private Map<String, String> getHeadersInfo(HttpServletRequest request) {
    Map<String, String> map = new HashMap<String, String>();
    Enumeration headerNames = request.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        String key = (String) headerNames.nextElement();
        String value = http://www.mamicode.com/request.getHeader(key);
        map.put(key, value);
        //System.out.println(key+":"+value);
    }
    return map;
}

private String getCookieId(HttpServletRequest request){
    Cookie[] cookie = request.getCookies();
    for (int i = 0; i < cookie.length; i++) {
        Cookie cook = cookie[i];
        System.out.println(cook.toString());
        if(cook.getName().equalsIgnoreCase("eredg4.login.account")){ //获取键
            System.out.println("account:"+cook.getValue().toString());    //获取值
        }
    }
    return "";
}

request获取各种信息