TeacherQuery

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

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

@@ -14,10 +14,46 @@
             <result property="CourseName" column="CourseName"/>
         </association>
     </resultMap>
+
     <select id="getAllTeachers" resultMap="TeacherResultMap">
         SELECT id, name, sex, birthday, classes, c.CourseID, c.CourseName
         FROM teacher t
                  JOIN course c ON c.CourseID = t.course_id
         WHERE t.removed = 0;
     </select>
+
+    <select id="getQueryTeachers" parameterType="cyou.chenx221.pojo.Teacher" resultMap="TeacherResultMap">
+        SELECT id, name, sex, birthday, classes, c.CourseID, c.CourseName
+        FROM teacher t
+        JOIN course c ON c.CourseID = t.course_id
+        WHERE t.removed = 0
+        <trim prefix="AND" prefixOverrides="AND | OR">
+            <if test="id != -1">
+                AND id = #{id}
+            </if>
+            <if test="name != null">
+                AND name = #{name}
+            </if>
+            <if test="sex != null">
+                AND sex = #{sex}
+            </if>
+            <if test="course !=null">
+                <if test="course.CourseID != null">
+                    AND c.CourseID = #{course.courseID}
+                </if>
+                <if test="course.CourseName != null">
+                    AND c.CourseName LIKE CONCAT('%', #{course.courseName}, '%')
+                </if>
+            </if>
+            <if test="classes != null">
+                AND classes = #{classes}
+            </if>
+            <if test="birthdayBegin != null">
+                AND birthday &gt;= #{birthdayBegin}
+            </if>
+            <if test="birthdayEnd != null">
+                AND birthday &lt;= #{birthdayEnd}
+            </if>
+        </trim>
+    </select>
 </mapper>

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

@@ -25,7 +25,7 @@
 
         .table-container table {
             width: 100%;
-            height: 100%;
+            /*height: 100%;*/
         }
     </style>
 </head>
@@ -158,7 +158,7 @@
                         </tr>
                         </thead>
                         <tbody>
-                        <c:forEach var="teacher" items="${teacherList}">
+                        <c:forEach var="teacher" items="${teachers}">
                             <tr>
                                 <td>${teacher.id}</td>
                                 <td>${teacher.name}</td>

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

@@ -133,7 +133,19 @@
          style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
         <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
             <div class="container d-flex justify-content-center">
-                <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
+                <div>
+                    <div class="row">
+                        <div class="col-12">
+                            <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
+                            </button>
+                        </div>
+                    </div>
+                    <div class="row">
+                        <div class="col-12">
+                            <button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
+                        </div>
+                    </div>
+                </div>
                 <div class="table-container rounded-4 shadow-3-strong"
                      style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px">
                     <table class="table table-striped table-hover border-primary align-middle">
@@ -642,6 +654,17 @@
             $('#exampleModal3').modal('hide');
         }
     }
+
+    function exportCSV() {
+        // 构造请求 URL，根据需要导出的类型传递参数
+        var exportUrl = '/output/export-csv?type=teacher';  // 示例：导出学生数据
+        var link = document.createElement('a');
+        link.href = exportUrl;
+        link.style.display = 'none';
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+    }
 </script>
 </body>
 

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

@@ -3,9 +3,11 @@ package cyou.chenx221.controller;
 import cyou.chenx221.pojo.Course;
 import cyou.chenx221.pojo.Score;
 import cyou.chenx221.pojo.Student;
+import cyou.chenx221.pojo.Teacher;
 import cyou.chenx221.service.CourseService;
 import cyou.chenx221.service.ScoreService;
 import cyou.chenx221.service.StudentService;
+import cyou.chenx221.service.TeacherService;
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVPrinter;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -34,6 +36,9 @@ public class OutputController {
     @Autowired
     private ScoreService scoreService;
 
+    @Autowired
+    private TeacherService teacherService;
+
     @GetMapping("/export-csv")
     public void exportCSV(HttpServletResponse response, @RequestParam("type") String type) throws IOException {
         response.setHeader("Content-Disposition", "attachment; filename=export.csv");
@@ -59,6 +64,11 @@ public class OutputController {
                 List<Score> scores = scoreService.getAllScores(); // 根据实际情况获取成绩数据
                 data = transformScoresToData(scores);
             }
+            case "teacher" -> {
+                headers = Arrays.asList("教师ID", "姓名", "性别","出生日期","授课课程ID","授课课程名","授课班级");
+                List<Teacher> teachers = teacherService.getAllTeachers(); // 根据实际情况获取教师数据
+                data = transformTeachersToData(teachers);
+            }
             default -> throw new IllegalArgumentException("Invalid export type: " + type);
         }
 
