[Doc] update code style (#484)

docs/demos/views/address-edit.vue

@@ -3,9 +3,9 @@
     <demo-block :title="$t('basicUsage')">
       <van-address-edit
         :area-list="areaList"
-        :show-postal="true"
-        :show-set-default="true"
-        :show-search-result="true"
+        show-postal
+        show-set-default
+        show-search-result
         :search-result="searchResult"
         @save="onSave"
         @delete="onDelete"

docs/demos/views/cell.vue

@@ -36,9 +36,7 @@
         </van-cell>
         <van-cell :title="$t('cell')" icon="location" is-link />
         <van-cell :title="$t('cell')">
-          <template slot="right-icon">
-            <van-icon name="search" class="van-cell__right-icon" />
-          </template>
+          <van-icon slot="right-icon" name="search" class="van-cell__right-icon" />
         </van-cell>
       </van-cell-group>
     </demo-block>

docs/demos/views/search.vue

@@ -9,7 +9,7 @@
         <van-search
           v-model="value"
           :placeholder="$t('placeholder')"
-          :show-action="true"
+          show-action
           @search="onSearch"
           @cancel="onCancel"
         />
@@ -19,7 +19,7 @@
     <demo-block :title="$t('title3')">
       <van-search
         v-model="value"
-        :show-action="true"
+        show-action
         @search="onSearch"
       >
         <div slot="action" @click="onSearch">{{ $t('search') }}</div>

docs/demos/views/stepper.vue

@@ -9,7 +9,7 @@
     </demo-block>
 
     <demo-block :title="$t('advancedUsage')">
-      <van-stepper v-model="stepper2" min="5" max="40" step="2" default-value="9" />
+      <van-stepper v-model="stepper2" :min="5" :max="40" :step="2" :default-value="9" />
     </demo-block>
   </demo-section>
 </template>