摘要：
<?php class One{ private static $_one; private function __construct(){} private function __clone(){} public static function getOne(){ if(!self::$_one 阅读全文
posted @ 2021-05-17 10:13
skyhxm
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摘要：
<?php class One{ private static $_one; private function __construct(){} private function __clone(){} public static function getOne(){ if(!self::$_one 阅读全文
posted @ 2021-05-17 10:10
skyhxm
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