From 25981119addd8df005331bed208d41157d0af353 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sat, 21 May 2016 10:24:08 +0800
Subject: [PATCH] =?UTF-8?q?Query=E7=B1=BB=E7=9A=84view=E6=96=B9=E6=B3=95fi?=
 =?UTF-8?q?eld=E5=8F=82=E6=95=B0=E6=94=AF=E6=8C=81=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E4=B8=B2?=
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---
 library/think/db/Query.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index d481f7c5..0d09d17b 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -635,7 +635,7 @@ class Query
      * 指定JOIN查询字段
      * @access public
      * @param string|array $table 数据表
-     * @param array $field 查询字段
+     * @param string|array $field 查询字段
      * @param string|array $on JOIN条件
      * @param string $type JOIN类型
      * @return $this
@@ -650,6 +650,9 @@ class Query
         } else {
             $fields = [];
             $table  = $this->getTable($join);
+            if (is_string($field)) {
+                $field = explode(',', $field);
+            }
             foreach ($field as $key => $val) {
                 if (is_numeric($key)) {
                     $fields[]                   = $join . '.' . $val;