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如何实现一个php框架系列文章【4】url路由管理,
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如何实现一个php框架系列文章【4】url路由管理,

Jun 13, 2016 am 08:46 AM
php url how accomplish article frame manage series routing

如何实现一个php框架系列文章【4】url路由管理,

直接通过url参数访问业务模块($app)中控制器($ctl)里的函数($act)

 

我们支持3种路由模式

    普通模式  

        _a=$app,     _u=$ctl.$act        

        最简单的方式,专注实现业务$act函数,不需要再写额外代码

        为什么参数名前面要加下划线就不解释了

          

 

    easy模式

        _easy=$app.$tpl.$ctl.$act

        _easy=$app.$ctl.$act

        在web开发中,通常我们在$act中输出一个前端页面,

        easy模式下,如果未实现$act处理函数,会自动寻找并显示对应的前端模板文件。

        对于简单的展示页面适合使用这种路由模式

        

        

   url重写模式(需要nginx或apache配置)         

        apache: ^rewrite[\.\/](.*)$ /index.php?_rewrite=$1  [R,QSA]

        nginx:  rewrite ^/rewrite[\.\/](.*)$ /index.php?_rewrite=$1 last;

 

        rewrite.{$app}.{$ctl}.{$act}.{$params}.html

        或更加优雅的目录式访问方式

        rewrite/{$app}/{$ctl}/{$act}/{$params}.html

 

        其中$params为选填参数部分.格式为urlencode后的参数列表    

        如果想传递sp_uid=1&d=1.2&p=sb, 那么$params = sp_uid%3D1%26d%3D1.2%26p%3Ds%2Fb

        或sp_uid/1/d/1.2/p/sb 

       

         在某些要求url中不能带?&特殊字符的场景下可以使用这种模式

        1. 为了能通过qq oauth2登陆验证,需要配置重写规则

            rewrite.thirdlogin.index.qqcallback.sp_uid%3D1.php

        2. 资源静态化

            rewrite.upload.index.out.uidm%3D310ef4b.png

        3. 支付回调

            rewrite.pay.weixin.native2_notify.php

        4. 微信开放平台授权回调

            rewrite/web/component/message/_app_id/xxxxxxx.php

 

 

 

 

部分实现代码

1 2 3 4 5 6 7 8 9 10 11 12 13     $a = (!empty($_REQUEST['_a']) && is_string($_REQUEST['_a'])) ? $_REQUEST['_a'] : 'web';     if (!preg_match('/^[\w\.]+$/'$a)) {         exit('invalid _app name! ' . htmlspecialchars($a));     }        $GLOBALS['_UCT']['APP'] = !empty($a) ? strtolower($a) : 'web';              $u = (!empty($_REQUEST['_u']) && is_string($_REQUEST['_u'])) ? $_REQUEST['_u'] : 'index.index';     if (!preg_match('/^[\w\.]+$/'$u)) {         exit('invalid _url name! ' . htmlspecialchars($u));     }        $u                      explode('.'$u, 2);      $GLOBALS['_UCT']['CTL'] = !empty($u['0']) ? strtolower($u['0']) : 'index';     $GLOBALS['_UCT']['ACT'] = !empty($u['1']) ? strtolower($u['1']) : 'index';

 

easy模式

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26     //easy 模式直接访问模板tpl     if (!empty($_REQUEST['_easy']) && is_string($_REQUEST['_easy'])) {         $easy explode('.'$_REQUEST['_easy']);         switch (count($easy)) {             case 4:                 $_GET['_u'] = $_REQUEST['_u'] = $easy[2] . '.' $easy[3];                 if (preg_match('/^[\w\.]+$/'$easy[1])) {                     $GLOBALS['_UCT']['TPL'] = $easy[1];                 }                 $_GET['_a'] = $_REQUEST['_a'] = $easy[0];                 break;             case 3:                 $_GET['_u'] = $_REQUEST['_u'] = $easy[1] . '.' $easy[2];                 $_GET['_a'] = $_REQUEST['_a'] = $easy[0];                 break;             case 2:                 $_GET['_u'] = $_REQUEST['_u'] = $easy[1];                 $_GET['_a'] = $_REQUEST['_a'] = $easy[0];                 break;             case 1:                 $_GET['_a'] = $_REQUEST['_a'] = $easy[0];                 break;             default:                 exit('invalid _easy param! ' . htmlspecialchars($_REQUEST['_easy']));         }     }

 

rewrite模式

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51     //url重写模式     if (!empty($_REQUEST['_rewrite']) && is_string($_REQUEST['_rewrite'])) {         //1.支持apache 重写模式下?后的参数缺失的情况          if(stripos($_SERVER['SERVER_SOFTWARE'], 'nginx') === false) {             $_REQUEST['_rewrite'] = urldecode(substr($_SERVER['QUERY_STRING'], <code class="php functions">strlen('_rewrite=')));         }         //2. 丢弃_rewrite中的后缀名         $rewrite substr($_REQUEST['_rewrite'], 0, strrpos($_REQUEST['_rewrite'], '.'));           //3. 支持/作为分隔符         $sp '.';         for($i = 0; $i <code class="php functions">strlen($rewrite); $i++) {             if(in_array($rewrite[$i], array('.''/'))) {                 $sp $rewrite[$i];                 break;             }         }         $rewrite explode($sp$rewrite, 4);         //最后1段是必填后缀名         switch(count($rewrite)) {             case 3:             case 4: {                 $_GET['_a'] = $_REQUEST['_a'] = $rewrite[0];                 $_GET['_u'] = $_REQUEST['_u'] = $rewrite[1].'.'.$rewrite[2];                 if(!empty($rewrite[3])) {                     if(strpos($rewrite[3], '/')) {                         $params explode('/'$rewrite[3]);                         for($i=0; $i+1<code class="php functions">count($params); $i+=2) {                             $_REQUEST[urldecode($params[$i])] = urldecode($params[$i+1]);                         }                        }                        else {                         foreach(explode('&'$rewrite[3]) as $p) {                             list($k$v) = explode('='$p, 2);                               $_REQUEST[urldecode($k)] = urldecode($v);                         }                        }                    }                    break;             }                case 2:                 $_GET['_a'] = $_REQUEST['_a'] = $rewrite[0];                 $_GET['_u'] = $_REQUEST['_u'] = $rewrite[1];                 break;             case 1:                  $_GET['_a'] = $_REQUEST['_a'] = $rewrite[0];                 break;             default:                 break;         }          }

 

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