PHP從零開(kāi)始打造自己的MVC框架之路由類實(shí)現(xiàn)方法分析

new \core\lib\route();

?php
namespace core\lib;
class Route
{
  public $controller; // 控制器
  public $action; // 方法(動(dòng)作)
  public function __construct()
  {
    // xxx.com/index.php/index/index
    // xxx.com/index.php/index
    /*
     * 1.隱藏index.php
     * 2.獲取URL 參數(shù)部分
     * 3.返回對(duì)應(yīng)控制器和方法
     * */
    if(isset($_SERVER['REQUEST_URI'])  $_SERVER['REQUEST_URI'] != '/'){
      // 處理成這種格式:index/index
      $path = $_SERVER['REQUEST_URI'];
      $pathArr = explode('/',trim($path,'/'));
      if(isset($pathArr[0])){
        $this->controller = $pathArr[0];
      }
      unset($pathArr[0]);
      if(isset($pathArr[1])){
        $this->action = $pathArr[1];
        unset($pathArr[1]);
      }else{
        $this->action = 'index';
      }
      // url多余部分(參數(shù)部分)轉(zhuǎn)換成 GET
      // id/1/str/2
      $count = count($pathArr) + 2;
      $i = 2;
      while($i  $count){
        if(isset($pathArr[$i + 1])){
          $_GET[$pathArr[$i]] == $pathArr[$i + 1];
        }
        $i = $i + 2;
      }
      p($_GET); // 打印GET
    }else{
      $this->controller = 'index'; // 默認(rèn)控制器
      $this->action = 'index'; // 默認(rèn)方法
    }
  }
}