肖海南xml修改

src/main/java/com/teaching/backend/controller/system/SystemController.java

@@ -0,0 +1,21 @@
+package com.teaching.backend.controller.system;
+
+import com.teaching.backend.common.CommonResult;
+import com.teaching.backend.model.vo.report.BrowseReportVO;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@Api(tags = "系统设置接口")
+@RequestMapping("/api/system")
+@Slf4j
+public class SystemController {
+
+
+
+}

src/main/java/com/teaching/backend/model/entity/system/SystemSetting.java

@@ -0,0 +1,54 @@
+package com.teaching.backend.model.entity.system;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+@Data
+@TableName("system_setting")
+public class SystemSetting implements Serializable {
+
+    //主键
+    @TableId(type = IdType.AUTO)
+    private Long id;
+
+    //系统名称
+    private String name;
+
+    //LOGO
+    private String logo;
+
+    //宣传图片
+    private String promotionalImages;
+
+    //登录地址
+    private String loginAddress;
+
+    //标题
+    private String title;
+
+    //版权信息
+    private String copyrightInformation;
+
+    //备案号
+    private String recordNumber;
+
+    //QQ
+    private String qqNumber;
+
+    //邮箱
+    private String mailbox;
+
+    //手机号
+    private String phone;
+
+    //地址
+    private String address;
+
+    //二维码
+    private String qrCode;
+}

src/main/java/com/teaching/backend/service/impl/courses/CoursesServiceImpl.java

@@ -424,7 +424,7 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
 
             // 然后，一次性查询所有学生信息
             List<UmsStudentManage> umsStudentManageLists = studentIds.stream()
-                    .map(studentId -> umsStudentManageMapper.queryStudent(String.valueOf(studentId))) // 假设queryStudent接受Long类型参数
+                    .map(studentId -> umsStudentManageMapper.queryStudent(String.valueOf(studentId)))
                     .filter(Objects::nonNull)
                     .collect(Collectors.toList());
 

src/main/resources/mapper/CourseLearningRecordMapper.xml

@@ -5,18 +5,18 @@
         SELECT
             *
         FROM
-            course_learning_record clr
+            record_course_learning rcl
         WHERE
-            clr.user_id = #{student}
+            rcl.user_id = #{student}
         ORDER BY
             times
                 DESC LIMIT 1;
     </select>
     <select id="selectMaxNumber" resultType="java.lang.String" parameterType="java.lang.String">
         SELECT
-            cln.course_id courseId
+            rcn.course_id courseId
         FROM
-            course_learning_number cln
+            record_course_number rcn
         WHERE
             CONCAT(',', cln.teacher_user_id, ',') LIKE CONCAT('%,', #{userId}, ',%')
         ORDER BY
@@ -25,7 +25,7 @@
     </select>
     <select id="selectMaxCourseId" resultType="java.lang.String" parameterType="java.lang.String">
         SELECT course_id, COUNT(*) as frequency
-        FROM course_learning_record
+        FROM record_course_learning
         WHERE user_id = #{userId}
         GROUP BY course_id
         ORDER BY frequency DESC;

src/main/resources/mapper/KnowledgeLearningRecordMapper.xml

@@ -4,16 +4,16 @@
 
     <select id="queryStudyKnowledgeMaxNumber" resultType="java.lang.String">
         SELECT
-            kln.knowledge_id knowledgeId
+            rkn.knowledge_id knowledgeId
         FROM
-            knowledge_learning_number kln
+            record_knowledge_number rkn
         ORDER BY
             number
                 DESC;
     </select>
     <select id="queryStudyMaxKnowledgeId" resultType="java.lang.String">
         SELECT knowledge_id,knowledge_name
-        FROM knowledge_learning_record
+        FROM record_knowledge_learning
         WHERE user_id = #{userId}
         ORDER BY times DESC;
     </select>