獲取本機的公網IP和內網IP(JAVA原始碼)
阿新 • • 發佈:2018-12-31
public class Test { public static void main(String[] args) { try { String ip1 = getMyIP(); System.out.println("myIP:" + ip1); String ip2 = getMyIPLocal(); System.out.println("myLocalIP:" + ip2); } catch (IOException e1) { e1.printStackTrace(); } } private static String getMyIP() throws IOException { InputStream ins = null; try { URL url = new URL("http://iframe.ip138.com/ic.asp"); URLConnection con = url.openConnection(); ins = con.getInputStream(); InputStreamReader isReader = new InputStreamReader(ins, "GB2312"); BufferedReader bReader = new BufferedReader(isReader); StringBuffer webContent = new StringBuffer(); String str = null; while ((str = bReader.readLine()) != null) { webContent.append(str); } int start = webContent.indexOf("[") + 1; int end = webContent.indexOf("]"); return webContent.substring(start, end); } finally { if (ins != null) { ins.close(); } } } private static String getMyIPLocal() throws IOException { InetAddress ia = InetAddress.getLocalHost(); return ia.getHostAddress(); } }