spring MVC Servlet原生API

/*
 * 可以使用Servlet 原生的API作为目标方法的参数 具体支持一下类型
 * HttpServletRequest
 * HttpServletResponse
 * HttpSession
 * Principal Locale 
 * InputStream 
 * OutputStream 
 * Reader 
 * Writer 
 * 
 */
@RequestMapping("/testServletAPI")
public void testServletAPI(HttpServletRequest request,HttpServletResponse response,Writer out) throws IOException{
    System.out.println( request);
    System.out.println(response);
    out.write("hello spring mvc");
    //return SUCCESS;
}