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实现购物车商品添加和管理

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柏码の讲师 2024-11-09 22:32:20 +08:00
parent d1f4c3539f
commit 4bdecfd762
7 changed files with 553 additions and 1 deletions
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136
ruoyi-core/src/main/java/com/ruoyi/system/controller/CartItemController.java Normal file
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package com.ruoyi.system.controller;
import java.math.BigDecimal;
import java.util.List;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.system.domain.Course;
import com.ruoyi.system.service.ICourseService;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.system.domain.CartItem;
import com.ruoyi.system.service.ICartItemService;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.common.core.page.TableDataInfo;
/**
* 购物车商品Controller
*
* @author ruoyi
* @date 2024-11-09
*/
@RestController
@RequestMapping("/system/item")
public class CartItemController extends BaseController
{
@Autowired
private ICartItemService cartItemService;
@Autowired
private ICourseService courseService;
/**
* 查询购物车商品列表
*/
@PreAuthorize("@ss.hasPermi('system:item:list')")
@GetMapping("/list")
public TableDataInfo list(CartItem cartItem)
{
startPage();
List<CartItem> list = cartItemService.selectCartItemList(cartItem);
return getDataTable(list);
}
/**
* 导出购物车商品列表
*/
@PreAuthorize("@ss.hasPermi('system:item:export')")
@Log(title = "购物车商品", businessType = BusinessType.EXPORT)
@PostMapping("/export")
public void export(HttpServletResponse response, CartItem cartItem)
{
List<CartItem> list = cartItemService.selectCartItemList(cartItem);
ExcelUtil<CartItem> util = new ExcelUtil<CartItem>(CartItem.class);
util.exportExcel(response, list, "购物车商品数据");
}
/**
* 获取购物车商品详细信息
*/
@PreAuthorize("@ss.hasPermi('system:item:query')")
@GetMapping(value = "/{id}")
public AjaxResult getInfo(@PathVariable("id") Long id)
{
return success(cartItemService.selectCartItemById(id));
}
/**
* 新增购物车商品
*/
@PreAuthorize("@ss.hasPermi('system:item:add')")
@Log(title = "购物车商品", businessType = BusinessType.INSERT)
@PostMapping
public AjaxResult add(@RequestBody CartItem cartItem)
{
return toAjax(cartItemService.insertCartItem(cartItem));
}
/**
* 修改购物车商品
*/
@PreAuthorize("@ss.hasPermi('system:item:edit')")
@Log(title = "购物车商品", businessType = BusinessType.UPDATE)
@PutMapping
public AjaxResult edit(@RequestBody CartItem cartItem)
{
return toAjax(cartItemService.updateCartItem(cartItem));
}
/**
* 删除购物车商品
*/
@PreAuthorize("@ss.hasPermi('system:item:remove')")
@Log(title = "购物车商品", businessType = BusinessType.DELETE)
@DeleteMapping("/{ids}")
public AjaxResult remove(@PathVariable Long[] ids)
{
return toAjax(cartItemService.deleteCartItemByIds(ids));
}
/**
* 普通用户添加购物车商品
*/
@PostMapping("/add/{courseId}")
public AjaxResult addByUser(@PathVariable Integer courseId) {
Course course = courseService.selectCourseById(courseId);
if(course == null) return toAjax(false);
Long userId = SecurityUtils.getUserId();
CartItem item = cartItemService.selectCartItem(courseId, userId);
if(item == null) {
item = new CartItem();
item.setUid(SecurityUtils.getUserId());
item.setPrice(new BigDecimal(course.getPrice()));
item.setTitle(course.getTitle());
item.setCourseId(courseId.longValue());
item.setCount(1L);
cartItemService.insertCartItem(item);
} else {
item.setCount(item.getCount() + 1L);
cartItemService.updateCartItem(item);
}
return toAjax(true);
}
}

1
ruoyi-core/src/main/java/com/ruoyi/system/controller/CourseController.java
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@ -61,7 +61,6 @@ public class CourseController extends BaseController
/** /**
* 获取课程详细信息 * 获取课程详细信息
*/ */
@PreAuthorize("@ss.hasPermi('system:course:query')")
@GetMapping(value = "/{id}") @GetMapping(value = "/{id}")
public AjaxResult getInfo(@PathVariable("id") Integer id) public AjaxResult getInfo(@PathVariable("id") Integer id)
{ {

