diff --git a/src/main/java/com/teaching/backend/controller/records/CourseLearningRecordController.java b/src/main/java/com/teaching/backend/controller/records/CourseLearningRecordController.java
index cb67129..f44ee58 100644
--- a/src/main/java/com/teaching/backend/controller/records/CourseLearningRecordController.java
+++ b/src/main/java/com/teaching/backend/controller/records/CourseLearningRecordController.java
@@ -1,12 +1,54 @@
 package com.teaching.backend.controller.records;
 
 
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.filter.ValidateParams;
+import com.teaching.backend.model.entity.records.CourseLearningRecord;
+import com.teaching.backend.service.impl.records.CourseLearningRecordServiceImpl;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
 
 @RestController
-@RequestMapping("/api/courselearingRecord")
+@RequestMapping("/api/courselearingrecord")
 public class CourseLearningRecordController {
+    @Resource
+    private CourseLearningRecordServiceImpl courseLearningRecordService;
+
+    @ApiOperation("添加课程学习记录")
+    @ValidateParams({"userId","courseId"})
+    @PostMapping("/saverecords")
+    public BaseResponse<String> saveCoursesRecords(@RequestBody CourseLearningRecord courseLearningRecord){
+        return courseLearningRecordService.saveCoursesRecords(courseLearningRecord);
+    }
+
+    /**
+     * 获取当前登录用户的学习课程记录
+     * @param pagenum
+     * @param pagesize
+     * @return
+     */
+    @ApiOperation("根据用户id查询学习记录")
+    @ValidateParams({"userId"})
+    @GetMapping("/page")
+    public BaseResponse<Page> getAll(@RequestParam(value = "pagenum", defaultValue = "1") int pagenum,
+                                     @RequestParam(value = "pagesize", defaultValue = "10") int pagesize,
+                                     @RequestParam String userId){
+        return courseLearningRecordService.getPage(pagenum, pagesize, userId);
+    }
 
+    /**
+     * 根据ids删除
+     * @param ids
+     * @return
+     */
+    @ApiOperation("学习记录删除")
+    @DeleteMapping("/delete")
+    public BaseResponse<String> deleteRecords(@RequestParam List<Long> ids){
+        return courseLearningRecordService.removeCoursesRecords(ids);
+    }
 
