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src/cn/edu/hactcm/Service/StudentService.java

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+package cn.edu.hactcm.service;
+import cn.edu.hactcm.po.PageInfo;
+import cn.edu.hactcm.po.Student;
+
+import java.util.List;
+
+/**
+ * 用户Service层接口
+ */
+public interface StudentService {
+
+	//分页查询
+	public PageInfo<Student> findPageInfo(String s_name,Integer s_studentid,Integer s_classid,
+										  String s_classname, Integer pageIndex, Integer pageSize);
+
+	public int deleteStudent(Integer s_id);   //通过id删除学生信息
+	public int addStudent(Student student);   //添加学生信息
+	public int updateStudent(Student student); //修改学生信息
+	public Student findStudentById(Integer s_id);
+	public List<Student> getAll();
+
+}