JSP在线CD销售系统
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JSP登录系统源代码:login.jsp
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page session="true" %>
<jsp:useBean id="login" scope="page" class="cdshop.run.login" />
<%
String mesg = "";
if( request.getParameter("username")!=null && !request.getParameter("username").equals("")){
String username =request.getParameter("username");
String passwd = request.getParameter("passwd");
username = new String(username.getBytes("ISO8859-1"));
passwd = new String(passwd.getBytes("ISO8859-1"));
login.setUsername(username);
login.setPasswd(passwd);
out.print(username+passwd);
if (login.excute()){
session.setAttribute("username",username);
String userid = Long.toString(login.getUserid());
session.setAttribute("userid",userid);
response.sendRedirect("cdlist.jsp");
%>
<%
}else {
mesg = "登录出错！" ;
}
}
%>
<%@include file="inc/head.inc"%>
<script language="javascript">
function checkform() {
if (document.form1.username.value=="" || document.form1.passwd.value==""){
alert("用户名或密码为空！");
return false;
}
return true;
}
</script>
<div align=center>用户登录 </div>
<br>
<% if (!mesg.equals("")){
out.println("<p>" + mesg + "</p>");}%>
<form name="form1" method="post" action="login.jsp">
<table width="400" border="0" cellspacing="1" cellpadding="1" align="center">
<tr>
<td width="147" align="right">用户名：<br>
</td>
<td width="246" valign="top">
<input type="text" name="username" size="16" maxlength="25">
</td>
</tr>
<tr>
<td width="147" align="right">密码：</td>
<td width="246" valign="top">
<input type="password" name="passwd" maxlength="20" size="16">
</td>
</tr>
<tr>
<td width="147" align="right"> </td>
<td width="246" valign="top">
<input type="submit" name="Submit" value="登录" onclick="javascript:return(checkform());">
<input type="reset" name="Submit2" value="取消">
</td>
</tr>
<tr>
<td colspan="2" align="center">
<p> </p>
测试用户：1 密码：1
</td>
</tr>
<tr>
<td colspan="2" align="center">
<p> </p>
<p>如果你还不是本站用户，请在此<a href="reg.jsp">注册</a></p>
</td>
</tr>
</table>
</form>
<%@include file="inc/tail.inc"%>
首页源代码：index.jps
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.util.*" %>
<%@ page session="true" %>
<%@include file="inc/head.inc"%>
<br>
<form name="form1" method="post" action="login.jsp">
<div align=center>用户登录 </div>
<br>
<table width="300" border="0" cellspacing="1" cellpadding="1" align="center" bgcolor="#FFCC99">
<br>
<tr>
<td align="right">用户名：</td>
<td>
<input type="text" name="username" size="15" maxlength="25">
</td>
</tr>
<tr>
<td align="right">密码：</td>
<td>
<input type="password" name="passwd" size="15" maxlength="20">
</td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="submit" name="Submit" value="登录">
<input type="reset" name="Submit2" value="取消">
</td>
</tr>
<tr>
<td colspan="2" align="center">
<p> </p>
测试用户：1 密码：1
</td>
</tr>
<tr>
<td colspan="2" align=center>如果不是本站会员，请在此<a href="reg.jsp">注册</a>。</td>
</tr>
</table>
</form>
<%@include file="inc/tail.inc"%>