java获取登录用户ip地址
时间: 2023-11-25 16:41:40 浏览: 42
您可以使用Java的Servlet API中的request对象获取登录用户的IP地址,具体代码如下:
```java
String ipAddress = request.getHeader("X-Forwarded-For");
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("WL-Proxy-Client-IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("HTTP_CLIENT_IP");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
ipAddress = request.getRemoteAddr();
}
```
请注意,这种方法可能无法100%准确地获取用户的IP地址,因为某些代理服务器可能会修改X-Forwarded-For头部信息。但一般情况下,该方法可以较为准确地获取用户的IP地址。
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