mirror of
https://gitee.com/fastadminnet/framework.git
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324 lines
12 KiB
PHP
324 lines
12 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | TOPThink [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2011 http://topthink.com 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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// $Id$
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namespace Think;
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class Route {
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// 路由规则
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static private $rules = [
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'get' => [],
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'post' => [],
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'put' => [],
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'delete' => [],
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'all' => [],
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];
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// 路由规则映射
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static private $map = [];
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// 添加映射规则
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static public function map($url,$route){
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self::$map[$url] = $route;
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}
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// 添加某个路由规则
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static public function add($rule,$route,$type='get'){
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if(is_array($type)) {
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foreach ($type as $val){
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self::$rules[$val][$rule] = $route;
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}
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}else{
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self::$rules[$type][$rule] = $route;
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}
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}
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// 导入路由规则
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static public function import($rules){
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foreach ($rules as $type=>$rule){
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self::$rules[$type] = array_merge(self::$rules[$type],$rule);
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}
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}
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// 添加一条任意请求的路由规则
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static public function any($rule,$route){
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self::add($rule,$route,'all');
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}
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// 添加一条get请求的路由规则
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static public function get($rule,$route){
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self::add($rule,$route,'get');
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}
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// 添加一条post请求的路由规则
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static public function post($rule,$route){
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self::add($rule,$route,'post');
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}
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// 添加一条put请求的路由规则
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static public function put($rule,$route){
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self::add($rule,$route,'put');
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}
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// 添加一条delete请求的路由规则
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static public function delete($rule,$route){
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self::add($rule,$route,'delete');
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}
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// 检测URL路由
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static public function check($regx) {
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// 优先检测是否存在PATH_INFO
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if(empty($regx)) $regx = '/' ;
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// 分隔符替换 确保路由定义使用统一的分隔符
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$regx = str_replace(Config::get('pathinfo_depr'),'/',$regx);
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if(isset(self::$map[$regx])) { // URL映射
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return self::parseUrl(self::$map[$regx]);
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}
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// 路由规则检测
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$rules = self::$rules[strtolower($_SERVER['REQUEST_METHOD'])];
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if(!empty(self::$rules['all'])) {
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$rules = array_merge(self::$rules['all'],$rules);
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}
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if(!empty($rules)) {
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foreach ($rules as $rule=>$route){
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if(0===strpos($rule,'/') && preg_match($rule,$regx,$matches)) { // 正则路由
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if($route instanceof \Closure) {
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// 执行闭包并中止
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self::invokeRegx($route,$matches);
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exit;
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}else{
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return self::parseRegex($matches,$route,$regx);
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}
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}else{ // 规则路由
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$len1 = substr_count($regx,'/');
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$len2 = substr_count($rule,'/');
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if($len1>=$len2) {
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if('$' == substr($rule,-1,1)) {// 完整匹配
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if($len1 != $len2) {
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continue;
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}else{
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$rule = substr($rule,0,-1);
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}
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}
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if($var = self::match($regx,$rule)){
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if($route instanceof \Closure) {
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// 执行闭包并中止
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self::invokeRule($route,$var);
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exit;
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}else{
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return self::parseRule($rule,$route,$regx);
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}
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}
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}
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}
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}
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}
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return self::parseUrl($regx);
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}
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// 执行正则匹配下的闭包方法 支持参数调用
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static private function invokeRegx($closure,$var=[]) {
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$reflect = new \ReflectionFunction($closure);
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$params = $reflect->getParameters();
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$args = [];
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array_shift($var);
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foreach ($params as $param){
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$name = $param->getName();
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if(!empty($var)) {
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$args[] = array_shift($var);
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}elseif($param->isDefaultValueAvailable()){
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$args[] = $param->getDefaultValue();
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}
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}
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$reflect->invokeArgs($args);
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}
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// 执行规则匹配下的闭包方法 支持参数调用
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static private function invokeRule($closure,$var=[]) {
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$reflect = new \ReflectionFunction($closure);
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$params = $reflect->getParameters();
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$args = [];
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foreach ($params as $param){
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$name = $param->getName();
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if(isset($var[$name])) {
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$args[] = $var[$name];
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}elseif($param->isDefaultValueAvailable()){
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$args[] = $param->getDefaultValue();
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}
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}
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$reflect->invokeArgs($args);
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}
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// 解析模块的URL地址
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static private function parseUrl($url) {
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if('/'==$url) {
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return ;
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}
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$paths = explode('/',$url);
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$var_c = Config::get('var_controller');
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$var_a = Config::get('var_action');
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if(Config::get('require_controller') && !isset($_GET[$var_c])) {
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$_GET[$var_c] = array_shift($paths);
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}
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if(!isset($_GET[$var_a])) {
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$_GET[$var_a] = array_shift($paths);
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}
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// 解析剩余的URL参数
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$var = [];
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preg_replace('@(\w+)\/([^\/]+)@e', '$var[\'\\1\']=strip_tags(\'\\2\');', implode('/',$paths));
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$_GET = array_merge($var,$_GET);
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}
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// 解析规范的路由地址
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// 地址格式 [模块/控制器/操作?]参数1=值1&参数2=值2...
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static private function parseRoute($url) {
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$var = [];
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if(false !== strpos($url,'?')) { // [模块/控制器/操作?]参数1=值1&参数2=值2...
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$info = parse_url($url);
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$path = explode('/',$info['path']);
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parse_str($info['query'],$var);
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}elseif(strpos($url,'/')){ // [模块/控制器/操作]
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$path = explode('/',$url);
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}else{ // 参数1=值1&参数2=值2...