108
ruoyi-core/src/main/java/com/ruoyi/system/domain/CartItem.java Normal file
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package com.ruoyi.system.domain;
import java.math.BigDecimal;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import com.ruoyi.common.annotation.Excel;
import com.ruoyi.common.core.domain.BaseEntity;
/**
* 购物车商品对象 db_cart_item
*
* @author ruoyi
* @date 2024-11-09
*/
public class CartItem extends BaseEntity
{
private static final long serialVersionUID = 1L;
/** 商品ID */
private Long id;
/** 用户ID */
@Excel(name = "用户ID")
private Long uid;
/** 课程ID */
@Excel(name = "课程ID")
private Long courseId;
/** 课程标题 */
@Excel(name = "课程标题")
private String title;
/** 价格 */
@Excel(name = "价格")
private BigDecimal price;
/** 数量 */
@Excel(name = "数量")
private Long count;
public void setId(Long id)
{
this.id = id;
}
public Long getId()
{
return id;
}
public void setUid(Long uid)
{
this.uid = uid;
}
public Long getUid()
{
return uid;
}
public void setCourseId(Long courseId)
{
this.courseId = courseId;
}
public Long getCourseId()
{
return courseId;
}
public void setTitle(String title)
{
this.title = title;
}
public String getTitle()
{
return title;
}
public void setPrice(BigDecimal price)
{
this.price = price;
}
public BigDecimal getPrice()
{
return price;
}
public void setCount(Long count)
{
this.count = count;
}
public Long getCount()
{
return count;
}
@Override
public String toString() {
return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
.append("id", getId())
.append("uid", getUid())
.append("courseId", getCourseId())
.append("title", getTitle())
.append("price", getPrice())
.append("count", getCount())
.toString();
}
}

64
ruoyi-core/src/main/java/com/ruoyi/system/mapper/CartItemMapper.java Normal file
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@ -0,0 +1,64 @@
package com.ruoyi.system.mapper;
import java.util.List;
import com.ruoyi.system.domain.CartItem;
import com.ruoyi.system.domain.Course;
/**
* 购物车商品Mapper接口
*
* @author ruoyi
* @date 2024-11-09
*/
public interface CartItemMapper
{
/**
* 查询购物车商品
*
* @param id 购物车商品主键
* @return 购物车商品
*/
public CartItem selectCartItemById(Long id);
CartItem selectCartItem(Integer courseId, Long userId);
/**
* 查询购物车商品列表
*
* @param cartItem 购物车商品
* @return 购物车商品集合
*/
public List<CartItem> selectCartItemList(CartItem cartItem);
/**
* 新增购物车商品
*
* @param cartItem 购物车商品
* @return 结果
*/
public int insertCartItem(CartItem cartItem);
/**
* 修改购物车商品
*
* @param cartItem 购物车商品
* @return 结果
*/
public int updateCartItem(CartItem cartItem);
/**
* 删除购物车商品
*
* @param id 购物车商品主键
* @return 结果
*/
public int deleteCartItemById(Long id);
/**
* 批量删除购物车商品
*
* @param ids 需要删除的数据主键集合
* @return 结果
*/
public int deleteCartItemByIds(Long[] ids);
}

64
ruoyi-core/src/main/java/com/ruoyi/system/service/ICartItemService.java Normal file
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package com.ruoyi.system.service;
import java.util.List;
import com.ruoyi.system.domain.CartItem;
import com.ruoyi.system.domain.Course;
/**
* 购物车商品Service接口
*
* @author ruoyi
* @date 2024-11-09
*/
public interface ICartItemService
{
/**
* 查询购物车商品
*
* @param id 购物车商品主键
* @return 购物车商品
*/
public CartItem selectCartItemById(Long id);
/**
* 查询购物车商品列表
*
* @param cartItem 购物车商品
* @return 购物车商品集合
*/
public List<CartItem> selectCartItemList(CartItem cartItem);
/**
* 新增购物车商品
*
* @param cartItem 购物车商品
* @return 结果
*/
public int insertCartItem(CartItem cartItem);
public CartItem selectCartItem(Integer courseId, Long userId);
/**
* 修改购物车商品
*
* @param cartItem 购物车商品
* @return 结果
*/
public int updateCartItem(CartItem cartItem);
/**
* 批量删除购物车商品
*
* @param ids 需要删除的购物车商品主键集合
* @return 结果
*/
public int deleteCartItemByIds(Long[] ids);
/**
* 删除购物车商品信息
*
* @param id 购物车商品主键
* @return 结果
*/
public int deleteCartItemById(Long id);
}

