ThinkPHP/Library/Behavior/CheckActionRouteBehavior.class.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Behavior;
/**
 * 系统行为扩展：操作路由检测
 */
class CheckActionRouteBehavior {

    // 行为扩展的执行入口必须是run
    public function run(&$config){
        // 优先检测是否存在PATH_INFO
        $regx   =   trim($_SERVER['PATH_INFO'],'/');
        if(empty($regx)) return ;
        // 路由定义文件优先于config中的配置定义
        // 路由处理
        $routes =   $config['routes'];
        if(!empty($routes)) {
            $depr = C('URL_PATHINFO_DEPR');
            // 分隔符替换 确保路由定义使用统一的分隔符
            $regx = str_replace($depr,'/',$regx);
            $regx = substr_replace($regx,'',0,strlen(__URL__));
            foreach ($routes as $rule=>$route){
                if(0===strpos($rule,'/') && preg_match($rule,$regx,$matches)) { // 正则路由
                    return C('ACTION_NAME',$this->parseRegex($matches,$route,$regx));
                }else{ // 规则路由
                    $len1   =   substr_count($regx,'/');
                    $len2   =   substr_count($rule,'/');
                    if($len1>=$len2) {
                        if('$' == substr($rule,-1,1)) {// 完整匹配
                            if($len1 != $len2) {
                                continue;
                            }else{
                                $rule =  substr($rule,0,-1);
                            }
                        }
                        $match  =  $this->checkUrlMatch($regx,$rule);
                        if($match)  return C('ACTION_NAME',$this->parseRule($rule,$route,$regx));
                    }
                }
            }
        }
    }

    // 检测URL和规则路由是否匹配
    private function checkUrlMatch($regx,$rule) {
        $m1     =   explode('/',$regx);
        $m2     =   explode('/',$rule);
        $match  =   true; // 是否匹配
        foreach ($m2 as $key=>$val){
            if(':' == substr($val,0,1)) {// 动态变量
                if(strpos($val,'\\')) {
                    $type = substr($val,-1);