自动保存entity 名称

lib/json_generator.dart

@@ -35,8 +35,10 @@ void main() async {
   });
 
   InputElement entityNameEle = querySelector("#out_entity_name");
+  entityNameEle.value = dataHelper.loadEntityName();
   entityNameEle.onInput.listen((event) {
     entityName = entityNameEle.value;
+    dataHelper.saveEntityName(entityName);
     refreshData();
   });
 

lib/storage.dart

@@ -1,5 +1,7 @@
 import 'dart:html';
 
+const _entityKey = "entityKey";
+
 class CookieHelper {
   String loadJsonString() {
     var storage = window.localStorage;
@@ -12,4 +14,15 @@ class CookieHelper {
   void saveJsonString(String jsonString) {
     window.localStorage.addAll({"json": jsonString});
   }
+
+  void saveEntityName(String entityName) {
+    window.localStorage.addAll({_entityKey: entityName});
+  }
+
+  String loadEntityName() {
+    if (!window.localStorage.containsKey(_entityKey)) {
+      return "";
+    }
+    return window.localStorage[_entityKey];
+  }
 }