js参数
speakText //朗读文本
speakSpeed //朗读速度,0-45
例:
http://tts.baidu.com/text2audio,{
"method": "POST",
"body": "tex={{java.encodeURI(java.encodeURI(speakText))}}&spd={{String((speakSpeed + 5) / 10 + 4)}}&per=5003&cuid=baidu_speech_demo&idx=1&cod=2&lan=zh&ctp=1&pdt=1&vol=5&pit=5&_res_tag_=audio"
}