線上flutter 接口請求基本架構(線上實際項目搭建 很少講直接上代碼)android
首先添加庫: pubspec.yaml 目錄下:api
dio: ^2.1.2 #dio 請求框架
rxdart: ^0.21.0 #rx框架
複製代碼
接口請求工具類:bash
class ApiDio {
static ApiDio instance;
static ApiService apiService;
ApiDio(){
var options = new BaseOptions(
connectTimeout: 5000,
receiveTimeout: 3000,
baseUrl:TTicarConfig.baseUrl,// api 頭部例如 https://www.baidu.com
contentType: new ContentType('application', 'x-www-form-urlencoded',
charset: 'utf-8'));
Dio dio = new Dio(options);
dio.interceptors.add(AuthInterceptor());// 添加 token
dio..interceptors.add(LogInterceptor(responseBody: true, requestBody: true)); //添加日誌
apiService= new ApiService(dio);
}
static ApiService getInstance() {
if (instance == null) {
instance = new ApiDio();
}
return _getApiService();
}
static ApiService _getApiService() {
return apiService;
}
}
/// AuthInterceptor
///
/// 添加header認證
class AuthInterceptor extends Interceptor {
String PLATFORM = "android";//可根據代碼進行判斷
String CLIENT = "store";
@override
onRequest(RequestOptions options) async{
Map<String, String> headers = new Map();
headers["Accept-Charset"] = "utf-8";
headers["Connection"] = "keep-alive";
headers["Accept"] = "*/*";
headers["x-version"] = TTicarConfig.VERSION_NAME;//本身更改配置
headers["x-platform"] = PLATFORM;
headers["x-client"] = CLIENT;
headers["x-equCode"] = TTicarConfig.equCode;//本身更改配置
headers["Authorization"] = TTicarConfig.TOKEN;//本身更改配置
options.headers=headers;
return super.onRequest(options);
}
}
複製代碼
設置請求類型(post get 可本身添加想要的類型)網絡
class ApiService {
ApiService(this.dio);
Dio dio;
//get請求結構
Future _get(String url, {Map<String, dynamic> params}) async {
var response = await dio.get(url, queryParameters: params);
return response.data;
}
//post
Future _post(String url, Map<String, dynamic> params) async {
var response = await dio.post(url, data: params);
return response.data;
}
Observable post(String url, Map<String, dynamic> params) =>
Observable.fromFuture(_post(url, params)).asBroadcastStream();
Observable get(String url, {Map<String, dynamic> params}) =>
Observable.fromFuture(_get(url, params: params)).asBroadcastStream();
}
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設置請求接口的工具類 (這不能夠精簡不須要或者經過註解的方式)架構
class TTicarWork {
/*
* 個人收藏商品列表
* */
Observable loadCollectGood(String pageNum, String pageSize) {
Map<String, String> map = new Map();
map["pageNum"] = pageNum;
map["pageSize"] = pageSize;
return ApiDio.getInstance().get("collection/good/list", params: map);
}
}
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請求接口app
new TTicarWork().loadCollectGood(pageNum, "20").listen((request) {
//接口請求成功 (request爲map) 本身設置解析數據
}, onError: (e) {//請求異常等
});
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目前這個框架的缺陷 (若有更好的操做進行@我,我會逐漸修復)框架
1.沒有經過註解的方式進行請求數據
2.沒有自動解析數據
3.沒有對網絡進行判斷(能夠自行添加攔截器進行攔截判斷)
複製代碼