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laravel5源码讲授整理
application
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the
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laravel5源码讲解整理
来源：http://yuez.me/laravel-yuan-ma-jie-du/?utm_source=tuicool&utm_medium=referral
目录
- 入口文件 index.php
- Illuminate\Foundation\Application 类
- 注入所有基础 Service Provider
入口文件 index.php
一个基于Laravel的应用，当WEB服务器接受到来自外部的请求后，会将这个这个请求解析到 应用根目录的 public/index.php 中。
Laravel源码解读-index.php (laravel_index.php)download
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13<span class="line-number">14<span class="line-number">15<span class="line-number">16<span class="line-number">17<span class="line-number">18<span class="line-number">19<span class="line-number">20<span class="line-number">21<span class="line-number">22<span class="line-number">23<span class="line-number">24<span class="line-number">25<span class="line-number">26<span class="line-number">27<span class="line-number">28<span class="line-number">29<span class="line-number">30<span class="line-number">31<span class="line-number">32<span class="line-number">33<span class="line-number">34<span class="line-number">35<span class="line-number">36<span class="line-number">37<span class="line-number">38<span class="line-number">39<span class="line-number">40<span class="line-number">41<span class="line-number">42<span class="line-number">43<span class="line-number">44<span class="line-number">45<span class="line-number">46<span class="line-number">47<span class="line-number">48<span class="line-number">49<span class="line-number">50<span class="line-number">51<span class="line-number">52<span class="line-number">53<span class="line-number">54<span class="line-number">55<span class="line-number">56<span class="line-number">57</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="o"><?<span class="nx">php<span class="line"><span class="sd">/**<span class="line"><span class="sd"> * Laravel - A PHP Framework For Web Artisans<span class="line"><span class="sd"> *<span class="line"><span class="sd"> * @package Laravel<span class="line"><span class="sd"> * @author Taylor Otwell <[email protected]><span class="line"><span class="sd"> */<span class="line"><span class="line"><span class="cm">/*<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">| Register The Auto Loader<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">|<span class="line"><span class="cm">| Composer provides a convenient, automatically generated class loader for<span class="line"><span class="cm">| our application. We just need to utilize it! We'll simply require it<span class="line"><span class="cm">| into the script here so that we don't have to worry about manual<span class="line"><span class="cm">| loading any of our classes later on. It feels nice to relax.<span class="line"><span class="cm">|<span class="line"><span class="cm">*/<span class="line"><span class="line"><span class="k">require <span class="nx">__DIR__<span class="o">.<span class="s1">'/../bootstrap/autoload.php'<span class="p">;<span class="line"><span class="line"><span class="cm">/*<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">| Turn On The Lights<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">|<span class="line"><span class="cm">| We need to illuminate PHP development, so let us turn on the lights.<span class="line"><span class="cm">| This bootstraps the framework and gets it ready for use, then it<span class="line"><span class="cm">| will load up this application so that we can run it and send<span class="line"><span class="cm">| the responses back to the browser and delight our users.<span class="line"><span class="cm">|<span class="line"><span class="cm">*/<span class="line"><span class="line"><span class="nv">$app <span class="o">= <span class="k">require_once <span class="nx">__DIR__<span class="o">.<span class="s1">'/../bootstrap/app.php'<span class="p">;<span class="line"><span class="line"><span class="cm">/*<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">| Run The Application<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">|<span class="line"><span class="cm">| Once we have the application, we can handle the incoming request<span class="line"><span class="cm">| through the kernel, and send the associated response back to<span class="line"><span class="cm">| the client's browser allowing them to enjoy the creative<span class="line"><span class="cm">| and wonderful application we have prepared for them.