ipcheck.php

来自「php模块设计。。。里面的模块很有学习价值」· PHP 代码 · 共 20 行

PHP
20
字号
<?
	$TIME_LIMIT = 30;
	$voter_ip = $REMOTE_ADDR;

	$SQLStr = "SELECT * FROM voteuser WHERE v_id = '$v_id' AND u_ip = '$voter_ip' AND u_time + INTERVAL $TIME_LIMIT MINUTE > now()";
	$res = db_query($SQLStr);
	
	if (db_num_rows($res)>0)
	{
		echo "<script>";
		echo "alert(\"您不可重复投票\");";
		echo "</script>";
		echo "<body onload=\"history.back();\">";
		break;	}
	else
	{
		$SQLStr = "INSERT INTO voteuser (v_id, u_ip, u_time) VALUES ('$v_id', '$voter_ip', now())";
		db_query($SQLStr);
	}
?>

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