login.jsp

来自「手机在线系统 采用Java 中的J2ME, JSP 跟MySql 运行环」· JSP 代码 · 共 66 行

JSP
66
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<%@page contentType="text/html; charset=gb2312" language="java" import="java.sql.*, com.j2me.data.*"%>
<HTML>

<HEAD>

<TITLE> New Document </TITLE>

</HEAD>

<BODY>
<%
    /**
	  * @(#)england_team_name.jsp	1.11 01/08/23
	  * Copyright (c) 2004-2005 wuhua of workroom Inc. All Rights Reserved.
	  * @version 	1.0, 10/05/2004
	  * @author 	饶荣庆
	  * @author 	余煜辉
	  */

	 /*此文件用于获得客户端用户名,与用户密码信息,并做出判断*/

	 User u = null	; //数据库连接类
	 String name =request.getParameter("name");	  //获得参数
	 String userPassword =request.getParameter("password");
	 
	 try
	 {
		 u = new User();
		 u.connect();	   //连接数据库
	 }
	 catch(ClassNotFoundException e)
	 {
         out.println(e.getMessage());
	 }

	 try
	 {
		 String user = null; 
		 String password = null	;

		 ResultSet rs = u.view("select *from user;");	 //显示数据

		 while (rs.next())
		 {
             user =rs.getString(1);
		     password=rs.getString(2);

			 if (name.trim().compareTo(user) == 0 && userPassword.trim().compareTo(password) == 0)
			 {
				 out.println("true");	//如果密码与用户名匹配,则输出true
				 break;
			 }		        
         }  
	 }
	 catch(SQLException sqlexception)
     {
		 out.println(sqlexception.getMessage());	 //输出连接错误
	 }

	 u.disconnect(); //注销数据库
%>


</BODY>
</HTML>

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