 }
diff --git a/src/main/java/com/teaching/backend/controller/records/KnowledgeLearningRecordController.java b/src/main/java/com/teaching/backend/controller/records/KnowledgeLearningRecordController.java
new file mode 100644
index 0000000..eb924c9
--- /dev/null
+++ b/src/main/java/com/teaching/backend/controller/records/KnowledgeLearningRecordController.java
@@ -0,0 +1,31 @@
+package com.teaching.backend.controller.records;
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.filter.ValidateParams;
+import com.teaching.backend.model.entity.records.CourseLearningRecord;
+import com.teaching.backend.model.entity.records.KnowledgeLearningRecord;
+import com.teaching.backend.service.impl.records.KnowledgeLearningRecordServiceImpl;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+
+@RestController
+@RequestMapping("/api/knowledgelearning")
+public class KnowledgeLearningRecordController {
+    @Resource
+    private KnowledgeLearningRecordServiceImpl knowledgeLearningRecordService;
+
+    @ApiOperation("添加知识点学习记录")
+//    @ValidateParams({"userId","type","coursesId"})
+    @PostMapping("/saverecords")
+    public BaseResponse<String> saveKnowledgeRecords(@RequestBody KnowledgeLearningRecord knowledgeLearningRecord){
+        knowledgeLearningRecordService.save(knowledgeLearningRecord);
+        return ResultUtils.success("添加成功");
+    }
+
+}
diff --git a/src/main/java/com/teaching/backend/controller/records/LearningRecordsController.java b/src/main/java/com/teaching/backend/controller/records/LearningRecordsController.java
index 474e0e9..9b88c24 100644
--- a/src/main/java/com/teaching/backend/controller/records/LearningRecordsController.java
+++ b/src/main/java/com/teaching/backend/controller/records/LearningRecordsController.java
@@ -1,89 +1,105 @@
-//package com.teaching.backend.controller.records;
-//
-//
-//import com.baomidou.mybatisplus.extension.conditions.query.QueryChainWrapper;
-//import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
-//import com.teaching.backend.common.BaseResponse;
-//import com.teaching.backend.common.ResultUtils;
-//
-//import com.teaching.backend.filter.ValidateParams;
-//import com.teaching.backend.model.entity.records.LearningRecords;
-//import com.teaching.backend.model.vo.records.LearningRecordsVo;
-//import com.teaching.backend.service.impl.records.LearningRecordsServiceImpl;
-//import io.swagger.annotations.ApiOperation;
-//import org.springframework.beans.factory.annotation.Autowired;
-//import org.springframework.ui.Model;
-//import org.springframework.web.bind.annotation.*;
-//
-//import java.util.ArrayList;
-//import java.util.List;
-//
-//@RestController
-//@RequestMapping("/api/learningrecords")
-//public class LearningRecordsController {
-//
-//    @Autowired
-//    private LearningRecordsServiceImpl learningRecordsService;
-//
-//
-//    /**
-//     * 获取当前登录用户的学习记录
-//     * @param pagenum
-//     * @param pagesize
-//     * @return
-//     */
-//    @ApiOperation("根据用户id查询学习记录")
-//    @ValidateParams({"userId"})
-//    @GetMapping("/getall")
-//    public BaseResponse<Page> getAll(@RequestParam(value = "pagenum", defaultValue = "1") int pagenum,
-//                                     @RequestParam(value = "pagesize", defaultValue = "10") int pagesize,
-//                                     @RequestParam String userId){
-//        //根据用户查询
-//        Page<LearningRecords> page = learningRecordsService.query()
-//                .orderByDesc("time")
-//                .eq("status", "1")
-//                .eq("user_id", userId).page(new Page<>(pagenum, pagesize));
-//        //获取当前页数据
-//        List<LearningRecords> list = page.getRecords();
-//        List<LearningRecordsVo> cs= learningRecordsService.getAll(list);
-//
-//        long total = page.getTotal(); // 总记录数
-//        Page<LearningRecordsVo> pageInfo = new Page<>(pagenum,pagesize,total);
-//        pageInfo.setRecords(cs);
-//        pageInfo.setPages(page.getPages());//设置总页数
-//        return ResultUtils.success(pageInfo);
-//    }
-//
-//    @ApiOperation("查询所有")
-//    @GetMapping("/all")
-//    public BaseResponse<List<LearningRecords>> All(){
-////        System.out.println("学习记录:"+learningRecordsService.list());
-//
-//        return ResultUtils.success(learningRecordsService.list());
-//    }
-//
-//    //资源类型: 1,课程学习记录,2,知识点学习记录,3课程资源学习记录
-//    /**
-//     * 添加课程记录
-//     * @param learningRecords
-//     * @return
-//     */
-//    @ApiOperation("添加学习记录")
-//    @ValidateParams({"userId","type","coursesId"})
-//    @PostMapping("/saverecords")
-//    public BaseResponse<String> saveRecords(@RequestBody LearningRecords learningRecords){
-////        System.out.println(learningRecords);
-//        return ResultUtils.success(learningRecordsService.saveRecords(learningRecords));
-//    }
-//
-//    /**
-//     * 根据id删除
-//     * @param ids
-//     * @return
-//     */
-//    @DeleteMapping("/delete")
-//    //@ValidateParams({"ids"})
-//    public BaseResponse<String> deleteRecords(@RequestParam List<Long> ids){
-//        return ResultUtils.success(learningRecordsService.delete(ids));
-//    }
-//}
+package com.teaching.backend.controller.records;
+
+
+import com.baomidou.mybatisplus.extension.conditions.query.QueryChainWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+
+import com.teaching.backend.filter.ValidateParams;
+import com.teaching.backend.model.entity.records.CourseLearningRecord;
+import com.teaching.backend.model.entity.records.LearningRecords;
+import com.teaching.backend.model.vo.records.CourseLearningRecordsVo;
+import com.teaching.backend.model.vo.records.LearningRecordsVo;
+import com.teaching.backend.service.impl.records.LearningRecordsServiceImpl;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/learningrecords")
+public class LearningRecordsController {
+
+    @Autowired
+    private LearningRecordsServiceImpl learningRecordsService;
+
+
+    /**
+     * 获取当前登录用户的学习记录
+     * @param pagenum
+     * @param pagesize
+     * @return
+     */
+    @ApiOperation("根据用户id查询学习记录")
+    @ValidateParams({"userId"})
+    @GetMapping("/getall")
+    public BaseResponse<Page> getAll(@RequestParam(value = "pagenum", defaultValue = "1") int pagenum,
+                                     @RequestParam(value = "pagesize", defaultValue = "10") int pagesize,
+                                     @RequestParam String userId){
+        //根据用户查询
+        Page<LearningRecords> page = learningRecordsService.query()
+                .orderByDesc("time")
+                .eq("status", "1")
+                .eq("user_id", userId).page(new Page<>(pagenum, pagesize));
+        //获取当前页数据
+        List<LearningRecords> list = page.getRecords();
+        List<LearningRecordsVo> cs= learningRecordsService.getAll(list);
+
+        long total = page.getTotal(); // 总记录数
+        Page<LearningRecordsVo> pageInfo = new Page<>(pagenum,pagesize,total);
+        pageInfo.setRecords(cs);
+        pageInfo.setPages(page.getPages());//设置总页数
+        return ResultUtils.success(pageInfo);
+    }
+
+    @ApiOperation("查询所有")
+    @GetMapping("/all")
+    public BaseResponse<List<LearningRecords>> All(){
+//        System.out.println("学习记录:"+learningRecordsService.list());
+
+        return ResultUtils.success(learningRecordsService.list());
+    }
+
+    //资源类型: 1,课程学习记录,2,知识点学习记录,3课程资源学习记录
+    /**
+     * 添加课程记录
+     * @param learningRecords
+     * @return
+     */
+    @ApiOperation("添加学习记录")
+    @ValidateParams({"userId","type","coursesId"})
+    @PostMapping("/saverecords")
+    public BaseResponse<String> saveRecords(@RequestBody LearningRecords learningRecords){
+//        System.out.println(learningRecords);
+        return ResultUtils.success(learningRecordsService.saveRecords(learningRecords));
+    }
+    /**
+     *
+     */
+
+
+    /**
+     * 根据ids删除
+     * @param ids
+     * @return
+     */
+    @ApiOperation("学习记录删除")
+    @DeleteMapping("/delete")
+    public BaseResponse<String> deleteRecords(@RequestParam List<Long> ids){
+        return ResultUtils.success(learningRecordsService.delete(ids));
+    }
+
+    /**
+     * 统计单个学生的学习记录
+     */
+    @ApiOperation("单个学生学习记录统计")
+    @GetMapping("/count")
+    public BaseResponse<CourseLearningRecordsVo> countLearningRecord(@RequestParam String userId, @RequestParam String courseId){
+        return learningRecordsService.countLearningRecord(userId,courseId);
+    }
+
+}
diff --git a/src/main/java/com/teaching/backend/controller/records/ResourceLearningRecordController.java b/src/main/java/com/teaching/backend/controller/records/ResourceLearningRecordController.java
new file mode 100644
index 0000000..751f0fa
--- /dev/null
+++ b/src/main/java/com/teaching/backend/controller/records/ResourceLearningRecordController.java
@@ -0,0 +1,30 @@
+package com.teaching.backend.controller.records;
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.model.entity.records.KnowledgeLearningRecord;
+import com.teaching.backend.model.entity.records.ResourceLearningRecord;
+import com.teaching.backend.service.impl.records.KnowledgeLearningRecordServiceImpl;
+import com.teaching.backend.service.impl.records.ResourceLearningRecordServiceImpl;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+
+@RestController
+@RequestMapping("/api/resourcelearningrecords")
+public class ResourceLearningRecordController {
+    @Resource
+    private ResourceLearningRecordServiceImpl resourceLearningRecordService;
+
+    @ApiOperation("添加资源学习记录")
+//    @ValidateParams({"userId","type","coursesId"})
+    @PostMapping("/saverecords")
+    public BaseResponse<String> saveResourceRecords(@RequestBody ResourceLearningRecord resourceLearningRecord) {
+        resourceLearningRecordService.save(resourceLearningRecord);
+        return ResultUtils.success("添加成功");
+    }
+}
diff --git a/src/main/java/com/teaching/backend/mapper/courses/CourseLearningNumberMapper.java b/src/main/java/com/teaching/backend/mapper/courses/CourseLearningNumberMapper.java
new file mode 100644
index 0000000..e30dc6d
--- /dev/null
+++ b/src/main/java/com/teaching/backend/mapper/courses/CourseLearningNumberMapper.java
@@ -0,0 +1,17 @@
+package com.teaching.backend.mapper.courses;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.courses.CourseLearningNumber;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+public interface CourseLearningNumberMapper extends BaseMapper<CourseLearningNumber> {
+
+}
diff --git a/src/main/java/com/teaching/backend/model/entity/courses/CourseLearningNumber.java b/src/main/java/com/teaching/backend/model/entity/courses/CourseLearningNumber.java
new file mode 100644
index 0000000..72566b0
--- /dev/null
+++ b/src/main/java/com/teaching/backend/model/entity/courses/CourseLearningNumber.java
@@ -0,0 +1,44 @@
+package com.teaching.backend.model.entity.courses;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.io.Serializable;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("course_learning_number")
+@ApiModel(value="CourseLearningNumber对象", description="")
+public class CourseLearningNumber implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "课程学习id")
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
+    private String id;
+
+    @ApiModelProperty(value = "课程id")
+    @TableField("course_id")
+    private String courseId;
+
+    @ApiModelProperty(value = "课程学习人数")
+    @TableField("number")
+    private Integer number;
+
+
+}
diff --git a/src/main/java/com/teaching/backend/model/entity/records/CourseLearningRecord.java b/src/main/java/com/teaching/backend/model/entity/records/CourseLearningRecord.java
index acd207b..80223e7 100644
--- a/src/main/java/com/teaching/backend/model/entity/records/CourseLearningRecord.java
+++ b/src/main/java/com/teaching/backend/model/entity/records/CourseLearningRecord.java
@@ -30,7 +30,7 @@ public class CourseLearningRecord implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @ApiModelProperty(value = " 课程记录id")
-    @TableId(value = "id", type = IdType.AUTO)
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
     private String id;
 
