adminservice.java

一套网上书店系统采用JAVABEAN+SERVLET+JSP

package cn.dang.service;

import java.util.List;

import zly.md5.MD5Code;
import cn.dang.dao.AllDAO;

public class AdminService {
	private AllDAO AllDAO_ref = new AllDAO();
	
	public boolean validata(String name,String password) throws Throwable{
		//创建MD5加密对象,以便进行加密处理
		MD5Code md5=new MD5Code();
		//创建login时的进行数据库验证的SQL语句
		System.out.println(md5.getMD5ofStr(password));
		String sql= "select name from admin where password='"+md5.getMD5ofStr(password)+"'";
		//从DAO层获得信息
		List list=AllDAO_ref.getAdminDAO().queryAdminName(sql);
		//如果LIST大小大于0说明有数据就进行比较成功返回true;
		if(list.size()>0){
		if(((String[])list.get(0))[0].equals(md5.getMD5ofStr(name))){
			return true;
		}
		}
		return false;
	}
}