/Lib/Core/Dispatcher.class.php
PHP | 201 lines | 175 code | 2 blank | 24 comment | 8 complexity | 7fd24df0a2289cd01fcb232ebc13d7c8 MD5 | raw file
- <?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>
- // +----------------------------------------------------------------------
-
- /**
- * ThinkPHP内置的Dispatcher类
- * 完成URL解析、路由和调度
- * @category Think
- * @package Think
- * @subpackage Core
- * @author liu21st <liu21st@gmail.com>
- */
- class Dispatcher {
-
- /**
- * URL映射到控制器
- * @access public
- * @return void
- */
- static public function dispatch() {
- $urlMode = C('URL_MODEL');
- if(!empty($_GET[C('VAR_PATHINFO')])) { // 判断URL里面是否有兼容模式参数
- $_SERVER['PATH_INFO'] = $_GET[C('VAR_PATHINFO')];
- unset($_GET[C('VAR_PATHINFO')]);
- }
- if($urlMode == URL_COMPAT ){
- // 兼容模式判断
- define('PHP_FILE',_PHP_FILE_.'?'.C('VAR_PATHINFO').'=');
- }elseif($urlMode == URL_REWRITE ) {
- //当前项目地址
- $url = dirname(_PHP_FILE_);
- if($url == '/' || $url == '\\')
- $url = '';
- define('PHP_FILE',$url);
- }else {
- //当前项目地址
- define('PHP_FILE',_PHP_FILE_);
- }
-
- // 开启子域名部署
- if(C('APP_SUB_DOMAIN_DEPLOY')) {
- $rules = C('APP_SUB_DOMAIN_RULES');
- $subDomain = strtolower(substr($_SERVER['HTTP_HOST'],0,strpos($_SERVER['HTTP_HOST'],'.')));
- define('SUB_DOMAIN',$subDomain); // 二级域名定义
- if($subDomain && isset($rules[$subDomain])) {
- $rule = $rules[$subDomain];
- }elseif(isset($rules['*'])){ // 泛域名支持
- if('www' != $subDomain && !in_array($subDomain,C('APP_SUB_DOMAIN_DENY'))) {
- $rule = $rules['*'];
- }
- }
- if(!empty($rule)) {
- // 子域名部署规则 '子域名'=>array('分组名/[模块名]','var1=a&var2=b');
- $array = explode('/',$rule[0]);
- $module = array_pop($array);
- if(!empty($module)) {
- $_GET[C('VAR_MODULE')] = $module;
- $domainModule = true;
- }
- if(!empty($array)) {
- $_GET[C('VAR_GROUP')] = array_pop($array);
- $domainGroup = true;
- }
- if(isset($rule[1])) { // 传入参数
- parse_str($rule[1],$parms);
- $_GET = array_merge($_GET,$parms);
- }
- }
- }
- // 分析PATHINFO信息
- if(empty($_SERVER['PATH_INFO'])) {
- $types = explode(',',C('URL_PATHINFO_FETCH'));
- foreach ($types as $type){
- if(0===strpos($type,':')) {// 支持函数判断
- $_SERVER['PATH_INFO'] = call_user_func(substr($type,1));
- break;
- }elseif(!empty($_SERVER[$type])) {
- $_SERVER['PATH_INFO'] = (0 === strpos($_SERVER[$type],$_SERVER['SCRIPT_NAME']))?
