src/edu/school/service/TeacherService.java

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package edu.school.service;

import edu.school.entity.*;

import java.util.List;


public interface TeacherService {
    //新增班主任
    public int addTeacher(Teacher teacher);
    //判断编号是否存在
    public boolean existsTno(String tno);
    //查询数量
    public int queryCount();
    //分页查询班主任
    public List<Teacher> findAllByPage(PageTool pageTool);
    //根据id删除班主任
    public int delete(Integer id);
    //条件查询
    public List<Teacher> findByTeacher(String tno, String realname);
    //班主任登陆
    public Teacher login(String tno, String pwd);
    //根据id查询
    public Teacher queryById(Integer id);
    //修改
    public int update(Teacher teacher);
}