本文介绍了java HttpURLConnection.setRequestMethod()不起作用的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想将请求方法从GET更改为POST.这是我的代码:
i want to change the request methodo from GET to POST. This is my code:
HttpURLConnection connection = null;
URL url = new URL("https://accounts.google.com/o/oauth2/token");
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
connection.setUseCaches (false);
connection.setDoInput(true);
connection.setDoOutput(true);
但是如您在此图中看到的，在调试请求的方法时，它没有改变:
But as u see in this image while debugging the methodo of the request doesn't change:
推荐答案
那只是一个. HttpsURLConnectionImpl 对象具有对委托的引用，并设置了委托的request方法.如果展开 delegate 字段并检查其 method 字段，则会看到 POST .
That's just an implementation detail. The HttpsURLConnectionImpl object has a reference to a delegate, and sets that delegate's request method. If you expand the delegate field and check its method field, you'll see POST.
如果继续执行代码，您还将看到它尝试发送POST请求.
If you follow through with the code, you'll also see it attempts to send a POST request.
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