<?phpclass SimpleLoader{ public static function run($rules=array()){ header("content-type:text/html;charset=utf-8"); self::register(); self::commandLine(); self::router($rules); self::pathInfo(); } //自动加载 public static function loadClass($class){ $class=str_replace("\", "/", $class); $dir=str_replace("\", "/", __DIR__); $class=$dir."/".$class.".php"; if(!file_exists($class)){header("HTTP/1.1 404 Not Found"); } require_once $class;} //命令行模式 public static function commandLine(){ if(php_sapi_name()=="cli"){$_SERVER["PATH_INFO"]="";foreach ($_SERVER["argv"] as $k=>$v) {if($k==0) continue;$_SERVER["PATH_INFO"].="/".$v;} } } //路由模式 public static function router($rules){ if(isset($_SERVER["PATH_INFO"]) && !empty($rules)){$pathInfo=ltrim($_SERVER["PATH_INFO"],"/");foreach ($rules as $k=>$v) {$reg="/".$k."/i";if(preg_match($reg,$pathInfo)){ $res=preg_replace($reg,$v,$pathInfo); $_SERVER["PATH_INFO"]="/".$res;}} } } //pathinfo处理 public static function pathInfo(){ if(isset($_SERVER["PATH_INFO"])){$pathinfo=array_filter(explode("/", $_SERVER["PATH_INFO"]));for($i=1;$i<=count($pathinfo);$i++){$key=isset($pathinfo[$i]) ? $pathinfo[$i] : "";$value=isset($pathinfo[$i+1]) ? $pathinfo[$i+1] :"";switch ($i) { case 1: $_GET["m"]=ucfirst($key); break; case 2: $_GET["c"]=ucfirst($key); break; case 3: $_GET["a"]=$key; break; default: if($i>3){if($i%2==0){$_GET[$key]=$value;} } break;}} } $_GET["m"]=!empty($_GET["m"]) ? ucfirst($_GET["m"]) : "Index"; $_GET["c"]=!empty($_GET["c"]) ? ucfirst($_GET["c"]) : "Index"; $_GET["a"]=!empty($_GET["a"]) ? $_GET["a"] : "index"; $class="\Controller\{$_GET["m"]}\{$_GET["c"]}"; $controller=new $class; if(method_exists($controller, $_GET["a"])){$controller=new $class;$controller->$_GET["a"](); }else{header("HTTP/1.1 404 Not Found");echo "404"; } } //致命错误回调 public static function shutdownCallback(){ $e=error_get_last(); if(!$e) return; self::myErrorHandler($e["type"],"<font color="red">Fatal Error</font> ".$e["message"],$e["file"],$e["line"]); } //错误处理 protected static function myErrorHandler($errno,$errstr,$errfile,$errline){ list($micseconds,$seconds)=explode(" ",microtime()); $micseconds=round($micseconds*1000); $micseconds=strlen($micseconds)==1 ? "0".$micseconds : $micseconds; if(php_sapi_name()=="cli"){$break="
"; }else{$break="<br/>"; } $mes="[".date("Y-m-d H:i:s",$seconds).":{$micseconds}] ".$errfile." ".$errline." line ".$errstr.$break; echo $mes;} //注册 public static function register(){ error_reporting(0); set_error_handler(function($errno,$errstr,$errfile,$errline){self::myErrorHandler($errno,$errstr,$errfile,$errline); }); register_shutdown_function(function(){self::shutdownCallback(); }); spl_autoload_register("self::loadClass"); }} 如何使用<?php//路由映射$rules=array( "^user$"=>"User/User/getUserList", "^user/(d+)$"=>"User/User/getUserById/id/$1", "^user/(d+)/article$"=>"User/User/getUserArticle/uid/$1");require_once "SimpleLoader.php";SimpleLoader::run($rules);控制器啥样
<?phpnamespace ControllerUser;class User{ public function getUserById(){ echo "用户信息id {$_GET["id"]} 的信息"; } public function getUserList(){ echo "用户列表"; } public function getUserArticle(){ echo "用户id {$_GET["uid"]} 的文章列表"; }} 效果呢:


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