任务七、八

grademanagement-SpringMVCProject/src/com/ssm/controller/CourseController.java

@@ -17,19 +17,19 @@ public class CourseController {
             // 基本数据验证
             if (course.getCourseId() == null || course.getCourseId() <= 0) {
                 model.addAttribute("msg", "课程ID不能为空！");
-                return "/addCourse.jsp";
+                return "addCourse";
             }
             if (course.getCourseName() == null || course.getCourseName().trim().length() <= 0) {
                 model.addAttribute("msg", "课程名称不能为空！");
-                return "/addCourse.jsp";
+                return "addCourse";
             }
             if (course.getCredit() == null || course.getCredit() <= 0) {
                 model.addAttribute("msg", "课程学分不能为空！");
-                return "/addCourse.jsp";
+                return "addCourse";
             }
             if (course.getTeacher() == null || course.getTeacher().trim().length() <= 0) {
                 model.addAttribute("msg", "课程教师不能为空！");
-                return "/addCourse.jsp";
+                return "addCourse";
             }
 
             model.addAttribute("msg", "课程信息提交成功！");
@@ -37,7 +37,7 @@ public class CourseController {
         } catch (Exception e) {
             System.err.println("数据处理异常：" + e.getMessage());
             model.addAttribute("msg", "数据提交失败，请检查输入格式！");
-            return "/addCourse.jsp";
+            return "addCourse";
         }
     }
 
@@ -57,7 +57,7 @@ public String submitCourse(Course course, Model model) {
     } catch (Exception e) {
         System.err.println("数据处理异常：" + e.getMessage());
         model.addAttribute("msg", "数据提交失败，请检查输入格式！");
-        return "/addCourse.jsp";
+        return "addCourse";
     }
 }
 
@@ -69,7 +69,7 @@ public String submitCourse(Course course, Model model) {
     public String handleException(Exception e, Model model) {
         System.err.println("系统异常：" + e.getMessage());
         model.addAttribute("msg", "系统错误：" + e.getMessage());
-        return "showCourse";
+        return "addCourse";
     }
 
 }

grademanagement-SpringMVCProject/src/com/ssm/controller/ScoreController.java

@@ -0,0 +1,73 @@
+package com.ssm.controller;
+
+import com.ssm.entity.Course;
+import com.ssm.entity.Score;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class ScoreController {
+    @RequestMapping("/addScore")
+    public String add(Score score, Model model) {
+        try {
+            System.out.println("===== 组员董倩-成绩模块 =====");
+            System.out.println("接收数据：" + score);
+
+            // 基本数据验证
+            if (score.getStudentId() == null || score.getStudentId().trim().length() <= 0) {
+                model.addAttribute("msg", "学生ID不能为空！");
+                return "redirect:/addScore";
+            }
+            if (score.getCourseName() == null || score.getCourseName().trim().length() <= 0) {
+                model.addAttribute("msg", "课程名称不能为空！");
+                return "redirect:/addScore";
+            }
+            if (score.getGrade() == null || score.getGrade() < 0 || score.getGrade() > 100) {
+                model.addAttribute("msg", "成绩必须在0-100之间！");
+                return "redirect:/addScore";
+            }
+            if (score.getSemester() == null || score.getSemester().trim().length() <= 0) {
+                model.addAttribute("msg", "学期不能为空！");
+                return "redirect:/addScore";
+            }
+
+            model.addAttribute("msg", "成绩信息提交成功！");
+            model.addAttribute("score", score);
+            return "showScore";
+        } catch (Exception e) {
+            System.err.println("数据处理异常：" + e.getMessage());
+            model.addAttribute("msg", "数据提交失败，请检查输入格式！");
+            return "redirect:/addScore";
+        }
+    }
+
+    // ... existing code ...
+    // 新增方法：接收表单信息并响应到页面
+    @RequestMapping("/submitScore")
+    public String submitScore(Score score, Model model) {
+        try {
+            System.out.println("===== 成绩提交 =====");
+            System.out.println("接收数据：" + score);
+
+            // 将表单信息添加到Model中，传递到页面
+            model.addAttribute("score", score);
+
+            return "showScore";
+        } catch (Exception e) {
+            System.err.println("数据处理异常：" + e.getMessage());
+            model.addAttribute("msg", "数据提交失败，请检查输入格式！");
+            return "redirect:/addScore";
+        }
+    }
+
+
+    // 全局异常处理 - 处理数据绑定异常
+    @ExceptionHandler(Exception.class)
+    public String handleException(Exception e, Model model) {
+        System.err.println("系统异常：" + e.getMessage());
+        model.addAttribute("msg", "系统错误：" + e.getMessage());
+        return "redirect:/addScore";
+    }
+}

grademanagement-SpringMVCProject/src/com/ssm/entity/Score.java

@@ -0,0 +1,60 @@
+package com.ssm.entity;
+
+public class Score {
+    private String studentId;
+    private String courseName;
+    private Double grade;
+    private String semester;
+
+    public Score() {
+    }
+
+    public Score(String studentId, String courseName, Double grade, String semester) {
+        this.studentId = studentId;
+        this.courseName = courseName;
+        this.grade = grade;
+        this.semester = semester;
+    }
+
+    public String getStudentId() {
+        return studentId;
+    }
+
+    public void setStudentId(String studentId) {
+        this.studentId = studentId;
+    }
+
+    public String getCourseName() {
+        return courseName;
+    }
+
+    public void setCourseName(String courseName) {
+        this.courseName = courseName;
+    }
+
+    public Double getGrade() {
+        return grade;
+    }
+
+    public void setGrade(Double grade) {
+        this.grade = grade;
+    }
+
+    public String getSemester() {
+        return semester;
+    }
+
+    public void setSemester(String semester) {
+        this.semester = semester;
+    }
+
+    @Override
+    public String toString() {
+        return "Score{" +
+                "studentId='" + studentId + '\'' +
+                ", courseName='" + courseName + '\'' +
+                ", grade=" + grade +
+                ", semester='" + semester + '\'' +
+                '}';
+    }
+}

grademanagement-SpringMVCProject/web/WEB-INF/view/showScore.jsp

@@ -0,0 +1,34 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: dqq
+  Date: 2026/5/19
+  Time: 11:42
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>提交成功</title>
+</head>
+<body>
+<h3>Success!</h3>
+<table>
+    <tr>
+        <td>学生ID：</td>
+        <td>${score.studentId}</td>
+    </tr>
+    <tr>
+        <td>课程姓名：</td>
+        <td>${score.courseName}</td>
+    </tr>
+    <tr>
+        <td>成绩：</td>
+        <td>${score.grade}</td>
+    </tr>
+    <tr>
+    <td>学期：</td>
+    <td>${score.semester}</td>
+</tr>
+</table>
+</body>
+</html>

grademanagement-SpringMVCProject/web/addScore.jsp

@@ -0,0 +1,25 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: dqq
+  Date: 2026/5/19
+  Time: 11:42
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>成绩信息</title>
+</head>
+<body>
+<h3>成绩信息</h3>
+<form action="addScore" method="post">
+    学生ID：<input type="text" name="studentId" placeholder="请输入学生ID"><br>
+    课程名称：<input type="text" name="courseName" placeholder="请输入课程名称"><br>
+    成绩：<input type="text" name="grade" placeholder="请输入成绩"><br>
+    学期：<input type="text" name="semester" placeholder="请输入第几学期"><br>
+    <input type="submit" value="提交">
+    <input type="reset" value="重置">
+</form>
+
+</body>
+</html>