From fd6aaa42f9cb52424e3061941df42f39e35cafb7 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Fri, 18 Dec 2015 22:35:04 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=20traits\think\instance=20?=
 =?UTF-8?q?=E7=94=A8=E4=BA=8E=E5=AE=9E=E4=BE=8B=E5=8C=96=E5=92=8C=E9=9D=99?=
 =?UTF-8?q?=E6=80=81=E8=B0=83=E7=94=A8?=
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---
 library/traits/think/instance.php | 40 +++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 library/traits/think/instance.php

diff --git a/library/traits/think/instance.php b/library/traits/think/instance.php
new file mode 100644
index 00000000..a32fb462
--- /dev/null
+++ b/library/traits/think/instance.php
@@ -0,0 +1,40 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace traits\think;
+
+trait Instance
+{
+    protected static $instance = null;
+
+    // 实例化（单例）
+    public static function instance($options = [])
+    {
+        if (is_null(self::$instance)) {
+            self::$instance = new self($options);
+        }
+        return self::$instance;
+    }
+
+    // 静态调用
+    public static function __callStatic($method, $params)
+    {
+        if (is_null(self::$instance)) {
+            self::$instance = new self();
+        }
+        $call = substr($method, 1);
+        if (0 === strpos($method, '_') && is_callable([self::$instance, $call])) {
+            return call_user_func_array([self::$instance, $call], $params);
+        } else {
+            throw new \think\Exception("not exists method:" . $method);
+        }
+    }
+}