php url 调度

Jun 23, 2016 pm 02:34 PM

1, 支持非rewrite即:
http://localhost/index.php/blog/view/5456-asdf.html
也可以被正确解析。。
-----------------------------------
2,增加:绝对地址生成 只要 
rurl('myFirstRouter', array('id' => '33', 'name' => 'thename'), true);
最后多加一个true,默认为false即相对地址。
生成绝对地址如:网站根目录/fleaphp/test/blog/view/33-thename.html

修改自ZendFramework的Router_Regexp类。
花了点时间整理的,水平有限,希望有高人能完善一下。

定义一个路由跟定义DSN一样的方法:

return array( 'routers' =>array(   'myFirstRouter' => array(    'blog/view(?:/(\d+)-(.+))\.html',    array(     'id'   => '1',     'controller'  => 'default',     'action'  => 'index'    ),    array(     1 => 'id',     2 => 'name'    ),    'blog/view/%d-%s.html'   ),   'mySecondRouter' => array(    'blog(?:/(\d+)-(.+))\.html',    array(     'id'   => '1',     'controller'  => 'default',     'action'  => 'index'    ),    array(     1 => 'id',     2 => 'name'    ),    'blog/%d-%s.html'   ),   'myThirdRouter' => array(    '([a-z0-9]+)/([a-z0-9]+)',    array(),    array(     1 => 'controller',     2 => 'action'    ),    'blog/%d-%s.html'   )   ) );

复制代码 是一个二维数组,每一个值为一条路由规则。
其中第一项是正则表达式,第二项为:参数默认值(这里可以设置controller,action,及其它参数的默认值。)
第三项为:参数的对应关系,与第一项的正则表达里面匹配元素对应。
第四项用于生成链接时候使用的格式。如果没看明白,可以看ZF的Router一节。

先发改的My_Dispatcher_Regexp类的代码:

