v1.0.1

lib/requests/common/http_client.dart

@@ -0,0 +1,260 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:dio/dio.dart';
+import 'package:flutter_dmzj/app/app_error.dart';
+import 'package:flutter_dmzj/requests/common/api.dart';
+import 'package:flutter_dmzj/requests/common/custom_interceptor.dart';
+import 'package:flutter_dmzj/services/user_service.dart';
+
+class HttpClient {
+  static HttpClient? _httpUtil;
+
+  static HttpClient get instance {
+    _httpUtil ??= HttpClient();
+    return _httpUtil!;
+  }
+
+  late Dio dio;
+  HttpClient() {
+    dio = Dio(
+      BaseOptions(
+        connectTimeout: const Duration(seconds: 20),
+        receiveTimeout: const Duration(seconds: 20),
+        sendTimeout: const Duration(seconds: 20),
+      ),
+    );
+    dio.interceptors.add(CustomInterceptor());
+  }
+
+  /// Get请求
+  /// * [path] 请求链接
+  /// * [queryParameters] 请求参数
+  /// * [cancel] 任务取消Token
+  /// * [needLogin] 是否需要登录
+  /// * [withDefaultParameter] 是否需要带上一些默认参数
+  /// * [responseType] 返回的类型
+  Future<dynamic> get(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    String baseUrl = Api.BASE_URL,
+    CancelToken? cancel,
+    bool withDefaultParameter = true,
+    bool needLogin = false,
+    ResponseType responseType = ResponseType.json,
+    bool checkCode = false,
+  }) async {
+    Map<String, dynamic> header = {};
+    queryParameters ??= <String, dynamic>{};
+    var query = Api.getDefaultParameter(withUid: needLogin);
+    if (withDefaultParameter) {
+      queryParameters.addAll(query);
+    }
+    if (needLogin) {
+      if (UserService.instance.logined.value) {
+        header['Authorization'] = 'Bearer ${UserService.instance.dmzjToken}';
+      }
+    }
+
+    try {
+      var result = await dio.get(
+        baseUrl + path,
+        queryParameters: queryParameters,
+        options: Options(
+          responseType: responseType,
+          headers: header,
+        ),
+        cancelToken: cancel,
+      );
+      if (checkCode && result.data is Map) {
+        var data = result.data as Map;
+        if (data['errno'] == 0) {
+          return result.data['data'];
+        } else {
+          throw AppError(
+            result.data['errmsg'].toString(),
+            code: int.tryParse(result.data['errno'].toString()) ?? 0,
+          );
+        }
+      }
+      return result.data;
+    } on DioException catch (e) {
+      if (e.type == DioExceptionType.cancel) {
+        rethrow;
+      }
+      if (e.type == DioExceptionType.badResponse) {
+        return throw AppError("请求失败：${e.response?.statusCode ?? -1}");
+      }
+      throw AppError("请求失败,请检查网络");
+    }
+  }
+
+  /// Get 请求,返回JSON
+  /// * [path] 请求链接
+  /// * [queryParameters] 请求参数
+  /// * [cancel] 任务取消Token
+  /// * [needLogin] 是否需要登录
+  /// * [withDefaultParameter] 是否需要带上一些默认参数
+  Future<dynamic> getJson(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    String baseUrl = Api.BASE_URL,
+    CancelToken? cancel,
+    bool withDefaultParameter = true,
+    bool needLogin = false,
+    bool checkCode = false,
+  }) async {
+    var result = await get(
+      path,
+      queryParameters: queryParameters,
+      baseUrl: baseUrl,
+      cancel: cancel,
+      withDefaultParameter: withDefaultParameter,
+      needLogin: needLogin,
+      responseType: ResponseType.json,
+      checkCode: checkCode,
+    );
+    if (result is Map || result is List) {
+      return result;
+    } else if (result is String) {
+      return jsonDecode(result);
+    }
+    return result;
+  }
+
+  /// Get 请求,返回Text
+  /// * [path] 请求链接
+  /// * [queryParameters] 请求参数
+  /// * [cancel] 任务取消Token
+  /// * [needLogin] 是否需要登录
