信号机接近区段信号机change，检索后台数据

src/views/newMap/newMapdraft/dataRelation/signaloperate/route.vue

@@ -4,7 +4,7 @@
       <el-form ref="form" :model="addModel" :rules="rules" label-width="120px" size="mini">
         <div class="definition">
           <el-form-item :label="$t('map.signalID')" prop="signalCode">
-            <el-select v-model="addModel.signalCode" clearable :filterable="true">
+            <el-select v-model="addModel.signalCode" clearable :filterable="true" @change="changeSignal">
               <el-option
                 v-for="item in signalList"
                 :key="item.code"
@@ -45,7 +45,7 @@
 <script>
 import { mapGetters } from 'vuex';
 import { setUID } from '@/jmapNew/utils/Uid';
-import { postApproachSection, putApproachSection } from '@/api/jmap/mapdraft';
+import { postApproachSection, putApproachSection, getApproachSectionList } from '@/api/jmap/mapdraft';
 import { ViewMode } from '@/scripts/ConstDic';
 import { formatName } from '@/utils/runPlan';
 
@@ -85,7 +85,6 @@ export default {
                 signalCode: '',
                 routeSectionList: []
             },
-            editShow: false,
             rules: {
                 signalCode: [
                     { required: true, message: this.$t('map.pleaseSelectSignal'), trigger: 'change' }
@@ -111,7 +110,6 @@ export default {
         routeData(val, old) {
             if (val) {
                 this.addModel = val;
-                this.editShow = true;
             }
         },
         'addModel.routeSectionList': function(val, old) {
@@ -133,6 +131,23 @@ export default {
         formatName(code) {
             return formatName(code);
         },
+        changeSignal(val) {
+            if (val && this.mapInfo && this.mapInfo.id) {
+                const params = {
+                    signalCode : val,
+                    pageSize: 10,
+                    pageNum: 1
+                };
+                getApproachSectionList(this.mapInfo.id, params).then( resp => {
+                    if (resp.data && resp.data.list && resp.data.list.length) {
+                        this.routeData = resp.data.list[0];
+                        this.isSave = false;
+                    }
+                }).catch(error=> {
+                    console.log(error);
+                });
+            }
+        },
         setSelected(selected) {
             if (selected) {
                 if (selected._type.toUpperCase() === 'Signal'.toUpperCase() && this.field.toUpperCase() === 'signalCode'.toUpperCase()) {