@@ -122,6 +132,23 @@ public class OutputController {
         return data;
     }
 
+    private List<List<String>> transformTeachersToData(List<Teacher> teachers) {
+        List<List<String>> data = new ArrayList<>();
+        for (Teacher teacher : teachers) {
+            List<String> rowData = Arrays.asList(
+                    String.valueOf(teacher.getId()),
+                    teacher.getName(),
+                    teacher.getSex(),
+                    teacher.getBirthday().toString(),
+                    String.valueOf(teacher.getCourse().getCourseID()),
+                    teacher.getCourse().getCourseName(),
+                    teacher.getClasses()
+            );
+            data.add(rowData);
+        }
+        return data;
+    }
+
     @GetMapping("/get-csv")
     public void getCSV(HttpServletResponse response, @RequestParam("filename") String filename) throws IOException {
         String filePath = "file" + File.separator + filename;

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

@@ -33,11 +33,15 @@ public class TeacherController {
     }
 
     @GetMapping("/manage")
-    public String manageTeacherInfo(Model model) {
+    public String manageTeacherInfo(@RequestParam(value = "successMessage", required = false, defaultValue = "null") String successMessage,
+                                    @RequestParam(value = "errorMessage", required = false, defaultValue = "null") String errorMessage,
+                                    Model model) {
         String username = new UsernameHelper().getCurrentUsername();
         if (username != null) {
             model.addAttribute("username", username);
         }
+        model.addAttribute("successMessage", successMessage);
+        model.addAttribute("errorMessage", errorMessage);
         List<Teacher> teacherList = teacherService.getAllTeachers();
         model.addAttribute("teacherList", teacherList);
         return "teachermanage";
@@ -52,7 +56,7 @@ public class TeacherController {
                             @RequestParam(value = "course_id", defaultValue = "-1", required = false) int course_id,//课程ID
                             @RequestParam(value = "course_name", defaultValue = "null", required = false) String course_name,//课程名
                             @RequestParam(value = "classes", defaultValue = "null", required = false) String classes,//授课班级
-                            Model model) {
+                            Model model) throws IOException {
 
         //username helper start
         String username = new UsernameHelper().getCurrentUsername();
@@ -102,11 +106,8 @@ public class TeacherController {
         }
         Teacher teacher = new Teacher(id, name, sex, (course_id == -1 && course_name == null ? null : (new Course(course_id, course_name))), classes, birthdayBegin, birthdayEnd);
         List<Teacher> teachers = teacherService.getQueryTeachers(teacher);
-
+        model.addAttribute("teachers", teachers);
-//        scores = scoreService.getQueryScores(score);
+        model.addAttribute("download", new CsvHelper().generateTeacherCSVFile(teachers));
-//        String download = new CsvHelper().generateScoreCSVFile(scores);
+        return "teacherQueryResult";
-//        model.addAttribute("download", download);
-//        model.addAttribute("scores", scores);
-        return "scoreQueryResult";
     }
 }

project2/src/main/java/cyou/chenx221/helper/CsvHelper.java

@@ -3,6 +3,7 @@ package cyou.chenx221.helper;
 import cyou.chenx221.pojo.Course;
 import cyou.chenx221.pojo.Score;
 import cyou.chenx221.pojo.Student;
+import cyou.chenx221.pojo.Teacher;
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVPrinter;
 
@@ -31,6 +32,10 @@ public class CsvHelper {
             );
             data.add(rowData);
         }
+        return getString(headers, data);
+    }
+
+    private String getString(List<String> headers, List<List<String>> data) throws IOException {
         String directoryPath = "file";
         File directory = new File(directoryPath);
 
