java獲取登錄ip和地址

//獲取HttpServletRequest對象

ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();

/**
 * 獲取登錄用戶的IP地址
 *
 * @param request HttpServletRequest
 * @return String
 */
public static String getIpAddr(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();
    }
    if ("0:0:0:0:0:0:0:1".equals(ip)) {
        ip = "127.0.0.1";
    }
    if (ip.split(",").length > 1) {
        ip = ip.split(",")[0];
    }
    return ip;
}

/**
 * 通過IP獲取地址
 *
 * @param ip http://freeapi.ipip.net/ip
 * @return String
 */
public static String getIpInfo(String ip) {
    if ("127.0.0.1".equals(ip)) {
        ip = "127.0.0.1";
    }
    String info = "";
    try {
        URL url = new URL("http://freeapi.ipip.net/" + ip);
        HttpURLConnection htpcon = (HttpURLConnection) url.openConnection();
        htpcon.setRequestMethod("GET");
        htpcon.setDoOutput(true);
        htpcon.setDoInput(true);
        htpcon.setUseCaches(false);
        InputStream in = htpcon.getInputStream();
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(in));
        StringBuilder temp = new StringBuilder();
        String line = bufferedReader.readLine();
        while (line != null) {
            temp.append(line).append("\r\n");
            line = bufferedReader.readLine();
        }
        bufferedReader.close();
        JSONArray jsonArray = JSONObject.parseArray(temp.toString());
        info = info + jsonArray.get(0) + jsonArray.get(1) + jsonArray.get(2) + jsonArray.get(3) + jsonArray.get(4);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return info;
}

注意：http://freeapi.ipip.net/　　該接口有多次后拒絕請求問題，不建議使用，可使用

ip2region　　　　　　

http://whois.pconline.com.cn