textbook-management-system/基于PHP的教材管理系统/udel.php

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2021-10-19 00:37:15 +00:00
<?php require_once('Connections/jc.php'); ?>
<?php
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;
switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
if ((isset($_GET['user_name'])) && ($_GET['user_name'] != "")) {
$deleteSQL = sprintf("DELETE FROM admin WHERE user_name=%s",
GetSQLValueString($_GET['user_name'], "text"));
mysql_select_db($database_jc, $jc);
$Result1 = mysql_query($deleteSQL, $jc) or die(mysql_error());
$deleteGoTo = "cg1.htm";
if (isset($_SERVER['QUERY_STRING'])) {
$deleteGoTo .= (strpos($deleteGoTo, '?')) ? "&" : "?";
$deleteGoTo .= $_SERVER['QUERY_STRING'];
}
header(sprintf("Location: %s", $deleteGoTo));
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title><EFBFBD>ޱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD></title>
<style type="text/css">
<!--
.txt {font-size: 12px;
color: #000000;
}
-->
</style>
</head>
<body topmargin="0" bottommargin="0" marginwidth="0" marginheight="0">
</body>
</html>