- 注册自动加载机制 入口函数 里面干的活 我分为五部【1】…【5】
public static function register($autoload = '')
{
spl_autoload_register($autoload ?: 'think\\Loader::autoload', true, true);
$rootPath = self::getRootPath();
self::$composerPath = $rootPath . 'vendor' . DIRECTORY_SEPARATOR . 'composer' . DIRECTORY_SEPARATOR;
if (is_dir(self::$composerPath)) {
if (is_file(self::$composerPath . 'autoload_static.php')) {
require self::$composerPath . 'autoload_static.php';
$declaredClass = get_declared_classes();
$composerClass = array_pop($declaredClass);
foreach (['prefixLengthsPsr4', 'prefixDirsPsr4', 'fallbackDirsPsr4', 'prefixesPsr0', 'fallbackDirsPsr0', 'classMap', 'files'] as $attr) {
if (property_exists($composerClass, $attr)) {
self::${$attr} = $composerClass::${$attr};
}
}
} else {
self::registerComposerLoader(self::$composerPath);
}
}
self::addNamespace([
'think' => __DIR__,
'traits' => dirname(__DIR__) . DIRECTORY_SEPARATOR . 'traits',
]);
if (is_file($rootPath . 'runtime' . DIRECTORY_SEPARATOR . 'classmap.php')) {
self::addClassMap(__include_file($rootPath . 'runtime' . DIRECTORY_SEPARATOR . 'classmap.php'));
}
self::addAutoLoadDir($rootPath . 'extend');
}