PHP 自动加载的简单实现(推荐)
基于psr的规范,使用命名空间和spl_autoload_register()来实现自动加载
文件结构:
|--Api
|--Account.php
|--User.php
|--Service
|--Login.php
|--User.php
|--Application.php
Application.php
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<?php use Api\User; use Service\User as User2; class Application{ public static function main(){ self::registe(); new User(); new User2(); } public static function registe(){ spl_autoload_register( "Application::loadClass" ); } public static function loadClass( $class ){ $class = str_replace ( '\\' , '/' , $class ); $class = "./" . $class . ".php" ; require_once $class ; } } Application::main(); |
Api\User.php
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<?php namespace Api; use Service\Login; class User{ public function __construct(){ echo "User类<br/>" ; new Login(); new Account(); } } |
Api\Account.php
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<?php namespace Api; class Account{ public function __construct(){ echo "Account类<br/>" ; } } |
Service\Login.php
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<?php namespace Service; class Login{ public function __construct(){ echo "Login类<br/>" ; } } |
Service\User.php
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<?php namespace Service; class User{ public function __construct(){ echo "Service下的User类<br/>" ; } } |
转自:https://www.cnblogs.com/rxbook/p/9106536.html