From 138dab1e9e5373fca4b41748360c936ce923fe05 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sat, 23 Apr 2016 09:03:41 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E5=86=99=E5=85=A5=E6=95=B0?=
 =?UTF-8?q?=E6=8D=AE=E7=9A=84=E5=8F=82=E6=95=B0=E7=BB=91=E5=AE=9A?=
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---
 library/think/db/Builder.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index 9872c815..905a6905 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -100,8 +100,13 @@ abstract class Builder
                     $result[$item] = 'NULL';
                 } elseif (is_scalar($val)) {
                     // 过滤非标量数据
-                    $this->query->bind($key, $val, isset($bind[$key]) ? $bind[$key] : PDO::PARAM_STR);
-                    $result[$item] = ':' . $key;
+                    if ($this->query->isBind(substr($val, 1))) {
+                        $result[$item] = $val;
+                    } else {
+                        $this->query->bind($key, $val, isset($bind[$key]) ? $bind[$key] : PDO::PARAM_STR);
+                        $result[$item] = ':' . $key;
+                    }
+
                 }
             }
         }