     @ApiModelProperty(value = "课程id")
@@ -43,7 +43,7 @@ public class CourseLearningRecord implements Serializable {
 
     @ApiModelProperty(value = "观看人数")
     @TableField("number")
-    private Integer number;
+    private String number;
 
     @ApiModelProperty(value = "记录封面")
     @TableField("img")
diff --git a/src/main/java/com/teaching/backend/model/entity/records/KnowledgeLearningRecord.java b/src/main/java/com/teaching/backend/model/entity/records/KnowledgeLearningRecord.java
index f7c1ed5..2aa091b 100644
--- a/src/main/java/com/teaching/backend/model/entity/records/KnowledgeLearningRecord.java
+++ b/src/main/java/com/teaching/backend/model/entity/records/KnowledgeLearningRecord.java
@@ -37,6 +37,10 @@ public class KnowledgeLearningRecord implements Serializable {
     @TableField("knowledge_id")
     private String knowledgeId;
 
+    @ApiModelProperty(value = "课程id")
+    @TableField("courses_id")
+    private String coursesId;
+
     @ApiModelProperty(value = "用户id")
     @TableField("user_id")
     private String userId;
diff --git a/src/main/java/com/teaching/backend/model/entity/records/LearningRecords.java b/src/main/java/com/teaching/backend/model/entity/records/LearningRecords.java
index 510f29d..0ea46e7 100644
--- a/src/main/java/com/teaching/backend/model/entity/records/LearningRecords.java
+++ b/src/main/java/com/teaching/backend/model/entity/records/LearningRecords.java
@@ -49,8 +49,8 @@ public class LearningRecords {
     private String download;
     /**
      *视频学习时长
-     *
-    private String videoDuration;
+     */
+    private Integer videoDuration;
 
