复制代码 代码如下:
userlist, pattern=>get /user, action=>user#get),
            array(name=>userinfo, pattern=>get /user/:s, action=>user#getbyid),
            array(name=>useradd, pattern=>post /user, action=>user#add),
            array(name=>userupdate, pattern=>update /user, action=>user#update),
            array(name=>userdel, pattern=>delete /user/:id, action=>user#delete)
        );        // 入口
        public function dispatch() {
            $url = $_server[request_uri];
            $method = $_server[request_method];
            foreach ($this->routers as $router) {
                $pattern = $router[pattern];
                $pats = explode( , $pattern);
                if (strcasecmp($pats[0], $method) == 0) {
                    // 是否与当前路由匹配
                    $params = $this->checkurl($method, strtolower($url), strtolower($pats[1]));
                    if ($params != null) {
                        array_shift($params);
                        $action = $router[action];
                        // 寻找到第一个匹配的路由即执行，然后返回
                        return $this->invoke($action, $params);
                    }
                }
            }
            echo 404 error;
            // error 404
        }
        private function invoke($action, $params) {
            $acts = explode(#, $action);
            $classname = $acts[0].action;
            $methodname = $acts[1];
            $actiondir = dirname(__file__).directory_separator.action;
            // 载入action文件
            $classfile = $actiondir.directory_separator.$classname..php;
            if (! file_exists($classfile)) {
                // 404 error
                echo 404 error, no action found;
                return;
            } else {
                require $classfile;
                // 使用反射执行方法
                $rc = new reflectionclass($classname);
                if (! $rc->hasmethod($methodname)) {
                    // 404 error
                    echo 404 error, no method found;
                    return;
                } else {
                    $instance = $rc->newinstance();
                    $method = $rc->getmethod($methodname);
                    $method->invokeargs($instance, $params);
                }
            }
        }
        // 正则匹配检查，并提取出参数
        private function checkurl($method, $str, $pattern) {
            //echo check $str with $pattern
;
            $ma = array();
            $pattern = ltrim(rtrim($pattern, /));
            $pattern = /.str_replace(/, \/, $pattern).\/?$/;
            $pattern = str_replace(:s, ([^\/]+), $pattern);
            //echo pattern $pattern
;
            //$str = /\.$str.$/;
            if (preg_match($pattern, $str, $ma) > 0) {
                return $ma;
            }
            return null;
        }
    }
?>
http://www.bkjia.com/phpjc/736846.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/736846.htmltecharticle复制代码 代码如下: ?php class router { // 路由表 private $routers = array( array(name=userlist, pattern=get /user, action=user#get), array(name=userinfo,...