查询用户实例示例

本章节对查询用户实例AK/SK方式使用SDK进行示例说明。

查询用户实例示例代码只需将AK/SK信息替换为实际AK/SK，代码中可以使用RunQueryInstanceRequest类的setInstanceName配置实例名称，配置完成后运行即可。

1. 查询用户实例调用示例代码如下：

   import com.alibaba.fastjson.JSON;
    
   import com.huaweicloud.sdk.core.auth.ICredential;
   import com.huaweicloud.sdk.core.auth.BasicCredentials;
   import com.huaweicloud.sdk.core.exception.ConnectionException;
   import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
   import com.huaweicloud.sdk.core.exception.ServiceResponseException;
   import com.huaweicloud.sdk.imagesearch.v1.*;
   import com.huaweicloud.sdk.imagesearch.v1.model.*;
   import com.huaweicloud.sdk.imagesearch.v1.region.ImageSearchRegion;
    
   /**
    * 查看用户指定实例详细信息。
    */
   public class RunQueryInstanceSolution {
       
       public static void main(String[] args) {
          // 认证用的ak和sk硬编码到代码中或者明文存储都有很大的安全风险，建议在配置文件或者环境变量中密文存放，使用时解密，确保安全
          // 本示例以ak和sk保存在环境变量中来实现身份验证为例，运行本示例前请先在本地环境中设置环境变量HUAWEICLOUD_SDK_AK和HUAWEICLOUD_SDK_SK
           String ak = System.getenv("HUAWEICLOUD_SDK_AK");
           String sk = System.getenv("HUAWEICLOUD_SDK_SK");
           
           ICredential auth = new BasicCredentials()
               .withAk(ak)
               .withSk(sk);
           
           ImageSearchClient client = ImageSearchClient.newBuilder()
               .withCredential(auth)
               //设置region, 示例中region为北京四
               .withRegion(ImageSearchRegion.valueOf("cn-north-4"))
               .build();
           RunQueryInstanceRequest request = new RunQueryInstanceRequest();
           //设置实例名称
           request.setInstanceName("instance-name");
           try {
               RunQueryInstanceResponse response = client.runQueryInstance(request);
               System.out.println(JSON.toJSONString(response));
           } catch (ConnectionException e) {
               e.printStackTrace();
           } catch (RequestTimeoutException e) {
               e.printStackTrace();
           } catch (ServiceResponseException e) {
               e.printStackTrace();
               System.out.println(e.getHttpStatusCode());
               System.out.println(e.getErrorCode());
               System.out.println(e.getErrorMsg());
           }
       }
   }

2. 执行示例代码文件，控制台输出查询用户实例结果即表示程序执行成功。查询用户实例结果输出到控制台。

   SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
   SLF4J: Defaulting to no-operation (NOP) logger implementation
   SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
   {"desc":"","domain":"通用图片搜索","expiredDate":-1,"httpStatusCode":200,"instanceName":"instance-name","level":30000000,"registerDate":1637230766199,"status":{"value":"NORMAL"},"tags":["animal","plant"]}
   Process finished with exit code 0