loadRouters();         if (! is_array($this->_routers)) return false;         if (!$this->_pathInfo) $this->getPathInfo();                  foreach (array_reverse($this->_routers) as $router) {          if (! is_array($router)) continue;          if ($router[0] == '' || !is_string($router[0])) continue;          $regexp = '#^' . $router[0]. '$#i';    if (! isset($router[1])) $router[1] = array();          if (! isset($router[2])) $router[2] = array();          if ($args = $this->match($regexp, $this->_pathInfo, $router[1], $router[2])) {           $this->_curRouter = $router;           $data['controller'] = $args['controller'];           $data['action'] = $args['action'];           $_GET = array_merge($_GET, $args);           break;          }         }         $this->_request = $data;     }     /**      * 载入路由数据信息      *      */     function loadRouters() {      static $routerLoaded;      if ($routerLoaded) return;      $routerLoaded = false;      $routerConfig = FLEA::getAppInf('routerConfig');         FLEA::loadAppInf($routerConfig);         $this->_routers = FLEA::getAppInf('routers');         $routerLoaded = true;     }     /**      * 根据服务器环境不同,取得RequestUri信息      *      * @return unknown      */     function getRequestUri() {      if ($this->_requestUri) return $this->_requestUri;         if (isset($_SERVER['HTTP_X_REWRITE_URL'])) { // check this first so IIS will catch             $requestUri = $_SERVER['HTTP_X_REWRITE_URL'];         } elseif (isset($_SERVER['REQUEST_URI'])) {             $requestUri = $_SERVER['REQUEST_URI'];         } elseif (isset($_SERVER['ORIG_PATH_INFO'])) { // IIS 5.0, PHP as CGI             $requestUri = $_SERVER['ORIG_PATH_INFO'];             if (!empty($_SERVER['QUERY_STRING'])) {                 $requestUri .= '?' . $_SERVER['QUERY_STRING'];             }         } else {          $requestUri = null;         }         $this->_requestUri = $requestUri;         return $requestUri;     }     function getBaseUrl() {      if ($this->_baseUrl) return $this->_baseUrl;         $filename = basename($_SERVER['SCRIPT_FILENAME']);         if (basename($_SERVER['SCRIPT_NAME']) === $filename) {             $baseUrl = $_SERVER['SCRIPT_NAME'];         } elseif (basename($_SERVER['PHP_SELF']) === $filename) {             $baseUrl = $_SERVER['PHP_SELF'];         } elseif (isset($_SERVER['ORIG_SCRIPT_NAME']) && basename($_SERVER['ORIG_SCRIPT_NAME']) === $filename) {             $baseUrl = $_SERVER['ORIG_SCRIPT_NAME']; // 1and1 shared hosting compatibility         } else {             // Backtrack up the script_filename to find the portion matching             // php_self             $path    = $_SERVER['PHP_SELF'];             $segs    = explode('/', trim($_SERVER['SCRIPT_FILENAME'], '/'));             $segs    = array_reverse($segs);             $index   = 0;             $last    = count($segs);             $baseUrl = '';             do {                 $seg     = $segs[$index];                 $baseUrl = '/' . $seg . $baseUrl;                 ++$index;             } while (($last > $index) && (false !== ($pos = strpos($path, $baseUrl))) && (0 != $pos));         }         // Does the baseUrl have anything in common with the request_uri?         $requestUri = $this->getRequestUri();         if (0 === strpos($requestUri, $baseUrl)) {             // full $baseUrl matches             $this->_baseUrl = $baseUrl;             return $this->_baseUrl;         }         if (0 === strpos($requestUri, dirname($baseUrl))) {             // directory portion of $baseUrl matches             $baseUrl = rtrim(dirname($baseUrl), '/');             $this->_baseUrl = $baseUrl;             return $this->_baseUrl;         }         if (!strpos($requestUri, basename($baseUrl))) {             // no match whatsoever; set it blank             $this->_baseUrl = '';             return $this->_baseUrl;         }         // If using mod_rewrite or ISAPI_Rewrite strip the script filename         // out of baseUrl. $pos !== 0 makes sure it is not matching a value         // from PATH_INFO or QUERY_STRING         if ((strlen($requestUri) >= strlen($baseUrl))             && ((false !== ($pos = strpos($requestUri, $baseUrl))) && ($pos !== 0)))         {             $baseUrl = substr($requestUri, 0, $pos + strlen($baseUrl));         }        $baseUrl = rtrim($baseUrl, '/');         $this->_baseUrl = $baseUrl;         return $this->_baseUrl;         }     function getPathInfo () {         $baseUrl = $this->getBaseUrl();         if (null === ($requestUri = $this->getRequestUri())) {             return null;         }         // Remove the query string from REQUEST_URI         if ($pos = strpos($requestUri, '?')) {             $requestUri = substr($requestUri, 0, $pos);         }         if ((null !== $baseUrl)             && (false === ($pathInfo = substr($requestUri, strlen($baseUrl)))))         {             // If substr() returns false then PATH_INFO is set to an empty string             $pathInfo = '';         } elseif (null === $baseUrl) {             $pathInfo = $requestUri;         }         $this->_pathInfo = $pathInfo;         return $pathInfo;     }          /**      * Matches a user submitted path with a previously defined route.      * Assigns and returns an array of defaults on a successful match.      *      * @param string Path used to match against this routing map      * @return array|false An array of assigned values or a false on a mismatch      */     function match($regex, $path, $defaults, $map)     {         $path = trim(urldecode($path), '/');         $res = preg_match($regex, $path, $values);         if ($res === 0) return false;         foreach ($values as $i => $value) {             if (!is_int($i) || $i === 0) {                 unset($values[$i]);             }         }         $values = $this->_getMappedValues($map, $values);         $defaults = $this->_getMappedValues($map, $defaults, false, true);         $return = $values + $defaults;         return $return;     }     /**      * Maps numerically indexed array values to it's associative mapped counterpart.      * Or vice versa. Uses user provided map array which consists of index => name      * parameter mapping. If map is not found, it returns original array.      *      * Method strips destination type of keys form source array. Ie. if source array is      * indexed numerically then every associative key will be stripped. Vice versa if reversed      * is set to true.      *      * @param array Indexed or associative array of values to map      * @param boolean False means translation of index to association. True means reverse.      * @param boolean Should wrong type of keys be preserved or stripped.      * @return array An array of mapped values      */     function _getMappedValues($map, $values, $reversed = false, $preserve = false)     {         if (count($map) == 0) {             return $values;         }         $return = array();         foreach ($values as $key => $value) {             if (is_int($key) && !$reversed) {                 if (array_key_exists($key, $map)) {                     $index = $map[$key];                 } elseif (false === ($index = array_search($key, $map))) {                     $index = $key;                 }                 $return[$index] = $values[$key];             } elseif ($reversed) {                 $index = (!is_int($key)) ? array_search($key, $map, true) : $key;                 if (false !== $index) {                     $return[$index] = $values[$key];                 }             } elseif ($preserve) {                 $return[$key] = $value;             }         }         return $return;     }     /**      * Assembles a URL path defined by this route      *      * @param array An array of name (or index) and value pairs used as parameters      * @return string Route path with user submitted parameters      */     function assemble($defaults, $map = array(), $reverse, $data = array())     {         if ($reverse === null) {             return '构建网址失败!路由参数错误!';            }              $data = $this->_getMappedValues($map, $data, true, false);         $data += $this->_getMappedValues($map, $defaults, true, false);         //$data += $this->_values;         ksort($data);         $return = @vsprintf($reverse, $data);         if ($return === false) {             return '构建网址失败!';           }         return $return;     }     /**      * 使用路由构建网址      */     function url($routerName, $urlOptions, $absolute) {      $this->loadRouters();      if (isset($this->_routers[$routerName])) $curRouter = $this->_routers[$routerName];      elseif (isset($this->_curRouter)) $curRouter = $this->_curRouter;   if (is_array($curRouter) && count($curRouter) == 4 && is_string($curRouter[3])) {    $defaults = $curRouter[1];    $map = $curRouter[2];    $reverse = $curRouter[3];   } else {    return '构建网址失败!路由参数错误!';   }      if (is_array($map) && is_string($reverse))       if (!$absolute) return $this->assemble($defaults, $map, $reverse, $urlOptions);       else {        if (!$this->_baseUrl) $this->getBaseUrl();        return $this->_baseUrl . '/' .$this->assemble($defaults, $map, $reverse, $urlOptions);       }     } }