<span class="line"><span class="cm">|<span class="line"><span class="cm">*/<span class="line"><span class="line"><span class="nv">$kernel <span class="o">= <span class="nv">$app<span class="o">-><span class="na">make<span class="p">(<span class="nx">Illuminate\Contracts\Http\Kernel<span class="o">::<span class="na">class<span class="p">);<span class="line"><span class="line"><span class="nv">$response <span class="o">= <span class="nv">$kernel<span class="o">-><span class="na">handle<span class="p">(<span class="line"> <span class="nv">$request <span class="o">= <span class="nx">Illuminate\Http\Request<span class="o">::<span class="na">capture<span class="p">()<span class="line"><span class="p">);<span class="line"><span class="line"><span class="nv">$response<span class="o">-><span class="na">send<span class="p">();<span class="line"><span class="line"><span class="nv">$kernel<span class="o">-><span class="na">terminate<span class="p">(<span class="nv">$request<span class="p">, <span class="nv">$response<span class="p">);</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 |
第二十一行代码
<span class="line-number">1</span> 로그인 후 복사 로그인 후 복사 | <span class="line"><span class="k">require <span class="nx">__DIR__<span class="o">.<span class="s1">'/../bootstrap/autoload.php'<span class="p">;</span></span></span></span></span></span> 로그인 후 복사 |
为Laravel应用引入了由Composer提供的类加载器，这样Laravel应用便无需再手动加载任 何的类。其加载原理不是此次探究的目标，所以仅仅这样使用就好了。接下的代码，便是重 点。
Illuminate\Foundation\Application 类
该类的继承结构如下：
第三十五行代码
<span class="line-number">1</span> 로그인 후 복사 로그인 후 복사 | <span class="line"><span class="nv">$app <span class="o">= <span class="k">require_once <span class="nx">__DIR__<span class="o">.<span class="s1">'/../bootstrap/app.php'<span class="p">;</span></span></span></span></span></span></span></span> 로그인 후 복사 |
它将我的视线引入到了另外一个文件中，去看看到底发生了什么吧。
Laravel源码解读-app.php (laravel_app.php)download
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13<span class="line-number">14<span class="line-number">15<span class="line-number">16<span class="line-number">17<span class="line-number">18<span class="line-number">19<span class="line-number">20<span class="line-number">21<span class="line-number">22<span class="line-number">23<span class="line-number">24<span class="line-number">25<span class="line-number">26<span class="line-number">27<span class="line-number">28<span class="line-number">29<span class="line-number">30<span class="line-number">31<span class="line-number">32<span class="line-number">33<span class="line-number">34<span class="line-number">35<span class="line-number">36<span class="line-number">37<span class="line-number">38<span class="line-number">39<span class="line-number">40<span class="line-number">41<span class="line-number">42<span class="line-number">43<span class="line-number">44<span class="line-number">45<span class="line-number">46<span class="line-number">47<span class="line-number">48<span class="line-number">49<span class="line-number">50<span class="line-number">51<span class="line-number">52<span class="line-number">53<span class="line-number">54<span class="line-number">55</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="o"><?<span class="nx">php<span class="line"><span class="line"><span class="cm">/*<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">| Create The Application<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">|<span class="line"><span class="cm">| The first thing we will do is create a new Laravel application instance<span class="line"><span class="cm">| which serves as the "glue" for all the components of Laravel, and is<span class="line"><span class="cm">| the IoC container for the system binding all of the various parts.<span class="line"><span class="cm">|<span class="line"><span class="cm">*/<span class="line"><span class="line"><span class="nv">$app <span class="o">= <span class="k">new <span class="nx">Illuminate\Foundation\Application<span class="p">(<span class="line"> <span class="nb">realpath<span class="p">(<span class="nx">__DIR__<span class="o">.<span class="s1">'/../'<span class="p">)<span class="line"><span class="p">);<span class="line"><span class="line"><span class="cm">/*<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">| Bind Important Interfaces<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">|<span class="line"><span class="cm">| Next, we need to bind some important interfaces into the container so<span class="line"><span class="cm">| we will be able to resolve them when needed. The kernels serve the<span class="line"><span class="cm">| incoming requests to this application from both the web and CLI.<span class="line"><span class="cm">|<span class="line"><span class="cm">*/<span class="line"><span class="line"><span class="nv">$app<span class="o">-><span class="na">singleton<span class="p">(<span class="line"> <span class="nx">Illuminate\Contracts\Http\Kernel<span class="o">::<span class="na">class<span class="p">,<span class="line"> <span class="nx">App\Http\Kernel<span class="o">::<span class="na">class<span class="line"><span class="p">);<span class="line"><span class="line"><span class="nv">$app<span class="o">-><span class="na">singleton<span class="p">(<span class="line"> <span class="nx">Illuminate\Contracts\Console\Kernel<span class="o">::<span class="na">class<span class="p">,<span class="line"> <span class="nx">App\Console\Kernel<span class="o">::<span class="na">class<span class="line"><span class="p">);<span class="line"><span class="line"><span class="nv">$app<span class="o">-><span class="na">singleton<span class="p">(<span class="line"> <span class="nx">Illuminate\Contracts\Debug\ExceptionHandler<span class="o">::<span class="na">class<span class="p">,<span class="line"> <span class="nx">App\Exceptions\Handler<span class="o">::<span class="na">class<span class="line"><span class="p">);<span class="line"><span class="line"><span class="cm">/*<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">| Return The Application<span class="line"><span class="cm">|--------------------------------------------------------------------------<span class="line"><span class="cm">|<span class="line"><span class="cm">| This script returns the application instance. The instance is given to<span class="line"><span class="cm">| the calling script so we can separate the building of the instances<span class="line"><span class="cm">| from the actual running of the application and sending responses.<span class="line"><span class="cm">|<span class="line"><span class="cm">*/<span class="line"><span class="line"><span class="k">return <span class="nv">$app<span class="p">;</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 |
看第十四行，原来$app是一个 Illuminate\Foundation\Application 对象，那么在创 建这个对象的时候又发生了什么呢？
从它的构造方法看起：
Illuminate\Foundation\Application 构造方法
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13<span class="line-number">14<span class="line-number">15<span class="line-number">16<span class="line-number">17<span class="line-number">18</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="sd">/**<span class="line"><span class="sd"> * Create a new Illuminate application instance.<span class="line"><span class="sd"> *<span class="line"><span class="sd"> * @param string|null $basePath<span class="line"><span class="sd"> * @return void<span class="line"><span class="sd"> */<span class="line"><span class="k">public <span class="k">function <span class="nf">__construct<span class="p">(<span class="nv">$basePath <span class="o">= <span class="k">null<span class="p">)<span class="line"><span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerBaseBindings<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerBaseServiceProviders<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerCoreContainerAliases<span class="p">();<span class="line"><span class="line"> <span class="k">if <span class="p">(<span class="nv">$basePath<span class="p">) <span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">setBasePath<span class="p">(<span class="nv">$basePath<span class="p">);<span class="line"> <span class="p">}<span class="line"><span class="p">}</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>로그인 후 복사 |
顺着函数调用，往下看。在这个构造函数中，首先调用了registerBaseBindings方法。
Illuminate\Foundation\Application#registerBaseBindings
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13</span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="sd">/**<span class="line"><span class="sd"> * Register the basic bindings into the container.<span class="line"><span class="sd"> *<span class="line"><span class="sd"> * @return void<span class="line"><span class="sd"> */<span class="line"><span class="k">protected <span class="k">function <span class="nf">registerBaseBindings<span class="p">()<span class="line"><span class="p">{<span class="line"> <span class="k">static<span class="o">::<span class="na">setInstance<span class="p">(<span class="nv">$this<span class="p">);<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">instance<span class="p">(<span class="s1">'app'<span class="p">, <span class="nv">$this<span class="p">);<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">instance<span class="p">(<span class="s1">'Illuminate\Container\Container'<span class="p">, <span class="nv">$this<span class="p">);<span class="line"><span class="p">}</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>로그인 후 복사 |
这段代码，是将实例对象注入到容器中。那么，这个容器是什么呢？答案还是要从这段调用 中去寻找。
static::setInstance($this) 所做的就是将 $this 赋值给自身的 instance 静态变 量。重点看 $this->instance('app', $this)。
instance 函数的作用是绑定一个已有对象到容器中，这个对象在容器中共享并且可以通 过键获取。
Illuminate\Container\Container#instance
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13<span class="line-number">14<span class="line-number">15<span class="line-number">16<span class="line-number">17<span class="line-number">18<span class="line-number">19<span class="line-number">20<span class="line-number">21<span class="line-number">22<span class="line-number">23<span class="line-number">24<span class="line-number">25<span class="line-number">26<span class="line-number">27<span class="line-number">28<span class="line-number">29</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="sd">/**<span class="line"><span class="sd"> * Register an existing instance as shared in the container.<span class="line"><span class="sd"> *<span class="line"><span class="sd"> * @param string $abstract<span class="line"><span class="sd"> * @param mixed $instance<span class="line"><span class="sd"> * @return void<span class="line"><span class="sd"> */<span class="line"><span class="k">public <span class="k">function <span class="nf">instance<span class="p">(<span class="nv">$abstract<span class="p">, <span class="nv">$instance<span class="p">)<span class="line"><span class="p">{<span class="line"> <span class="k">if <span class="p">(<span class="nb">is_array<span class="p">(<span class="nv">$abstract<span class="p">)) <span class="p">{<span class="line"> <span class="c1">// $abstract 是这样的一个数组 ['actual key' => 'alias']<span class="line"> <span class="k">list<span class="p">(<span class="nv">$abstract<span class="p">, <span class="nv">$alias<span class="p">) <span class="o">= <span class="nv">$this<span class="o">-><span class="na">extractAlias<span class="p">(<span class="nv">$abstract<span class="p">);<span class="line"><span class="line"> <span class="c1">// 实际上的行为是 $this->aliases[$alias] = $abstract;<span class="line"> <span class="nv">$this<span class="o">-><span class="na">alias<span class="p">(<span class="nv">$abstract<span class="p">, <span class="nv">$alias<span class="p">);<span class="line"> <span class="p">}<span class="line"><span class="line"> <span class="nb">unset<span class="p">(<span class="nv">$this<span class="o">-><span class="na">aliases<span class="p">[<span class="nv">$abstract<span class="p">]);<span class="line"><span class="line"> <span class="c1">// 检查是否有这个键是否已经注册到容器中<span class="line"> <span class="c1">// $bound 是一个boolean值<span class="line"> <span class="nv">$bound <span class="o">= <span class="nv">$this<span class="o">-><span class="na">bound<span class="p">(<span class="nv">$abstract<span class="p">);<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">instances<span class="p">[<span class="nv">$abstract<span class="p">] <span class="o">= <span class="nv">$instance<span class="p">;<span class="line"><span class="line"> <span class="k">if <span class="p">(<span class="nv">$bound<span class="p">) <span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">rebound<span class="p">(<span class="nv">$abstract<span class="p">);<span class="line"> <span class="p">}<span class="line"><span class="p">}</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>로그인 후 복사 |
视线重新回到Application类中，接下来调用了这个方法 $this->registerBaseServiceProviders()，
Illuminate\Foundation\Application#registerBaseServiceProviders
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13<span class="line-number">14<span class="line-number">15<span class="line-number">16<span class="line-number">17<span class="line-number">18<span class="line-number">19<span class="line-number">20<span class="line-number">21<span class="line-number">22<span class="line-number">23<span class="line-number">24<span class="line-number">25<span class="line-number">26<span class="line-number">27<span class="line-number">28<span class="line-number">29<span class="line-number">30<span class="line-number">31<span class="line-number">32<span class="line-number">33<span class="line-number">34<span class="line-number">35<span class="line-number">36<span class="line-number">37<span class="line-number">38<span class="line-number">39<span class="line-number">40<span class="line-number">41<span class="line-number">42<span class="line-number">43<span class="line-number">44<span class="line-number">45<span class="line-number">46<span class="line-number">47<span class="line-number">48<span class="line-number">49<span class="line-number">50<span class="line-number">51<span class="line-number">52<span class="line-number">53</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="sd">/**<span class="line"><span class="sd"> * Register all of the base service providers.<span class="line"><span class="sd"> *<span class="line"><span class="sd"> * @return void<span class="line"><span class="sd"> */<span class="line"><span class="k">protected <span class="k">function <span class="nf">registerBaseServiceProviders<span class="p">()<span class="line"><span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">register<span class="p">(<span class="k">new <span class="nx">EventServiceProvider<span class="p">(<span class="nv">$this<span class="p">));<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">register<span class="p">(<span class="k">new <span class="nx">RoutingServiceProvider<span class="p">(<span class="nv">$this<span class="p">));<span class="line"><span class="p">}<span class="line"><span class="line"><span class="sd">/**<span class="line"><span class="sd"> * Register a service provider with the application.<span class="line"><span class="sd"> *<span class="line"><span class="sd"> * @param \Illuminate\Support\ServiceProvider|string $provider<span class="line"><span class="sd"> * @param array $options<span class="line"><span class="sd"> * @param bool $force<span class="line"><span class="sd"> * @return \Illuminate\Support\ServiceProvider<span class="line"><span class="sd"> */<span class="line"><span class="k">public <span class="k">function <span class="nf">register<span class="p">(<span class="nv">$provider<span class="p">, <span class="nv">$options <span class="o">= <span class="p">[], <span class="nv">$force <span class="o">= <span class="k">false<span class="p">)<span class="line"><span class="p">{<span class="line"> <span class="k">if <span class="p">(<span class="nv">$registered <span class="o">= <span class="nv">$this<span class="o">-><span class="na">getProvider<span class="p">(<span class="nv">$provider<span class="p">) <span class="o">&& <span class="o">!<span class="nv">$force<span class="p">) <span class="p">{<span class="line"> <span class="k">return <span class="nv">$registered<span class="p">;<span class="line"> <span class="p">}<span class="line"><span class="line"> <span class="c1">// If the given "provider" is a string, we will resolve it, passing in the<span class="line"> <span class="c1">// application instance automatically for the developer. This is simply<span class="line"> <span class="c1">// a more convenient way of specifying your service provider classes.<span class="line"> <span class="k">if <span class="p">(<span class="nb">is_string<span class="p">(<span class="nv">$provider<span class="p">)) <span class="p">{<span class="line"> <span class="nv">$provider <span class="o">= <span class="nv">$this<span class="o">-><span class="na">resolveProviderClass<span class="p">(<span class="nv">$provider<span class="p">);<span class="line"> <span class="p">}<span class="line"><span class="line"> <span class="nv">$provider<span class="o">-><span class="na">register<span class="p">();<span class="line"><span class="line"> <span class="c1">// Once we have registered the service we will iterate through the options<span class="line"> <span class="c1">// and set each of them on the application so they will be available on<span class="line"> <span class="c1">// the actual loading of the service objects and for developer usage.<span class="line"> <span class="k">foreach <span class="p">(<span class="nv">$options <span class="k">as <span class="nv">$key <span class="o">=> <span class="nv">$value<span class="p">) <span class="p">{<span class="line"> <span class="nv">$this<span class="p">[<span class="nv">$key<span class="p">] <span class="o">= <span class="nv">$value<span class="p">;<span class="line"> <span class="p">}<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">markAsRegistered<span class="p">(<span class="nv">$provider<span class="p">);<span class="line"><span class="line"> <span class="c1">// If the application has already booted, we will call this boot method on<span class="line"> <span class="c1">// the provider class so it has an opportunity to do its boot logic and<span class="line"> <span class="c1">// will be ready for any usage by the developer's application logics.<span class="line"> <span class="k">if <span class="p">(<span class="nv">$this<span class="o">-><span class="na">booted<span class="p">) <span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">bootProvider<span class="p">(<span class="nv">$provider<span class="p">);<span class="line"> <span class="p">}<span class="line"><span class="line"> <span class="k">return <span class="nv">$provider<span class="p">;<span class="line"><span class="p">}</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>로그인 후 복사 |
其中，EventServiceProvider和RoutingServiceProvider分别是
Illuminate\Events\EventServiceProviderIlluminate\Routing\RoutingServiceProvider
这些ServiceProvider是 Illuminate\Support\ServiceProvider 的子类，它接受一个 Application 对象作为构造函数参数，存储在实例变量 $app 中。
注入所有基础 Service Provider
在 register 方法中，每个ServiceProvider被调用了自身的 register 方法。首先看 看 EventServiceProvider 中的吧。
Illuminate\Events\EventServiceProvider#register
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8</span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="k">public <span class="k">function <span class="nf">register<span class="p">()<span class="line"><span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">app<span class="o">-><span class="na">singleton<span class="p">(<span class="s1">'events'<span class="p">, <span class="k">function <span class="p">(<span class="nv">$app<span class="p">) <span class="p">{<span class="line"> <span class="k">return <span class="p">(<span class="k">new <span class="nx">Dispatcher<span class="p">(<span class="nv">$app<span class="p">))<span class="o">-><span class="na">setQueueResolver<span class="p">(<span class="k">function <span class="p">() <span class="k">use <span class="p">(<span class="nv">$app<span class="p">) <span class="p">{<span class="line"> <span class="k">return <span class="nv">$app<span class="o">-><span class="na">make<span class="p">(<span class="s1">'Illuminate\Contracts\Queue\Factory'<span class="p">);<span class="line"> <span class="p">});<span class="line"> <span class="p">});<span class="line"><span class="p">}</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>로그인 후 복사 |
上面方法体将一个 Illuminate\Events\Dispatcher 对象以键 events 绑定到了容器 中，它负责实现事件的调度。
再看看 Illuminate\Routing\RoutingServiceProvider:
Illuminate\Routing\RoutingServiceProvider#register
<span class="line-number">1<span class="line-number">2<span class="line-number">3<span class="line-number">4<span class="line-number">5<span class="line-number">6<span class="line-number">7<span class="line-number">8<span class="line-number">9<span class="line-number">10<span class="line-number">11<span class="line-number">12<span class="line-number">13<span class="line-number">14</span></span></span></span></span></span></span></span></span></span></span></span></span></span> 로그인 후 복사 | <span class="line"><span class="k">public <span class="k">function <span class="nf">register<span class="p">()<span class="line"><span class="p">{<span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerRouter<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerUrlGenerator<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerRedirector<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerPsrRequest<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerPsrResponse<span class="p">();<span class="line"><span class="line"> <span class="nv">$this<span class="o">-><span class="na">registerResponseFactory<span class="p">();<span class="line"><span class="p">}</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>로그인 후 복사 |
首页是在Laravel中接触的最多的 route 被注册，它是 Illuminate\Routing\Router 对象。
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
其他好文
http://www.cnblogs.com/wish123/p/4756669.html
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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php提交表单通过后,弹出的对话框怎样在当前页弹出php提交表单通过后,弹出的对话框怎样在当前页弹出而不是在空白页弹出？想实现这样的效果：而不是空白页弹出:------解决方案--------------------如果你的验证用PHP在后端，那么就用Ajax；仅供参考：HTML code
이 점을 이해하고 프론트엔드 70%를 따라잡는 글
Sep 06, 2022 pm 05:03 PM
Vue2의 이 포인팅 문제로 인해 동료가 버그로 인해 화살표 기능이 사용되어 해당 소품을 얻을 수 없게 되었습니다. 제가 그에게 소개했을 때 그는 그것을 몰랐고, 그래서 저는 일부러 프론트엔드 커뮤니케이션 그룹을 살펴보았습니다. 지금까지 적어도 70%의 프론트엔드 프로그래머들은 오늘 그것을 이해하지 못하고 있습니다. 모든 것이 불분명하다면 이 링크를 아직 배우지 않았다면 큰 소리로 말해주세요.
Vue2가 이를 통해 다양한 옵션의 속성에 접근할 수 있는 이유에 대해 이야기해보겠습니다.
Dec 08, 2022 pm 08:22 PM
이 글은 Vue 소스 코드를 해석하는 데 도움이 될 것이며 이를 사용하여 Vue2의 다양한 옵션에서 속성에 액세스할 수 있는 이유를 소개하는 것이 모든 사람에게 도움이 되기를 바랍니다!
