下面是解析后的样子，它将"<"和">"和空格什么的都没解析出来，请高手指教谢谢！！！
4xmldata=%09%09%09%3C%3Fxml+version%3D%221.0%22+encoding%3D%22UTF-8%22%3F%3E%0D%0A%0D%0A%3CProvBOSS%3E%0D%0A++%3CBIPCode%3EBIP9B92%C4%E3%BA%C33%3C%2FBIPCode%3E%0D%0A++%3CBIPVer%3E0100%3C%2FBIPVer%3E%0D%0A++%3CActivityCode%3ET9100911%3C%2FActivityCode%3E%0D%0A++%3CActionCode%3E0%3C%2FA
4xmldata=%09%09%09%3C%3Fxml+version%3D%221.0%22+encoding%3D%22UTF-8%22%3F%3E%0D%0A%0D%0A%3CProvBOSS%3E%0D%0A++%3CBIPCode%3EBIP9B92%C4%E3%BA%C33%3C%2FBIPCode%3E%0D%0A++%3CBIPVer%3E0100%3C%2FBIPVer%3E%0D%0A++%3CActivityCode%3ET9100911%3C%2FActivityCode%3E%0D%0A++%3CActionCode%3E0%3C%2FA
我记得%3c是空格的意思吧。