diff --git a/src/cn/edu/hactcm/Service/ClassService.java b/src/cn/edu/hactcm/Service/ClassService.java
new file mode 100644
index 0000000..33cbeda
--- /dev/null
+++ b/src/cn/edu/hactcm/Service/ClassService.java
@@ -0,0 +1,21 @@
+package cn.edu.hactcm.service;
+import cn.edu.hactcm.po.Class;
+import cn.edu.hactcm.po.PageInfo;
+
+import java.util.List;
+
+/**
+ * 用户Service层接口
+ */
+public interface ClassService {
+
+	//分页查询
+	public PageInfo<Class> findPageInfo(String c_classname, String c_counsellor, Integer c_classid, Integer pageIndex, Integer pageSize);
+
+	public int deleteClass(Integer c_id);   //删除班级信息
+	public int addClass(Class ucalss);    //添加班级信息
+	public Class findClassById(Integer c_id);
+	public int updateClass(Class uclass); //修改班级信息
+	public List<Class> findClassStudent(Class uclass);//查询班级人员信息
+	public List<Class> getAll();
+}