我正在尝试从URL Connection
获取输入流的PDF,但是我得到了一个空的输入流。请问有谁能告诉我我做错了什么?以下是代码:
<!-- language: java -->
URL fileUrl = new URL("https://www.dropbox.com/s/ao3up7xudju4qm0/Amalgabond%20Adhesive%20Agent.pdf");
HttpURLConnection connection = (HttpURLConnection)fileUrl.openConnection();
connection.connect();
InputStream is = connection.getInputStream();
Log.i("TAG", "is.available(): " + is.available());
is.available()
返回了 0
表示流为空。
0
或者1
。 - Mustansar Saeed