这里分析了php的简单防盗链实现方法。分享飞大家供大家参考。具体如下:
index.php页面如下:
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<html>
<head>
<meta http-equiv= "Content-Language" content= "en" />
<meta name= "GENERATOR" content= "PHPEclipse 1.0" />
<meta http-equiv= "Content-Type" content= "text/html; charset=gb2312" />
<title>防盗链</title>
</head>
<body>
<form action= "check.php" method= "post" >
提交信息:<input type= "text" name= "name" value= "" />
<input type= "submit" name= "submit" value= "提交" />
</form>
</body>
</html>
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check.php页面如下:
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$urlar = parse_url ( $_SERVER [ 'HTTP_REFERER' ]);
print ( "<pre>" );
print_r( $urlar );
print_r( $_SERVER [ 'HTTP_REFERER' ]);
if ( $urlar [ 'host' ]!= "localhost" ){ //此处可替换成当前使用的域名
echo "<script>alert('连接失败');location.href='index.php';</script>" ;
exit ;
}
print ( "</pre>" );
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希望本文所述对大家php程序设计有所帮助。