From 2ee49f5dcb8c951a92fc53ba7675b28c217a231e Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Tue, 20 Dec 2016 14:41:27 +0800
Subject: [PATCH] =?UTF-8?q?unique=E9=AA=8C=E8=AF=81=E8=A7=84=E5=88=99?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E6=8C=87=E5=AE=9A=E5=AE=8C=E6=95=B4=E6=A8=A1?=
 =?UTF-8?q?=E5=9E=8B=E7=B1=BB=20=E5=B9=B6=E4=B8=94=E9=BB=98=E8=AE=A4?=
 =?UTF-8?q?=E4=BC=9A=E4=BC=98=E5=85=88=E6=A3=80=E6=B5=8B=E6=A8=A1=E5=9E=8B?=
 =?UTF-8?q?=E7=B1=BB=E6=98=AF=E5=90=A6=E5=AD=98=E5=9C=A8=20=E4=B8=8D?=
 =?UTF-8?q?=E5=AD=98=E5=9C=A8=E5=88=99=E6=A3=80=E6=B5=8B=E6=95=B0=E6=8D=AE?=
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---
 library/think/Validate.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/library/think/Validate.php b/library/think/Validate.php
index 28f7c350..ff9a32ea 100644
--- a/library/think/Validate.php
+++ b/library/think/Validate.php
@@ -13,6 +13,7 @@ namespace think;
 
 use think\File;
 use think\Lang;
+use think\Loader;
 use think\Request;
 use think\Session;
 
@@ -812,7 +813,17 @@ class Validate
         if (is_string($rule)) {
             $rule = explode(',', $rule);
         }
-        $db  = Db::name($rule[0]);
+        if (false !== strpos($rule[0], '\\')) {
+            // 指定模型类
+            $db = new $rule[0];
+        } else {
+            $model = Loader::parseClass(Request::instance()->module, 'model', $rule[0]);
+            if (class_exists($model)) {
+                $db = new $model;
+            } else {
+                $db = Db::name($rule[0]);
+            }
+        }
         $key = isset($rule[1]) ? $rule[1] : $field;
 
         if (strpos($key, '^')) {