新增数组重复验证判断

src/components/newTravelmanager/travelLineTrip/trifficTrip.vue

@@ -44,7 +44,8 @@
             <!--增加交通计划-->
             <span v-if="!isOpenGroup" class="addTrafficPlan" @click="addTrafficPlan(trafficObj)">+</span>
             <!--减少交通计划-->
-            <span v-if="trafficObj!=null && trafficObj.SubTraffic!=null && trafficObj.SubTraffic.length>1&&!isOpenGroup" class="addTrafficPlan" @click="minusTrafficPlan(trafficObj)">-</span>
+            <span v-if="trafficObj!=null && trafficObj.SubTraffic!=null && trafficObj.SubTraffic.length>1&&!isOpenGroup"
+              class="addTrafficPlan" @click="minusTrafficPlan(trafficObj)">-</span>
           </div>
         </div>
         <div class="TC-TrauseCar">
@@ -287,26 +288,22 @@
       },
       //用车类型点击事件
       UseTypeClick(item, value) {
-        if(item.UseType==value)
-        {
-           item.UseType=0;
-        }
-        else
-        {
-           item.UseType = value;
+        if (item.UseType == value) {
+          item.UseType = 0;
+        } else {
+          item.UseType = value;
         }
       },
       //点击添加交通计划
       addTrafficPlan(item) {
-        if(item.SubTraffic==null)
-        {
-          item.SubTraffic=[];
+        if (item.SubTraffic == null) {
+          item.SubTraffic = [];
         }
         item.SubTraffic.push(this.$tripUtils.subTrafficObj());
       },
       //减去交通计划
       minusTrafficPlan(item) {
-        if (item.SubTraffic!=null && item.SubTraffic.length > 1) {
+        if (item.SubTraffic != null && item.SubTraffic.length > 1) {
           item.SubTraffic.splice(item.SubTraffic.length - 1, 1);
         }
       },
@@ -324,13 +321,13 @@
             this.DepartList1 = [];
             this.ArriveList1 = [];
             this.trafficObj.SubTraffic.forEach(item => {
-              if (item.StartCityId > 0) {
+              if (item.StartCityId > 0 && !this.CheckExists(this.DepartList1, item.StartCityId)) {
                 this.DepartList1.push({
                   ID: Number(item.StartCityId),
                   Name: item.StartCityName
                 });
               }
-              if (item.ArrivalCityId > 0) {
+              if (item.ArrivalCityId > 0 && !this.CheckExists(this.ArriveList1, item.ArrivalCityId)) {
                 this.ArriveList1.push({
                   ID: Number(item.ArrivalCityId),
                   Name: item.ArrivalCityName
@@ -340,6 +337,17 @@
           }
         }
       },
+      CheckExists(array, Id) {
+        var flag = false;
+        if (array != null && array.length > 0) {
+          array.forEach(item => {
+            if (!flag && item.ID == Id) {
+              flag = true;
+            }
+          });
+        }
+        return flag;
+      },
       //根据id获取出发城市
       getTrafficType(id) {
         var name = '';