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265 lines
11 KiB
PHTML
265 lines
11 KiB
PHTML
5 years ago
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Think;
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/**
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* ThinkPHP内置的Dispatcher类
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* 完成URL解析、路由和调度
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*/
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class Dispatcher {
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/**
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* URL映射到控制器
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* @access public
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* @return void
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*/
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static public function dispatch() {
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$varPath = C('VAR_PATHINFO');
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$varModule = C('VAR_MODULE');
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$varController = C('VAR_CONTROLLER');
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$varAction = C('VAR_ACTION');
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$urlCase = C('URL_CASE_INSENSITIVE');
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if(isset($_GET[$varPath])) { // 判断URL里面是否有兼容模式参数
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$_SERVER['PATH_INFO'] = $_GET[$varPath];
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unset($_GET[$varPath]);
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}elseif(IS_CLI){ // CLI模式下 index.php module/controller/action/params/...
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$_SERVER['PATH_INFO'] = isset($_SERVER['argv'][1]) ? $_SERVER['argv'][1] : '';
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}
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// 开启子域名部署
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if(C('APP_SUB_DOMAIN_DEPLOY')) {
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$rules = C('APP_SUB_DOMAIN_RULES');
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if(isset($rules[$_SERVER['HTTP_HOST']])) { // 完整域名或者IP配置
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define('APP_DOMAIN',$_SERVER['HTTP_HOST']); // 当前完整域名
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$rule = $rules[APP_DOMAIN];
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}else{
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if(strpos(C('APP_DOMAIN_SUFFIX'),'.')){ // com.cn net.cn
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$domain = array_slice(explode('.', $_SERVER['HTTP_HOST']), 0, -3);
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}else{
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$domain = array_slice(explode('.', $_SERVER['HTTP_HOST']), 0, -2);
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}
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if(!empty($domain)) {
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$subDomain = implode('.', $domain);
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define('SUB_DOMAIN',$subDomain); // 当前完整子域名
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$domain2 = array_pop($domain); // 二级域名
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if($domain) { // 存在三级域名
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$domain3 = array_pop($domain);
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}
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if(isset($rules[$subDomain])) { // 子域名
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$rule = $rules[$subDomain];
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}elseif(isset($rules['*.' . $domain2]) && !empty($domain3)){ // 泛三级域名
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$rule = $rules['*.' . $domain2];
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$panDomain = $domain3;
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}elseif(isset($rules['*']) && !empty($domain2) && 'www' != $domain2 ){ // 泛二级域名
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$rule = $rules['*'];
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$panDomain = $domain2;
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}
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}
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}
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if(!empty($rule)) {
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// 子域名部署规则 '子域名'=>array('模块名','var1=a&var2=b');
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if(is_array($rule)){
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list($rule,$vars) = $rule;
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}
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$array = explode('/',$rule);
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// 模块绑定
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define('BIND_MODULE',array_shift($array));
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if(isset($vars)) { // 传入参数
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parse_str($vars,$parms);
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if(isset($panDomain)){
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$pos = array_search('*', $parms);
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if(false !== $pos) {
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// 泛域名作为参数
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$parms[$pos] = $panDomain;
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}
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}
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$_GET = array_merge($_GET,$parms);
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}
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}
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}
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// 分析PATHINFO信息
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if(!isset($_SERVER['PATH_INFO'])) {
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$types = explode(',',C('URL_PATHINFO_FETCH'));
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foreach ($types as $type){
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if(0===strpos($type,':')) {// 支持函数判断
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$_SERVER['PATH_INFO'] = call_user_func(substr($type,1));
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break;
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}elseif(!empty($_SERVER[$type])) {
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$_SERVER['PATH_INFO'] = (0 === strpos($_SERVER[$type],$_SERVER['SCRIPT_NAME']))?
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substr($_SERVER[$type], strlen($_SERVER['SCRIPT_NAME'])) : $_SERVER[$type];
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break;
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}
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}
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}
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$depr = C('URL_PATHINFO_DEPR');
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define('MODULE_PATHINFO_DEPR', $depr);
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if(empty($_SERVER['PATH_INFO'])) {
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$_SERVER['PATH_INFO'] = '';
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define('__INFO__','');
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define('__EXT__','');
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}else{
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define('__INFO__',trim($_SERVER['PATH_INFO'],'/'));
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// URL后缀
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define('__EXT__', strtolower(pathinfo($_SERVER['PATH_INFO'],PATHINFO_EXTENSION)));
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$_SERVER['PATH_INFO'] = __INFO__;
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if(!defined('BIND_MODULE') && (!C('URL_ROUTER_ON') || !Route::check())){
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if (__INFO__ ){ // 获取模块名
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$paths = explode($depr,__INFO__,2);
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$allowList = C('MODULE_ALLOW_LIST'); // 允许的模块列表
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$module = preg_replace('/\.' . __EXT__ . '$/i', '',$paths[0]);
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if( empty($allowList) || (is_array($allowList) && in_array_case($module, $allowList))){
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$_GET[$varModule] = $module;
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$_SERVER['PATH_INFO'] = isset($paths[1])?$paths[1]:'';
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}
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}
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}
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}
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// URL常量
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define('__SELF__',strip_tags($_SERVER[C('URL_REQUEST_URI')]));
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// 获取模块名称
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define('MODULE_NAME', defined('BIND_MODULE')? BIND_MODULE : self::getModule($varModule));
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// 检测模块是否存在