     /**
      *是否完成观看：1，已完成，0未完成
diff --git a/src/main/java/com/teaching/backend/model/entity/records/ResourceLearningRecord.java b/src/main/java/com/teaching/backend/model/entity/records/ResourceLearningRecord.java
index 95de9f2..2b9f027 100644
--- a/src/main/java/com/teaching/backend/model/entity/records/ResourceLearningRecord.java
+++ b/src/main/java/com/teaching/backend/model/entity/records/ResourceLearningRecord.java
@@ -37,6 +37,14 @@ public class ResourceLearningRecord implements Serializable {
     @TableField("resource_id")
     private String resourceId;
 
+    @ApiModelProperty(value = "知识点id")
+    @TableField("knowledge_id")
+    private String knowledgeId;
+
+    @ApiModelProperty(value = "课程id")
+    @TableField("courses_id")
+    private String coursesId;
+
     @ApiModelProperty(value = "用户id")
     @TableField("user_id")
     private String userId;
diff --git a/src/main/java/com/teaching/backend/model/vo/records/CourseLearningRecordsVo.java b/src/main/java/com/teaching/backend/model/vo/records/CourseLearningRecordsVo.java
new file mode 100644
index 0000000..1260a73
--- /dev/null
+++ b/src/main/java/com/teaching/backend/model/vo/records/CourseLearningRecordsVo.java
@@ -0,0 +1,40 @@
+package com.teaching.backend.model.vo.records;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@ApiModel(description = "课程学习记录")
+public class CourseLearningRecordsVo {
+
+    /**
+     * 课程学习id
+     */
+    private String id;
+    /**
+     * 课程名称
+     */
+    private String courseName;
+    /**
+     * 用户id
+     */
+    private String userId;
+    /**
+     * 学习人数
+     */
+    private Integer number;
+    /**
+     * 封面
+     */
+    private String img;
+    /**
+     * 学习时间
+     */
+    private String time;
+}
diff --git a/src/main/java/com/teaching/backend/model/vo/records/LearningRecordsVo.java b/src/main/java/com/teaching/backend/model/vo/records/LearningRecordsVo.java
index 345c436..136c8d3 100644
--- a/src/main/java/com/teaching/backend/model/vo/records/LearningRecordsVo.java
+++ b/src/main/java/com/teaching/backend/model/vo/records/LearningRecordsVo.java
@@ -1,12 +1,12 @@
 package com.teaching.backend.model.vo.records;
 
+import io.swagger.annotations.ApiModel;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
 
 @Data
-@EqualsAndHashCode(callSuper = false)
-@Accessors(chain = true)
+@ApiModel(description = "学习记录")
 public class LearningRecordsVo {
 //    private static final long serialVersionUID = 1L;
 
diff --git a/src/main/java/com/teaching/backend/service/courses/ICourseLearningNumberService.java b/src/main/java/com/teaching/backend/service/courses/ICourseLearningNumberService.java
new file mode 100644
index 0000000..ba882e1
--- /dev/null
+++ b/src/main/java/com/teaching/backend/service/courses/ICourseLearningNumberService.java
@@ -0,0 +1,17 @@
+package com.teaching.backend.service.courses;
+
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.model.entity.courses.CourseLearningNumber;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+public interface ICourseLearningNumberService extends IService<CourseLearningNumber> {
+
+}
diff --git a/src/main/java/com/teaching/backend/service/impl/courses/CourseLearningNumberServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/courses/CourseLearningNumberServiceImpl.java
new file mode 100644
index 0000000..ce62b53
--- /dev/null
+++ b/src/main/java/com/teaching/backend/service/impl/courses/CourseLearningNumberServiceImpl.java
@@ -0,0 +1,22 @@
+package com.teaching.backend.service.impl.courses;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.mapper.courses.CourseLearningNumberMapper;
+import com.teaching.backend.model.entity.courses.CourseLearningNumber;
+import com.teaching.backend.service.courses.ICourseLearningNumberService;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+@Service
+public class CourseLearningNumberServiceImpl extends ServiceImpl<CourseLearningNumberMapper, CourseLearningNumber> implements ICourseLearningNumberService {
+
+
+}
diff --git a/src/main/java/com/teaching/backend/service/impl/records/CourseLearningRecordServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/records/CourseLearningRecordServiceImpl.java
index 0ed2c5c..0b16ab3 100644
--- a/src/main/java/com/teaching/backend/service/impl/records/CourseLearningRecordServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/records/CourseLearningRecordServiceImpl.java
@@ -2,12 +2,28 @@ package com.teaching.backend.service.impl.records;
 
 
 
+import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
 import com.teaching.backend.mapper.records.CourseLearningRecordMapper;
+import com.teaching.backend.model.entity.courses.CourseLearningNumber;
 import com.teaching.backend.model.entity.records.CourseLearningRecord;
+import com.teaching.backend.model.vo.records.CourseLearningRecordsVo;
+import com.teaching.backend.service.impl.courses.CourseLearningNumberServiceImpl;
+import com.teaching.backend.service.impl.courses.CoursesServiceImpl;
 import com.teaching.backend.service.records.ICourseLearningRecordService;
 import org.springframework.stereotype.Service;
 
+import javax.annotation.Resource;
+import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
 /**
  * <p>
  *  服务实现类
@@ -19,4 +35,78 @@ import org.springframework.stereotype.Service;
 @Service
 public class CourseLearningRecordServiceImpl extends ServiceImpl<CourseLearningRecordMapper, CourseLearningRecord> implements ICourseLearningRecordService {
 
