diff --git a/AES-front/src/api/admin.js b/AES-front/src/api/admin.js
index 0652627..779e670 100644
--- a/AES-front/src/api/admin.js
+++ b/AES-front/src/api/admin.js
@@ -34,4 +34,5 @@ export default {
     findAllClassPage: (data) => request.post('/classes/findAllClassPage', data),
     findAllShoolsInAdminusers: () => request.post('/school/findAllShoolsInAdminusers'),
     deleteClass: (data) => request.post('/classes/deleteClass', data),
+    addClass: (data) => request.post('/classes/addClass', data),
 }
diff --git a/AES/src/main/java/com/example/aes/user/controller/ClassesController.java b/AES/src/main/java/com/example/aes/user/controller/ClassesController.java
index 4a98349..f3b9dc5 100644
--- a/AES/src/main/java/com/example/aes/user/controller/ClassesController.java
+++ b/AES/src/main/java/com/example/aes/user/controller/ClassesController.java
@@ -105,6 +105,12 @@ public class ClassesController{
             return RespBean.error("删除班级失败", result);
         }
     }
+    @PostMapping("/addClass")
+    public RespBean addClass(@RequestBody PMClasses pmclasses) // 添加班级
+    {
+        classesServiceI.addClass(pmclasses);
+        return RespBean.ok("添加班级成功");
+    }
 
 
 }
diff --git a/AES/src/main/java/com/example/aes/user/service/ClassesServiceI.java b/AES/src/main/java/com/example/aes/user/service/ClassesServiceI.java
index e24411c..bf507ef 100644
--- a/AES/src/main/java/com/example/aes/user/service/ClassesServiceI.java
+++ b/AES/src/main/java/com/example/aes/user/service/ClassesServiceI.java
@@ -36,7 +36,7 @@ public interface ClassesServiceI {
 //
 //	public boolean deleteClassStudentsByUserId(int classId, int userId);
 //
-//	public void addClass(PMClasses pclass); // 添加班级
+	public void addClass(PMClasses pclass); // 添加班级
 //
 //	public List<PMClasses> findClassInExam(int examId); // 获取参与考试的班级
 //
diff --git a/AES/src/main/java/com/example/aes/user/service/impl/ClassesServiceImpl.java b/AES/src/main/java/com/example/aes/user/service/impl/ClassesServiceImpl.java
index 588ac1f..6914417 100644
--- a/AES/src/main/java/com/example/aes/user/service/impl/ClassesServiceImpl.java
+++ b/AES/src/main/java/com/example/aes/user/service/impl/ClassesServiceImpl.java
@@ -8,7 +8,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 
+import java.util.HashMap;
 import java.util.List;
+import java.util.UUID;
 
 @Service
 public class ClassesServiceImpl implements ClassesServiceI {
@@ -120,5 +122,50 @@ public void setclassstudentsDao(ClassstudentsDaoI classstudentsDao) {
 
 		return classesDao.deleteClass(id);
 	}
+	@Override
+	public void addClass(PMClasses pclass) {
+		// TODO Auto-generated method stub
+		// ����������
+		// 1.��ȡ���ݿ���������֤��
+		List<Classes> classes = classesDao.findAllClass();
+		HashMap<String, Integer> inviteCodeMap = new HashMap<>();
+		int i=0;
+
+		for (Classes classes2 : classes) {
+			i+=1;
+//            System.out.println(i+"_"+classes2.getId());
+			try {
+				inviteCodeMap.put(classes2.getInviteCode(), classes2.getId());
+			} catch (Exception e) {
+				System.out.println(classes2.getId());
+				e.printStackTrace();
+				// TODO: handle exception
+			}
+
+		}
+		// 2.��֤��֤���Ψһ��
+		while (true) {
+			String inviteCode = getInviteCode();
+			if (!inviteCodeMap.containsKey(inviteCode)) {
+				pclass.setInviteCode(inviteCode);
+				break;
+			}
+		}
+		classesDao.addClass(pclass);
+	}
+	// addclass要用的方法
+	public String getInviteCode() {
+		// 1.������֤�룬2.��֤���ݿ�
+		String[] chars = new String[] { "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F",
+				"G", "H", "J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };
+		StringBuffer shortBuffer = new StringBuffer();
+		String uuid = UUID.randomUUID().toString().replace("-", "");
+		for (int j = 0; j < 8; j++) {
+			String str = uuid.substring(j * 4, j * 4 + 4);
+			int par = Integer.parseInt(str, 16);
+			shortBuffer.append(chars[par % 32]);
+		}
+		return shortBuffer.toString();
+	}
 
 }