学习记录-课程资源的新增

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

@@ -37,6 +37,7 @@ import org.springframework.util.ResourceUtils;
 import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletResponse;
 import java.io.File;
+import java.io.FileInputStream;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.*;
@@ -322,6 +323,10 @@ public class CoursesServiceImpl extends ServiceImpl<CoursesMapper, Courses> impl
     public void down(HttpServletResponse response, String id) throws Exception {
         File rootPath = new File(ResourceUtils.getURL("classpath:").getPath()); //SpringBoot项目获取根目录的方式
         File templatePath = new File(rootPath.getAbsolutePath(),"/templates/courses.docx");//------------------需要模板的地址
+        // 加载Word模板
+        FileInputStream template = new FileInputStream("/templates/courses.docx");
+        XWPFDocument document = new XWPFDocument(template);
+
         //准备导出数据
         //查询课程通过课程id查--课程简介
         Courses courses = this.getById(id);

src/main/java/com/teaching/backend/service/impl/records/LearningRecordsServiceImpl.java

@@ -9,6 +9,7 @@ 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.CourseResourcesServiceImpl;
 import com.teaching.backend.service.impl.chapter.ChapterServiceImpl;
 import com.teaching.backend.service.impl.courses.CoursesServiceImpl;
 import com.teaching.backend.service.impl.know.KnowServiceimpl;
@@ -31,8 +32,8 @@ public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMappe
     private CoursesServiceImpl coursesService;
     @Autowired
     private LearningRecordsMapper learningRecordsMapper;
-//    @Autowired
+    @Autowired
-//    private LearningResourceServiceImpl learningResourceService;
+    private CourseResourcesServiceImpl courseResourcesService;
     @Autowired
     private KnowServiceimpl knowledgePointService;
     @Autowired
@@ -91,7 +92,7 @@ public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMappe
             //添加课程名称
             switch (learningRecords.getType()) {
                 case "4": //如果是资源学习
-                    learningRecordsVo.setCoursesName("学习资源");//设置名称 --------------------------------------------待完善
+                    learningRecordsVo.setCoursesName(courseResourcesService.getById(learningRecords.getCoursesId()).getName());//设置名称 --------------------------------------------待完善
 
                     break;
                 case "3": //如果是知识点学习记录
@@ -106,7 +107,6 @@ public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMappe
                     System.out.println();
                     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
@@ -129,6 +129,9 @@ public class LearningRecordsServiceImpl extends ServiceImpl<LearningRecordsMappe
     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----------------------------
+
+
         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<>();