初步优化项目结构

lib/widget_system/widgets/StatefulWidget/CupertinoNavigationBar/node1_base.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+/// create by 张风捷特烈 on 2020-03-26
+/// contact me by email 1981462002@qq.com
+/// 说明:
+//    {
+//      "widgetId": 62,
+//      "name": 'CupertinoNavigationBar基本用法',
+//      "priority": 1,
+//      "subtitle":
+//          "【leading】 : 左侧组件   【Widget】\n"
+//          "【middle】 : 中间组件   【Widget】\n"
+//          "【trailing】 : 尾部组件   【Widget】\n"
+//          "【backgroundColor】 : 背景色   【Color】\n"
+//          "【padding】 : 内边距   【EdgeInsetsDirectional】\n"
+//          "【border】 : 边线   【Border】",
+//    }
+class CustomCupertinoNavigationBar extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoNavigationBar(
+      leading: Icon(
+        CupertinoIcons.back,
+        size: 25,
+        color: Colors.blue,
+      ),
+      middle: Text("风雪雅舍"),
+      trailing: Image.asset(
+        "assets/images/icon_head.webp",
+        width: 25.0,
+        height: 25.0,
+      ),
+      backgroundColor: Color(0xfff1f1f1),
+      padding: EdgeInsetsDirectional.only(start: 10,end: 20),
+      border: Border.all(color: Colors.transparent),
+    );
+  }
+}