checkuser.java

一个可以存储和打印成绩单的系统

package org.wuhang.login;
  
import java.util.HashMap;
import java.util.Iterator;

import org.minjey.cjsjk.dao.Dao;
import org.minjey.cjsjk.model.Admin;

public class CheckUser {
	
	public static Admin admin = null;
	
public static boolean checkPwd(String t_pwd,String t_name){
	MD5 md51 = new MD5();
	String MD5_pwd = md51.md5s(t_pwd);
	HashMap<Integer, Object> users = Dao.getDao().loadall(Admin.class);
	String pwd = null;
	Iterator it = users.values().iterator();
	boolean find = false;
	Admin admin = null;
	while(it.hasNext()) {
		admin = (Admin)it.next();
		if(admin.getUsername().equals(t_name)) {
			pwd = admin.getPassword();
			find = true;
			break;
		}
	}
	if(find) {
		if(MD5_pwd .equals(pwd)) {
			CheckUser.admin = admin;
			return true;
		}else 
			return false;
		} else {
			return false;
		}
	}
/*
	public static int isUser(String t_pwd, String t_name) {
		int user_id = DAO.isUser(t_name);
		if (user_id != 0 && user_id != -1) {
			return 1;
		} else
			return 0;
	}
*/
	public static boolean updateUser(String t_pwd, String t_name) {
		try{
			MD5 md51 = new MD5();
			String MD5_pwd = md51.md5s(t_pwd);
			CheckUser.admin.setUsername(t_name);
			CheckUser.admin.setPassword(MD5_pwd);
			Dao.getDao().update(admin);
			return true;
		} catch (Exception ex) {
			return false;
		}
	}
}