比如我們有這么一個(gè)表單： <form action="/example/html5/demo_form.asp" method="post" enctype=”multipart/form-data”> <input type="file" name="img" /> <input type="text" name=username" value="foo"/> <input type="submit" /> </form> 我想使用Java9的Httpclient模擬其提交，代碼如下： HttpClient client = HttpClient.newHttpClient(); HttpRequest request = HttpRequest. newBuilder(new URI("http:///example/html5/demo_form.asp")) .method("post",HttpRequest.BodyProcessor.fromString("foo")) .method("post", HttpRequest.BodyProcessor.fromFile(Paths.get("/path/to/your/file"))) .build(); HttpResponse response = client.send(request, HttpResponse.BodyHandler.asString()); System.out.println(response.body()); 不知道如何設(shè)置這倆字段的name