我已经花了半个星期天在这上面,现在我需要帮助:
我想使用Java HttpURLConnection将包含特殊字符UTF-8编码的字符串发送到服务器。但是,字符的正确编码失败了。
例如:
strToSend: ä ù € strUrlEncoded: %C3%A4+%C3%B9+%E2%82%AC strReceived:ä ù â¬
我的代码:
urlConnection = (HttpURLConnection) new URL("http://localhost:8080/NetworkingServer/ServerServlet").openConnection();
urlConnection.setUseCaches(false);
urlConnection.setDoOutput(true); // Triggers POST.
urlConnection.setRequestProperty("accept-charset", "UTF-8");
urlConnection.setRequestProperty("content-type", "application/x-www-form-urlencoded");
String strToSend = "ä ù €";
System.out.println("strToSend: " + strToSend);
String strUrlEncoded = URLEncoder.encode(strToSend, "UTF-8");
System.out.println("strUrlEncoded: " + strUrlEncoded);
OutputStreamWriter writer = new OutputStreamWriter(urlConnection.getOutputStream(), "UTF-8");
writer.write(String.format("content=%s", strUrlEncoded));
writer.close();
有什么想法吗?
Content-Type
头应该是application/x-www-form-urlencoded; charset=utf-8
。你还需要确保你的服务器注意到这一点,并将其作为UTF-8读取。你能发布你的服务器代码吗? - Boris the Spider