bug170 订单编辑或者复制订单，目的国、线路、目的城市联动问题

src/views/ecw/order/edit.vue

@@ -894,7 +894,8 @@ export default {
       destCityList: [],
       selectedRouter: null,
       // 发货人默认付款
-      defaultPay: false
+      defaultPay: false,
+      showDestCityList: []
     };
   },
   computed: {
@@ -1069,10 +1070,6 @@ export default {
     showDestCountryList() {
       return this.destCountryList
     },
-    showDestCityList() {
-      if (!this.form.destCountryId) return this.destCityList
-      return this.destCityList.filter(item => item.guojia === this.form.destCountryId) || []
-    },
     // 是否已起运（已起运不让修改报关方式）
     isShipment() {
       return [326, 328, 329, 330, 332, 391, 392, 426, 428, 432].indexOf(this.form.shipmentState) > -1
@@ -1314,6 +1311,7 @@ export default {
     await getGuojiaAndShiAndWarehouseList({tradeType: 1}).then(({data}) => {
       this.destCountryList = data.guojiaList
       this.destCityList = data.shiList
+      this.showDestCityList = data.shiList
     })
     this.productAttrList = (await getProductAttrList()).data
     await this.getChannelList()
@@ -2099,7 +2097,13 @@ export default {
     // 切换目的国
     handleChangeDestCountry(val) {
       console.log("handleChangeDestCountry", val)
+      // 目的城市赋值
       this.form.destCountryId = val
+      if (!val) {
+        this.showDestCityList = JSON.parse(JSON.stringify(this.destCityList))
+      } else {
+        this.showDestCityList = JSON.parse(JSON.stringify(this.destCityList.filter(item => item.guojia === val)))
+      }
       if (this.form.destCountryId) {
         this.form.objectiveId = null
         this.form.lineId = null