研究flutter有一段时间了，做了一个基于Dio简单封装
import 'dart:io';
import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
var NET = NetWorkManager.getInstance();
enum RequestMethod {
get ,
post
}
class NetWorkManager {
static NetWorkManager _instance;
static NetWorkManager getInstance() {
if (_instance == null) {
_instance = NetWorkManager();
}
return _instance;
}
Dio dio;
Response response;
NetWorkManager() {
_init();
}
_init() {
dio = new Dio();
dio.options.connectTimeout = 5000;
dio.options.receiveTimeout = 3000;
}
Future request({
@required String url ,
RequestMethod method = RequestMethod.get,
Map<String, dynamic> params ,
ResponseType responseType = ResponseType.json,
ContentType contentType,
Function success ,
Function error}) async {
try {
response = await _baseRequest(
url: url ,
method: method ,
params: params ,
responseType: responseType ,
contentType: contentType);
} on DioError catch (dioError) {
if (error != null) {
error(dioError);
}
return Future.error(dioError);
}
if (response != null) {
if (success != null) {
success(response);
}
return response;
}
}
Future _baseRequest({
String url,
Map<String, dynamic> params ,
RequestMethod method = RequestMethod.get,
ContentType contentType ,
ResponseType responseType = ResponseType.json}) async {
if (contentType == null) {
contentType = ContentType.parse("application/x-www-form-urlencoded");
}
if (method == RequestMethod.get) {
return await dio.get(
url,
queryParameters: params,
options: Options(responseType:responseType , contentType: contentType)
);
} else if (method == RequestMethod.post) {
return await dio.post(
url,
queryParameters: params,
options: RequestOptions(responseType: responseType , contentType: contentType)
);
}
}
}
使用方法
NET.request(url: "url" ,
method: RequestMethod.post,
contentType: ContentType.json,
responseType: ResponseType.json,
success: (res){
print(res.data);
} , error: (e) {
}
);
或者使用Future
NET.request(url:"url" ).then((res) {
} , onError: (e) {
});
详细的请看demo
喜欢的点个Star
