Table support disableExpand

examples/routers/table.vue

@@ -84,7 +84,8 @@
                     {
                         name: '张小刚',
                         age: 25,
-                        address: '北京市海淀区西二旗'
+                        address: '北京市海淀区西二旗',
+                        _disableExpand: true
                     },
                     {
                         name: '李小红',

src/components/table/cell.vue

@@ -5,7 +5,7 @@
             <Checkbox :value="checked" @on-change="toggleSelect" :disabled="disabled"></Checkbox>
         </template>
         <template v-if="renderType === 'normal'"><span v-html="row[column.key]"></span></template>
-        <template v-if="renderType === 'expand'">
+        <template v-if="renderType === 'expand' && !row._disableExpand">
             <div :class="expandCls" @click="toggleExpand">
                 <Icon type="ios-arrow-right"></Icon>
             </div>