订单渠道，路线，城市 根据国家相互关联https://zentao.test.jdshangmen.com/task-view-3301.html

src/views/ecw/order/edit.vue

@@ -896,13 +896,20 @@ export default {
         }
     },
     // 目的地
-    'form.objectiveId'(objectiveId, oldObjectiveId){
-        this.getOpenedRouterList()
-        // 修改目的地后需要重新选择路线
-        if(oldObjectiveId && oldObjectiveId != objectiveId && !this.initing){
-            console.log('修改目的地，重置lineId', oldObjectiveId, objectiveId)
+    async 'form.objectiveId'(objectiveId, oldObjectiveId){
+        // 重新获取路线
+        await this.getOpenedRouterList()
+        // 如果已选择的路线不在可用路线里则重置
+        if(this.form.lineId && !this.routerList.find(item => item.id == this.form.lineId)){
             this.$set(this.form, 'lineId', null)
         }
+
+        // 重新获取渠道
+        await this.getChannelList()
+        // 如果已选择的渠道不在可用渠道里则重置
+        if(this.form.channelId && !this.channelList.find(item => item.channelId == this.form.channelId)){
+            this.$set(this.form, 'channelId', null)
+        }
     },
     'form.transportId'(transportId, oldTransportId){
         // 空运
@@ -941,11 +948,19 @@ export default {
         if(this.form.lineId) this.getOfferData()
         // 选择渠道后需要筛选目的城市和线路
         // 有点卡，改异步
-        this.$nextTick(() => {
+        this.$nextTick(async () => {
           // 更新目的城市备选
-          this.getTradeCity()
+          await this.getTradeCity()
+          // 如果已选择城市，在切换后不可用则重置
+          if(this.form.objectiveId && !this.importList.find(item => item.id == this.form.objectiveId)){
+              this.$set(this.form, 'objectiveId', null)
+          }
           // 更新线路备选
-          this.getOpenedRouterList()
+          await this.getOpenedRouterList()
+          // 如果已选择路线且切换后原路线不可用则重置
+          if(this.form.lineId && !this.routerList.find(item => item.id == this.form.lineId)){
+              this.$set(this.form, 'lineId', null)
+          }
         })
     },
     'form.consigneeCountryCode'(){
@@ -1093,7 +1108,7 @@ export default {
     })
 
     this.productAttrList = (await getProductAttrList()).data
-    this.channelList = (await getChannelList()).data
+    await this.getChannelList()
     await this.getTradeCity()
     this.currencyList = (await getCurrencyList()).data
     this.unitList = (await getUnitList()).data
@@ -1125,6 +1140,12 @@ export default {
       }
       this.tradeCityList = (await getTradeCityList(query)).data
     },
+    async getChannelList(){
+      let query = {
+        cityId: this.form.objectiveId
+      }
+      this.channelList = (await getChannelList(query)).data
+    },
     onTableMounted(e){
         // console.warn('onTableMounted', e)
     },