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parse_str($url,$var);
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}
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if(isset($path)) {
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$_GET[Config::get('var_action')] = array_pop($path);
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if(!empty($path)) {
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$_GET[Config::get('var_controller')] = array_pop($path);
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}
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}
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return $var;
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}
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// 检测URL和规则路由是否匹配
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static private function match($regx,$rule) {
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$m1 = explode('/',$regx);
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$m2 = explode('/',$rule);
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$var = [];
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foreach ($m2 as $key=>$val){
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if(0===strpos($val,':')) {// 动态变量
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if(strpos($val,'\\')) {
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$type = substr($val,-1);
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if('d'==$type && !is_numeric($m1[$key])) {
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return false;
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}
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$name = substr($val,1,-2);
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}elseif($pos = strpos($val,'^')){
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$array = explode('|',substr(strstr($val,'^'),1));
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if(in_array($m1[$key],$array)) {
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return false;
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}
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$name = substr($val,1,$pos-1);
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}else{
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$name = substr($val,1);
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}
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$var[$name] = $m1[$key];
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}elseif(0 !== strcasecmp($val,$m1[$key])){
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return false;
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}
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}
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// 成功匹配后返回URL中的动态变量数组
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return $var;
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}
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// 解析规则路由
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// '路由规则'=>'[模块/控制器/操作]?额外参数1=值1&额外参数2=值2...'
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// '路由规则'=>array('[模块/控制器/操作]','额外参数1=值1&额外参数2=值2...')
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// '路由规则'=>'外部地址'
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// '路由规则'=>array('外部地址','重定向代码')
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// 路由规则中 :开头 表示动态变量
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// 外部地址中可以用动态变量 采用 :1 :2 的方式
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// 'news/:month/:day/:id'=>array('News/read?cate=1','status=1'),
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// 'new/:id'=>array('/new.php?id=:1',301), 重定向
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static private function parseRule($rule,$route,$regx) {
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// 获取路由地址规则
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$url = is_array($route)?$route[0]:$route;
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// 获取URL地址中的参数
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$paths = explode('/',$regx);
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// 解析路由规则
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$matches = [];
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$rule = explode('/',$rule);
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foreach ($rule as $item){
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if(0===strpos($item,':')) { // 动态变量获取
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if($pos = strpos($item,'^') ) {
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$var = substr($item,1,$pos-1);
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}elseif(strpos($item,'\\')){
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$var = substr($item,1,-2);
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}else{
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$var = substr($item,1);
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}
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$matches[$var] = array_shift($paths);
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}else{ // 过滤URL中的静态变量
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array_shift($paths);
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}
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}
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if(0=== strpos($url,'/') || 0===strpos($url,'http')) { // 路由重定向跳转
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if(strpos($url,':')) { // 传递动态参数
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$values = array_values($matches);
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$url = preg_replace('/:(\d+)/e','$values[\\1-1]',$url);
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}
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header("Location: $url", true,(is_array($route) && isset($route[1]))?$route[1]:301);
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exit;
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}else{
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// 解析路由地址
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$var = self::parseRoute($url);
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// 解析路由地址里面的动态参数
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$values = array_values($matches);
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foreach ($var as $key=>$val){
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if(0===strpos($val,':')) {
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$var[$key] = $values[substr($val,1)-1];
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}
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}
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$var = array_merge($matches,$var);
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// 解析剩余的URL参数
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if($paths) {
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preg_replace('@(\w+)\/([^\/]+)@e', '$var[strtolower(\'\\1\')]=strip_tags(\'\\2\');', implode('/',$paths));
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}
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// 解析路由自动传人参数
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if(is_array($route) && isset($route[1])) {
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parse_str($route[1],$params);
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$var = array_merge($var,$params);
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}
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$_GET = array_merge($var,$_GET);
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}
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}
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// 解析正则路由
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// '路由正则'=>'[模块/控制器/操作]?参数1=值1&参数2=值2...'
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// '路由正则'=>array('[模块/控制器/操作]?参数1=值1&参数2=值2...','额外参数1=值1&额外参数2=值2...')
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// '路由正则'=>'外部地址'
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// '路由正则'=>array('外部地址','重定向代码')
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// 参数值和外部地址中可以用动态变量 采用 :1 :2 的方式
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// '/new\/(\d+)\/(\d+)/'=>array('News/read?id=:1&page=:2&cate=1','status=1'),
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// '/new\/(\d+)/'=>array('/new.php?id=:1&page=:2&status=1','301'), 重定向
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static private function parseRegex($matches,$route,$regx) {
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// 获取路由地址规则
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$url = is_array($route)?$route[0]:$route;
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$url = preg_replace('/:(\d+)/e','$matches[\\1]',$url);
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if(0=== strpos($url,'/') || 0===strpos($url,'http')) { // 路由重定向跳转
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header("Location: $url", true,(is_array($route) && isset($route[1]))?$route[1]:301);
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exit;
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}else{
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// 解析路由地址
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$var = self::parseRoute($url);
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// 解析剩余的URL参数
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$regx = substr_replace($regx,'',0,strlen($matches[0]));
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if($regx) {
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preg_replace('@(\w+)\/([^,\/]+)@e', '$var[strtolower(\'\\1\')]=strip_tags(\'\\2\');', $regx);
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}
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// 解析路由自动传人参数
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if(is_array($route) && isset($route[1])) {
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parse_str($route[1],$params);
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$var = array_merge($var,$params);
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}
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$_GET = array_merge($var,$_GET);
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}
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}
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} |