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JAVA 阿里云DNS

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1、阿里云DNS的SDK依赖

<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>tea-openapi</artifactId>
    <version>0.0.19</version>
</dependency>
<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>alidns20150109</artifactId>
    <version>2.0.1</version>
</dependency>

2、第一个方法：创建SDK客户端实例

所有解析记录的操作都要通过这个客户端实例来进行，所以要首先创建这个实例，需要阿里云的AccessKey（AppId和AppSecret）

/**
 * <p>
 * 创建客户端实例
 * </p>
 * 
 * @return
 * @throws Exception
 */
private Client createClient() throws Exception{
    AliConfig api = APIKit.getAliConfig(); //返回阿里云的AccessKey参数
    if(api == null) throw new ErrException("未配置阿里云API参数！");
    Config config = new Config();
    config.accessKeyId = api.getAppId();
    config.accessKeySecret = api.getAppSecret();
    config.endpoint = "alidns.cn-beijing.aliyuncs.com";
    return new Client(config);
}

3、第二个方法：返回指定的记录ID（RecordId）

在阿里云的SDK中，对解析记录进行修改和删除时，都需要传入 RecordId 这个参数，所以提前写一个获取记录ID的方法。

/**
 * <p>
 * 返回指定主机记录的ID，不存在时返回null
 * </p>
 * 
 * @param DomainName
 * @param RR 记录名称
 * @return
 */
private String getRecId(Client client, String DomainName, String RR){
    String recId = null;
    try {
        DescribeDomainRecordsRequest request = new DescribeDomainRecordsRequest();
        request.setDomainName(DomainName);
        request.setRRKeyWord(RR);
        DescribeDomainRecordsResponse response = client.describeDomainRecords(request);
        if(response.getBody().getTotalCount() > 0){
            List<DescribeDomainRecordsResponseBodyDomainRecordsRecord> recs = response.getBody().getDomainRecords().getRecord();
            for(DescribeDomainRecordsResponseBodyDomainRecordsRecord rec: recs){
                if(rec.getRR().equalsIgnoreCase(RR)){
                    recId = rec.getRecordId();
                    break;
                }
            }
        }
    } catch (Exception e) {
    }
    return recId;
}

4、第三个方法：添加或修改指定的记录

方便起见，这里我将添加和修改集成到了一个方法，相当于SaveOrUpdate。

/**
 * <p>
 * 添加或修改解析记录
 * </p>
 * 
 * @param DomainName 域名
 * @param RR 记录名称
 * @param Type 记录类型（A、AAAA、MX、TXT、CNAME）
 * @param Value 记录值
 */
public void update(String DomainName, String RR, String Type, String Value){
    try {
        if(EStr.isEmpty(DomainName)) throw new RuntimeException("域名（DomainName）为空！");
        if(EStr.isEmpty(RR)) throw new RuntimeException("主机记录（RR）为空！");
        if(EStr.isEmpty(Type)) throw new RuntimeException("记录类型（Type）为空！");
        if(EStr.isEmpty(Value)) throw new RuntimeException("记录值（Value）为空！");
        Client client = createClient();
        String recId = getRecId(client, DomainName, RR);
        if(EStr.isNull(recId)){ //添加
            AddDomainRecordRequest request = new AddDomainRecordRequest();
            request.setDomainName(DomainName);
            request.setRR(RR);
            request.setType(Type);
            request.setValue(Value);
            AddDomainRecordResponse response = client.addDomainRecord(request);
            recId = response.getBody().getRecordId();
        }else{ //修改
            UpdateDomainRecordRequest request = new UpdateDomainRecordRequest();
            request.setRecordId(recId);
            request.setRR(RR);
            request.setType(Type);
            request.setValue(Value);
            UpdateDomainRecordResponse response = client.updateDomainRecord(request);
            recId = response.getBody().getRecordId();
        }
        renderJson(Result.success("recId", recId));
    } catch (Exception e) {
        renderJson(Result.fail(e.getMessage()));
    }
}

5、第四个方法：删除指定的记录

这个很简单，根据查找到的RecordId直接删除即可。

/**
 * <p>
 * 删除记录
 * </p>
 * 
 * @param DomainName
 * @param RR
 */
public void remove(String DomainName, String RR){
    try {
        if(EStr.isEmpty(DomainName)) throw new RuntimeException("域名（DomainName）为空！");
        if(EStr.isEmpty(RR)) throw new RuntimeException("主机记录（RR）为空！");
        Client client = createClient();
        String recId = getRecId(client, DomainName, RR);
        if(EStr.isNull(recId)){
            renderJson(Result.success("recId", null));
        }else{
            DeleteDomainRecordRequest request = new DeleteDomainRecordRequest();
            request.setRecordId(recId);
            DeleteDomainRecordResponse response = client.deleteDomainRecord(request);
            renderJson(Result.success("recId", response.getBody().getRecordId()));
        }
    } catch (Exception e) {
        renderJson(Result.fail(e.getMessage()));
    }
}

