1. 程式人生 > >php url路由入門例項

php url路由入門例項


<?php  
error_reporting(0);  
date_default_timezone_set("Asia/Shanghai");  
$_DocumentPath = $_SERVER['DOCUMENT_ROOT'];  
$_RequestUri = $_SERVER['REQUEST_URI'];  
$_UrlPath = $_RequestUri;  
$_FilePath = __FILE__;  
$_AppPath = str_replace($_DocumentPath, '', $_FilePath);    //==>\router\index.php  
$_AppPathArr = explode(DIRECTORY_SEPARATOR, $_AppPath);  
for ($i = 0; $i < count($_AppPathArr); $i++) {  
       $p = $_AppPathArr[$i];  
       if ($p) {  
           $_UrlPath = preg_replace('/^\/'.$p.'\//', '/', $_UrlPath, 1);  
       }  
    }  

   $_UrlPath = preg_replace('/^\//', '', $_UrlPath, 1);  
   $_AppPathArr = explode("/", $_UrlPath);  
   $_AppPathArr_Count = count($_AppPathArr);   
   $arr_url = array(  
       'controller' => 'sharexie/test',  
       'method' => 'index',  
       'parms' => array()  
   );  

   $arr_url['controller'] = $_AppPathArr[0];  
   $arr_url['method'] = $_AppPathArr[1];  

   if ($_AppPathArr_Count > 2 and $_AppPathArr_Count % 2 != 0) {  
       die('引數錯誤');  
   } else {  
       for ($i = 2; $i < $_AppPathArr_Count; $i += 2) {  
           $arr_temp_hash = array(strtolower($_AppPathArr[$i])=>$_AppPathArr[$i + 1]);  
           $arr_url['parms'] = array_merge($arr_url['parms'], $arr_temp_hash);  
       }  
   }      
   $module_name = $arr_url['controller'];  
   $module_file = $module_name.'.class.php';  
   $method_name = $arr_url['method'];  

   if (file_exists($module_file)) {  
       include $module_file;  

       $obj_module = new $module_name();  

       if (!method_exists($obj_module, $method_name)) {  
           die("要呼叫的方法不存在");  
       } else {  
           if (is_callable(array($obj_module, $method_name))) {  
               $obj_module -> $method_name($module_name, $arr_url['parms']);                
               $obj_module -> printResult();  
           }  
       }        
   } else {  
       die("定義的模組不存在");  
   }  
?>