如何调用有道翻译API（Java，HTTP）

申请Key

代码（Java）

public class TestPost {

public static void main(String[] args) {
new ReadByPost().start();
}

}

class ReadByPost extends Thread{
@Override
public void run() {
try {

URL url = new URL("http://fanyi.youdao.com/openapi.do");
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.addRequestProperty("encoding", "UTF-8");
connection.setDoInput(true);
connection.setDoOutput(true);

connection.setRequestMethod("POST");

OutputStream os = connection.getOutputStream();
OutputStreamWriter osw = new OutputStreamWriter(os);
BufferedWriter bw = new BufferedWriter(osw);

bw.write("keyfrom=fadabvaa&key=522071532&type=data&doctype=json&version=1.1&q=Microsoft");
bw.flush();

InputStream is = connection.getInputStream();
InputStreamReader isr = new InputStreamReader(is,"UTF-8");
BufferedReader br = new BufferedReader(isr);

String line;
StringBuilder builder = new StringBuilder();
while((line = br.readLine()) != null){
builder.append(line);
}

bw.close();
osw.close();
os.close();

br.close();
isr.close();
is.close();

System.out.println(builder.toString());

} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}

{"translation":["微软"],"basic":{"us-phonetic":"'maikr?us?ft","phonetic":"'maikr?us?ft","uk-phonetic":"'maikr?us?ft","explains":["n. 微软公司（全球知名的PC软件主要厂商）"]},"query":"Microsoft","errorCode":0,"web":[{"value":["微软公司","微软","美国微软"],"key":"MicroSoft"},{"value":["办公软件","微软办公软件","微软办公"],"key":"Microsoft Office"},{"value":["微软小工具"],"key":"Microsoft Gadgets"}]}