Posted in PHP onFebruary 24, 2014
<?php //thinkphp 路由定义规则 $route = array( 'news/:action/:year\d/:month/:day'=>'news/read?year=:2&month=:3&day=:4', 'news/:action^delete|update|insert/:year\d/:month/:day'=>array( 'news/read?extra=:2&status=1','year=:2&month=:3&day=:4'), ); $url = 'http://www.test.com/index.php/news/read/2012/2/21/extraparam/test.html'; //后缀名 $extension = 'html'; //可知: $_SERVER['PATH_INFO'] = 'news/read/2012/2/21/extraparam/test.html'; $regx = 'news/read/2012/2/21/extraparam/test.html'; //循环匹配路由规则 foreach($route as $key=>$value){ //如果匹配成功,则不继续匹配 if(parseUrlRule($key,$value,$regx,$extension)) break; } //运行结果: 打印$_GET //Array // ( // [actionName] => read // [moduleName] => news // [extra] => 2012 // [status] => 1 // [extraparam] => test // [year] => 2012 // [month] => 2 // [day] => 21 // [finalUrl] => news/read?extra=2012&status=1&extraparam=test&year=2012&month=2&day=21 // ) // [Finished in 0.6s] //相当于访问: http://www.test.com/news/read?extra=2012&status=1&extraparam=test&year=2012&month=2&day=21 //在部署时会把index.php隐藏,开启apache的重写模块 //重写规则 : RewriteRule ^(.+)$ /index.php/$1 //开启后,apache会自动把 http:/www.test.com/news/read/2012/2/21/extraparam/test.html转换为 http:/www.test.com/index.php/news/read/2012/2/21/extraparam/test.html /** * @$rule string 路由规则 * @$route string 规则映射的新地址 * @$regx string 地址栏pathinfo字符串 * @$extension stirng 伪静态拓展名 * return bool */ function parseUrlRule($rule,$route,$regx,$extension=null){ //去掉后缀名 !is_null($extension) && $regx = str_replace('.'.$extension,'',$regx); //把路由规则和地址,分割到数组中,然后逐项匹配 $ruleArr = explode('/',$rule); $regxArr = explode('/',$regx); //$route以数组的格式传递,则取第一个 $url = is_array($route) ? $route[0] : $route; $match =true; //匹配检测 foreach($ruleArr as $key=>$value){ if(strpos($value,':')===0){ if(substr($value,-2)=='\\d' && !is_numeric($regxArr[$key])){ $match = false; break; }elseif(strpos($value,'^')){ $stripArr = explode('|',trim(strstr($value,'^'),'^')); if(in_array($regxArr[$key],$stripArr)){ $match = false; break; } } //静态项不区分大小写 }elseif(strcasecmp($value, $regxArr[$key])!==0) { $match = false; break; } } //匹配成功 if($match){ //把动态变量写入到数组$matches 中,同时去除静态匹配项 foreach($ruleArr as $key=>$value){ if(strpos($value,':')===0){ //获取动态变量,作为数组下标 if(substr($value,-2,1)=='\\') $matchKey = substr($value,1,-2); elseif($pos=strpos($value,'^')) $matchKey =substr($value,1,$pos-1); else $matchKey = substr($value,1); $matches[$matchKey] = array_shift($regxArr); }else array_shift($regxArr); //去除静态匹配项 } //获取数组中的值,目的是配合子模式进行替换 $values = array_values($matches); //正则匹配替换,正则需要用'e'作为修饰符 $url = preg_replace('/:(\d+)/e','$values[\\1-1]',$url); //解析url 格式: 分组/模块/操作?key1=value1&key2=value2 if(strpos($url,'?')!==false){ // 分组/模块/操作?key1=value1&key2=value2 $arr = parse_url($url); $paths = explode('/',$arr['path']); parse_str($arr['query'],$queryArr); }elseif(strpos($url,'/')!