主要流程

 

1 \public\index.php

require __DIR__ . '/../thinkphp/start.php';

2 \thinkphp\start.php

require __DIR__ . '/base.php';// 执行应用并响应Container::get('app', [defined('APP_PATH') ? APP_PATH : ''])    ->run()    ->send();

　　2.1 \thinkphp\base.php

require __DIR__ . '/library/think/Loader.php';// 注册自动加载Loader::register();

// 注册核心类到容器Container::getInstance()->bind([    'app'                   => App::class, //App::class ≈ string(9) "think\App"//...    'view'                  => View::class,//...]);

3 \thinkphp\library\think\App.php

public function run() {

// 初始化应用 $this->initialize(); //主要加载配置，助手函数 // 执行调度 $data = $dispatch->run(); //$dispatch = object(think\route\dispatch\Url) //... $response = Response::create(); //\thinkphp\library\think\Response.php //... return $response;

　　3.1 thinkphp\library\think\route\dispatch\Url.php

public function run(){    // 解析默认的URL规则    $url    = str_replace($this->param['depr'], '|', $this->dispatch);    $result = $this->parseUrl($url);    return (new Module($result))->run();}

　　　　　　3.1.1 thinkphp\library\think\route\dispatch\Module.php

public function run(){// 实例化控制器    $instance = $this->app->controller( //thinkphp\library\think\App.php//...　　$call = [$instance, $action]; //$instance = object(app\user\controller\Home)//...　　return Container::getInstance()->invokeMethod($call, $vars);

　　　　3.2 \thinkphp\library\think\Response.php

public static function create($data = '', $type = '', $code = 200, array $header = [], $options = [])    {　　　　　//... if (class_exists($class)) {            return new $class($data, $code, $header, $options);        } else {            return new static($data, $code, $header, $options);        }    }

　　4

//发送数据到客户端public function send()    {
   //... echo $data;

 

控制器中 $this->fetch()

thinkphp\library\think\Controller.php

public function __construct()    {        $this->request = Container::get('request');        $this->app     = Container::get('app');        $this->view    = Container::get('view')->init(            $this->app['config']->pull('template'),            $this->app['config']->get('view_replace_str')        );

protected function fetch($template = '', $vars = [], $replace = [], $config = [])    {        return $this->view->fetch($template, $vars, $replace, $config);    }

thinkphp\library\think\View.php

public function init($engine = [], $replace = [])    {        // 初始化模板引擎        $this->engine($engine);

public function engine($options = []){
    　　$type = !empty($options['type']) ? $options['type'] : 'Think';　　$class = false !== strpos($type, '\\') ? $type : '\\think\\view\\driver\\' . ucfirst($type); 　　$this->engine = new $class($options); //$this->engine = thinkphp\library\think\view\driver\Think.php 　　return $this; }