切出来个分支研究vant引入了 编译完的少组件

pages.json

@@ -591,7 +591,7 @@
 			"navigationBarTitleText": "WeChat",
 			"navigationBarTextStyle": "black",
 			"usingComponents": {
-				 "wuxDatePicker":"/wxcomponents/dist/date-picker/index",
+				"van-cascader":"/wxcomponents/vant/cascader/index",
 				"van-action-sheet": "/wxcomponents/vant/action-sheet/index",
 				"van-area": "/wxcomponents/vant/area/index",
 				"van-button": "/wxcomponents/vant/button/index",

subpages/demandCheck/pages/dissatisfied/demandCheck/demandCheck.vue

@@ -394,6 +394,9 @@
         <van-popup :show="visible1" round position="bottom">
             <van-cascader v-if="visible1" :default-value="value1" title="事件分类" :options="casOptions" @close="onClose1" @finish="onConfirm1" :field-names="catField" />
         </van-popup>
+        <van-popup :show="angencyVisible" round position="bottom">
+            <van-cascader :options="angencyList" v-model="fmData.gridId" :visible="angencyVisible"   @close="hidePickerAngency" @finish="onConfirmAngecy"></van-cascader>
+        </van-popup>
     </view>
 </template>