request获取各种信息

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 = request.getHeader(key);

        map.put(key, value);

        //System.out.println(key+":"+value);

    }

    return map;

}

Map<String,String> map = getHeadersInfo(request);

String userAgent = map.get("user-agent");

String referer = map.get("referer");

System.out.println("userAgent"+userAgent+":referer"+referer);

public static String getIpAddress(HttpServletRequest request) {

        String ip = request.getHeader("x-forwarded-for");

        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {

            ip = request.getHeader("Proxy-Client-IP");

        }

        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {

            ip = request.getHeader("WL-Proxy-Client-IP");

        }

        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {

            ip = request.getRemoteAddr();

        }

        return ip.equals("0:0:0:0:0:0:0:1") ? "127.0.0.1" : ip;

    }

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 "";

}

-HeadersInfo-host:localhost:8080

-HeadersInfo-connection:keep-alive

-HeadersInfo-content-length:6

-HeadersInfo-origin:http://localhost:8080

-HeadersInfo-x-requested-with:XMLHttpRequest

-HeadersInfo-user-agent:Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Mobile Safari/537.36

-HeadersInfo-content-type:application/x-www-form-urlencoded

-HeadersInfo-accept:*/*

-HeadersInfo-referer:http://localhost:8080/index.html

-HeadersInfo-accept-encoding:gzip, deflate

-HeadersInfo-accept-language:zh-CN,zh;q=0.8