add config

lib/module/config/config_viewmodel.dart

@@ -0,0 +1,46 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:qinglong_app/base/base_viewmodel.dart';
+import 'package:qinglong_app/base/http/api.dart';
+import 'package:qinglong_app/base/http/http.dart';
+import 'package:qinglong_app/module/config/config_bean.dart';
+
+var configProvider = ChangeNotifierProvider((ref) => ConfigViewModel());
+
+class ConfigViewModel extends BaseViewModel {
+  List<ConfigBean> list = [];
+
+  String content = "";
+  String title = "";
+
+  Future<void> loadData([isLoading = true]) async {
+    if (isLoading) {
+      loading(notify: true);
+    }
+
+    HttpResponse<List<ConfigBean>> result = await Api.files();
+
+    if (result.success && result.bean != null) {
+      list.clear();
+      list.addAll(result.bean!);
+      title = list[0].value!;
+      success();
+      loadContent(list[0].value!);
+    } else {
+      list.clear();
+      failed(result.message, notify: true);
+    }
+  }
+
+  Future<void> loadContent(String name) async {
+    title = name;
+    notifyListeners();
+    HttpResponse<String> result = await Api.content(name);
+
+    if (result.success && result.bean != null) {
+      content = result.bean!;
+      success();
+    } else {
+      failToast(result.message, notify: false);
+    }
+  }
+}