报价单的渠道，目的城市，线路联动

src/views/ecw/offer/edit.vue

@@ -795,7 +795,9 @@ export default {
         this.getOpenedRouterList()
     },
     // 目的地
-    'form.objectiveId'(){
+    async 'form.objectiveId'(){
+      await this.$nextTick()
+      await this.getChannelList()
       this.getOpenedRouterList()
     },
     'form.transportId'(transportId, oldTransportId){
@@ -818,20 +820,22 @@ export default {
             this.$set(this.form, 'lineId', undefined)
         }
     },
-    'form.channelId'(){
+    async 'form.channelId'(){
+        await this.getTradeCity()
         this.getOpenedRouterList()
         this.calculationPrice('form.channelId')
     },
-    'form.lineId'(lineId){
+    async 'form.lineId'(lineId){
         let router = this.routerList.find(item => item.id == lineId)
         if(router){
             this.$set(this.form, 'departureId', router.startCityId)
             this.$set(this.form, 'objectiveId', router.destCityId)
         }
 
-        this.$nextTick(() => {
-            this.calculationPrice('form.lineId')
-        })
+        await this.$nextTick()
+      await this.getChannelList()
+      await this.getTradeCity()
+      await this.calculationPrice('form.lineId')
     },
     'form.transportVO.packageTypeArr'(val){
         this.$set(this.form.transportVO, 'packageType', (val || []).join(','))
@@ -851,10 +855,10 @@ export default {
         this.getOffer()
     }
   },
-  created() {
+  async created() {
+    await this.getChannelList()
+    await this.getTradeCity()
     getProductAttrList().then(res => this.productAttrList = res.data)
-    getChannelList().then(res => this.channelList = res.data)
-    getTradeCityList().then(res => this.tradeCityList = res.data)
     getCurrencyList().then(res => this.currencyList = res.data)
     getUnitList().then(res => this.unitList = res.data)
     this.transportList = this.getDictDatas(this.DICT_TYPE.ECW_TRANSPORT_TYPE)
@@ -864,6 +868,20 @@ export default {
     }else this.addProduct()
   },
   methods: {
+    async getChannelList(){
+      let query = {
+        cityId: this.form.objectiveId,
+        lineId: this.form.lineId
+      }
+      this.channelList = (await getChannelList(query)).data || []
+    },
+    async getTradeCity(){
+      let query = {}
+      if(this.form.channelId){
+        query.channelId = this.form.channelId
+      }
+      this.tradeCityList = (await getTradeCityList(query)).data || []
+    },
     getOffer(){
         getOffer(this.$route.query.id).then(res => {
             let formData = res.data