web网站实现AdminDao的通用模板代码

package com.Tianlinyu.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import com.Tianlinyu.model.Admin;
import com.Tianlinyu.model.PageBean;
import com.Tianlinyu.util.DBUtil;
import com.Tianlinyu.util.DbConnect;
import com.qiaojun.model.CePing;

public class AdminDao {
public Admin login(String username,String password){
    
    String sql ="Select * from admin where username=? and password=?";
    Map<String,Object> map = DBUtil.query(sql, new Object[]{username,password});