利用阿里云解析api实现DDNS

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.InetAddress; import java.net.URL; import java.net.URLConnection; import java.util.Date; import java.util.List; import com.aliyun.api.AliyunClient; import com.aliyun.api.AliyunConstants; import com.aliyun.api.DefaultAliyunClient; import com.aliyun.api.dns.dns20150109.request.DescribeSubDomainRecordsRequest; import com.aliyun.api.dns.dns20150109.request.UpdateDomainRecordRequest; import com.aliyun.api.dns.dns20150109.response.DescribeSubDomainRecordsResponse; import com.aliyun.api.dns.dns20150109.response.UpdateDomainRecordResponse; import com.aliyun.api.domain.Record; public class DemoListDomains { private static AliyunClient client; static { String serverUrl = "http://dns.aliyuncs.com/"; String accessKeyId = ""; String accessKeySecret = ""; client = new DefaultAliyunClient(serverUrl, accessKeyId, accessKeySecret, AliyunConstants.FORMAT_JSON); } public static void main(String[] args) { try { // 获取域名信息 DescribeSubDomainRecordsRequest ddi_req = new DescribeSubDomainRecordsRequest(); ddi_req.setTimestamp(new Date().getTime()); DescribeSubDomainRecordsResponse ddi_resp = new DescribeSubDomainRecordsResponse(); ddi_req.setSubDomain("www.leshops.com.cn"); ddi_resp = client.execute(ddi_req); List<Record> list = ddi_resp.getDomainRecords(); boolean changed = false; for (Record record : list) { String ip = getMyIPOutter();// 获得本机公网IP System.out.println("old_ip : " + record.getValue()); System.out.println("outter_ip : " + ip); if (!ip.equals(record.getValue())) { // 根据传入参数修改解析记录 UpdateDomainRecordRequest udr_req = new UpdateDomainRecordRequest(); udr_req.setTimestamp(new Date().getTime()); udr_req.setRecordId(record.getRecordId()); udr_req.setrR(record.getrR()); udr_req.setValue(ip); udr_req.setType(record.getType()); udr_req.settTL(record.gettTL()); udr_req.setPriority(record.getPriority()); udr_req.setLine(record.getLine()); UpdateDomainRecordResponse udr_resp = new UpdateDomainRecordResponse(); udr_resp = client.execute(udr_req); if (udr_resp.getErrorCode() == null) { System.out.println("success"); changed = true; } else { System.out.println("error"); } } } if (!changed) { System.out.println("need not change"); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); System.out.println("error"); } } private static String getMyIPOutter() throws IOException { InputStream ins = null; try { URL url = new URL("http://1212.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) { if (str.contains("您的IP是：[")) { webContent.append(str); break; } } int start = webContent.indexOf("[") + 1; int end = webContent.indexOf("]"); return webContent.substring(start, end); } finally { if (ins != null) { ins.close(); } } } @SuppressWarnings("unused") private static String getMyIPLocal() throws IOException { InetAddress ia = InetAddress.getLocalHost(); return ia.getHostAddress(); } }