[*]Frpc manager(unfinished)

lib/dio/frpc/download.dart

@@ -20,10 +20,10 @@ class FrpcDownloadDio {
     try {
       return await dio.download(
           "https://github.com/LoCyan-Team/LoCyanFrpPureApp/releases/download/v0.51.3/frp_LoCyanFrp-0.51.3_windows_amd64.zip",
-          "${FileIO().cache_path}/",
+          "${FileIO.cache_path}/frpc.zip",
           cancelToken: cancelToken,
           onReceiveProgress: progressCallback);
-    } on DioException catch (e) {
+    } on DioException {
       if (cancelToken.isCancelled)
         return true;
       else

lib/io/frpcManager.dart

@@ -0,0 +1 @@
+

lib/io/userInfoStorage.dart

@@ -0,0 +1,27 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:nyalcf/model/User.dart';
+import 'package:nyalcf/util/FileIO.dart';
+
+class UserInfoStorage {
+  static final path = FileIO.support_path;
+
+  /**
+   * 保存数据
+   */
+  static Future<void> save(User data) async {
+    final String write_data = jsonEncode(data);
+    await File("${await path}/session.json")
+        .writeAsString(write_data, encoding: utf8);
+  }
+
+  /**
+   * 读取数据
+   */
+  static Future<User> read() async {
+    final String result =
+        await File("${await path}/session.json").readAsString(encoding: utf8);
+    return User.fromJson(jsonDecode(result));
+  }
+}

lib/ui/setting/frpcmanager.dart

@@ -2,6 +2,29 @@ import 'package:flutter/material.dart';
 
 class FrpcManagerSX {
   Widget widget() {
-    return Placeholder();
+    return ListView(
+      children: [
+        Card(
+          child: Row(
+            children: [
+              Expanded(
+                child: ListTile(
+                  leading: Icon(Icons.cabin),
+                  title: Text("Frpc版本"),
+                ),
+              ),
+              Expanded(
+                  child: Container(
+                width: 50,
+                child: DropdownButton(
+                  items: [DropdownMenuItem(child: Text("Test"))],
+                  onChanged: null,
+                ),
+              ))
+            ],
+          ),
+        )
+      ],
+    );
   }
 }

lib/util/FileIO.dart

@@ -1,12 +1,24 @@
 import 'package:path_provider/path_provider.dart';
 
 class FileIO {
-  final _support_path = getApplicationSupportDirectory();
-  final _cache_path = getApplicationCacheDirectory();
+  static final _support_path = getApplicationSupportDirectory();
+  static final _cache_path = getApplicationCacheDirectory();
 
-  Future<String> get cache_path async {
+  /**
+   * 获取缓存目录
+   */
+  static Future<String> get cache_path async {
     String path = "";
     await _cache_path.then((value) => path = value.path);
     return path;
   }
+
+  /**
+   * 获取数据存储目录
+   */
+  static Future<String> get support_path async {
+    String path = "";
+    await _support_path.then((value) => path = value.path);
+    return path;
+  }
 }