add preview

README.md

-# vue 插件—-门店选择联动
+# vue 插件—-门店分组单选组件
 <<<<<<< HEAD
 
-> A Vue.js Store select Plugin
+> A Vue.js Store Group  Plugin
+
+![预览图](http://115.159.76.241/vue-plugins/vue-gic-store-group/raw/master/preview/1.jpg)
 
 
 ## Install
 ```shell
-npm install @gic-test/vue-gic-store-linkage -S
+npm install @gic-test/vue-gic-store-group -S
 ```
 
 ## how to use
 ```
 // main.js
-import vueGicStoreLinkage from '@gic-test/vue-gic-store-linkage'
-Vue.use(vueGicStoreLinkage)
+import vueGicStoreGroup from '@gic-test/vue-gic-store-group'
+Vue.use(vueGicStoreGroup)
 
 // 使用页面
-<vue-gic-store-linkage :msg="sendChildData" ref="selectTree" @sendSelectGroupData="getSelectGroupData"></vue-gic-store-linkage>
+<vue-gic-store-group :model="storeGroupData" width="200" placeholder="请选择门店分组"  @commit-store="getStoreData"></vue-gic-store-group>
 
 
 data() {
   return {
-    // 可传参数
-    sendChildData:{},  // 向子元素传递的对象
+    // 可传参数 初始化的数据，回显的数据
+    storeGroupData:{
+      id:'',
+      label:''
+    },
+    //控件的宽度 默认为200，可不传
+    width:'200'
   }
 }
 
-
 methods: {
-   //获得子元素传递的数据
-    getSelectGroupData() {
+   //获得数据
+    getStoreData(val) {
       console.log(val)
     }
 },