+    @Resource
+    private CourseLearningNumberServiceImpl courseLearningNumberService;
+    @Resource
+    private CoursesServiceImpl  coursesService;
+    @Override
+    public BaseResponse<String> saveCoursesRecords(CourseLearningRecord courseLearningRecord) {
+        //课程id
+        String courseId  = courseLearningRecord.getCourseId();
+        String userId = courseLearningRecord.getUserId();
+        //1.生成学习时间
+        courseLearningRecord.setTime(LocalDateTime.now());
+        //2.设置人数
+        //2.1查人数
+        Long count = courseLearningNumberService.query()
+                .eq("course_id", courseId).count();
+        //2.2判断自己是否学习过
+        Long count1 = query().eq("user_id", userId).count();
+        if (count > 0){
+            //自己没学过，人数加1
+            if (count1 == 0){
+                courseLearningNumberService.update().setSql("number = number + 1").eq("course_id",courseId).update();
+//                System.out.println("用户："+userId+"第一次学这门课");
+            }
+        }else {
+            //该课程第一次被学，人数设置为1
+            CourseLearningNumber courseLearningNumber = new CourseLearningNumber();
+            courseLearningNumber.setNumber(1);
+            courseLearningNumber.setCourseId(courseId);
+            courseLearningNumberService.save(courseLearningNumber);
+        }
+        //设置人数
+        String numberId = courseLearningNumberService.query().eq("course_id", courseId).one().getId();
+        courseLearningRecord.setNumber(numberId);
+        //保存记录
+        save(courseLearningRecord);
+        return ResultUtils.success("添加成功");
+    }
+
+    @Override
+    public BaseResponse<Page> getPage(int pagenum, int pagesize, String userId) {
+        //格式化时间
+        String strDateFormat = "yyyy-MM-dd HH:mm:ss";
+        SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);
+        //分页查询
+        Page<CourseLearningRecord> page = query()
+                .orderByDesc("time")
+                .eq("user_id", userId).page(new Page<>(pagenum, pagesize));
+        Page<CourseLearningRecordsVo> page1 = new Page<>();
+        List<CourseLearningRecord> records = page.getRecords();
+        BeanUtil.copyProperties(page, page1);
+        List<CourseLearningRecordsVo> recordsVos = new ArrayList<>();
+        //copy集合
+        records.forEach(courseLearningRecord -> {
+            CourseLearningRecordsVo courseLearningRecordsVo = new CourseLearningRecordsVo();
+            BeanUtil.copyProperties(courseLearningRecord,courseLearningRecordsVo);
+            Date date = Date.from(courseLearningRecord.getTime().atZone(ZoneId.systemDefault()).toInstant());
+            courseLearningRecordsVo.setTime(sdf.format(date));
+            //填充课程名称
+            courseLearningRecordsVo.setCourseName(coursesService.getById(courseLearningRecord.getCourseId()).getName());
+//            //填充学习人数
+            courseLearningRecordsVo.setNumber(courseLearningNumberService.getById(courseLearningRecord.getNumber()).getNumber());
+            recordsVos.add(courseLearningRecordsVo);
+        });
+        page1.setRecords(recordsVos);
+        return ResultUtils.success(page1);
+    }
+
+    @Override
+    public BaseResponse<String> removeCoursesRecords(List<Long> ids) {
+        removeByIds(ids);
+//        List<CourseLearningRecord> list = query().in("id", ids).list();
+//        removeBatchByIds(list);
+        return ResultUtils.success("删除成功！");
+    }
 }
diff --git a/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java b/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
index 0b1c4fa..68b0a1b 100644
--- a/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
+++ b/src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java
@@ -1,179 +1,215 @@
-//package com.teaching.backend.service.impl.records;
-//
-//import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
-//import com.baomidou.mybatisplus.core.metadata.IPage;
-//import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
-//import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-//
-//import com.teaching.backend.common.ErrorCode;
-//import com.teaching.backend.exception.BusinessException;
-//import com.teaching.backend.mapper.records.LearningRecordsMapper;
-//
-//import com.teaching.backend.model.entity.records.LearningRecords;
-//import com.teaching.backend.model.vo.records.LearningRecordsVo;
-//import com.teaching.backend.service.impl.courses.CoursesServiceImpl;
-//import com.teaching.backend.service.records.LearningRecordsService;
-//import org.springframework.beans.BeanUtils;
-//import org.springframework.beans.factory.annotation.Autowired;
-//import org.springframework.stereotype.Service;
-//import org.springframework.transaction.annotation.Transactional;
-//
-//import java.text.SimpleDateFormat;
-//import java.time.LocalDateTime;
-//import java.time.ZoneId;
-//import java.util.ArrayList;
-//import java.util.Date;
-//import java.util.List;
-//
-//@Service
-//public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMapper, LearningRecords> implements LearningRecordsService {
-//
-//    @Autowired
-//    private CoursesServiceImpl coursesService;
-//    @Autowired
-//    private LearningRecordsMapper learningRecordsMapper;
+package com.teaching.backend.service.impl.records;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ErrorCode;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.exception.BusinessException;
+import com.teaching.backend.mapper.records.LearningRecordsMapper;
+
+import com.teaching.backend.model.entity.records.LearningRecords;
+import com.teaching.backend.model.vo.records.CourseLearningRecordsVo;
+import com.teaching.backend.model.vo.records.LearningRecordsVo;
+//import com.teaching.backend.service.impl.CourseResourcesServiceImpl;
+import com.teaching.backend.service.impl.courses.CoursesServiceImpl;
+import com.teaching.backend.service.records.LearningRecordsService;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+@Service
+public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMapper, LearningRecords> implements LearningRecordsService {
+
+    @Autowired
+    private CoursesServiceImpl coursesService;
+    @Autowired
+    private LearningRecordsMapper learningRecordsMapper;
 //    @Autowired
 //    private CourseResourcesServiceImpl courseResourcesService;
-////    @Autowired
-////    private ChapterServiceImpl chapterService;
-//
-//    @Override
-//    public IPage<LearningRecords> selectPageList(Page<LearningRecords> page, LearningRecords model) {
-//        return learningRecordsMapper.selectPageList(page,model);
-//    }
-//
-//    @Override
-//    public String delete(List<Long> ids) {
-//        LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
-//        lambdaQueryWrapper.in(LearningRecords::getId, ids);
-//        List<LearningRecords> list = this.list(lambdaQueryWrapper);
-//        //把即将要删除的记录状态调成0
+//    @Autowired
+//    private ChapterServiceImpl chapterService;
+
+    @Override
+    public IPage<LearningRecords> selectPageList(Page<LearningRecords> page, LearningRecords model) {
+        return learningRecordsMapper.selectPageList(page,model);
+    }
+
+    @Override
+    public String delete(List<Long> ids) {
