TwinML Java说：不读取西里尔字母

我已经下载了IVR for beginners tutorial并对其进行了一些修改,以提供俄语语音响应(java文件的编码为UTF-8)：

@Override
protected void doPost(HttpServletRequest servletRequest,HttpServletResponse servletResponse)
        throws IOException {
    VoiceResponse response = new VoiceResponse.Builder()
            .gather(new Gather.Builder()
                    .action("/menu/show")
                    .numDigits(1)
                    .build())
            .say(new Say.Builder("Привет")
                  .voice(Say.Voice.ALICE)
                  .language(Say.Language.RU_RU)
                  .build())
            .build();

    servletResponse.setContentType("text/xml");
    try {
        servletResponse.getWriter().write(response.toXml());
    } catch (TwiMLException e) {
        throw new RuntimeException(e);
    }
}

但是,当我拨打电话时,我会听到沉默.控制台的呼叫日志显示问号而不是西里尔字符.

希望能为您解决这个问题提供帮助.

最佳答案

看来,您“只是”必须：

servletResponse.setCharacterEncoding("UTF-8");

..要么：

servletResponse.setContentType("text/xml; charset=UTF-8");

…因为默认值假定为ISO-8859-1. (而且我对TwiML或IVR并不深入,但这似乎可以从根本上打破/固定东西(西里尔字母).)

参考：

> Change encoding of HttpServletResponse
> https://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html
> https://javaee.github.io/servlet-spec/
> http://www.grauw.nl/blog/entry/489
> https://www.fileformat.info/info/unicode/char/search.htm
> https://www.twilio.com/docs/voice/twiml/say
> https://www.twilio.com/docs/voice/twiml/gather
> UTF8 or UTF-8?