- substr($_SERVER[$type], strlen($_SERVER['SCRIPT_NAME'])) : $_SERVER[$type];
- break;
- }
- }
- }
- $depr = C('URL_PATHINFO_DEPR');
- if(!empty($_SERVER['PATH_INFO'])) {
- tag('path_info');
- $part = pathinfo($_SERVER['PATH_INFO']);
- define('__EXT__', isset($part['extension'])?strtolower($part['extension']):'');
- if(C('URL_HTML_SUFFIX')) {
- $_SERVER['PATH_INFO'] = preg_replace('/\.('.trim(C('URL_HTML_SUFFIX'),'.').')$/i', '', $_SERVER['PATH_INFO']);
- }elseif(__EXT__) {
- $_SERVER['PATH_INFO'] = preg_replace('/.'.__EXT__.'$/i','',$_SERVER['PATH_INFO']);
- }
- if(!self::routerCheck()){ // 检测路由规则 如果没有则按默认规则调度URL
- $paths = explode($depr,trim($_SERVER['PATH_INFO'],'/'));
- if(C('VAR_URL_PARAMS')) {
- // 直接通过$_GET['_URL_'][1] $_GET['_URL_'][2] 获取URL参数 方便不用路由时参数获取
- $_GET[C('VAR_URL_PARAMS')] = $paths;
- }
- $var = array();
- if (C('APP_GROUP_LIST') && !isset($_GET[C('VAR_GROUP')])){
- $var[C('VAR_GROUP')] = in_array(strtolower($paths[0]),explode(',',strtolower(C('APP_GROUP_LIST'))))? array_shift($paths) : '';
- if(C('APP_GROUP_DENY') && in_array(strtolower($var[C('VAR_GROUP')]),explode(',',strtolower(C('APP_GROUP_DENY'))))) {
- // 禁止直接访问分组
- exit;
- }
- }
- if(!isset($_GET[C('VAR_MODULE')])) {// 还没有定义模块名称
- $var[C('VAR_MODULE')] = array_shift($paths);
- }
- $var[C('VAR_ACTION')] = array_shift($paths);
- // 解析剩余的URL参数
- preg_replace('@(\w+)\/([^\/]+)@e', '$var[\'\\1\']=strip_tags(\'\\2\');', implode('/',$paths));
- $_GET = array_merge($var,$_GET);
- }
- define('__INFO__',$_SERVER['PATH_INFO']);
- }
-
- // 获取分组 模块和操作名称
- if (C('APP_GROUP_LIST')) {
- define('GROUP_NAME', self::getGroup(C('VAR_GROUP')));
- }
- define('MODULE_NAME',self::getModule(C('VAR_MODULE')));
- define('ACTION_NAME',self::getAction(C('VAR_ACTION')));
- // URL常量
- define('__SELF__',strip_tags($_SERVER['REQUEST_URI']));
- // 当前项目地址
- define('__APP__',strip_tags(PHP_FILE));
- // 当前模块和分组地址
- if(defined('GROUP_NAME')) {
- define('__GROUP__',(!empty($domainGroup) || strtolower(GROUP_NAME) == strtolower(C('DEFAULT_GROUP')) )?__APP__ : __APP__.'/'.GROUP_NAME);
- define('__URL__',!empty($domainModule)?__GROUP__.$depr : __GROUP__.$depr.MODULE_NAME);
- }else{
- define('__URL__',!empty($domainModule)?__APP__.'/' : __APP__.'/'.MODULE_NAME);
- }
- // 当前操作地址
- define('__ACTION__',__URL__.$depr.ACTION_NAME);
- //保证$_REQUEST正常取值
- $_REQUEST = array_merge($_POST,$_GET);
- }
-
- /**
- * 路由检测
- * @access public
- * @return void
- */
- static public function routerCheck() {
- $return = false;
- // 路由检测标签
- tag('route_check',$return);
- return $return;
- }
-
- /**
- * 获得实际的模块名称
- * @access private
- * @return string
- */
- static private function getModule($var) {
- $module = (!empty($_GET[$var])? $_GET[$var]:C('DEFAULT_MODULE'));
- unset($_GET[$var]);
- if(C('URL_CASE_INSENSITIVE')) {
- // URL地址不区分大小写
- // 智能识别方式 index.php/user_type/index/ 识别到 UserTypeAction 模块
- $module = ucfirst(parse_name($module,1));
- }
- return strip_tags($module);
- }
-
- /**
- * 获得实际的操作名称
- * @access private
- * @return string
- */
- static private function getAction($var) {
- $action = !empty($_POST[$var]) ?
- $_POST[$var] :
- (!empty($_GET[$var])?$_GET[$var]:C('DEFAULT_ACTION'));
- unset($_POST[$var],$_GET[$var]);
- return strip_tags(C('URL_CASE_INSENSITIVE')?strtolower($action):$action);
- }
-
- /**
- * 获得实际的分组名称
- * @access private
- * @return string
- */
- static private function getGroup($var) {
- $group = (!empty($_GET[$var])?$_GET[$var]:C('DEFAULT_GROUP'));
- unset($_GET[$var]);
- return strip_tags(C('URL_CASE_INSENSITIVE') ?ucfirst(strtolower($group)):$group);
- }
-
- }