usersdaoimpl.java

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package com.y2.hr.config.users.dao.impl;

import java.util.List;

import com.y2.hr.base.dao.impl.BaseDaoImpl;
import com.y2.hr.config.users.bean.Users;
import com.y2.hr.config.users.dao.UsersDao;

public class UsersDaoImpl extends BaseDaoImpl implements UsersDao {

	public Users get(String userName, String userPassword) {
		String hql = "from Users where userName = '" + userName
				+ "' and userPassword = '" + userPassword + "'";
		List<?> list = this.get(hql);
		Users user = null;
		if (list.size() > 0) {
			user = (Users) list.get(0);// 获取数据库查询的登录用户的对象
			// 判断用户名和密码的大小写输入是否正确
			if (!user.getUserName().equals(userName)
					|| !user.getUserPassword().equals(userPassword)) {
				user = null;
			}
		}
		return user;
	}

	public List<?> getPage(int curPage) {
		String hql = "from Users";
		return this.getPage(hql, curPage);
	}

	public Users getUsersByUId(String userId) {
		String hql = "from Users where userId = " + userId;
		List<?> list = this.get(hql);
		return list.size() > 0 ? (Users) list.get(0) : null;
	}

	public int sum() {
		String hql = "select count(u) from Users u";
		return this.sum(hql);
	}

}