批量获取css中的图片


css文件地址：

保存至：





 &$value ) {
		if ($value == '..') {
			for($i = $key - 1; $i > - 1; $i --) {
				if (! empty ( $arrUri [$i] )) {
					$arrUri [$i] = '';
					break;
				}
			}
			$value = '';
		}
	}
	$arrUri = array_flip ( array_flip ( $arrUri ) );
	if (substr ( $uri, - 1, 1 ) == '/')
		array_push ( $arrUri, '' );
	$arrUrlCurrent ['path'] = implode ( $pathSeparator, $arrUri );
	return $arrUrlCurrent;

}
/*合并由parse_url分析的数组(没有考虑用户名密码)*/
function parse_url_join($arr) {
	$out = array ();
	if (! empty ( $arr ['scheme'] )) {
		array_push ( $out, $arr ['scheme'] . '://' );
	}
	if (! empty ( $arr ['host'] )) {
		array_push ( $out, $arr ['host'] );
	}
	if (! empty ( $arr ['port'] )) {
		array_push ( $out, ':' . $arr ['port'] );
	}
	if (! empty ( $arr ['path'] )) {
		array_push ( $out, $arr ['path'] );
	}
	if (! empty ( $arr ['query'] )) {
		array_push ( $out, '?' . $arr ['query'] );
	}
	if (! empty ( $arr ['fragment'] )) {
		array_push ( $out, '#' . $arr ['fragment'] );
	}
	return implode ( '', $out );
}

////输出:http://www.haihun.cn/ddd/
//echo parse_url_join(parse_uri('/blog/../fuck/../../ddd/bbb/../','http://www.sman.cn/')),'
';
//
////输出:http://www.1344.cn/blog
//echo parse_url_join(parse_uri('blog/','http://www.sman.cn/')),'
';
//
////输出:http://www.sman.cn/dd/index.asp
//echo parse_url_join(parse_uri('../dd/./index.asp','http://www.sman.cn/blog/')),'
';
//
////输出:http://www.sman.cn/fuck/1.asp
//echo parse_url_join(parse_uri('1.asp','http://www.sman.cn/blog/../fuck/')),'
';


/*******************************************/

function my_substr($a, $b) {
	$a = explode ( $b, $a );
	return $a ['0'];
}

$css_url = $_POST ['css']; //远程从上述文件地址
$save_dir = empty ( $_POST ['save_dir'] ) ? "download" : $_POST ['save_dir'];
if (! empty ( $css_url )) {
	$save_dir = dirname ( __FILE__ ) . "\\" . $save_dir;
	
	set_time_limit ( 0 );
	
	$cssfile = file_get_contents ( $css_url );
	
	preg_match_all ( "/url\((.*)\)/", $cssfile, $imgurls );
	
	$imgurls = array_unique ( $imgurls [1] );
	
	foreach ( $imgurls as $img ) {
		$file_name = my_substr ( basename ( $img ), ')' ); //获取文件名字
		$img_src = parse_url_join ( parse_uri ( $img, $css_url ) ); //合成文件地址
		$img_src = my_substr ( $img_src, ')' );
		if (@$file_stream = file_get_contents ( $img_src )) {
			if (! is_dir ( $save_dir )) {
				mkdir ( $save_dir );
			}
			$file_path = my_substr ( $save_dir . "\\" . $file_name, '?' );
			if (! file_put_contents ( $file_path, $file_stream )) {
				echo "
保存[" . $file_path . "]出错,请检查是否有写入权限！
";
			} else {
				//echo "
";
				$dir = pathinfo ( $save_dir );
				$success [] = $dir ['basename'] . "/" . $file_name;
			}
		} else {
			//echo "
远程读取[" . $img_src . "]出错
";
			$failure [] = $img_src;
		}
	}
	if (! empty ( $success )) {
		echo "
成功获取以下文件,并保存至( $save_dir ) 
";
		foreach ( $success as $suc ) {
			echo "
";
		}
	} else {
		echo "
没有获取到任何图片地址！
";
	}
	echo "
";
	if (! empty ( $failure )) {
		foreach ( $failure as $fai ) {
			echo "
远程读取[" . $fai . "]出错
";
		}
	}
} else {
	echo "
请先输入正确的CSS路径！
";
}
?>

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