目录

• java获取用户登录ip、浏览器信息、SessionId
• 1、获取用户登录ip
• 2、获取用户所使用的浏览器信息
• 3、获取用户SessionId
• 获取用户登录的ip地址（考虑多种请求头的情况）

java获取用户登录ip、浏览器信息、SessionId

1、获取用户登录ip

//获取用户登录ip;
String loginIp = request.getHeader("X-Forwarded-For");
if (loginIp == null || loginIp.length() == 0 || "unknown".equalsIgnoreCase(loginIp)) {
    loginIp = request.getHeader("X-Real-IP");
}
if (loginIp == null || loginIp.length() == 0 || "unknown".equalsIgnoreCase(loginIp)) {
    loginIp = request.getHeader("Proxy-Client-IP");
}
if (loginIp == null || loginIp.length() == 0 || "unknown".equalsIgnoreCase(loginIp)) {
    loginIp = request.getHeader("WL-Proxy-Client-IP");
}
if (loginIp == null || loginIp.length() == 0 || "unknown".equalsIgnoreCase(loginIp)) {
    loginIp = request.getHeader("HTTP_CLIENT_IP");
}
if (loginIp == null || loginIp.length() == 0 || "unknown".equalsIgnoreCase(loginIp)) {
    loginIp = request.getRemoteAddr();
}

2、获取用户所使用的浏览器信息

/**
*获取浏览器信息;
*/
String ua = request.getHeader("User-Agent");
//转成UserAgent对象
UserAgent userAgent = UserAgent.parseUserAgentString(ua); 
Browser browser = userAgent.getBrowser();
String browserInfo=browser.toString();//浏览器名

3、获取用户SessionId

request.getSession().getId();

获取用户登录的ip地址（考虑多种请求头的情况）

这段代码网上找的，传一个HttpServletRequest request就行，直接用

public class IpUtil {
    /**
     * 获取登录用户IP地址
     *
     * @param request
     * @return
     */
    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 (ip.equals("0:0:0:0:0:0:0:1")) {
            ip = "本地";
        }
        return ip;
    }
}

以上为个人经验，希望能给大家一个参考，也希望大家多多支持自由互联。

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