java擷取註冊ip執行個體_java

話不多說，請看執行個體代碼

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();      }      System.out.println("ip:"+ip);

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