在Flutter中使用GraphQL调用发送Cookie,可以通过以下步骤实现:
pubspec.yaml
文件中添加graphql_flutter
和http
依赖。dependencies:
flutter:
sdk: flutter
graphql_flutter: ^4.0.0
http: ^0.13.3
graphql_flutter
库创建一个GraphQL客户端,用于与服务器进行通信。import 'package:graphql_flutter/graphql_flutter.dart';
final HttpLink httpLink = HttpLink('YOUR_GRAPHQL_ENDPOINT');
final ValueNotifier<GraphQLClient> client = ValueNotifier<GraphQLClient>(
GraphQLClient(
link: httpLink,
cache: GraphQLCache(),
),
);
import 'package:http/http.dart' as http;
final String cookie = 'YOUR_COOKIE_VALUE';
final http.Client httpClient = http.Client();
final http.Request request = http.Request('POST', Uri.parse('YOUR_GRAPHQL_ENDPOINT'));
request.headers.addAll({'Cookie': cookie});
final http.StreamedResponse response = await httpClient.send(request);
final String responseBody = await response.stream.bytesToString();
final QueryResult result = await client.value.query(QueryOptions(
document: gql('YOUR_GRAPHQL_QUERY'),
));
if (result.hasException) {
print(result.exception.toString());
} else {
print(result.data.toString());
}
请注意,上述代码示例中的YOUR_GRAPHQL_ENDPOINT
应替换为您的GraphQL服务器端点,YOUR_COOKIE_VALUE
应替换为您要发送的Cookie的值,YOUR_GRAPHQL_QUERY
应替换为您的GraphQL查询。
关于GraphQL和Flutter的更多信息,您可以参考以下链接:
请注意,以上答案仅供参考,具体实现可能因您的项目需求和后端设置而有所不同。
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