+  /// * [withDefaultParameter] 是否需要带上一些默认参数
+  Future<dynamic> getText(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    String baseUrl = Api.BASE_URL,
+    CancelToken? cancel,
+    bool withDefaultParameter = true,
+    bool needLogin = false,
+  }) async {
+    return await get(
+      path,
+      queryParameters: queryParameters,
+      baseUrl: baseUrl,
+      cancel: cancel,
+      withDefaultParameter: withDefaultParameter,
+      needLogin: needLogin,
+      responseType: ResponseType.plain,
+    );
+  }
+
+  /// Get 请求,返回解密后Bytes
+  /// * [path] 请求链接
+  /// * [queryParameters] 请求参数
+  /// * [cancel] 任务取消Token
+  /// * [needLogin] 是否需要登录
+  /// * [withDefaultParameter] 是否需要带上一些默认参数
+  Future<Uint8List> getEncryptV4(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    String baseUrl = Api.BASE_URL,
+    CancelToken? cancel,
+    bool withDefaultParameter = true,
+    bool needLogin = false,
+  }) async {
+    var result = await get(
+      path,
+      queryParameters: queryParameters,
+      baseUrl: baseUrl,
+      cancel: cancel,
+      withDefaultParameter: withDefaultParameter,
+      needLogin: needLogin,
+      responseType: ResponseType.plain,
+    );
+    var resultBytes = Api.decryptV4(result);
+    return resultBytes;
+  }
+
+  /// Get 请求,返回byte
+  /// * [path] 请求链接
+  /// * [queryParameters] 请求参数
+  /// * [cancel] 任务取消Token
+  /// * [needLogin] 是否需要登录
+  /// * [withDefaultParameter] 是否需要带上一些默认参数
+  Future<dynamic> getBytes(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    String baseUrl = Api.BASE_URL,
+    CancelToken? cancel,
+    bool withDefaultParameter = true,
+    bool needLogin = false,
+  }) async {
+    return await get(
+      path,
+      queryParameters: queryParameters,
+      baseUrl: baseUrl,
+      cancel: cancel,
+      withDefaultParameter: withDefaultParameter,
+      needLogin: needLogin,
+      responseType: ResponseType.bytes,
+    );
+  }
+
+  /// Post请求，返回Map
+  /// * [path] 请求链接
+  /// * [data] 发送数据
+  /// * [queryParameters] 请求参数
+  /// * [cancel] 任务取消Token
+  Future<dynamic> postJson(
+    String path, {
+    Map<String, dynamic>? queryParameters,
+    Map<String, dynamic>? data,
+    String baseUrl = Api.BASE_URL,
+    CancelToken? cancel,
+    bool formUrlEncoded = false,
+    bool checkCode = false,
+    bool needLogin = false,
+  }) async {
+    Map<String, dynamic> header = {};
+    queryParameters ??= {};
+    if (needLogin) {
+      if (UserService.instance.logined.value) {
+        header['Authorization'] = 'Bearer ${UserService.instance.dmzjToken}';
+      }
+    }
+    try {
+      var result = await dio.post(
+        baseUrl + path,
+        queryParameters: queryParameters,
+        data: data,
+        options: Options(
+          responseType: ResponseType.json,
+          headers: header,
+          contentType:
+              formUrlEncoded ? Headers.formUrlEncodedContentType : null,
+        ),
+        cancelToken: cancel,
+      );
+      var jsonMap = result.data;
+      if (jsonMap is String) {
+        jsonMap = jsonDecode(jsonMap);
+      }
+      if (checkCode) {
+        var data = result.data as Map;
+        if (data['errno'] == 0) {
+          return result.data['data'];
+        } else {
+          throw AppError(
+            result.data['errmsg'].toString(),
+            code: int.tryParse(result.data['errno'].toString()) ?? 0,
+          );
+        }
+      }
+      return result.data;
+    } on DioException catch (e) {
+      if (e.type == DioExceptionType.badResponse) {
+        return throw AppError("请求失败:状态码：${e.response?.statusCode ?? -1}");
+      }
+      throw AppError("请求失败,请检查网络");
+    }
+  }
+}