我想在textfield中键入一些文本,然后选择一个,如果a不可用,则选择b,最后提交信息。 我只写这些代码,不知道下一步该怎么做。如何使用java与javascript网站进行交互
URL page_1 = new URL("https://google.com.hk");
HttpURLConnection urlconnection = (HttpURLConnection) page_1.openConnection();
DataOutputStream data_out = new DataOutputStream(urlconnection.getOutputStream());
DataInputStream data_in = new DataInputStream(urlconnection.getInputStream());
urlconnection.setDoInput(true);
urlconnection.setDoOutput(true);
System.out.println(data_out);
System.out.println(data_in);
System.out.println(urlconnection);
我只是不明白,给我们一个jsFiddle – Sudharsun