From 155f56eed8e83cde1312d3af00eb3df2dc26a514 Mon Sep 17 00:00:00 2001
From: sanshi <ll_nh@163.com>
Date: Wed, 24 May 2017 10:23:42 +0800
Subject: [PATCH 1/3] =?UTF-8?q?vuex=20=E6=94=AF=E6=8C=81=E5=BB=B6=E8=BF=9F?=
 =?UTF-8?q?=E7=94=9F=E6=88=90store?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

场景：
组件树：(R为根组件；C1为R的子组件；C11、C12为C1的子组件， C11，C12下面还有很多下层组件)
R
|___C1
　　|____C11
　　|____C12
|___C1
　　|____C11
　　|____C12
|___C1
　　|____C11
　　|____C12

C1的每个实例的数据显示是不一样的， 如果使用props传递数据，将会导致所有组件的实例要知道自己的index，不然不知道去修改哪个state。如果vuex支持延时创建store，那么在C1 上面延时生成store，下层组件使用$store的时候，不需要关心当前是哪个store的。
---
 src/mixin.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mixin.js b/src/mixin.js
index 8c6c14d39..8239e2c01 100644
--- a/src/mixin.js
+++ b/src/mixin.js
@@ -24,6 +24,9 @@ export default function (Vue) {
     const options = this.$options
     // store injection
     if (options.store) {
+      if (typeof options.store === 'function') {
+        options.store = options.store();
+      }
       this.$store = options.store
     } else if (options.parent && options.parent.$store) {
       this.$store = options.parent.$store

From 29b6c77ec016ad3ffae656bcf65689c28067cb7b Mon Sep 17 00:00:00 2001
From: sanshi <ll_nh@163.com>
Date: Wed, 24 May 2017 10:29:08 +0800
Subject: [PATCH 2/3] Update mixin.js

---
 src/mixin.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mixin.js b/src/mixin.js
index 8239e2c01..0a01a1336 100644
--- a/src/mixin.js
+++ b/src/mixin.js
@@ -25,7 +25,7 @@ export default function (Vue) {
     // store injection
     if (options.store) {
       if (typeof options.store === 'function') {
-        options.store = options.store();
+        options.store = options.store()
       }
       this.$store = options.store
     } else if (options.parent && options.parent.$store) {

From eab70025654ac3580b10869e5c28156cdfaded1e Mon Sep 17 00:00:00 2001
From: sanshi <ll_nh@163.com>
Date: Fri, 26 May 2017 09:24:01 +0800
Subject: [PATCH 3/3] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=86=99=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

优化写法
---
 src/mixin.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/mixin.js b/src/mixin.js
index 0a01a1336..3d5c5fb49 100644
--- a/src/mixin.js
+++ b/src/mixin.js
@@ -24,10 +24,9 @@ export default function (Vue) {
     const options = this.$options
     // store injection
     if (options.store) {
-      if (typeof options.store === 'function') {
-        options.store = options.store()
-      }
-      this.$store = options.store
+      this.$store = typeof options.store === 'function'
+        ? options.store()
+        : options.store
     } else if (options.parent && options.parent.$store) {
       this.$store = options.parent.$store
     }