课程信息查询功能完成

修复jsp上的错误
修复CourseController上的错误

Signed-off-by: Chenx221 <chenx221@yandex.com>

project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mybatis-config.xml

@@ -12,6 +12,7 @@
     <mappers>
         <mapper resource="mapper/UserMapper.xml"/>
         <mapper resource="mapper/StudentMapper.xml"/>
+        <mapper resource="mapper/CourseMapper.xml"/>
         <!-- 可以添加其他的映射器配置 -->
     </mappers>
 </configuration>

project2/out/artifacts/project2_war_exploded/WEB-INF/views/courseList.jsp

@@ -143,9 +143,9 @@
                         <tbody>
                         <c:forEach var="course" items="${courses}">
                             <tr>
-                                <td>${course.CourseID}</td>
-                                <td>${course.CourseName}</td>
-                                <td>${course.Description}</td>
+                                <td>${course.courseID}</td>
+                                <td>${course.courseName}</td>
+                                <td>${course.description}</td>
                             </tr>
                         </c:forEach>
                         </tbody>

project2/src/main/java/cyou/chenx221/controller/CourseController.java

@@ -2,6 +2,7 @@ package cyou.chenx221.controller;
 
 import cyou.chenx221.pojo.Course;
 import cyou.chenx221.service.CourseService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -14,6 +15,7 @@ import java.util.List;
 public class CourseController {
     private final CourseService courseService;
 
+    @Autowired
     public CourseController(CourseService courseService) {
         this.courseService = courseService;
     }

project2/src/main/java/cyou/chenx221/service/CourseService.java

@@ -1,6 +1,7 @@
 package cyou.chenx221.service;
 
 import cyou.chenx221.mapper.CourseDao;
+import cyou.chenx221.mapper.StudentDao;
 import cyou.chenx221.pojo.Course;
 import org.springframework.stereotype.Service;
 
@@ -10,6 +11,11 @@ import java.util.List;
 public class CourseService {
     private CourseDao courseDao;
 
+    public CourseService(CourseDao courseDao) {
+        this.courseDao = courseDao;
+    }
+
+
     public List<Course> getAllCourses() {
         return courseDao.getAllCourses();
     }

project2/src/main/resources/mybatis-config.xml

@@ -12,7 +12,7 @@
     <mappers>
         <mapper resource="mapper/UserMapper.xml"/>
         <mapper resource="mapper/StudentMapper.xml"/>
-        <mapper resource="mapper/CourseMapper.xml"
+        <mapper resource="mapper/CourseMapper.xml"/>
         <!-- 可以添加其他的映射器配置 -->
     </mappers>
 </configuration>

project2/web/WEB-INF/views/courseList.jsp

@@ -143,9 +143,9 @@
                         <tbody>
                         <c:forEach var="course" items="${courses}">
                             <tr>
-                                <td>${course.CourseID}</td>
-                                <td>${course.CourseName}</td>
-                                <td>${course.Description}</td>
+                                <td>${course.courseID}</td>
+                                <td>${course.courseName}</td>
+                                <td>${course.description}</td>
                             </tr>
                         </c:forEach>
                         </tbody>