• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

php处理restful请求的路由(转载http://www.jb51.net/article/47333.htm)

原作者: [db:作者] 来自: [db:来源] 收藏 邀请
<?php
    class Router {
        // 路由表
        private $routers = array(
            array("name"=>"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 <br>";
            $ma = array();
            $pattern = ltrim(rtrim($pattern, "/"));
            $pattern = "/".str_replace("/", "\/", $pattern)."\/?$/";
            $pattern = str_replace(":s", "([^\/]+)", $pattern);
            //echo "pattern $pattern<br>";
            //$str = "/\".$str."$/";
            if (preg_match($pattern, $str, $ma) > 0) {
                return $ma;
            }
            return null;
        }
    }
?>

鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
php中bindValue的批量提交sql语句发布时间:2022-07-10
下一篇:
Linux宝塔下的PHP如何与本地的nginx关联发布时间:2022-07-10
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap