依赖注入容器 DI Container

Author: corwien

core/App.php

@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * Class App
+ *
+ * @package \\${NAMESPACE}
+ */
+class App
+{
+    protected static $registries = [];
+
+    public static function bind($key, $value)
+    {
+        static::$registries[$key] = $value;
+    }
+
+    public static function get($key)
+    {
+        if(!array_key_exists($key, static::$registries))
+        {
+            throw new Exception("No {$key} is bound in the container.");
+        }
+
+        return static::$registries[$key];
+    }
+
+}

core/bootstrap.php

@@ -1,9 +1,5 @@
 <?php
 
-$app = [];
-
-// 获取配置
-$app['config'] = require ROOT . DS . 'config.php';
 require 'functions.php';
 
 /*
@@ -20,6 +16,19 @@
 // 类自动加载方法，其他的文件不会自动引入，如function.php
 require __DIR__ . '/..' . '/vendor/autoload.php';
 
-$app['database'] =   new QueryBuilder(
-    Connection::make($app['config']['database'])
+// $app = [];
+
+// 获取配置
+// $app['config'] = require ROOT . DS . 'config.php';
+
+// 这里使用依赖注入优化上边的数组方法
+App::bind('config', require ROOT . DS . 'config.php');
+
+/*
+$app['database'] =  new QueryBuilder(
+    Connection::make(App::get('config')['database'])
 );
+*/
+App::bind('database', new QueryBuilder(
+    Connection::make(App::get('config')['database'])
+));

vendor/composer/autoload_classmap.php

@@ -6,6 +6,10 @@
 $baseDir = dirname($vendorDir);
 
 return array(
+    'App' => $baseDir . '/core/App.php',
+    'ComposerAutoloaderInit83cb48187cf44a304a7a6be5e700ede3' => $vendorDir . '/composer/autoload_real.php',
+    'Composer\\Autoload\\ClassLoader' => $vendorDir . '/composer/ClassLoader.php',
+    'Composer\\Autoload\\ComposerStaticInit83cb48187cf44a304a7a6be5e700ede3' => $vendorDir . '/composer/autoload_static.php',
     'Connection' => $baseDir . '/core/database/Connection.php',
     'QueryBuilder' => $baseDir . '/core/database/QueryBuilder.php',
     'Request' => $baseDir . '/core/Request.php',

vendor/composer/autoload_static.php

@@ -7,6 +7,10 @@
 class ComposerStaticInit83cb48187cf44a304a7a6be5e700ede3
 {
     public static $classMap = array (
+        'App' => __DIR__ . '/../..' . '/core/App.php',
+        'ComposerAutoloaderInit83cb48187cf44a304a7a6be5e700ede3' => __DIR__ . '/..' . '/composer/autoload_real.php',
+        'Composer\\Autoload\\ClassLoader' => __DIR__ . '/..' . '/composer/ClassLoader.php',
+        'Composer\\Autoload\\ComposerStaticInit83cb48187cf44a304a7a6be5e700ede3' => __DIR__ . '/..' . '/composer/autoload_static.php',
         'Connection' => __DIR__ . '/../..' . '/core/database/Connection.php',
         'QueryBuilder' => __DIR__ . '/../..' . '/core/database/QueryBuilder.php',
         'Request' => __DIR__ . '/../..' . '/core/Request.php',