33 lines
446 B
PHP
33 lines
446 B
PHP
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<?php
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namespace App\Traits;
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/**
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* Trait StaticInstance
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*
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* @package App\Traits
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*/
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trait StaticInstance
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{
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private static $instance;
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/**
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* 获取单例
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*
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* @return static
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*/
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static public function getInstance()
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{
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if (!(self::$instance instanceof static)) {
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self::$instance = new static();
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}
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return self::$instance;
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}
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private function __clone()
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{
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}
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}
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