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moehu/moehu_fontend/lib/http/.pydio

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moehu/moehu_fontend/lib/http/Dio.dart

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+import 'package:bot_toast/bot_toast.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter/material.dart';
+import 'package:peach/config/_.dart';
+import 'package:peach/utils/_.dart';
+import 'package:toast/toast.dart';
+
+class ResponseData {
+  String code;
+  String message;
+  dynamic data;
+}
+
+/// 单例模式封装 dio
+class HttpApi {
+  Dio _Dio;
+  static HttpApi _instance = HttpApi.instance();
+  factory HttpApi() => _instance;
+
+  HttpApi.instance() {
+    SPreferences.init();
+    if (null == _Dio) {
+      BaseOptions options = new BaseOptions(
+        baseUrl: Config.ApiUrl['PhotoBaseUrl'],
+        connectTimeout: 30000,
+        contentType: 'application/json; charset=utf-8',
+        responseType: ResponseType.json,
+      );
+
+      _Dio = new Dio(options);
+      _Dio.interceptors.add(InterceptorsWrapper(onRequest: (RequestOptions options) {
+        // print(SPreferences().getString("token"));
+        // options.headers
+        options.headers.putIfAbsent("token", () => SPreferences().getString("token"));
+        // 请求拦截器
+        return options;
+      }, onResponse: (Response response) {
+
+        // 因为 downloadFile 下载apk方法被响应拦截器拦截了，所以这里需要对下载的
+        // 响应头进行判断，如果是阿里云，则不进行状态码的判断
+        if (response.headers.value("server") == "AliyunOSS") {
+          return response;
+        } else {
+          switch (response.data["code"]) {
+            case 404:
+            // BotToast.showText(text: response.data["message"]);
+              return response;
+            case 100:
+              return response;
+            case 500:
+              BotToast.showText(text: response.data["message"]);
+              throw response.data["message"];
+            default:
+              return response;
+          }
+        }
+      }, onError: (DioError e) {
+        print("网络请求出现错误 ====== ${e.message}");
+        // 错误拦截器
+        return e;
+      }));
+    }
+  }
+
+  /// GET 请求
+  Future get({@required String url, Options options, dynamic params}) async {
+    Response res =
+        await _Dio.get(url, queryParameters: params, options: options);
+    return res.data;
+  }
+
+  /// POST 请求
+  Future post({@required String url, Options options, dynamic params}) async {
+    Response res = await _Dio.post(url, data: params, options: options);
+    return res.data;
+  }
+
+  /// 下载文件
+  Future downloadFile(String urlPath, String savePath, {ProgressCallback onReceiveProgress}) async {
+    Response response = await _Dio.download(urlPath, savePath,
+        onReceiveProgress: onReceiveProgress,
+        options: Options(sendTimeout: 25000, receiveTimeout: 25000));
+    return response;
+  }
+}