添加的功能：小程序端用户查看当前课程推广码

修改的bug: Web端管理员根据课程id分页查询课程章节

src/main/java/com/greenorange/promotion/controller/course/CourseController.java

@@ -20,6 +20,7 @@ import com.greenorange.promotion.model.dto.course.CourseQueryRequest;
 import com.greenorange.promotion.model.dto.course.CourseUpdateRequest;
 import com.greenorange.promotion.model.entity.Course;
 import com.greenorange.promotion.model.entity.CourseChapter;
+import com.greenorange.promotion.model.entity.CourseQrcodeApply;
 import com.greenorange.promotion.model.entity.ProjectCommission;
 import com.greenorange.promotion.model.vo.course.CourseCardVO;
 import com.greenorange.promotion.model.vo.course.CourseDetailVO;
@@ -27,6 +28,7 @@ import com.greenorange.promotion.model.vo.course.CourseVO;
 import com.greenorange.promotion.model.vo.courseChapter.CourseChapterVO;
 import com.greenorange.promotion.service.common.CommonService;
 import com.greenorange.promotion.service.course.CourseChapterService;
+import com.greenorange.promotion.service.course.CourseQrcodeApplyService;
 import com.greenorange.promotion.service.course.CourseService;
 import com.greenorange.promotion.service.wechat.WechatGetQrcodeService;
 import io.swagger.v3.oas.annotations.Operation;
@@ -67,6 +69,9 @@ public class CourseController {
     @Resource
     private WechatGetQrcodeService wechatGetQrcodeService;
 
+    @Resource
+    private CourseQrcodeApplyService courseQrcodeApplyService;
+
 
 
     /**
@@ -160,6 +165,27 @@ public class CourseController {
     }
 
 
+    /**
+     * 小程序端用户查看当前课程推广码
+     * @param commonRequest 课程id
+     * @return 课程推广码(view值)
+     */
+    @PostMapping("verify")
+    @Operation(summary = "小程序端用户查看当前课程推广码", description = "参数：课程id，权限：管理员，方法名：verifyIsApplyCourseQrcode")
+    @RequiresPermission(mustRole = UserConstant.DEFAULT_ROLE)
+    @SysLog(title = "课程管理", content = "小程序端用户查看当前课程推广码")
+    public BaseResponse<String> verifyIsApplyCourseQrcode(@Valid @RequestBody CommonRequest commonRequest, HttpServletRequest request) {
+        Long userId = (Long) request.getAttribute("userId");
+        Long courseId = commonRequest.getId();
+        LambdaQueryWrapper<CourseQrcodeApply> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+        lambdaQueryWrapper.eq(CourseQrcodeApply::getUserId, userId).eq(CourseQrcodeApply::getCourseId, courseId);
+        CourseQrcodeApply courseQrcodeApply = courseQrcodeApplyService.getOne(lambdaQueryWrapper);
+        ThrowUtils.throwIf(courseQrcodeApply == null, ErrorCode.OPERATION_ERROR, "当前用户尚未申请该课程的推广码");
+        return ResultUtils.success(courseQrcodeApply.getCourseQrcode());
+    }
+
+
+
 
 
 

src/main/java/com/greenorange/promotion/mapper/CourseQrcodeApplyMapper.java

@@ -0,0 +1,18 @@
+package com.greenorange.promotion.mapper;
+
+import com.greenorange.promotion.model.entity.CourseQrcodeApply;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author 35880
+* @description 针对表【course_qrcode_apply(课程推广码申请表)】的数据库操作Mapper
+* @createDate 2025-06-24 22:10:39
+* @Entity com.greenorange.promotion.model.entity.CourseQrcodeApply
+*/
+public interface CourseQrcodeApplyMapper extends BaseMapper<CourseQrcodeApply> {
+
+}
+
+
+
+

src/main/java/com/greenorange/promotion/model/entity/CourseQrcodeApply.java

@@ -0,0 +1,63 @@
+package com.greenorange.promotion.model.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.io.Serializable;
+import java.util.Date;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 课程推广码申请表
+ * @TableName course_qrcode_apply
+ */
+@TableName(value ="course_qrcode_apply")
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class CourseQrcodeApply implements Serializable {
+    /**
+     * 课程推广码申请id
+     */
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+    /**
+     * 用户id
+     */
+    private Long userId;
+
+    /**
+     * 课程id
+     */
+    private Long courseId;
+
+    /**
+     * 课程推广码(view值)
+     */
+    private String courseQrcode;
+
+    /**
+     * 是否删除
+     */
+    private Integer isDelete;
+
+    /**
+     * 创建时间
+     */
+    private Date createTime;
+
+    /**
+     * 更新时间
+     */
+    private Date updateTime;
+
+    @TableField(exist = false)
+    private static final long serialVersionUID = 1L;
+}

src/main/java/com/greenorange/promotion/service/course/CourseQrcodeApplyService.java

