PHP实例程序：用PHP制作登录页面程序
点击次数：29 次 发布日期：2008-11-19 21:14:05 作者：源代码网
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源代码网推荐
| 以下为引用的内容：
源代码网整理以下<?php
//这个脚本是用来给用户输入口令，并判断口令是否正确的。
//如果正确则转到欢迎页面。
if (login){
include("../include/config.inc.php3");
session_start();
right_enter="0";
query="select * from user_define where user_login="user_login" and user_pass=password("user_pass")";
result=@mysql_query(query,dbconnect);
if (user_array=@mysql_fetch_array(result)){
user_id=user_array[user_id];
user_name=user_array[user_info];
session_register("user_id");
session_register("user_name");
session_register("user_array");
if((user_array[ticket_day]) and (user_array[ticket_num])){
right_enter="1";
}
else{
error_message="对不起，您没有订票的权限！";
}
}
else{
error_message="错误！用户名错，或口令错。请重新输入。";
}
log_time=date("Y-m-d H:i:s");
query="insert into log_record (log_time,user_login,remote_addr,right_enter,enter_function) values ("log_time","user_login","REMOTE_ADDR","right_enter","1")";
@mysql_query(query,dbconnect);
if(right_enter){
Header("Location: welcome_reserve.php3");
exit;
}
}
if(logout){
session_start();
session_unregister("user_id");
session_unregister("user_name");
session_unregister("user_array");
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
源代码网整理以下<html>
<head>
<title>用户登录</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="../include/njz_common.css">
</head><body>
<p> </p>
源代码网整理以下<form name="form1" method="post" action="<?php echo PHP_SELF; ?>" >
<table width="289" border="1" cellspacing="0" cellpadding="1" bordercolor="#999999" align="center">
<tr bgcolor="#999999">
<td>
<div align="center"><font color="#FFFFFF" size="4">用户登录</font></div>
</td>
</tr>
<tr>
<td>
<table width="267" border="0" cellspacing="0" cellpadding="5" align="center">
<tr>
<td width="94">
<div align="right">用户：</div>
</td>
<td width="169">
<input type="text" name="user_login" size="16" maxlength="16" value="<?php echo user_login; ?>">
</td>
</tr>
<tr>
<td width="94">
<div align="right">口令：</div>
</td>
<td width="169">
<input type="password" name="user_pass" size="16" maxlength="16">
</td>
</tr>
<tr>
<td colspan="2">
<div align="center">
<input type="submit" name="login" value=" 登 录 ">
<input type="button" name="return_index" value="返回首页" onClick="form1.action="../include/goto_page.php3?dist_page=../main.php3";form1.submit();return;">
</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
<?php
if(error_message) echo "<center><font color="#ff0000">error_message</font></center>";
?>
<SCRIPT language="JavaScript">document.form1.user_login.focus();
</SCRIPT>
<p> </p>
<?php include("../footer.php3"); ?>
</body>
</html>
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