我的 connectTimeout 和 receiveTimeouts 不起作用。这是我的代码:
BaseOptions options = new BaseOptions(
baseUrl:
'http://localhost:5000/api',
connectTimeout: 5000,
receiveTimeout: 3000,
responseType: ResponseType.plain);
Dio myDio = new Dio(options);
// api file
final response = await myDio.get('/test');
// on the backend in Node.js, i delay my response with:
setTimeout(function () { res.status(201).json(result) }, 50000)
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然而,这是行不通的。然而有趣的是,如果我这样做它就会起作用:
myDio.options.connectTimeout = 5000;
myDio.options.receiveTimeout = 3000;
final response = await myDio.get('/test');
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我真的不想这样做,因为我有很多 api 调用,并且我希望我的myDio实例能够处理所有超时。知道如何解决这个问题,或者发生了什么事吗?
谢谢
您可以创建一个实用程序类,为您提供“预配置”Dio 对象,大致如下:
class WebUtil {
static Dio createDio() {
var dio = Dio(
BaseOptions(
baseUrl: "${AppSettings.webServiceUrl}/api/",
headers: {
"Accept": "application/json",
}
)
);
dio.options.connectTimeout = 5000;
dio.options.receiveTimeout = 3000;
return dio;
}
}
// Nothing to do with your question, just a simple helper method to parse Dio exceptions:
static String getUserExceptionMessage(DioError dioError) {
return '${dioError.response.statusCode}: ${dioError.response.statusMessage}.\nURL: ${dioError.request.path}';
}
}
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使用方法:
Response response = await WebUtil.createDio().get("some-call");
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