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可能重复:
mysql kill process is user dont got enought points PHP在现场PHP的MySQL替换文本
我有一个点系统,用户系统,人们可以升级到[专业]用户与50分。当他们注册时,自动将[用户]写入我的权限字段。但是现在我想要这样做后,它检查他们是否得到50分,然后用[专业]替换[用户],然后减去50分。
<?php
session_start();
//=============Configuring Server and Database=======
$host = 'localhost';
$user = 'root';
$password = '';
//=============Data Base Information=================
$database = 'login';
$conn = mysql_connect($host,$user,$password) or die('Server Information is not Correct'); //Establish Connection with Server
mysql_select_db($database,$conn) or die('Database Information is not correct');
//===============End Server Configuration============
//=============Starting Registration Script==========
$username = mysql_real_escape_string($_POST['txtusername']);
//=============To Encrypt Password===================
//============New Variable of Password is Now with an Encrypted Value========
$insert = "UPDATE `users` SET `points` = (`points`-50) WHERE `username` = '".$username."' and points > 50";
mysql_query($insert);
if (mysql_affected_rows() > 1)
{
// other codes
$insert = "UPDATE `users` SET `rights` = (`rights` [PRO]) WHERE `username` = '".$username."'";
mysql_query($insert);
header('location: succesupgrade.php');
}else{
echo "You don't have enough points to buy [PRO]";
}
?>
再次说明:我希望在用户购买[PRO]后,[用户]将被替换为[PRO]。然后他们输了50分。如果他们没有得到50分。回声说了些什么。
@MarcB - 相同的程序,不同的问题。 –