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if( MODULE_NAME && (defined('BIND_MODULE') || !in_array_case(MODULE_NAME,C('MODULE_DENY_LIST')) ) && is_dir(APP_PATH.MODULE_NAME)){
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// 定义当前模块路径
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define('MODULE_PATH', APP_PATH.MODULE_NAME.'/');
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// 定义当前模块的模版缓存路径
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C('CACHE_PATH',CACHE_PATH.MODULE_NAME.'/');
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// 定义当前模块的日志目录
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C('LOG_PATH', realpath(LOG_PATH).'/'.MODULE_NAME.'/');
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// 加载模块配置文件
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if(is_file(MODULE_PATH.'Conf/config'.CONF_EXT))
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C(load_config(MODULE_PATH.'Conf/config'.CONF_EXT));
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// 加载模块别名定义
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if(is_file(MODULE_PATH.'Conf/alias.php'))
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Think::addMap(include MODULE_PATH.'Conf/alias.php');
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// 加载模块函数文件
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if(is_file(MODULE_PATH.'Common/function.php'))
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include MODULE_PATH.'Common/function.php';
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}else{
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E(L('_MODULE_NOT_EXIST_').':'.MODULE_NAME);
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}
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if(!defined('__APP__')){
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$urlMode = C('URL_MODEL');
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if($urlMode == URL_COMPAT ){// 兼容模式判断
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define('PHP_FILE',_PHP_FILE_.'?'.$varPath.'=');
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}elseif($urlMode == URL_REWRITE ) {
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$url = dirname(_PHP_FILE_);
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if($url == '/' || $url == '\\')
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$url = '';
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define('PHP_FILE',$url);
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}else {
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define('PHP_FILE',_PHP_FILE_);
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}
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// 当前应用地址
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define('__APP__',strip_tags(PHP_FILE));
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}
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// 模块URL地址
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$moduleName = defined('MODULE_ALIAS')? MODULE_ALIAS : MODULE_NAME;
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define('__MODULE__',defined('BIND_MODULE') ? __APP__ : __APP__.'/'.($urlCase ? strtolower($moduleName) : $moduleName));
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if('' != $_SERVER['PATH_INFO'] && (!C('URL_ROUTER_ON') || !Route::check()) ){ // 检测路由规则 如果没有则按默认规则调度URL
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// 检查禁止访问的URL后缀
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if(C('URL_DENY_SUFFIX') && preg_match('/\.('.trim(C('URL_DENY_SUFFIX'),'.').')$/i', $_SERVER['PATH_INFO'])){
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send_http_status(404);
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exit;
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}
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// 去除URL后缀
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$_SERVER['PATH_INFO'] = preg_replace(C('URL_HTML_SUFFIX')? '/\.('.trim(C('URL_HTML_SUFFIX'),'.').')$/i' : '/\.'.__EXT__.'$/i', '', $_SERVER['PATH_INFO']);
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$depr = C('URL_PATHINFO_DEPR');
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$paths = explode($depr,trim($_SERVER['PATH_INFO'],$depr));
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$_GET[$varController] = array_shift($paths);
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// 获取操作
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$_GET[$varAction] = array_shift($paths);
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// 解析剩余的URL参数
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$var = array();
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if(C('URL_PARAMS_BIND') && 1 == C('URL_PARAMS_BIND_TYPE')){
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// URL参数按顺序绑定变量
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$var = $paths;
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}else{
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preg_replace_callback('/(\w+)\/([^\/]+)/', function($match) use(&$var){$var[$match[1]]=strip_tags($match[2]);}, implode('/',$paths));
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}
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$_GET = array_merge($var,$_GET);
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}
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// 获取控制器和操作名
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define('CONTROLLER_NAME', self::getController($varController,$urlCase));
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define('ACTION_NAME', self::getAction($varAction,$urlCase));
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// 当前控制器的UR地址
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define('__CONTROLLER__',__MODULE__.$depr.( $urlCase ? parse_name(CONTROLLER_NAME) : CONTROLLER_NAME ) );
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// 当前操作的URL地址
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define('__ACTION__',__CONTROLLER__.$depr.ACTION_NAME);
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//保证$_REQUEST正常取值
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$_REQUEST = array_merge($_POST,$_GET);
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}
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/**
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* 获得实际的控制器名称
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*/
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static private function getController($var,$urlCase) {
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$controller = (!empty($_GET[$var])? $_GET[$var]:C('DEFAULT_CONTROLLER'));
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unset($_GET[$var]);
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if($urlCase) {
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// URL地址不区分大小写
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// 智能识别方式 user_type 识别到 UserTypeController 控制器
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$controller = parse_name($controller,1);
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}
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return strip_tags(ucfirst($controller));
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}
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/**
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* 获得实际的操作名称
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*/
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static private function getAction($var,$urlCase) {
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$action = !empty($_POST[$var]) ?
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$_POST[$var] :
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(!empty($_GET[$var])?$_GET[$var]:C('DEFAULT_ACTION'));
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unset($_POST[$var],$_GET[$var]);
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return strip_tags( $urlCase? strtolower($action) : $action );
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}
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/**
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* 获得实际的模块名称
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*/
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static private function getModule($var) {
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$module = (!empty($_GET[$var])?$_GET[$var]:C('DEFAULT_MODULE'));
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unset($_GET[$var]);
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if($maps = C('URL_MODULE_MAP')) {
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if(isset($maps[strtolower($module)])) {
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// 记录当前别名
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define('MODULE_ALIAS',strtolower($module));
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// 获取实际的模块名
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return ucfirst($maps[MODULE_ALIAS]);
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}elseif(array_search(strtolower($module),$maps)){
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// 禁止访问原始模块
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return '';
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}
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}
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return strip_tags(ucfirst($module));
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}
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}
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