100
ruoyi-core/src/main/java/com/ruoyi/system/service/impl/CartItemServiceImpl.java Normal file
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@ -0,0 +1,100 @@
package com.ruoyi.system.service.impl;
import java.util.List;
import com.ruoyi.system.domain.Course;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ruoyi.system.mapper.CartItemMapper;
import com.ruoyi.system.domain.CartItem;
import com.ruoyi.system.service.ICartItemService;
/**
* 购物车商品Service业务层处理
*
* @author ruoyi
* @date 2024-11-09
*/
@Service
public class CartItemServiceImpl implements ICartItemService
{
@Autowired
private CartItemMapper cartItemMapper;
/**
* 查询购物车商品
*
* @param id 购物车商品主键
* @return 购物车商品
*/
@Override
public CartItem selectCartItemById(Long id)
{
return cartItemMapper.selectCartItemById(id);
}
@Override
public CartItem selectCartItem(Integer courseId, Long userId) {
return cartItemMapper.selectCartItem(courseId, userId);
}
/**
* 查询购物车商品列表
*
* @param cartItem 购物车商品
* @return 购物车商品
*/
@Override
public List<CartItem> selectCartItemList(CartItem cartItem)
{
return cartItemMapper.selectCartItemList(cartItem);
}
/**
* 新增购物车商品
*
* @param cartItem 购物车商品
* @return 结果
*/
@Override
public int insertCartItem(CartItem cartItem)
{
return cartItemMapper.insertCartItem(cartItem);
}
/**
* 修改购物车商品
*
* @param cartItem 购物车商品
* @return 结果
*/
@Override
public int updateCartItem(CartItem cartItem)
{
return cartItemMapper.updateCartItem(cartItem);
}
/**
* 批量删除购物车商品
*
* @param ids 需要删除的购物车商品主键
* @return 结果
*/
@Override
public int deleteCartItemByIds(Long[] ids)
{
return cartItemMapper.deleteCartItemByIds(ids);
}
/**
* 删除购物车商品信息
*
* @param id 购物车商品主键
* @return 结果
*/
@Override
public int deleteCartItemById(Long id)
{
return cartItemMapper.deleteCartItemById(id);
}
}

81
ruoyi-core/src/main/resources/mapper/system/CartItemMapper.xml Normal file
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@ -0,0 +1,81 @@
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ruoyi.system.mapper.CartItemMapper">
<resultMap type="CartItem" id="CartItemResult">
<result property="id" column="id" />
<result property="uid" column="uid" />
<result property="courseId" column="course_id" />
<result property="title" column="title" />
<result property="price" column="price" />
<result property="count" column="count" />
</resultMap>
<sql id="selectCartItemVo">
select id, uid, course_id, title, price, count from db_cart_item
</sql>
<select id="selectCartItemList" parameterType="CartItem" resultMap="CartItemResult">
<include refid="selectCartItemVo"/>
<where>
<if test="uid != null "> and uid = #{uid}</if>
<if test="courseId != null "> and course_id = #{courseId}</if>
<if test="title != null and title != ''"> and title = #{title}</if>
<if test="price != null "> and price = #{price}</if>
<if test="count != null "> and count = #{count}</if>
</where>
</select>
<select id="selectCartItemById" parameterType="Long" resultMap="CartItemResult">
<include refid="selectCartItemVo"/>
where id = #{id}
</select>
<select id="selectCartItem" resultMap="CartItemResult">
<include refid="selectCartItemVo"/>
where course_id = #{courseId} and uid = #{userId}
</select>
<insert id="insertCartItem" parameterType="CartItem" useGeneratedKeys="true" keyProperty="id">
insert into db_cart_item
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="uid != null">uid,</if>
<if test="courseId != null">course_id,</if>
<if test="title != null">title,</if>
<if test="price != null">price,</if>
<if test="count != null">count,</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="uid != null">#{uid},</if>
<if test="courseId != null">#{courseId},</if>
<if test="title != null">#{title},</if>
<if test="price != null">#{price},</if>
<if test="count != null">#{count},</if>
</trim>
</insert>
<update id="updateCartItem" parameterType="CartItem">
update db_cart_item
<trim prefix="SET" suffixOverrides=",">
<if test="uid != null">uid = #{uid},</if>
<if test="courseId != null">course_id = #{courseId},</if>
<if test="title != null">title = #{title},</if>
<if test="price != null">price = #{price},</if>
<if test="count != null">count = #{count},</if>
</trim>
where id = #{id}
</update>
<delete id="deleteCartItemById" parameterType="Long">
delete from db_cart_item where id = #{id}
</delete>
<delete id="deleteCartItemByIds" parameterType="String">
delete from db_cart_item where id in
<foreach item="id" collection="array" open="(" separator="," close=")">
#{id}
</foreach>
</delete>
</mapper>