PHP读取打包JS文件

RewriteRule ^((.*/js/)?.*\.js)$ combinejs.php?path=$1&pre=$2&type=js [NC,L,QSA]

RewriteCond %{REQUEST_URI} !\.js$
RewriteCond %{REQUEST_URI} !combinejs\.php$
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.*)$ http://js.wcdn.cn/$1 [NC,L,QSA,R]

 

<?php

require_once 'combine/JSCombineProcessor.php';

//t4/home/js/comp/content/publisherTop.js
$path = @$_GET['path'];
//t4/home/js/
$pre = @$_GET['pre'];
//D:\sina\t4\home\js\comp\content\publisherTop.js
$real_path = realpath($path);

if($real_path == false) {
	$path = str_replace("/js/" , "/js/conf/" , $path);
	$real_path = realpath($path);
	if($real_path == false) {
		$uri = $_SERVER['REQUEST_URI'];
		JSCombineProcessor::getOnlineSource($uri);
		return;
	}
}

header ( 'Content-Type:application/x-javascript;Charset=UTF-8' );

//D:/sina/t4/home/js/comp/content/publisherTop.js
$real_path = str_replace('\\' , '/' , $real_path);
//D:/sina
$basepath = str_replace($path, "", $real_path);
//处理打包逻辑
$processor = new JSCombineProcessor($basepath , $path , $pre);
//获取文件内容
$fileContent = $processor -> getContent();

echo $fileContent;

?>

 

 

<?php
	
	class JSCombineProcessor {
		
		public $basePath;
		public $relativePath;
		public $prePath;
		public $resultArr;
		public $map;
		
		public static function getOnlineSource($path) {
			
			$api = "http://js.wcdn.cn".$path;
			header('Location:'.$api);
			/*
			$api = "http://js.t.sinajs.cn".$path;
			
			$host_ip = '211.101.171.217';    //ip地址
			
			$dns_info = dns_get_record('js.t.sinajs.cn' , DNS_A);
			if(count($dns_info) >= 1) {
				$host_ip = $dns_info[0]['ip'];
			}
			
			$url_info = parse_url($api);
		    $api = str_replace($url_info['host'], $host_ip, $api);   // 将域名替换成ip地址，指定到此ip地址下运行
			
			
			$ch = curl_init($api);
			curl_setopt($ch, CURLOPT_URL, $api);
		    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			$curl_host = array("Host:{$url_info['host']}");   //绑定域名到此ip地址上
		    curl_setopt($ch, CURLOPT_HTTPHEADER, $curl_host);  // 传送头信息
			$result = curl_exec($ch);
			
			$content_type = '';
			// Check if any error occured
			if(!curl_errno($ch))
			{
			    $info = curl_getinfo($ch);

			    $content_type = $info['content_type'];
			    header('Content-Type:'.$content_type);
			}
			echo $result;
			// Close handle
			curl_close($ch);
			*/
		}
		
		public function __construct($basePath , $relativePath , $prePath) {
			$this->basePath = $basePath;
			$this->relativePath = $relativePath;
			$this->prePath = $basePath.$prePath;
			$this->resultArr = array();
			$this->map = array();
		}
		
		public function checkFileBom($path) {
			$chars = array(239,187,191);
			$lines = file($path);
			$bom = false;
			if(count($lines) >= 1) {
				$line = $lines[0] ; 
				if(strlen($line) >= 3) {
					$bom = true;
					for($i = 0 ; $i < 3 ; $i++) {
						if(ord($line[$i]) != $chars[$i]) {
							$bom = false;
							break;
						}
					}
				}
			}
			return $bom;
		}
		
		public function getContent() {
			$entry = $this->basePath.$this->relativePath;
			$this->processOneFile($entry);
			return implode('',$this->resultArr);
		}
		
		public function processOneFile($filePath , $mapkey=false) {
			$real_path = realpath($filePath);
			if($real_path == false && $mapkey) {
				$this->map[$mapkey] = 1;
				return;
			}
			$isutf8bom = $this->checkFileBom($filePath);
			if($isutf8bom) {
				echo "alert('文件：".$filePath." 有utf8 bom 头，请修改')";
				exit;
			}
			$list = file($filePath);
			foreach($list as $line) {
				preg_match ( '/^\s*\$import\s*\(\s*([\'"])\s*(.+)\s*\1\s*\).*$/i', $line, $aMatch );
				if($aMatch) {
					$namespace = $aMatch[2];
					$replace = str_replace(".", "/", $namespace);
					$entry = $this->prePath.$replace.".js";
					if(!array_key_exists($namespace, $this->map)) {
						$this->map[$namespace] = 1;
						$this->processOneFile($entry , $namespace);
					}
				} else {
					$this->resultArr[] = $line;
				}
			}
		}
	}
?>