From 7a3fa9d6c1dd53bc511977441136819bd797e51c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=81=B0=E5=A4=A7=E7=8B=BC?= <crazys@126.com>
Date: Sun, 3 Mar 2019 16:06:17 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9Attachment=E6=A8=A1=E5=9E=8B?=
 =?UTF-8?q?=EF=BC=8C=E9=98=B2=E6=AD=A2=E5=90=8C=E5=90=8D=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=E9=87=8D=E5=A4=8D=E7=94=9F=E6=88=90=E8=AE=B0=E5=BD=95=E3=80=82?=
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---
 application/common/model/Attachment.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/application/common/model/Attachment.php b/application/common/model/Attachment.php
index 79878c6d..2149aec7 100644
--- a/application/common/model/Attachment.php
+++ b/application/common/model/Attachment.php
@@ -21,4 +21,13 @@ class Attachment extends Model
         return strtotime($value);
     }
 
+    protected static function init()
+    {
+        // 如果已经上传该资源，则不再记录
+        self::beforeInsert(function ($model) {
+            if (self::where('url', '=', $model['url'])->find()) {
+                return false;
+            }
+        });
+    }
 }