地区导航添加判断

src/views/Map3d/components/mapNavigate.vue

@@ -260,18 +260,19 @@
 					sqlWhere: "dj = 1",
 					orderByField: ''
 				}).then(res => {
-					res.data.forEach(
-						item => {
-							console.log('街道信息', item)
-							this.ALLlist.push({
-								label: item.regionname,
-								regioncode: item.regioncode,
-								dj: 1
-							})
-						}
-					)
+					if (res.data.length > 0) {
+						res.data.forEach(
+							item => {
+								console.log('街道信息', item)
+								this.ALLlist.push({
+									label: item.regionname,
+									regioncode: item.regioncode,
+									dj: 1
+								})
+							}
+						)
+					}
 				})
-
 			}
 		},
 		mounted() {