获取请求方 mac 地址

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获取请求方 mac 地址
package cn.com.henry.servlet;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.InetAddress;import java.net.NetworkInterface;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Test extends HttpServlet {/** * Constructor of the object. */public Test() {super();}/** * Destruction of the servlet. <br> */public void destroy() {super.destroy(); // Just puts "destroy" string in log// Put your code here}/** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. *  * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {response.setContentType("text/html");PrintWriter out = response.getWriter();out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");out.println("  <BODY>");try {out.println("------------------------------------");out.println("ip:"+getIpAddr(request));} catch (Exception e) {e.printStackTrace();}try {out.println("mac:"+getMACAddress(getIpAddr(request)));out.println("------------------------------------");} catch (Exception e) {e.printStackTrace();}out.print("    This is ");out.print(this.getClass());out.println(", using the GET method");out.println("  </BODY>");out.println("</HTML>");out.flush();out.close();}/** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. *  * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {response.setContentType("text/html");PrintWriter out = response.getWriter();out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");out.println("  <BODY>");try {out.println("------------------------------------");out.println("ip:"+getIpAddr(request));} catch (Exception e) {e.printStackTrace();}try {out.println("mac:"+getMACAddress(getIpAddr(request)));out.println("------------------------------------");} catch (Exception e) {e.printStackTrace();}out.print("    This is ");out.print(this.getClass());out.println(", using the POST method");out.println("  </BODY>");out.println("</HTML>");out.flush();out.close();}   /**      * 通过HttpServletRequest返回IP地址      * @param request HttpServletRequest      * @return ip String      * @throws Exception      */      public String getIpAddr(HttpServletRequest request) throws Exception {          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.getHeader("HTTP_CLIENT_IP");          }          if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {              ip = request.getHeader("HTTP_X_FORWARDED_FOR");          }          if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {              ip = request.getRemoteAddr();          }          return ip;      }          /**      * 通过IP地址获取MAC地址      * @param ip String,127.0.0.1格式      * @return mac String      * @throws Exception      */      public String getMACAddress(String ip) throws Exception {          String line = "";          String macAddress = "";          final String MAC_ADDRESS_PREFIX = "MAC Address = ";          final String LOOPBACK_ADDRESS = "127.0.0.1";          //如果为127.0.0.1,则获取本地MAC地址。          if (LOOPBACK_ADDRESS.equals(ip)) {              InetAddress inetAddress = InetAddress.getLocalHost();              //貌似此方法需要JDK1.6。              byte[] mac = NetworkInterface.getByInetAddress(inetAddress).getHardwareAddress();              //下面代码是把mac地址拼装成String              StringBuilder sb = new StringBuilder();              for (int i = 0; i < mac.length; i++) {                  if (i != 0) {                      sb.append("-");                  }                  //mac[i] & 0xFF 是为了把byte转化为正整数                  String s = Integer.toHexString(mac[i] & 0xFF);                  sb.append(s.length() == 1 ? 0 + s : s);              }              //把字符串所有小写字母改为大写成为正规的mac地址并返回              macAddress = sb.toString().trim().toUpperCase();              return macAddress;          }          //获取非本地IP的MAC地址          try {              Process p = Runtime.getRuntime().exec("nbtstat -A " + ip);              InputStreamReader isr = new InputStreamReader(p.getInputStream());              BufferedReader br = new BufferedReader(isr);              while ((line = br.readLine()) != null) {                  if (line != null) {                      int index = line.indexOf(MAC_ADDRESS_PREFIX);                      if (index != -1) {                          macAddress = line.substring(index + MAC_ADDRESS_PREFIX.length()).trim().toUpperCase();                      }                  }              }              br.close();          } catch (IOException e) {              e.printStackTrace(System.out);          }          return macAddress;      }  }
获取 请求方 mac 地址

获取请求方 mac 地址