6、完整代码

package itez.alidns.controller;
import java.util.List;
import com.aliyun.alidns20150109.Client;
import com.aliyun.alidns20150109.models.AddDomainRecordRequest;
import com.aliyun.alidns20150109.models.AddDomainRecordResponse;
import com.aliyun.alidns20150109.models.DeleteDomainRecordRequest;
import com.aliyun.alidns20150109.models.DeleteDomainRecordResponse;
import com.aliyun.alidns20150109.models.DescribeDomainRecordsRequest;
import com.aliyun.alidns20150109.models.DescribeDomainRecordsResponse;
import com.aliyun.alidns20150109.models.DescribeDomainRecordsResponseBody.DescribeDomainRecordsResponseBodyDomainRecordsRecord;
import com.aliyun.alidns20150109.models.UpdateDomainRecordRequest;
import com.aliyun.alidns20150109.models.UpdateDomainRecordResponse;
import com.aliyun.teaopenapi.models.Config;
 
import itez.core.wrapper.controller.ControllerDefine;
import itez.core.wrapper.controller.EController;
import itez.kit.EStr;
import itez.kit.exception.ErrException;
import itez.kit.restful.Result;
import itez.plat.main.model.CompWx;
import itez.plat.main.service.CompWxService;
import itez.weixin.api.ApiConfigKit.ConfigType;
 
/**
 * <p>
 * 阿里云DNS解析
 * 示例：http://localhost/alidns/update?DomainName=domain.com&RR=test&Type=A&Value=8.8.8.8
 * </p>
 * 
 * <p>Copyright(C) 2017-2022 <a href="http://www.itez.com.cn">上游科技</a></p>
 * 
 * @author        <a href="mailto:netwild@qq.com">Z.Mingyu</a>
 * @date        2022年1月12日 下午2:38:31
 */
@ControllerDefine(key = "/alidns", summary = "阿里云DNS解析", view = "/")
public class AliDnsController extends EController {
        
    /**
     * <p>
     * 添加或修改解析记录
     * </p>
     * 
     * @param DomainName 域名
     * @param RR 记录名称
     * @param Type 记录类型（A、AAAA、MX、TXT、CNAME）
     * @param Value 记录值
     */
    public void update(String DomainName, String RR, String Type, String Value){
        try {
            if(EStr.isEmpty(DomainName)) throw new RuntimeException("域名（DomainName）为空！");
            if(EStr.isEmpty(RR)) throw new RuntimeException("主机记录（RR）为空！");
            if(EStr.isEmpty(Type)) throw new RuntimeException("记录类型（Type）为空！");
            if(EStr.isEmpty(Value)) throw new RuntimeException("记录值（Value）为空！");
            Client client = createClient();
            String recId = getRecId(client, DomainName, RR);
            if(EStr.isNull(recId)){ //添加
                AddDomainRecordRequest request = new AddDomainRecordRequest();
                request.setDomainName(DomainName);
                request.setRR(RR);
                request.setType(Type);
                request.setValue(Value);
                AddDomainRecordResponse response = client.addDomainRecord(request);
                recId = response.getBody().getRecordId();
            }else{ //修改
                UpdateDomainRecordRequest request = new UpdateDomainRecordRequest();
                request.setRecordId(recId);
                request.setRR(RR);
                request.setType(Type);
                request.setValue(Value);
                UpdateDomainRecordResponse response = client.updateDomainRecord(request);
                recId = response.getBody().getRecordId();
            }
            renderJson(Result.success("recId", recId));
        } catch (Exception e) {
            renderJson(Result.fail(e.getMessage()));
        }
    }
    
    /**
     * <p>
     * 删除记录
     * </p>
     * 
     * @param DomainName
     * @param RR
     */
    public void remove(String DomainName, String RR){
        try {
            if(EStr.isEmpty(DomainName)) throw new RuntimeException("域名（DomainName）为空！");
            if(EStr.isEmpty(RR)) throw new RuntimeException("主机记录（RR）为空！");
            Client client = createClient();
            String recId = getRecId(client, DomainName, RR);
            if(EStr.isNull(recId)){
                renderJson(Result.success("recId", null));
            }else{
                DeleteDomainRecordRequest request = new DeleteDomainRecordRequest();
                request.setRecordId(recId);
                DeleteDomainRecordResponse response = client.deleteDomainRecord(request);
                renderJson(Result.success("recId", response.getBody().getRecordId()));
            }
        } catch (Exception e) {
            renderJson(Result.fail(e.getMessage()));
        }
    }
 
    /**
     * <p>
     * 返回指定主机记录的ID，不存在时返回null
     * </p>
     * 
     * @param DomainName
     * @param RR 记录名称
     * @return
     */
    private String getRecId(Client client, String DomainName, String RR){
        String recId = null;
        try {
            DescribeDomainRecordsRequest request = new DescribeDomainRecordsRequest();
            request.setDomainName(DomainName);
            request.setRRKeyWord(RR);
            DescribeDomainRecordsResponse response = client.describeDomainRecords(request);
            if(response.getBody().getTotalCount() > 0){
                List<DescribeDomainRecordsResponseBodyDomainRecordsRecord> recs = response.getBody().getDomainRecords().getRecord();
                for(DescribeDomainRecordsResponseBodyDomainRecordsRecord rec: recs){
                    if(rec.getRR().equalsIgnoreCase(RR)){
                        recId = rec.getRecordId();
                        break;
                    }
                }
            }
        } catch (Exception e) {
        }
        return recId;
    }
    
    /**
     * <p>
     * 创建客户端实例
     * </p>
     * 
     * @return
     * @throws Exception
     */
    private Client createClient() throws Exception{
        AliConfig api = APIKit.getAliConfig(); //返回阿里云的AccessKey参数
        if(api == null) throw new ErrException("未配置阿里云API参数！");
        Config config = new Config();
        config.accessKeyId = api.getAppId();
        config.accessKeySecret = api.getAppSecret();
        config.endpoint = "alidns.cn-beijing.aliyuncs.com";
        return new Client(config);
    }  
}

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