复制代码 这里要说一个比较好的自定义类的命名规则及文件放置位置。
在FLEA下面建一个My的目录里面放自已的类。比如My_Dispatcher_Regexp放在:
My/Dispatcher/Regexp.php

同时为方便写一个生成网址助手:
My_Helper_Router
My/Helper/Router.php
代码如下:

url($routerName, $urlOptions, $absolute); }

复制代码 使用方法:
/* 修改默认的Dispatcher为自定义的Dispatcher类*/
FLEA::setAppInf('dispatcher','My_Dispatcher_Regexp');

/* 设置路由配置信息的文件位置*/
FLEA::setAppInf('routerConfig', './APP/config/router.php');

其它代码跟任何一个普通的例子一样。

controller里面代码如下:

复制代码

我们在view中用下面代码:

'33', 'name' => 'thename'));

复制代码 就可以看到$_GET得到正确的参数,
rurl也生成我们期望的网址:
blog/view/33-thename.html

绝对网址生成方法如下:

rurl('myFirstRouter', array('id' => '33', 'name' => 'thename'),true); //将生成如下的网址: /other/fleaphp/test/blog/view/33-thename.html 如果没有使用apache的mod_rewrite功能生成的网址如下: /fleaphp/test/index.php/blog/view/33-thename.html

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