2012年软考软件设计师辅导:如何设置以及删除cookie

来源:微学教育网发布时间:2012-04-27

  -


  /**


  * 删除cookie


  */


  public static void clearCookie(HttpServletRequest request,HttpServletResponse response, String path) {


  Cookie[] cookies = request.getCookies();


  try{


  for(int i=0;i《cookies.length;i++) {


  //System.out.println(cookies[i].getName() + “:” + cookies[i].getValue());


  Cookie cookie = new Cookie(cookies[i].getName(), null);


  cookie.setMaxAge(0);


  cookie.setPath(path);//根据你创建cookie的路径进行填写


  response.addCookie(cookie);


  }


  }catch(Exception ex) {


  System.out.println(“删除Cookies发生异常!”);


  }


  }


  public static void setCookie(HttpServletResponse response, String name, String value, String path) {


  if (logger.isDebugEnabled()) {


  logger.debug(“Setting cookie ‘” + name + “' on path ’” + path + “‘”);


  }


  Cookie cookie = new Cookie(name, value);


  cookie.setSecure(false);


  cookie.setPath(path);


  cookie.setMaxAge(Constants.COOKIE_INVALID_TIME);


  response.addCookie(cookie);


  // logger.info(“setCookie 完成……”);


  }


  //调用


  String cookiename = “vbo”;


  String cookievalue = “cb”;


  String path = “/”;


  setCookie(response, cookiename , cookievalue , path);


  clearCookie(request,response,path);//如果有name的话,方法也要增加name过去才能匹配