Thinkphp routing rule usage examples and pseudo-static function implementation (apache rewriting)_PHP tutorial

Copy code The code is as follows:

//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);

/**
* @$rule string Routing rule
* @$route string New address mapped by the rule
* @$regx string Address bar pathinfo string
* @$extension stirng Pseudo-static extension name
* 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]',$url);
}else
return false;
// Parse url Format: Group/module/operation?key1=value1&key2=value2
if(strpos($url,'?')!==false){
// Group/module/operation?key1=value1&key2= value2
$arr = parse_url($url);
$paths = explode('/',$arr['path']);
parse_str($arr['query'],$queryArr) ;
}elseif(strpos($url,'/')!==false) //Group/module/operation)
$paths = explode('/',$url);
else / / key1=value1&key2=value2
parse_str($url,$queryArr);

//Get the group module operation
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;
}
}
//Merge into the GET array , convenient for global calls
$_GET = array_merge($_GET,$var);
if(isset($queryArr))
$_GET = array_merge($_GET,$queryArr);

//Match the remaining parameters
$regx = str_replace($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;
}

//Run results:
//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]

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