添加Metronic（作为LFS）

frontend/static/js/common/provinceandcity.js

@@ -0,0 +1,24 @@
+function getProvince(){
+    var province = ["上海"];
+	return province;
+}
+
+function getCityByProvince(province){
+	var arr = getProvinceAndCity();
+	return arr[province];
+}
+
+function getProvinceAndCity(){
+	var arr = {"上海": ["上海"]};
+    return arr;
+}
+
+function getDistrictByCity(city){
+	var arr = getCityAndDistrict();
+	return arr[city];
+}
+
+function getCityAndDistrict(){
+	var arr = {"上海": ["黄浦区","徐汇区","长宁区","静安区","普陀区","虹口区","闸北区","杨浦区","闵行区","宝山区","青浦区","松江区","嘉定区","奉贤区","金山区","浦东新区","崇明县"]};
+    return arr;
+}