+        LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+        lambdaQueryWrapper.in(LearningRecords::getId, ids);
+        List<LearningRecords> list = this.list(lambdaQueryWrapper);
+        //把即将要删除的记录状态调成0
+        for (LearningRecords learningRecords : list) {
+            learningRecords.setStatus("0");
+        }
+        updateBatchById(list);
+//        System.out.println(this.updateBatchById(list));
+//        this.remove(lambdaQueryWrapper);
+        return "删除成功";
+    }
+
+    @Override
+    public BaseResponse<CourseLearningRecordsVo> countLearningRecord(String userId, String courseId) {
+//        CourseLearningRecordsVo courseLearningRecordsVo = new CourseLearningRecordsVo();
+//        //统计章节学习数量
+//        Long chapterCount = query()
+//                .eq("courses_id", courseId)
+//                .eq("user_id", userId)
+//                .eq("type", 2).count();
+//        //统计知识点学习数量
+//        Long knowledgeCount = query()
+//                .eq("courses_id", courseId)
+//                .eq("user_id", userId)
+//                .eq("type", 3).count();
+//        //统计资源学习数量
+//        Long resourceCount = query()
+//                .eq("courses_id", courseId)
+//                .eq("user_id", userId)
+//                .eq("type", 4).count();
+//        courseLearningRecordsVo.setChapterCount(chapterCount.intValue());
+//        courseLearningRecordsVo.setKnowledgeCount(knowledgeCount.intValue());
+//        courseLearningRecordsVo.setResourceCount(resourceCount.intValue());
+//        //统计课程学习时长
+//        List<LearningRecords> list = query()
+//                .eq("courses_id", courseId)
+//                .eq("user_id", userId).list();
+//        int duration = list.stream().mapToInt(LearningRecords::getVideoDuration).sum();
+//        courseLearningRecordsVo.setDuration(duration);
+        return null;
+    }
+
+    @Override
+    public List<LearningRecordsVo> getAll(List<LearningRecords> list){
+        List<LearningRecordsVo> records = new ArrayList<>();
+        //格式化时间
+        String strDateFormat = "yyyy-MM-dd HH:mm:ss";
+        SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);
+        //如果为空-------------------?????
+        list.forEach(learningRecords -> {
+            LearningRecordsVo learningRecordsVo = new LearningRecordsVo();//好像可以拿出去-----------??
+            BeanUtils.copyProperties(learningRecords,learningRecordsVo);//从多传到少(时间需要转格式)
+            Date date = Date.from(learningRecords.getTime().atZone(ZoneId.systemDefault()).toInstant());
+            learningRecordsVo.setTime(sdf.format(date));
+//            //统计记录表里有多少人查看过这门资源
+//            LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+//            lambdaQueryWrapper.eq(LearningRecords::getCoursesId, learningRecords.getCoursesId());
+//            long count = this.count(lambdaQueryWrapper);
+            learningRecordsVo.setNumber(learningRecords.getNumber());
+            //把整合后该用户的学习记录添加到List里
+            records.add(learningRecordsVo);
+        });
 //        for (LearningRecords learningRecords : list) {
-//            learningRecords.setStatus("0");
-//        }
-//        updateBatchById(list);
-////        System.out.println(this.updateBatchById(list));
-////        this.remove(lambdaQueryWrapper);
-//        return "删除成功";
-//    }
-//
-//    @Override
-//    public List<LearningRecordsVo> getAll(List<LearningRecords> list){
-//        List<LearningRecordsVo> records = new ArrayList<>();
-//        //格式化时间
-//        String strDateFormat = "yyyy-MM-dd HH:mm:ss";
-//        SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);
-//        //如果为空-------------------?????
-//        list.forEach(learningRecords -> {
-//            LearningRecordsVo learningRecordsVo = new LearningRecordsVo();//好像可以拿出去-----------??
-//            BeanUtils.copyProperties(learningRecords,learningRecordsVo);//从多传到少(时间需要转格式)
-//            Date date = Date.from(learningRecords.getTime().atZone(ZoneId.systemDefault()).toInstant());
-//            learningRecordsVo.setTime(sdf.format(date));
-////            //统计记录表里有多少人查看过这门资源
-////            LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
-////            lambdaQueryWrapper.eq(LearningRecords::getCoursesId, learningRecords.getCoursesId());
-////            long count = this.count(lambdaQueryWrapper);
-//            learningRecordsVo.setNumber(learningRecords.getNumber());
-//            //把整合后该用户的学习记录添加到List里
-//            records.add(learningRecordsVo);
-//        });
-////        for (LearningRecords learningRecords : list) {
-////            //查找该用户的学习记录
-////                LearningRecordsVo learningRecordsVo = new LearningRecordsVo();//好像可以拿出去-----------??
-////                BeanUtils.copyProperties(learningRecords,learningRecordsVo);//从多传到少(缺少人数,和资源名称,时间需要转格式)
-////                //添加时间
-////                //LocalDateTime转Date
-////                Date date = Date.from(learningRecords.getTime().atZone(ZoneId.systemDefault()).toInstant());
-////                learningRecordsVo.setTime(sdf.format(date));
-////                LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
-////                lambdaQueryWrapper.eq(LearningRecords::getCoursesId, learningRecords.getCoursesId());
-////            String name;
-////            //添加课程名称
-////            switch (learningRecords.getType()) {
-////                case "4": //如果是资源学习
-////                    if (courseResourcesService.getById(learningRecords.getCoursesId()) != null){
-////                        learningRecordsVo.setCoursesName(courseResourcesService.getById(learningRecords.getCoursesId()).getName());
-////                    }
-////                    break;
-////                case "1": //如果是课程学习记录
-////                    if (coursesService.getById(learningRecords.getCoursesId()) != null){
-////                        learningRecordsVo.setCoursesName(coursesService.getById(learningRecords.getCoursesId()).getName());
-////                    }
-////                    break;
-////            }
-////                //添加观看人数
-////                //统计记录表里有多少人查看过这门资源
-////                long count = this.count(lambdaQueryWrapper);
-////                learningRecordsVo.setNumber(count);
-////                //把整合后该用户的学习记录添加到List里
-////                records.add(learningRecordsVo);
-////        }
-//        return records;
-//    }
-//
-//    /**
-//     * 根据用户id和学习资源id来判断记录是否存在
-//     * @param learningRecords
-//     * @return
-//     */
-//    @Override
-//    @Transactional
-//    public String saveRecords(LearningRecords learningRecords) {
-//        String userId = learningRecords.getUserId();
-//        String coursesId = learningRecords.getCoursesId();
-//        //如果userId或者coursesId为空就抛出异常事务回滚----------------------------
-//        if (userId == null || userId.equals("") || coursesId == null || coursesId.equals("")){
-//            throw new BusinessException(ErrorCode.PARAMS_ERROR);
-//        }
-//
-////        System.out.println("学习记录:"+learningRecords);
-//        //查找该用户是否观看过该学习资源
-//        LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
-//        lambdaQueryWrapper
-//                .eq(LearningRecords::getUserId, userId)
