userservice.java
来自「servlet做的学员管理系统的软代码大家咄咄支持」· Java 代码 · 共 35 行
JAVA
35 行
package com.allan.ums.service;
import java.util.Collection;
import com.allan.ums.dao.UserDao;
import com.allan.ums.entity.User;
import com.allan.ums.util.DaoFactory;
public class UserService {
private UserDao userDao;
public UserService(){
userDao = (UserDao)DaoFactory.getDao("userDao");
}
public void add(User user) {
userDao.insert(user);
}
public Collection<User> find(User user) {
return userDao.select(user);
}
public void modify(User user) {
userDao.update(user);
}
public void remove(int id) {
userDao.delete(id);
}
public User find(int id) {
return userDao.select(id);
}
}
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?