From c436f079d01606d6db0f1d3d1577ffa850b5dcc7 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sun, 14 Aug 2016 14:29:43 +0800
Subject: [PATCH] =?UTF-8?q?Model=E7=B1=BB=E5=A2=9E=E5=8A=A0=E5=8F=AA?=
 =?UTF-8?q?=E8=AF=BB=E5=AD=97=E6=AE=B5=E6=94=AF=E6=8C=81?=
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---
 library/think/Model.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/library/think/Model.php b/library/think/Model.php
index 8e460ee9..714b4277 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -60,6 +60,8 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
     protected $pk;
     // 数据表字段信息 留空则自动获取
     protected $field = [];
+    // 只读字段
+    protected $readonly = [];
     // 显示属性
     protected $visible = [];
     // 隐藏属性
@@ -663,6 +665,15 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
                 }
             }
 
+            if (!empty($this->readonly)) {
+                // 只读字段不允许更新
+                foreach ($this->readonly as $key => $field) {
+                    if (isset($data[$field])) {
+                        unset($data[$field]);
+                    }
+                }
+            }
+
             if (empty($where) && !empty($this->updateWhere)) {
                 $where = $this->updateWhere;
             }