学生选课系统---AdminitartorDAO

Posted 2020-08-22

　　学生信息操作：

package com.csms.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import com.csms.DBLink;
import com.csms.entity.Adminitartor;

/**
 * @author 李佩
 * 
 * @version v1
 * 
 * @time 2016/12/2 18:43
 * 
 * @program 管理员信息与数据库进行操作的类
 *
 */

public class AdminitartorDAO {

	// 管理员登录确认
	public Boolean loginConfirm(String name, String password) {
		// 实例化管理员对象
		Adminitartor admin = new Adminitartor();

		// 1.获得数据库连接对象
		Connection conn = DBLink.getConn();

		// 2.查询管理员的sql语句
		String sql = "SELECT loginName,loginPsd FROM adminitrator";

		Statement stm = null;
		ResultSet rs = null;
		try {
			// 3.将sql语句发送，执行查询
			stm = conn.createStatement();
			rs = stm.executeQuery(sql);
			while (rs.next()) {
				admin.setLoginName(rs.getString("loginName"));
				admin.setLoginPSD(rs.getString("loginPsd"));
				if (name.equals(admin.getLoginName()) && password.equals(admin.getLoginPSD())) {
					return true;
				}
			}
			rs.close();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			// 4.操作完毕，释放连接
			try {
				if (stm != null)
					stm.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		return false;
	}
	
	// 取得管理员的所有的身份信息
	public Adminitartor getInformation(String userName, String userPsd){
		Adminitartor admin = null;
		Connection conn = DBLink.getConn();
		String sql = "SELECT admiID,admiName,admiAge,admiGender,admiPhone,admiAddress FROM adminitrator WHERE loginName=? AND loginPsd=?";
		PreparedStatement ptm = null;
		ResultSet rs = null;
		
		try{
			ptm = conn.prepareStatement(sql);
			ptm.setString(1, userName);
			ptm.setString(2, userPsd);
			rs = ptm.executeQuery();
			while(rs.next()){
				admin = new Adminitartor();
				admin.setAdminID(rs.getString("admiID"));
				admin.setAdminName(rs.getString("admiName"));
				admin.setAdminAge(rs.getInt("admiAge"));
				admin.setAdminGender(rs.getString("admiGender"));
				admin.setAdminPhone(rs.getString("admiPhone"));
				admin.setAdminAddress(rs.getString("admiAddress"));
			}
			rs.close();
		}catch(SQLException e){
			e.printStackTrace();
		}finally{
			try{
				if(ptm!=null){
					ptm.close();
				}
			}catch(SQLException e){
				e.printStackTrace();
			}
		}		
		return admin;		
	}
}