|
<?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>
// +----------------------------------------------------------------------
// $Id: Dispatcher.class.php 2702 2012-02-02 12:35:01Z liu21st $
/**
+------------------------------------------------------------------------------
* ThinkPHP内置的Dispatcher类 用于精简模式
* 完成URL解析、路由和调度
+------------------------------------------------------------------------------
* @category Think
* @package Think
* @subpackage Util
* @author liu21st <liu21st@gmail.com>
* @version $Id: Dispatcher.class.php 2702 2012-02-02 12:35:01Z liu21st $
+------------------------------------------------------------------------------
*/
class Dispatcher {
/**
+----------------------------------------------------------
* URL映射到控制器
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
static public function dispatch() {
$urlMode = C('URL_MODEL');
if($urlMode == URL_COMPAT || !empty($_GET[C('VAR_PATHINFO')])){
// 兼容模式判断
define('PHP_FILE',_PHP_FILE_.'?'.C('VAR_PATHINFO').'=');
$_SERVER['PATH_INFO'] = $_GET[C('VAR_PATHINFO')];
unset($_GET[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_);
}
// 分析PATHINFO信息
tag('path_info');
// 分析PATHINFO信息
$depr = C('URL_PATHINFO_DEPR');
if(!empty($_SERVER['PATH_INFO'])) {
if(C('URL_HTML_SUFFIX') && !empty($_SERVER['PATH_INFO'])) {
$_SERVER['PATH_INFO'] = preg_replace('/\.'.trim(C('URL_HTML_SUFFIX'),'.').'$/', '', $_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'],'/'));
$var = array();
if (C('APP_GROUP_LIST') && !isset($_GET[C('VAR_GROUP')])){
$var[C('VAR_GROUP')] = in_array(strtolower($paths[0]),explode(',',strtolower(C('APP_GROUP_LIST'))))? array_shift($paths) : '';
}
if(!isset($_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
$res = preg_replace('@(\w+)'.$depr.'([^'.$depr.'\/]+)@e', '$var[\'\\1\']="\\2";', implode($depr,$paths));
$_GET = array_merge($var,$_GET);
}
}
// 获取分组 模块和操作名称
if (C('APP_GROUP_LIST')) {
define('GROUP_NAME', self::getGroup(C('VAR_GROUP')));
}
define('MODULE_NAME',self::getModule(C('VAR_MODULE')));
define('ACTION_NAME',self::getAction(C('VAR_ACTION')));
// URL常量
define('__SELF__',$_SERVER['REQUEST_URI']);
// 当前项目地址
define('__APP__',PHP_FILE);
// 当前模块和分组地址
$module = defined('P_MODULE_NAME')?P_MODULE_NAME:MODULE_NAME;
if(defined('GROUP_NAME')) {
$group = C('URL_CASE_INSENSITIVE') ?strtolower(GROUP_NAME):GROUP_NAME;
define('__GROUP__', GROUP_NAME == C('DEFAULT_GROUP') ?__APP__ : __APP__.'/'.$group);
define('__URL__', __GROUP__.$depr.$module);
}else{
define('__URL__',__APP__.'/'.$module);
}
// 当前操作地址
define('__ACTION__',__URL__.$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
define('P_MODULE_NAME',strtolower($module));
// 智能识别方式 index.php/user_type/index/ 识别到 UserTypeAction 模块
$module = ucfirst(parse_name(P_MODULE_NAME,1));
}
return $module;
}
/**
+----------------------------------------------------------
* 获得实际的操作名称
+----------------------------------------------------------
* @access private
+----------------------------------------------------------
* @return string
+----------------------------------------------------------
*/
static private function getAction($var) {
$action = !empty($_POST[$var]) ?
$_POST[$var] :
(!empty($_GET[$var])?$_GET[$var]:C('DEFAULT_ACTION'));
unset($_POST[$var],$_GET[$var]);
define('P_ACTION_NAME',$action);
return C('URL_CASE_INSENSITIVE')?strtolower($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[$var]);
return ucfirst(strtolower($group));
}
}
|
