@RequestMapping("setCookie")
public String setCookie(HttpServletResponse response,String callback){
    Cookie cookie = new Cookie("test","same");
    cookie.setPath("/");
    response.addCookie(cookie);
    if (StringUtils.isNotBlank(callback)){
        return callback+"('success')";
    }
    return "success";
}

@RequestMapping("getCookie")
public String getCookie(HttpServletRequest request,HttpServletResponse response,String callback){
    Cookie[] cookies = request.getCookies();
    if (cookies != null && cookies.length >0) {
        for (Cookie cookie : cookies) {
            System.out.println("name:" + cookie.getName() + "-----value:" + cookie.getValue());
        }
    }
    if (StringUtils.isNotBlank(callback)){
        return callback+"('success')";
    }
    return "success";
}