修复了一个V1中的bug

lib/generator.dart

@@ -46,14 +46,18 @@ class Generator {
     var fieldList = template.fieldList;
     fieldList.forEach((filed) {
       if (filed is MapField) {
-        DefaultTemplate template = DefaultTemplate(
+        DefaultTemplate template = DefaultTemplate(srcJson: json.encode(filed.map), className: filed.typeString);
-            srcJson: json.encode(filed.map), className: filed.typeString);
+        if (version == Version.v1) {
+          template = V1Template(srcJson: json.encode(filed.map), className: filed.typeString);
+        }
         templateList.add(template);
         refreshTemplate(template);
       } else if (filed is ListField) {
         if (filed.childIsObject) {
-          DefaultTemplate template = DefaultTemplate(
+          DefaultTemplate template = DefaultTemplate(srcJson: json.encode(filed.list[0]), className: filed.typeName);
-              srcJson: json.encode(filed.list[0]), className: filed.typeName);
+          if (version == Version.v1) {
+            template = V1Template(srcJson: json.encode(filed.list[0]), className: filed.typeName);
+          }
           templateList.add(template);
           refreshTemplate(template);
         }
@@ -63,8 +67,7 @@ class Generator {
 
   String get fileName => camelCase2UnderScoreCase(entityName);
 
-  static const String importString =
+  static const String importString = "import 'package:json_annotation/json_annotation.dart';";
-      "import 'package:json_annotation/json_annotation.dart';";
 
   String get header => """$importString 
   

lib/template.dart

@@ -108,27 +108,22 @@ class DefaultTemplate extends Template {
     if (this is ListTemplate) {
       return this;
     }
-    return ListTemplate(
+    return ListTemplate(srcJson: srcJson, className: className, delegateTemplate: this);
-        srcJson: srcJson, className: className, delegateTemplate: this);
   }
 }
 
 class ListTemplate extends DefaultTemplate {
   Template delegateTemplate;
 
-  ListTemplate(
+  ListTemplate({String srcJson, String className = "Entity", this.delegateTemplate}) : super(className: className, srcJson: srcJson);
-      {String srcJson, String className = "Entity", this.delegateTemplate})
-      : super(className: className, srcJson: srcJson);
 
   @override
   String declare() {
-    return _declareListMethod() + "\n" + delegateTemplate?.declare() ??
+    return _declareListMethod() + "\n" + delegateTemplate?.declare() ?? super.declare();
-        super.declare();
   }
 
   String _declareListMethod() {
-    var listMethod =
+    var listMethod = """List<$className> get${className}List(List<dynamic> list){
-        """List<$className> get${className}List(List<dynamic> list){
     List<$className> result = [];
     list.forEach((item){
       result.add($className.fromJson(item));
@@ -159,13 +154,11 @@ class ListTemplate extends DefaultTemplate {
   }
 
   @override
-  List<Field> get fieldList =>
+  List<Field> get fieldList => FieldHelper(json.encode(json.decode(srcJson)[0])).getFields();
-      FieldHelper(json.encode(json.decode(srcJson)[0])).getFields();
 }
 
 class V1Template extends DefaultTemplate {
-  V1Template({String srcJson, String className = "Entity"})
+  V1Template({String srcJson, String className = "Entity"}) : super(className: className, srcJson: srcJson);
-      : super(className: className, srcJson: srcJson);
 
   @override
   String interface() => "";
@@ -175,8 +168,7 @@ class V1Template extends DefaultTemplate {
     var result = StringBuffer();
     result.writeln(super.method());
     result.writeln();
-    result.write(
+    result.write("  Map<String, dynamic> toJson() => _\$${className}ToJson(this);");
-        "  Map<String, dynamic> toJson() => _\$${className}ToJson(this);");
     return result.toString();
   }
 }