From 84a832b3ec6d6edfe56e17e62a52fc548adcd5cd Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sat, 14 Jan 2017 10:46:21 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=85=B3=E8=81=94=E5=BB=B6?=
 =?UTF-8?q?=E8=BF=9F=E9=A2=84=E8=BD=BD=E5=85=A5=EF=BC=88=E4=BB=85=E9=92=88?=
 =?UTF-8?q?=E5=AF=B9=E6=95=B0=E6=8D=AE=E9=9B=86=E5=AF=B9=E8=B1=A1=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 library/think/Collection.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/library/think/Collection.php b/library/think/Collection.php
index 41b42759..0e718616 100644
--- a/library/think/Collection.php
+++ b/library/think/Collection.php
@@ -16,6 +16,7 @@ use ArrayIterator;
 use Countable;
 use IteratorAggregate;
 use JsonSerializable;
+use think\Model;
 
 class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSerializable
 {
@@ -352,6 +353,21 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
         return json_encode($this->toArray(), $options);
     }
 
+    /**
+     * 延迟预载入关联查询
+     * @access public
+     * @param mixed $relation 关联
+     * @return $this
+     */
+    public function load($relation)
+    {
+        $item = current($this->items);
+        if ($item instanceof Model) {
+            $item->eagerlyResultSet($this->items, $relation);
+        }
+        return $this;
+    }
+
     public function __toString()
     {
         return $this->toJson();