CourseInfo修改基本完成

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

project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/CourseMapper.xml

@@ -22,5 +22,17 @@
             AND Description LIKE CONCAT('%', #{description}, '%')
         </if>
     </select>
-
+    <update id="updateCourse" parameterType="cyou.chenx221.pojo.Course">
+        UPDATE course
+        SET
+        <trim suffixOverrides=",">
+            <if test="courseName != null">
+                CourseName = #{courseName},
+            </if>
+            <if test="description != null">
+                Description = #{description},
+            </if>
+        </trim>
+        WHERE CourseID = #{courseID}
+    </update>
 </mapper>

project2/out/artifacts/project2_war_exploded/WEB-INF/views/courseopv2.jsp

@@ -197,7 +197,7 @@
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText2" class="form-control"
                                                            name="name"/>
-                                                    <label class="form-label" for="typeText2">课程名(支持部分关键词匹配)</label>
+                                                    <label class="form-label" for="typeText2">课程名(支持部分)</label>
                                                 </div>
                                             </div>
                                         </div>
@@ -206,7 +206,7 @@
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText3" class="form-control"
                                                            name="description"/>
-                                                    <label class="form-label" for="typeText3">描述(支持部分关键词匹配)</label>
+                                                    <label class="form-label" for="typeText3">描述(支持部分)</label>
                                                 </div>
                                             </div>
                                         </div>

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

@@ -79,34 +79,31 @@ public class CourseController {
 //        return "redirect:/student/infomodv2";
 //    }
 //
-//    @PostMapping(value = "/modinfo", produces = "application/x-www-form-urlencoded;charset=UTF-8")//处理学生信息修改请求
+    @PostMapping(value = "/modinfo", produces = "application/x-www-form-urlencoded;charset=UTF-8")
-//    public String UpdateModInfo(@RequestParam(value = "name", defaultValue = "null", required = false) String name,
+    public String UpdateModInfo(@RequestParam(value = "name", defaultValue = "null", required = false) String name,
-//                                @RequestParam(value = "birthday", defaultValue = "null", required = false) String birthdayStr,
+                                @RequestParam(value = "description", defaultValue = "null", required = false) String description,
-//                                @RequestParam(value = "sex", defaultValue = "null", required = false) String sex,
+                                @RequestParam(value = "id", defaultValue = "-1", required = false) int id,
-//                                @RequestParam(value = "id", defaultValue = "-1", required = false) int id,
+                                Model model) {
-//                                @RequestParam(value = "phone", defaultValue = "null", required = false) String phone,
+
-//                                @RequestParam(value = "classes", defaultValue = "", required = false) String classes,
+        Course course;
-//                                Model model) {
+        if (name.equals("null")) name = null;
-//        Date birthday = null;
+        if (description.equals("null")) description = null;
-//        if (!"null".equals(birthdayStr)) {
+        if (id <= -1) {
-//            birthday = Date.valueOf(birthdayStr);
+            model.addAttribute("errorMessage", "ID非法，课程信息修改失败");
-//        }
+        } else {
-//        System.out.println(birthday);//debug
+            course = new Course(id, name, description);
-//        Student student;
+            int status_code = courseService.updateCourse(course);
-//        if (name.equals("null")) name = null;
+            if(status_code==1){
-//        if (sex.equals("null")) sex = null;
+                model.addAttribute("successMessage", "课程信息修改成功");
-//        if (phone.equals("null")) phone = null;
+            }else if(status_code==0) {
-//        if (classes.equals("")) classes = null;
+                model.addAttribute("errorMessage", "课程信息修改失败，可能是ID非法或者课程不存在");
-//
+            }else{
-//        if (id <= -1) {
+                model.addAttribute("errorMessage", "课程信息修改异常");
-//            model.addAttribute("errorMessage", "学生信息修改失败");
+                System.out.println("DEBUG:课程信息修改异常，存在多条记录被修改的情况");
-//        } else {
+            }
-//            student = new Student(id, name, sex, birthday, phone, classes);
+        }
-//            studentService.updateStudent(student);
+        return "redirect:/course/infomodv2";
-//            model.addAttribute("successMessage", "学生信息修改成功");
+    }
-//        }
-//        return "redirect:/student/infomodv2";
-//    }
 
     @PostMapping(value = "/query", produces = "application/x-www-form-urlencoded;charset=UTF-8")//学生信息查询（带条件）
     public String getQueryCourses(@RequestParam(value = "name", defaultValue = "null", required = false) String name,
@@ -122,16 +119,7 @@ public class CourseController {
         List<Course> courses;
         Course course;
         course = new Course((id == -1 ? null : id), name, description);
-        System.out.println("id:" + id + " name:" + name + " description:" + description);
+//        System.out.println("id:" + id + " name:" + name + " description:" + description);
-//        if(course.getCourseID() == null){
-//            System.out.println("WARNNING : id is null");
-//        }
-//        if (course.getCourseName() == null) {
-//            System.out.println("WARNNING : courseName is null");
-//        }
-//        if (course.getDescription() == null) {
-//            System.out.println("WARNNING : description is null");
-//        }
         courses = courseService.getQueryCourses(course);
         model.addAttribute("courses", courses);
         return "courseQueryResult";

project2/src/main/java/cyou/chenx221/mapper/CourseDao.java

@@ -10,4 +10,6 @@ public interface CourseDao {
     List<Course> getAllCourses();
 
     List<Course> getQueryCourses(Course course);
+
+    int updateCourse(Course course);
 }

project2/src/main/java/cyou/chenx221/mapper/impl/CourseDaoImpl.java

@@ -25,4 +25,9 @@ public class CourseDaoImpl implements CourseDao {
     public List<Course> getQueryCourses(Course course) {
         return sqlSession.selectList("getQueryCourses", course);
     }
+
+    @Override
+    public int updateCourse(Course course) {
+        return sqlSession.update("updateCourse", course);
+    }
 }

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

@@ -22,4 +22,9 @@ public class CourseService {
     public List<Course> getQueryCourses(Course course) {
         return courseDao.getQueryCourses(course);
     }
+
+
+    public int updateCourse(Course course) {
+        return courseDao.updateCourse(course);
+    }
 }

project2/src/main/resources/mapper/CourseMapper.xml

@@ -22,5 +22,17 @@
             AND Description LIKE CONCAT('%', #{description}, '%')
         </if>
     </select>
-
+    <update id="updateCourse" parameterType="cyou.chenx221.pojo.Course">
+        UPDATE course
+        SET
+        <trim suffixOverrides=",">
+            <if test="courseName != null">
+                CourseName = #{courseName},
+            </if>
+            <if test="description != null">
+                Description = #{description},
+            </if>
+        </trim>
+        WHERE CourseID = #{courseID}
+    </update>
 </mapper>

project2/web/WEB-INF/views/courseopv2.jsp

@@ -197,7 +197,7 @@
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText2" class="form-control"
                                                            name="name"/>
-                                                    <label class="form-label" for="typeText2">课程名(支持部分关键词匹配)</label>
+                                                    <label class="form-label" for="typeText2">课程名(支持部分)</label>
                                                 </div>
                                             </div>
                                         </div>
@@ -206,7 +206,7 @@
                                                 <div class="form-outline">
                                                     <input type="text" id="typeText3" class="form-control"
                                                            name="description"/>
-                                                    <label class="form-label" for="typeText3">描述(支持部分关键词匹配)</label>
+                                                    <label class="form-label" for="typeText3">描述(支持部分)</label>
                                                 </div>
                                             </div>
                                         </div>