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php mysql 留言本应用实例第1/2页
摘要:复制代码代码如下:复制代码代码如下:

复制代码 代码如下:

<?php

$hostname_conn = "localhost";

$database_conn = "test";

$username_conn = "root";

$password_conn = "1981427";

$conn = mysql_connect($hostname_conn, $username_conn, $password_conn);

?>

复制代码 代码如下:

<?php

//该函数用于将一般字符串转换成SQL语句所需要的格式

function GetSQLValueString($theValue, $theType)

{

$theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;

switch ($theType) {

case "text":

$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";

break;

case "int":

$theValue = ($theValue != "") ? intval($theValue) : "NULL";

break;

}

return $theValue;

}

?>

复制代码 代码如下:

<?php

session_start();

//如果Session不存在,则跳转到Admin.php

if (!(isset($_SESSION['MM_Username']))) {

header("Location: admin.php");

exit;

}

?>

复制代码 代码如下:

<?php require_once('Connections/conn.php'); ?>

<?php

// *** Validate request to login to this site.

session_start();

$loginFormAction = $_SERVER['PHP_SELF'];

if (isset($accesscheck)) {

$GLOBALS['PrevUrl'] = $accesscheck;

session_register('PrevUrl');

}

if (isset($_POST['username'])) {

$loginUsername=$_POST['username'];

$password=$_POST['password'];

$MM_fldUserAuthorization = "";

$MM_redirectLoginSuccess = "adminmain.php";

$MM_redirectLoginFailed = "admin.php";

$MM_redirecttoReferrer = false;

mysql_select_db($database_conn, $conn);

$LoginRS__query=sprintf("SELECT adminname, password FROM admin WHERE adminname='%s' AND password='%s'",

get_magic_quotes_gpc() ? $loginUsername : addslashes($loginUsername), get_magic_quotes_gpc() ? $password : addslashes($password));

$LoginRS = mysql_query($LoginRS__query, $conn) or die(mysql_error());

$loginFoundUser = mysql_num_rows($LoginRS);

if ($loginFoundUser) {

$loginStrGroup = "";

//declare two session variables and assign them

$GLOBALS['MM_Username'] = $loginUsername;

$GLOBALS['MM_UserGroup'] = $loginStrGroup;

//register the session variables

session_register("MM_Username");

session_register("MM_UserGroup");

if (isset($_SESSION['PrevUrl']) && false) {

$MM_redirectLoginSuccess = $_SESSION['PrevUrl'];

}

header("Location: " . $MM_redirectLoginSuccess );

}

else {

header("Location: ". $MM_redirectLoginFailed );

}

}

?>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title>Untitled Document</title>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<style type="text/css"><></style><style type="text/css" bogus="1">.style1 {font-size: 18px;

font-weight: bold;

}

.style2 {font-size: 14px}</style>

</head>

<body>

<p align="center"><span>留言板 - 管理登陆</span></p>

<p align="center"><span><a href="viewposts.php" href="viewposts.php">浏览留言</a> | <a href="newpost.php" href="newpost.php">发表留言</a></span></p>

<form name="form1" method="POST" action="<?php echo $loginFormAction; ?>">

<table width="239" border="0" align="center">

<tr>

<td width="73">用户名:</td>

<td width="156"><input name="username" type="text" id="username"></td>

</tr>

<tr>

<td>密码:</td>

<td><input name="password" type="password" id="password"></td>

</tr>

<tr>

<td> </td>

<td><input type="submit" name="Submit" value="提交">

<input type="reset" name="Submit2" value="重设"></td>

</tr>

</table>

</form>

<p align="center"> </p>

</body>

</html>

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