@@ -0,0 +1,13 @@
+package com.greenorange.promotion.service.course;
+
+import com.greenorange.promotion.model.entity.CourseQrcodeApply;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+* @author 35880
+* @description 针对表【course_qrcode_apply(课程推广码申请表)】的数据库操作Service
+* @createDate 2025-06-24 22:10:39
+*/
+public interface CourseQrcodeApplyService extends IService<CourseQrcodeApply> {
+
+}

src/main/java/com/greenorange/promotion/service/course/impl/CourseQrcodeApplyServiceImpl.java

@@ -0,0 +1,22 @@
+package com.greenorange.promotion.service.course.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.greenorange.promotion.model.entity.CourseQrcodeApply;
+import com.greenorange.promotion.service.course.CourseQrcodeApplyService;
+import com.greenorange.promotion.mapper.CourseQrcodeApplyMapper;
+import org.springframework.stereotype.Service;
+
+/**
+* @author 35880
+* @description 针对表【course_qrcode_apply(课程推广码申请表)】的数据库操作Service实现
+* @createDate 2025-06-24 22:10:39
+*/
+@Service
+public class CourseQrcodeApplyServiceImpl extends ServiceImpl<CourseQrcodeApplyMapper, CourseQrcodeApply>
+    implements CourseQrcodeApplyService{
+
+}
+
+
+
+

src/main/java/com/greenorange/promotion/service/wechat/impl/WechatGetQrcodeServiceImpl.java

@@ -17,8 +17,10 @@ import com.greenorange.promotion.exception.BusinessException;
 import com.greenorange.promotion.mapper.UserInfoMapper;
 import com.greenorange.promotion.model.dto.CommonRequest;
 import com.greenorange.promotion.model.entity.Course;
+import com.greenorange.promotion.model.entity.CourseQrcodeApply;
 import com.greenorange.promotion.model.entity.FileInfo;
 import com.greenorange.promotion.model.entity.UserInfo;
+import com.greenorange.promotion.service.course.CourseQrcodeApplyService;
 import com.greenorange.promotion.service.course.CourseService;
 import com.greenorange.promotion.service.file.FileInfoService;
 import com.greenorange.promotion.service.userInfo.UserInfoService;
@@ -78,6 +80,9 @@ public class WechatGetQrcodeServiceImpl implements WechatGetQrcodeService {
     @Resource
     private CourseService courseService;
 
+    @Resource
+    private CourseQrcodeApplyService courseQrcodeApplyService;
+
 
     /**
      * 获取接口调用凭据
@@ -218,16 +223,17 @@ public class WechatGetQrcodeServiceImpl implements WechatGetQrcodeService {
         UserInfo userInfo = userInfoMapper.selectById(userId);
         String invitationCode = userInfo.getInvitationCode();
         // 获取课程信息
-        Long id = commonRequest.getId();
-        Course course = courseService.getById(id);
+        Long courseId = commonRequest.getId();
+        Course course = courseService.getById(courseId);
         String courseTitle = course.getName();
         String originalPrice = String.valueOf(course.getOriginPrice());
         String discountPrice = String.valueOf(course.getDiscountPrice());
         String discountText = "元券后价";
 
+
         Map<String, Object> param = new HashMap<>();
         param.put("page", "pages/loginModule/register/register");
-        param.put("scene", "invitationCode=" + invitationCode + "&courseId=" + id);
+        param.put("scene", "invitationCode=" + invitationCode + "&courseId=" + courseId);
         param.put("width", 430);
         param.put("check_path", false);
         param.put("env_version", "develop");
@@ -239,7 +245,6 @@ public class WechatGetQrcodeServiceImpl implements WechatGetQrcodeService {
                 .execute()
                 .bodyBytes();
 
-
         String FontType = "Microsoft YaHei UI";
         int FontStyle = Font.PLAIN;
 
@@ -331,7 +336,16 @@ public class WechatGetQrcodeServiceImpl implements WechatGetQrcodeService {
                 .hashValue(hashValue)
                 .build();
         fileInfoService.save(fileInfo);
-        return biz + "-" + view;
+
+        String viewValue = biz + "-" + view;
+        // 保存课程推广码申请记录
+        CourseQrcodeApply courseQrcodeApply = CourseQrcodeApply.builder()
+                .userId(userId)
+                .courseId(courseId)
+                .courseQrcode(viewValue)
+                .build();
+        courseQrcodeApplyService.save(courseQrcodeApply);
+        return viewValue;
     }
 
 

src/main/resources/mapper/CourseQrcodeApplyMapper.xml

@@ -0,0 +1,20 @@
+<?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.greenorange.promotion.mapper.CourseQrcodeApplyMapper">
+
+    <resultMap id="BaseResultMap" type="com.greenorange.promotion.model.entity.CourseQrcodeApply">
+            <id property="id" column="id" jdbcType="BIGINT"/>
+            <result property="userId" column="userId" jdbcType="BIGINT"/>
+            <result property="courseId" column="courseId" jdbcType="BIGINT"/>
+            <result property="isDelete" column="isDelete" jdbcType="TINYINT"/>
+            <result property="createTime" column="createTime" jdbcType="TIMESTAMP"/>
+            <result property="updateTime" column="updateTime" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,userId,courseId,
+        isDelete,createTime,updateTime
+    </sql>
+</mapper>