需要有Java、Maven、Springboot、阿里云域名使用经验阿里云修改域名模板，并拥有域名
pom 文件
4.0.0
com.binz
update-domain-ip
0.0.1-SNAPSHOT
jar
update-domain-ip
动态绑定ip到域名
org.springframework.boot
spring-boot-starter-parent
2.3.0.RELEASE
UTF-8
UTF-8
1.8
org.springframework.boot
spring-boot-starter
com.aliyun
aliyun-java-sdk-alidns
2.0.7
com.aliyun
aliyun-java-sdk-core
4.1.1
cn.hutool
hutool-http
5.3.5
update-domain-ip
org.springframework.boot
spring-boot-maven-plugin
java代码：UpdateDoaminIpStarted
package com.binz;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.alidns.model.v20150109.DescribeSubDomainRecordsRequest;
import com.aliyuncs.alidns.model.v20150109.DescribeSubDomainRecordsResponse;
import com.aliyuncs.alidns.model.v20150109.DescribeSubDomainRecordsResponse.Record;
import com.aliyuncs.alidns.model.v20150109.UpdateDomainRecordRequest;
import com.aliyuncs.alidns.model.v20150109.UpdateDomainRecordResponse;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.exceptions.ServerException;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.profile.IClientProfile;
import cn.hutool.http.HttpUtil;
@EnableScheduling
@SpringBootApplication
public class UpdateDoaminIpStarted {
public static final String ACCESS_KEY_ID = "";//需要去阿里控制台 》 AccessKey管理 获取
public static final String ACCESS_KEY_SECRET = "";//需要去阿里控制台 》 AccessKey管理 获取
public static final String REGION_ID = "cn-hanghou";
public static final String DOMIAN = "baidu.com";//域名 xxxx.com
public static final Map UPDATE_DOMIANS;//需要修改的域名
private static String CURRENT_IP = null;
private static IAcsClient client = null;
static {
UPDATE_DOMIANS = new HashMap();
UPDATE_DOMIANS.put("baidu.com", null);//根路径
UPDATE_DOMIANS.put("mobile.baidu.com", null);
UPDATE_DOMIANS.put("www.baidu.com", null);
try {
DefaultProfile.addEndpoint(REGION_ID,REGION_ID, "Alidns","alidns.aliyuncs.com");
} catch (ClientException e) {
e.printStackTrace();
}
IClientProfile profile = DefaultProfile.getProfile(REGION_ID, ACCESS_KEY_ID, ACCESS_KEY_SECRET);
client = new DefaultAcsClient(profile);
}
public static Record getSubDomainRecord(String subDomain) {
DescribeSubDomainRecordsRequest request = new DescribeSubDomainRecordsRequest();
DescribeSubDomainRecordsResponse response;
request.setSubDomain(subDomain);
try {
response = client.getAcsResponse(request);
List domainRecords = response.getDomainRecords();
// {RR=mobile, recordId=4031722341639808, line=default, domainName=baidu.com,
return domainRecords.get(0);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private static String pingAndGetIp() {
try {
Set keySet = UPDATE_DOMIANS.keySet();
Process process = Runtime.getRuntime().exec("ping "+ keySet.toArray()[0]);
InputStream inputStream = process.getInputStream();
InputStreamReader reader=new InputStreamReader(inputStream,"gbk");
BufferedReader reader2=new BufferedReader(reader);
String readLine =null;
int i=0;
while((readLine= reader2.readLine())!=null && i== 0) {
if(readLine.indexOf("(") != -1){
readLine =readLine.substring(readLine.indexOf("(")+1, readLine.indexOf(")"));
break;
}
}
process.destroyForcibly();
return readLine;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public static void updateDomainIp() {
String ip = getIp();
if(CURRENT_IP == null) {
CURRENT_IP = pingAndGetIp();
}
System.out.println("oldIp:"+CURRENT_IP+",newIp:"+ip);
if(!ip.equals(CURRENT_IP)) {
UpdateDomainRecordRequest request;
UpdateDomainRecordResponse response;
String aa = "";
for (String updateDomian : UPDATE_DOMIANS.keySet()) {
if(UPDATE_DOMIANS.get(updateDomian) == null) {
UPDATE_DOMIANS.put(updateDomian, getSubDomainRecord(updateDomian).getRecordId());
}
aa = updateDomian.replaceAll(DOMIAN, "").equals("") ? "@" : updateDomian.replaceAll("."+DOMIAN, "");
request = new UpdateDomainRecordRequest();
request.setRecordId(UPDATE_DOMIANS.get(updateDomian));
request.setRR(aa);
request.setType("A");
request.setValue(ip);
try {
response = client.getAcsResponse(request);
System.out.println("成功把"+updateDomian+"的域名的ip解析成"+ip+",历史ip为："+CURRENT_IP);
System.out.println(response.getRequestId());
} catch (ServerException e) {
e.printStackTrace();
} catch (ClientException e) {
e.printStackTrace();
}
}
}
}
public static String getIp() {
String ip = HttpUtil.get("http://ip.3322.net");
return ip;
}
/**
* 3分钟一次
*/
@Scheduled(cron = "0 */3 * * * *")
public void scheduled() {
UpdateDoaminIpStarted.updateDomainIp();
}
public static void main(String[] args) {
// updateDomainIp();//直接执行
SpringApplication.run(UpdateDoaminIpStarted.class, args); //boot运行方式
}
}
maven打包后，在内网运行java -jarupdate-domain-ip.jar即可。 只要外网IP改变，它就会改变。 每 3 分钟扫描一次。 对于时效性要求较高的阿里云修改域名模板，可以提高扫描速度。 频率
外部网络需要通过域名来访问。 IP改变也没关系。 无论如何，你只关心域名。