优化页面传参,切换页面参数丢失后,对象为空的校验

@@ -889,6 +889,7 @@
     import loginUserInfo from '@/api/base.js'
     import {mapActions, mapGetters} from 'vuex'
     import {loginedUserInfo} from "../../api/user";
+    import jsutil from "@/common/js/util";
     export default {
         name:'Origmaster',
         data() {
@@ -1397,11 +1398,19 @@
             },
             /*获取默认值*/
             getDefaultData(){
-                this.defaultQuery.flightno = JSON.parse(this.$route.query.flightno);
-                this.defaultQuery.flightdate = JSON.parse(this.$route.query.flightdate);
-                this.defaultQuery.originstation = JSON.parse(this.$route.query.originstation);
-                this.defaultQuery.destinationstation = JSON.parse(this.$route.query.destinationstation);
-                this.defaultQuery.awba=JSON.parse(this.$route.query.awba);
+                if(
+                    jsutil.checkNull(this.$route.query)
+                    && jsutil.checkNull(this.$route.query.flightno)
+                    && jsutil.checkNull(this.$route.query.flightdate)
+                    && jsutil.checkNull(this.$route.query.originstation)
+                    && jsutil.checkNull(this.$route.query.destinationstation)
+                ) {
+                    this.defaultQuery.flightno = JSON.parse(this.$route.query.flightno);
+                    this.defaultQuery.flightdate = JSON.parse(this.$route.query.flightdate);
+                    this.defaultQuery.originstation = JSON.parse(this.$route.query.originstation);
+                    this.defaultQuery.destinationstation = JSON.parse(this.$route.query.destinationstation);
+                    this.defaultQuery.awba = JSON.parse(this.$route.query.awba);
+                }
 
             },
             /*获取默认数据列表*/