这是 Java 9 开始引入的一个处理 HTTP 请求的的孵化 HTTP Client API,该 API 支持同步和异步,而在 Java 11 中已经为正式可用状态,你可以在 java.net 包中找到这个 API。
官网:https://www.runoob.com/manual/jdk11api/java.net.http/java/net/http/package-summary.html
其中Builder的引用全路径为java.net.http.HttpRequest.Builder,它是一个接口
/**
* Returns an {@code Optional} containing the {@link BodyPublisher} set on
* this request. If no {@code BodyPublisher} was set in the requests's
* builder, then the {@code Optional} is empty.
*
* @return an {@code Optional} containing this request's {@code BodyPublisher}
*/
public abstract Optional<BodyPublisher> bodyPublisher();
例如其可在微信小程序中将返回的Buffer转为Base64字符串
var request = HttpRequest.newBuilder()
.uri(URI.create("http://xxx"+PRINT_URL +"xxx" + "&admin="+ "admin"))
.header("Content-Type", "application/json;charset=utf-8")
.header("login-token", "xxx")
.POST(HttpRequest.BodyPublishers.ofString(""))
.build();
var client = HttpClient.newHttpClient();
System.out.println(send.body());
所请求的返回体需在body中获取,其中send中都包含响应码,请求uri等信息
HttpResponse<String> send = client.send(request, HttpResponse.BodyHandlers.ofString());
CompletableFuture<HttpResponse<String>> responseCompletableFuture = client.sendAsync(request, HttpResponse.BodyHandlers.ofString());
responseCompletableFuture.thenApply(response->response.body()).thenAccept(body -> {
System.out.println(body);
});
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。