert(dbOrders);
+
+            // 把购物车里对应的商品删掉
+            cartMapper.deleteById(cart.getId());
+        }
+    }
+
+    /**
+     * 删除
+     */
+    public void deleteById(Integer id) {
+        ordersMapper.deleteById(id);
+    }
+
+    /**
+     * 批量删除
+     */
+    public void deleteBatch(List<Integer> ids) {
+        for (Integer id : ids) {
+            ordersMapper.deleteById(id);
+        }
+    }
+
+    /**
+     * 修改
+     */
+    public void updateById(Orders orders) {
+        ordersMapper.updateById(orders);
+    }
+
+    /**
+     * 根据ID查询
+     */
+    public Orders selectById(Integer id) {
+        return ordersMapper.selectById(id);
+    }
+
+    /**
+     * 查询所有
+     */
+    public List<Orders> selectAll(Orders orders) {
+        return ordersMapper.selectAll(orders);
+    }
+
+    /**
+     * 分页查询
+     */
+    public PageInfo<Orders> selectPage(Orders orders, Integer pageNum, Integer pageSize) {
+        Account currentUser = TokenUtils.getCurrentUser();
+        if (RoleEnum.USER.name().equals(currentUser.getRole())) {
+            orders.setUserId(currentUser.getId());
+        }
+        if (RoleEnum.BUSINESS.name().equals(currentUser.getRole())) {
+            orders.setBusinessId(currentUser.getId());
+        }
+        PageHelper.startPage(pageNum, pageSize);
+        List<Orders> list = ordersMapper.selectAll(orders);
+        return PageInfo.of(list);
+    }
+}
\ No newline at end of file
diff --git a/Type.java b/Type.java
new file mode 100644
index 00000000..c68b9766
--- /dev/null
+++ b/Type.java
@@ -0,0 +1,51 @@
+package com.example.entity;
+
+import java.io.Serializable;
+
+/**
+ * 商品分类信息表
+*/
+public class Type implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /** ID */
+    private Integer id;
+    /** 分类名称 */
+    private String name;
+    /** 分类描述 */
+    private String description;
+    /** 分类图标 */
+    private String img;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getImg() {
+        return img;
+    }
+
+    public void setImg(String img) {
+        this.img = img;
+    }
+}
diff --git a/TypeController.java b/TypeController.java
new file mode 100644
index 00000000..62ee9395
--- /dev/null
+++ b/TypeController.java
@@ -0,0 +1,87 @@
+package com.example.controller;
+
+import com.example.common.Result;
+import com.example.entity.Type;
+import com.example.service.TypeService;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 公告信息表前端操作接口
+ **/
+@RestController
+@RequestMapping("/type")
+public class TypeController {
+
+    @Resource
+    private TypeService typeService;
+
+    /**
+     * 新增
+     */
+    @PostMapping("/add")
+    public Result add(@RequestBody Type type) {
+        typeService.add(type);
+        return Result.success();
+    }
+
+    /**
+     * 删除
+     */
+    @DeleteMapping("/delete/{id}")
+    public Result deleteById(@PathVariable Integer id) {
+        typeService.deleteById(id);
+        return Result.success();
+    }
+
+    /**
+     * 批量删除
+     */
+    @DeleteMapping("/delete/batch")
+    public Result deleteBatch(@RequestBody List<Integer> ids) {
+        typeService.deleteBatch(ids);
+        return Result.success();
+    }
+
+    /**
+     * 修改
+     */
+    @PutMapping("/update")
+    public Result updateById(@RequestBody Type type) {
+        typeService.updateById(type);
+        return Result.success();
+    }
+
+    /**
+     * 根据ID查询
+     */
+    @GetMapping("/selectById/{id}")
+    public Result selectById(@PathVariable Integer id) {
+        Type type = typeService.selectById(id);
+        return Result.success(type);
+    }
+
+    /**
+     * 查询所有
+     */
+    @GetMapping("/selectAll")
+    public Result selectAll(Type type ) {
+        List<Type> list = typeService.selectAll(type);
+        return Result.success(list);
+    }
+
+    /**
+     * 分页查询
+     */
+    @GetMapping("/selectPage")
+    public Result selectPage(Type type,
+                             @RequestParam(defaultValue = "1") Integer pageNum,
+                             @RequestParam(defaultValue = "10") Integer pageSize) {
+        PageInfo<Type> page = typeService.selectPage(type, pageNum, pageSize);
+        return Result.success(page);
+    }
+
+}
\ No newline at end of file
diff --git a/TypeMapper.java b/TypeMapper.java
new file mode 100644
index 00000000..9a6b8bd0
--- /dev/null
+++ b/TypeMapper.java
@@ -0,0 +1,37 @@
+package com.example.mapper;
+
+import com.example.entity.Type;
+
+import java.util.List;
+
+/**
+ * 操作type相关数据接口
+*/
+public interface TypeMapper {
+
+    /**
+     * 新增
+     */
+    int insert(Type type);
+
+    /**
+     * 删除
+     */
+    int deleteById(Integer id);
+
+    /**
+     * 修改
+     */
+    int updateById(Type type);
+
+    /**
+     * 根据ID查询
+     */
+    Type selectById(Integer id);
+
+    /**
+     * 查询所有
+     */
+    List<Type> selectAll(Type type);
+
+}
\ No newline at end of file
diff --git a/TypeService.java b/TypeService.java
new file mode 100644
index 00000000..81c930c4
--- /dev/null
+++ b/TypeService.java
@@ -0,0 +1,75 @@
+package com.example.service;
+
+
+import com.example.entity.Type;
+import com.example.mapper.TypeMapper;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * 分类信息表业务处理
+ **/
+@Service
+public class TypeService {
+
+    @Resource
+    private TypeMapper typeMapper;
+
+    /**
+     * 新增
+     */
+    public void add(Type type) {
+        typeMapper.insert(type);
+    }
+
+    /**
+     * 删除
+     */
+    public void deleteById(Integer id) {
+        typeMapper.deleteById(id);
+    }
+
+    /**
+     * 批量删除
+     */
+    public void deleteBatch(List<Integer> ids) {
+        for (Integer id : ids) {
+            typeMapper.deleteById(id);
+        }
+    }
+
+    /**
+     * 修改
+     */
+    public void updateById(Type type) {
+        typeMapper.updateById(type);
+    }
+
+    /**
+     * 根据ID查询
+     */
+    public Type selectById(Integer id) {
+        return typeMapper.selectById(id);
+    }
+
+    /**
+     * 查询所有
+     */
+    public List<Type> selectAll(Type type) {
+        return typeMapper.selectAll(type);
+    }
+
+    /**
+     * 分页查询
+     */
+    public PageInfo<Type> selectPage(Type type, Integer pageNum, Integer pageSize) {
+        PageHelper.startPage(pageNum, pageSize);
+        List<Type> list = typeMapper.selectAll(type);
+        return PageInfo.of(list);
+    }
+
+}
\ No newline at end of file