-//                .eq(LearningRecords::getCoursesId, coursesId)
-//                .eq(LearningRecords::getType, learningRecords.getType());
-//        long count = this.count(lambdaQueryWrapper);
-//        //System.out.println("数据库："+count);
-//        learningRecords.setStatus("1");//将该记录的状态设置为1
-//        //更新观看时间
-//        learningRecords.setTime(LocalDateTime.now());
-//        //设置默认封面
-//        if (learningRecords.getContent() == null || learningRecords.getContent().equals("")){
-//            learningRecords.setContent("img/v2-c57eb7863ec4233f503176ca3f90f8d5_1440w.png");
-//        }
-//        List<LearningRecords> list = query().eq("courses_id", coursesId).eq("type", learningRecords.getType()).list();
-//        LearningRecords one1 = query().eq("courses_id", coursesId).eq("type", learningRecords.getType()).eq("user_id", userId).one();
-//        int number = list.size();
-//        //该用户是否学习过
-//        if (one1 != null){//学习过观看人数不加
-//            learningRecords.setNumber(number);
-//            list.forEach(learningRecords1 -> {
-//                learningRecords1.setNumber(number);
-//            });
-//        } else {//否则观看人数加1
-//            learningRecords.setNumber(number + 1);
-//        }
-//        updateBatchById(list);
-//        if (count == 0){//如果没有就新增并记录学习方式是打开还是下载
-//            //根据传上来的type设置
-////            learningRecords.setType(learningRecords.getType());
-//            this.save(learningRecords);
-//            return "添加成功";
-//        }else {//有就修改记录,更新学习方式
-//            LearningRecords one = this.getOne(lambdaQueryWrapper);
-//            System.out.println(one);
-//            learningRecords.setId(one.getId());//找到该条记录的id并赋值给本次观看记录
-//            if ( one.getOpen() != null && one.getOpen().equals("1")){
-//                learningRecords.setOpen(one.getOpen());
-//            }
-//            if (one.getDownload() != null && one.getDownload().equals("1")){
-//                learningRecords.setDownload(one.getDownload());
+//            //查找该用户的学习记录
+//                LearningRecordsVo learningRecordsVo = new LearningRecordsVo();//好像可以拿出去-----------??
+//                BeanUtils.copyProperties(learningRecords,learningRecordsVo);//从多传到少(缺少人数,和资源名称,时间需要转格式)
+//                //添加时间
+//                //LocalDateTime转Date
+//                Date date = Date.from(learningRecords.getTime().atZone(ZoneId.systemDefault()).toInstant());
+//                learningRecordsVo.setTime(sdf.format(date));
+//                LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+//                lambdaQueryWrapper.eq(LearningRecords::getCoursesId, learningRecords.getCoursesId());
+//            String name;
+//            //添加课程名称
+//            switch (learningRecords.getType()) {
+//                case "4": //如果是资源学习
+//                    if (courseResourcesService.getById(learningRecords.getCoursesId()) != null){
+//                        learningRecordsVo.setCoursesName(courseResourcesService.getById(learningRecords.getCoursesId()).getName());
+//                    }
+//                    break;
+//                case "1": //如果是课程学习记录
+//                    if (coursesService.getById(learningRecords.getCoursesId()) != null){
+//                        learningRecordsVo.setCoursesName(coursesService.getById(learningRecords.getCoursesId()).getName());
+//                    }
+//                    break;
 //            }
-//            this.updateById(learningRecords);
-//            return "修改成功";
+//                //添加观看人数
+//                //统计记录表里有多少人查看过这门资源
+//                long count = this.count(lambdaQueryWrapper);
+//                learningRecordsVo.setNumber(count);
+//                //把整合后该用户的学习记录添加到List里
+//                records.add(learningRecordsVo);
 //        }
-//    }
-//
-//
-//}
+        return records;
+    }
+
+    /**
+     * 根据用户id和学习资源id来判断记录是否存在
+     * @param learningRecords
+     * @return
+     */
+    @Override
+    @Transactional
+    public String saveRecords(LearningRecords learningRecords) {
+        String userId = learningRecords.getUserId();
+        String coursesId = learningRecords.getCoursesId();
+        //如果userId或者coursesId为空就抛出异常事务回滚----------------------------
+        if (userId == null || userId.equals("") || coursesId == null || coursesId.equals("")){
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+
+//        System.out.println("学习记录:"+learningRecords);
+        //查找该用户是否观看过该学习资源
+        LambdaQueryWrapper<LearningRecords> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+        lambdaQueryWrapper
+                .eq(LearningRecords::getUserId, userId)
+                .eq(LearningRecords::getCoursesId, coursesId)
+                .eq(LearningRecords::getType, learningRecords.getType());
+        long count = this.count(lambdaQueryWrapper);
+        //System.out.println("数据库："+count);
+        learningRecords.setStatus("1");//将该记录的状态设置为1
+        //更新观看时间
+        learningRecords.setTime(LocalDateTime.now());
+        //设置默认封面
+        if (learningRecords.getContent() == null || learningRecords.getContent().equals("")){
+            learningRecords.setContent("img/v2-c57eb7863ec4233f503176ca3f90f8d5_1440w.png");
+        }
+        List<LearningRecords> list = query().eq("courses_id", coursesId).eq("type", learningRecords.getType()).list();
+        LearningRecords one1 = query().eq("courses_id", coursesId).eq("type", learningRecords.getType()).eq("user_id", userId).one();
+        int number = list.size();
+        //该用户是否学习过
+        if (one1 != null){//学习过观看人数不加
+            learningRecords.setNumber(number);
+            list.forEach(learningRecords1 -> {
+                learningRecords1.setNumber(number);
+            });
+        } else {//否则观看人数加1
+            learningRecords.setNumber(number + 1);
+        }
+        updateBatchById(list);
+        if (count == 0){//如果没有就新增并记录学习方式是打开还是下载
+            //根据传上来的type设置
+//            learningRecords.setType(learningRecords.getType());
+            this.save(learningRecords);
+            return "添加成功";
+        }else {//有就修改记录,更新学习方式
+            LearningRecords one = this.getOne(lambdaQueryWrapper);
+            System.out.println(one);
+            learningRecords.setId(one.getId());//找到该条记录的id并赋值给本次观看记录
+            if ( one.getOpen() != null && one.getOpen().equals("1")){
+                learningRecords.setOpen(one.getOpen());
+            }
+            if (one.getDownload() != null && one.getDownload().equals("1")){
+                learningRecords.setDownload(one.getDownload());
+            }
+            this.updateById(learningRecords);
+            return "修改成功";
+        }
+    }
+
+
+
+
+}
diff --git a/src/main/java/com/teaching/backend/service/records/ICourseLearningRecordService.java b/src/main/java/com/teaching/backend/service/records/ICourseLearningRecordService.java
index 6cdaadf..62b940c 100644
--- a/src/main/java/com/teaching/backend/service/records/ICourseLearningRecordService.java
+++ b/src/main/java/com/teaching/backend/service/records/ICourseLearningRecordService.java
@@ -1,9 +1,13 @@
 package com.teaching.backend.service.records;
 
