story#6071，编辑车辆页面选择服务逻辑修改

src/views/index/vehicleAdd.vue

@@ -74,8 +74,8 @@
       <img class="startImg" src="@/assets/start.png" />
       <span>车辆类型</span>
     </div>
-    <select id="mySelect"  class="mySelect"  v-model="selectedOption">
-      <option v-for="(item,index) in typeList" :key="index" :value="index">{{item}}</option>
+    <select id="mySelect"  class="mySelect"  v-model="selectedOption" multiple  :multiple-limit="isMultiple ? 2 : 1">
+      <option v-for="(item,index) in typeList" :key="index" :value="index"  :disabled="!item.disabled ? false : true">{{item}}</option>
     </select>
   </div>
   <div class="lineBot"></div>
@@ -168,8 +168,41 @@ export default {
       vehicleFrontPhoto: '',    // 车头照
       vehicleLicenseInfo: {},
       vehicleLicenseBackOcrFlag: false,   // 行驶证副页 修改时默认不需要 ocr识别
+      isMultiple: false,     // 是否支持多选
     }
   },
+  watch:{
+    typeList(newVal){
+      if(newVal == 4){
+        this.isMultiple = true
+        this.typeList[2].disabled=true
+        this.typeList[5].disabled=true
+        this.typeList[6].disabled=true
+        this.typeList[7].disabled=true
+        this.typeList[8].disabled=true
+        this.typeList[9].disabled=true
+      }else{
+        this.isMultiple = false
+        this.typeList[2].disabled=false
+        this.typeList[5].disabled=false
+        this.typeList[6].disabled=false
+        this.typeList[7].disabled=false
+        this.typeList[8].disabled=false
+        this.typeList[9].disabled=false
+      }
+      /*if (newVal == 1 || newVal == 7){
+        let arr = []
+        this.allService.forEach((item)=>{
+          if(!(item.title == '拖车服务' || item.title == '大型车救援')){
+            arr.push(item)
+          }
+        })
+        this.allService = arr
+      }else{
+        this.allService = this.oldAllService
+      }*/
+    },
+  },
   async mounted() {
     this.id=this.$route.params?.id
     const selectElement = document.getElementById('mySelect');