feat: 项目框架，全局空间处理

lib/global/request/app_request.dart

@@ -0,0 +1,154 @@
+import 'package:dio/dio.dart';
+
+class AppRequest {
+
+  static const Duration defaultTimeout = Duration(seconds: 15);
+  static final AppRequest instance = AppRequest();
+  final Dio dio;
+
+  AppRequest({
+    Dio? dio,
+    String baseUrl = '',
+    Duration connectTimeout = defaultTimeout,
+    Duration sendTimeout = defaultTimeout,
+    Duration receiveTimeout = defaultTimeout,
+  }) : dio =
+           dio ??
+           Dio(
+             BaseOptions(
+               baseUrl: baseUrl,
+               connectTimeout: connectTimeout,
+               sendTimeout: sendTimeout,
+               receiveTimeout: receiveTimeout,
+               responseType: ResponseType.json,
+             ),
+           );
+
+
+
+  void setBaseUrl(String baseUrl) {
+    dio.options.baseUrl = baseUrl;
+  }
+
+  void setHeader(String key, Object? value) {
+    dio.options.headers[key] = value;
+  }
+
+  void removeHeader(String key) {
+    dio.options.headers.remove(key);
+  }
+
+  void setToken(String token, {String prefix = 'Bearer'}) {
+    final value = prefix.isEmpty ? token : '$prefix $token';
+    setHeader('Authorization', value);
+  }
+
+  void clearToken() {
+    removeHeader('Authorization');
+  }
+
+  Future<T?> get<T>(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    Options? options,
+    CancelToken? cancelToken,
+    ProgressCallback? onReceiveProgress,
+  }) {
+    return request<T>(
+      path,
+      method: 'GET',
+      queryParameters: queryParameters,
+      options: options,
+      cancelToken: cancelToken,
+      onReceiveProgress: onReceiveProgress,
+    );
+  }
+
+  Future<T?> post<T>(
+    String path, {
+    Object? data,
+    Map<String, dynamic>? queryParameters,
+    Options? options,
+    CancelToken? cancelToken,
+    ProgressCallback? onSendProgress,
+    ProgressCallback? onReceiveProgress,
+  }) {
+    return request<T>(
+      path,
+      method: 'POST',
+      data: data,
+      queryParameters: queryParameters,
+      options: options,
+      cancelToken: cancelToken,
+      onSendProgress: onSendProgress,
+      onReceiveProgress: onReceiveProgress,
+    );
+  }
+
+  Future<T?> put<T>(
+    String path, {
+    Object? data,
+    Map<String, dynamic>? queryParameters,
+    Options? options,
+    CancelToken? cancelToken,
+    ProgressCallback? onSendProgress,
+    ProgressCallback? onReceiveProgress,
+  }) {
+    return request<T>(
+      path,
+      method: 'PUT',
+      data: data,
+      queryParameters: queryParameters,
+      options: options,
+      cancelToken: cancelToken,
+      onSendProgress: onSendProgress,
+      onReceiveProgress: onReceiveProgress,
+    );
+  }
+
+  Future<T?> delete<T>(
+    String path, {
+    Object? data,
+    Map<String, dynamic>? queryParameters,
+    Options? options,
+    CancelToken? cancelToken,
+  }) {
+    return request<T>(
+      path,
+      method: 'DELETE',
+      data: data,
+      queryParameters: queryParameters,
+      options: options,
+      cancelToken: cancelToken,
+    );
+  }
+
+  Future<T?> request<T>(
+    String path, {
+    required String method,
+    Object? data,
+    Map<String, dynamic>? queryParameters,
+    Options? options,
+    CancelToken? cancelToken,
+    ProgressCallback? onSendProgress,
+    ProgressCallback? onReceiveProgress,
+  }) async {
+    final response = await dio.request<T>(
+      path,
+      data: data,
+      queryParameters: queryParameters,
+      options: _withMethod(options, method),
+      cancelToken: cancelToken,
+      onSendProgress: onSendProgress,
+      onReceiveProgress: onReceiveProgress,
+    );
+
+    return response.data;
+  }
+
+  Options _withMethod(Options? options, String method) {
+    return options == null
+        ? Options(method: method)
+        : options.copyWith(method: method);
+  }
+}