/**
 * 判断是否ajax请求
 * spring ajax 返回含有 ResponseBody 或者 RestController注解
 *
 * @param handlerMethod HandlerMethod
 * @return 是否ajax请求
 */
WebUtil.isBody(HandlerMethod handlerMethod);

/**
 * 读取cookie
 *
 * @param name cookie name
 * @return cookie value
 */
WebUtil.getCookieVal(String name);

/**
 * 读取cookie
 *
 * @param request HttpServletRequest
 * @param name    cookie name
 * @return cookie value
 */
WebUtil.getCookieVal(HttpServletRequest request, String name);

/**
 * 清除 某个指定的cookie
 *
 * @param response HttpServletResponse
 * @param key      cookie key
 */
WebUtil.removeCookie(HttpServletResponse response, String key);

/**
 * 设置cookie
 *
 * @param response        HttpServletResponse
 * @param name            cookie name
 * @param value           cookie value
 * @param maxAgeInSeconds maxage
 */
WebUtil.setCookie(HttpServletResponse response, String name, String value, int maxAgeInSeconds);

/**
 * 获取 HttpServletRequest
 *
 * @return {HttpServletRequest}
 */
WebUtil.getRequest();

/**
 * 获取 HttpServletResponse
 *
 * @return {HttpServletResponse}
 */
WebUtil.getResponse();

/**
 * 获取ip
 *
 * @return {String}
 */
WebUtil.getIP();

/**
 * 获取ip
 *
 * @param request HttpServletRequest
 * @return {String}
 */
WebUtil.getIP(HttpServletRequest request);

/**
 * 返回json
 *
 * @param response HttpServletResponse
 * @param result   结果对象
 */
WebUtil.renderJson(HttpServletResponse response, Object result);

/**
 * 返回json
 *
 * @param response HttpServletResponse
 * @param jsonText json 文本
 */
WebUtil.renderJson(HttpServletResponse response, String jsonText);

/**
 * 返回json
 *
 * @param response    HttpServletResponse
 * @param text        文本
 * @param contentType contentType
 */
WebUtil.renderText(HttpServletResponse response, String text, String contentType);