@@ -70,28 +75,7 @@ public class CsvHelper {
             );
             data.add(rowData);
         }
-        String directoryPath = "file";
+        return getString(headers, data);
-        File directory = new File(directoryPath);
-
-        if (!directory.exists()) {
-            boolean created = directory.mkdir(); //Be careful, path: tomcat's installation path (D:\softs\res\apache-tomcat-9.0.75-windows-x64\apache-tomcat-9.0.75\bin)
-            if (created) {
-                System.out.println("目录已创建");
-            } else {
-                System.out.println("无法创建目录");
-            }
-        }
-
-        File csvFile = new File("file/export-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss")) + ".csv");
-        try (PrintWriter writer = new PrintWriter(csvFile);
-             CSVPrinter csvPrinter = new CSVPrinter(writer, CSVFormat.DEFAULT)) {
-            csvPrinter.printRecord(headers);
-            for (List<String> row : data) {
-                csvPrinter.printRecord(row);
-            }
-            csvPrinter.flush();
-        }
-        return csvFile.getName();
     }
 
     public String generateCourseCSVFile(List<Course> courses) throws IOException {
@@ -106,28 +90,25 @@ public class CsvHelper {
             );
             data.add(rowData);
         }
-        String directoryPath = "file";
+        return getString(headers, data);
-        File directory = new File(directoryPath);
-
-        if (!directory.exists()) {
-            boolean created = directory.mkdir(); //Be careful, path: tomcat's installation path (D:\softs\res\apache-tomcat-9.0.75-windows-x64\apache-tomcat-9.0.75\bin)
-            if (created) {
-                System.out.println("目录已创建");
-            } else {
-                System.out.println("无法创建目录");
-            }
-        }
-
-        File csvFile = new File("file/export-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd_HHmmss")) + ".csv");
-        try (PrintWriter writer = new PrintWriter(csvFile);
-             CSVPrinter csvPrinter = new CSVPrinter(writer, CSVFormat.DEFAULT)) {
-            csvPrinter.printRecord(headers);
-            for (List<String> row : data) {
-                csvPrinter.printRecord(row);
-            }
-            csvPrinter.flush();
-        }
-        return csvFile.getName();
     }
 
+    public String generateTeacherCSVFile(List<Teacher> teachers) throws IOException {
+        List<String> headers;
+        headers = Arrays.asList("教师ID", "姓名", "性别","出生日期","授课课程ID","授课课程名","授课班级");
+        List<List<String>> data = new ArrayList<>();
+        for (Teacher teacher : teachers) {
+            List<String> rowData = Arrays.asList(
+                    String.valueOf(teacher.getId()),
+                    teacher.getName(),
+                    teacher.getSex(),
+                    teacher.getBirthday().toString(),
+                    String.valueOf(teacher.getCourse().getCourseID()),
+                    teacher.getCourse().getCourseName(),
+                    teacher.getClasses()
+            );
+            data.add(rowData);
+        }
+        return getString(headers, data);
+    }
 }

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

@@ -48,7 +48,12 @@
             <if test="classes != null">
                 AND classes = #{classes}
             </if>
-            # 待添加
+            <if test="birthdayBegin != null">
+                AND birthday &gt;= #{birthdayBegin}
+            </if>
+            <if test="birthdayEnd != null">
+                AND birthday &lt;= #{birthdayEnd}
+            </if>
         </trim>
     </select>
 </mapper>

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

@@ -25,7 +25,7 @@
 
         .table-container table {
             width: 100%;
-            height: 100%;
+            /*height: 100%;*/
         }
     </style>
 </head>
@@ -158,7 +158,7 @@
                         </tr>
                         </thead>
                         <tbody>
-                        <c:forEach var="teacher" items="${teacherList}">
+                        <c:forEach var="teacher" items="${teachers}">
                             <tr>
                                 <td>${teacher.id}</td>
                                 <td>${teacher.name}</td>

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

@@ -133,7 +133,19 @@
          style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
         <div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
             <div class="container d-flex justify-content-center">
-                <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
+                <div>
+                    <div class="row">
+                        <div class="col-12">
+                            <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
+                            </button>
+                        </div>
+                    </div>
+                    <div class="row">
+                        <div class="col-12">
+                            <button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
+                        </div>
+                    </div>
+                </div>
                 <div class="table-container rounded-4 shadow-3-strong"
                      style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px">
                     <table class="table table-striped table-hover border-primary align-middle">
@@ -642,6 +654,17 @@
             $('#exampleModal3').modal('hide');
         }
     }
+
+    function exportCSV() {
+        // 构造请求 URL，根据需要导出的类型传递参数
+        var exportUrl = '/output/export-csv?type=teacher';  // 示例：导出学生数据
+        var link = document.createElement('a');
+        link.href = exportUrl;
+        link.style.display = 'none';
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+    }
 </script>
 </body>