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untitled/lib/http/.pydio

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untitled/lib/http/Dio.dart

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+import 'package:dio/dio.dart';
+import 'package:flutter/material.dart';
+import 'package:peach/config/_.dart';
+
+/// 单例模式封装 dio
+class HttpApi {
+  Dio _Dio;
+  static HttpApi _instance = HttpApi.instance();
+  factory HttpApi() => _instance;
+
+  HttpApi.instance() {
+    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) {
+        // 请求拦截器
+        return options;
+      },onResponse: (Response response) {
+        // 响应拦截器
+        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 {
+    SetBaseUrl(url);
+    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 {
+    SetBaseUrl(url);
+    Response res = await _Dio.post(url, data: params, options: options);
+    return res.data;
+  }
+
+  void SetBaseUrl(String url) {
+    if (url == "/likeList") {
+      _Dio.options.baseUrl = Config.ApiUrl['VideoBaseUrl'];
+    } else {
+      _Dio.options.baseUrl = Config.ApiUrl['PhotoBaseUrl'];
+    }
+  }
+
+  /// 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;
+  }
+
+}