==false) //分组/模块/操作) $paths = explode('/',$url); else // key1=value1&key2=value2 parse_str($url,$queryArr); //获取 分组 模块 操作 if(!empty($paths)){ $var['actionName'] = array_pop($paths); $var['moduleName'] = array_pop($paths); if(!empty($paths)){ $groupList = 'Home,Admin'; $temp = array_pop($paths); if(in_array($temp,explode(',',$groupList))) $var['groupName'] = $temp; } } //合并的到GET数组中,方便全局调用 $_GET = array_merge($_GET,$var); //合并参数 if(isset($queryArr)) $_GET = array_merge($_GET,$queryArr); //匹配url中剩余的参数 preg_replace('/(\w+)\/([^,\/]+)/e','$tempArr[\'\\1\']=\'\\2\'',implode('/',$regxArr)); if(!empty($tempArr)) $_GET = array_merge($_GET,$tempArr); //route是数组的话 if(is_array($route)){ $route[1]=preg_replace('/:(\d+)/e','$values[\\1-1]',$route[1]); parse_str($route[1],$var); $_GET = array_merge($_GET,$var); strpos($url,'?')!==false ? $der ='&' : $der='?'; //最终写入到$_GET中的参数,包括三个部分 //1.地址栏剩余参数 //2.路由地址中的参数 //3.$route是数组时的第二个参数 if(!empty($tempArr)) $var = array_merge($tempArr,$var); $url .=$der.http_build_query($var); } $_GET['finalUrl'] = $url; //保证$_REQUEST 也能访问 $_REQUEST = array_merge($_REQUEST,$_GET); //结果 print_r($_GET); return true; } return $match; } //以下是正则路由代码: $rule = '/news\/read\/(\d+)\/(\d+)\/(\d+)/'; $route ='news/read?year=:1&month=:2&day=:3'; $regx = 'news/read/2012/2/21/extraparam/test.html'; $extension = 'html'; parseUrlRuleRegx($rule,$route,$regx,$extension); /** * @$rule string 路由规则 * @$route string 规则映射的新地址 * @$regx string 地址栏pathinfo字符串 * @$extension stirng 伪静态拓展名 * return bool */ function parseUrlRuleRegx($rule,$route,$regx,$extension=null){ !is_null($extension) && $regx = str_replace('.'.$extension,'',$regx); $url = is_array($route) ? $route[0] : $route; if(preg_match($rule,$regx,$matches)){ $url = preg_replace('/:(\d+)/e','$matches[\\1]',$url); }else return false; //解析url 格式: 分组/模块/操作?key1=value1&key2=value2 if(strpos($url,'?')!==false){ // 分组/模块/操作?key1=value1&key2=value2 $arr = parse_url($url); $paths = explode('/',$arr['path']); parse_str($arr['query'],$queryArr); }elseif(strpos($url,'/')!==false) //分组/模块/操作) $paths = explode('/',$url); else // key1=value1&key2=value2 parse_str($url,$queryArr); //获取 分组 模块 操作 if(!empty($paths)){ $var['actionName'] = array_pop($paths); $var['moduleName'] = array_pop($paths); if(!empty($paths)){ $groupList = 'Home,Admin'; $temp = array_pop($paths); if(in_array($temp,explode(',',$groupList))) $var['groupName'] = $temp; } } //合并的到GET数组中,方便全局调用 $_GET = array_merge($_GET,$var); if(isset($queryArr)) $_GET = array_merge($_GET,$queryArr); //匹配剩余的参数 $regx = str_replace($matches[0],'',$regx); preg_replace('/(\w+)\/([^,\/]+)/e','$tempArr[\'\\1\']=\'\\2\'',$regx); if(!empty($tempArr)){ $_GET = array_merge($_GET,$tempArr); strpos($url,'?')!==false ? $der='&':$der='?'; $url .=$der.http_build_query($tempArr); } if(is_array($route)){ $route[1] = preg_replace('/:(\d+)/e','$matches[\\1]',$route[1]); parse_str($route[1],$var); if(!empty($var)){ !empty($queryArr) && $var =array_merge($queryArr,$var); $_GET= array_merge($_GET,$var); } strpos($url,'?')!==false ? $der='&':$der='?'; $url .=$der.http_build_query($var); } $_GET['finalUrl'] = $url; print_r($_GET); $_REQUEST = array_merge($_GET,$_REQUEST); return true; } //运行结果: //Array // ( // [actionName] => read // [moduleName] => news // [year] => 2012 // [month] => 2 // [day] => 21 // [extraparam] => test // [finalUrl] => news/read?year=2012&month=2&day=21&extraparam=test // ) // [Finished in 0.1s]
thinkphp路由规则使用示例详解和伪静态功能实现(apache重写)
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