 
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.common.BaseResponse;
 import com.teaching.backend.model.entity.records.CourseLearningRecord;
 
+import java.util.List;
+
 /**
  * <p>
  *  服务类
@@ -14,4 +18,10 @@ import com.teaching.backend.model.entity.records.CourseLearningRecord;
  */
 public interface ICourseLearningRecordService extends IService<CourseLearningRecord> {
 
+    BaseResponse<String> saveCoursesRecords(CourseLearningRecord courseLearningRecord);
+
+    BaseResponse<Page> getPage(int pagenum, int pagesize, String userId);
+
+    BaseResponse<String> removeCoursesRecords(List<Long> ids);
+
 }
diff --git a/src/main/java/com/teaching/backend/service/records/LearningRecordsService.java b/src/main/java/com/teaching/backend/service/records/LearningRecordsService.java
index 6ab95e7..4309fd5 100644
--- a/src/main/java/com/teaching/backend/service/records/LearningRecordsService.java
+++ b/src/main/java/com/teaching/backend/service/records/LearningRecordsService.java
@@ -3,7 +3,9 @@ package com.teaching.backend.service.records;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.common.BaseResponse;
 import com.teaching.backend.model.entity.records.LearningRecords;
+import com.teaching.backend.model.vo.records.CourseLearningRecordsVo;
 import com.teaching.backend.model.vo.records.LearningRecordsVo;
 
 
@@ -16,4 +18,6 @@ public interface LearningRecordsService extends IService<LearningRecords> {
 
     public String delete(List<Long> ids);
 
+
+    BaseResponse<CourseLearningRecordsVo> countLearningRecord(String userId, String courseId);
 }