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# 与 Amazon SDK `DeleteSubscriptionFilter` 配合使用
<a name="example_cloudwatch-logs_DeleteSubscriptionFilter_section"></a>

以下代码示例演示如何使用 `DeleteSubscriptionFilter`。

------
#### [ C\$1\$1 ]

**SDK for C\$1\$1**  
 还有更多相关信息 GitHub。在 [Amazon 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/cpp/example_code/cloudwatch-logs#code-examples) 中查找完整示例，了解如何进行设置和运行。
包含所需的文件。  

```
#include <aws/core/Aws.h>
#include <aws/core/utils/Outcome.h>
#include <aws/logs/CloudWatchLogsClient.h>
#include <aws/logs/model/DeleteSubscriptionFilterRequest.h>
#include <iostream>
```
删除订阅筛选条件。  

```
        Aws::CloudWatchLogs::CloudWatchLogsClient cwl;
        Aws::CloudWatchLogs::Model::DeleteSubscriptionFilterRequest request;
        request.SetFilterName(filter_name);
        request.SetLogGroupName(log_group);

        auto outcome = cwl.DeleteSubscriptionFilter(request);
        if (!outcome.IsSuccess()) {
            std::cout << "Failed to delete CloudWatch log subscription filter "
                << filter_name << ": " << outcome.GetError().GetMessage() <<
                std::endl;
        } else {
            std::cout << "Successfully deleted CloudWatch logs subscription " <<
                "filter " << filter_name << std::endl;
        }
```
+  有关 API 的详细信息，请参阅 *适用于 C\$1\$1 的 Amazon SDK API 参考[DeleteSubscriptionFilter](https://docs.amazonaws.cn/goto/SdkForCpp/logs-2014-03-28/DeleteSubscriptionFilter)*中的。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 还有更多相关信息 GitHub。在 [Amazon 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/cloudwatch-logs#code-examples)中查找完整示例，了解如何进行设置和运行。

```
import software.amazon.awssdk.services.cloudwatch.model.CloudWatchException;
import software.amazon.awssdk.services.cloudwatchlogs.CloudWatchLogsClient;
import software.amazon.awssdk.services.cloudwatchlogs.model.DeleteSubscriptionFilterRequest;

/**
 * Before running this Java V2 code example, set up your development
 * environment, including your credentials.
 *
 * For more information, see the following documentation topic:
 *
 * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html
 */
public class DeleteSubscriptionFilter {
    public static void main(String[] args) {
        final String usage = """

                Usage:
                  <filter> <logGroup>

                Where:
                  filter - The name of the subscription filter (for example, MyFilter).
                  logGroup - The name of the log group. (for example, testgroup).
                """;

        if (args.length != 2) {
            System.out.println(usage);
            System.exit(1);
        }

        String filter = args[0];
        String logGroup = args[1];
        CloudWatchLogsClient logs = CloudWatchLogsClient.builder()
                .build();

        deleteSubFilter(logs, filter, logGroup);
        logs.close();
    }

    public static void deleteSubFilter(CloudWatchLogsClient logs, String filter, String logGroup) {
        try {
            DeleteSubscriptionFilterRequest request = DeleteSubscriptionFilterRequest.builder()
                    .filterName(filter)
                    .logGroupName(logGroup)
                    .build();

            logs.deleteSubscriptionFilter(request);
            System.out.printf("Successfully deleted CloudWatch logs subscription filter %s", filter);

        } catch (CloudWatchException e) {
            System.err.println(e.awsErrorDetails().errorMessage());
            System.exit(1);
        }
    }
}
```
+  有关 API 的详细信息，请参阅 *Amazon SDK for Java 2.x API 参考[DeleteSubscriptionFilter](https://docs.amazonaws.cn/goto/SdkForJavaV2/logs-2014-03-28/DeleteSubscriptionFilter)*中的。

------
#### [ JavaScript ]

**适用于 JavaScript (v3) 的软件开发工具包**  
 还有更多相关信息 GitHub。在 [Amazon 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javascriptv3/example_code/cloudwatch-logs#code-examples)中查找完整示例，了解如何进行设置和运行。

```
import { DeleteSubscriptionFilterCommand } from "@aws-sdk/client-cloudwatch-logs";
import { client } from "../libs/client.js";

const run = async () => {
  const command = new DeleteSubscriptionFilterCommand({
    // The name of the filter.
    filterName: process.env.CLOUDWATCH_LOGS_FILTER_NAME,
    // The name of the log group.
    logGroupName: process.env.CLOUDWATCH_LOGS_LOG_GROUP,
  });

  try {
    return await client.send(command);
  } catch (err) {
    console.error(err);
  }
};

export default run();
```
+  有关 API 的详细信息，请参阅 *适用于 JavaScript 的 Amazon SDK API 参考[DeleteSubscriptionFilter](https://docs.amazonaws.cn/AWSJavaScriptSDK/v3/latest/client/cloudwatch-logs/command/DeleteSubscriptionFilterCommand)*中的。

**适用于 JavaScript (v2) 的软件开发工具包**  
 还有更多相关信息 GitHub。在 [Amazon 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javascript/example_code/cloudwatch-logs#code-examples)中查找完整示例，了解如何进行设置和运行。

```
// Load the AWS SDK for Node.js
var AWS = require("aws-sdk");
// Set the region
AWS.config.update({ region: "REGION" });

// Create the CloudWatchLogs service object
var cwl = new AWS.CloudWatchLogs({ apiVersion: "2014-03-28" });

var params = {
  filterName: "FILTER",
  logGroupName: "LOG_GROUP",
};

cwl.deleteSubscriptionFilter(params, function (err, data) {
  if (err) {
    console.log("Error", err);
  } else {
    console.log("Success", data);
  }
});
```
+  有关更多信息，请参阅《适用于 JavaScript 的 Amazon SDK 开发人员指南》[https://docs.amazonaws.cn/sdk-for-javascript/v2/developer-guide/cloudwatch-examples-subscriptions.html#cloudwatch-examples-subscriptions-deleting](https://docs.amazonaws.cn/sdk-for-javascript/v2/developer-guide/cloudwatch-examples-subscriptions.html#cloudwatch-examples-subscriptions-deleting)。
+  有关 API 的详细信息，请参阅 *适用于 JavaScript 的 Amazon SDK API 参考[DeleteSubscriptionFilter](https://docs.amazonaws.cn/goto/AWSJavaScriptSDK/logs-2014-03-28/DeleteSubscriptionFilter)*中的。

------
#### [ Kotlin ]

**适用于 Kotlin 的 SDK**  
 还有更多相关信息 GitHub。在 [Amazon 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/kotlin/services/cloudwatch#code-examples)中查找完整示例，了解如何进行设置和运行。

```
suspend fun deleteSubFilter(
    filter: String?,
    logGroup: String?,
) {
    val request =
        DeleteSubscriptionFilterRequest {
            filterName = filter
            logGroupName = logGroup
        }

    CloudWatchLogsClient.fromEnvironment { region = "us-west-2" }.use { logs ->
        logs.deleteSubscriptionFilter(request)
        println("Successfully deleted CloudWatch logs subscription filter named $filter")
    }
}
```
+  有关 API 的详细信息，请参阅适用[DeleteSubscriptionFilter](https://sdk.amazonaws.com/kotlin/api/latest/index.html)于 K *otlin 的Amazon SDK API 参考*。

------

有关 S Amazon DK 开发者指南和代码示例的完整列表，请参阅[在 Amazon SDK 中使用 CloudWatch 日志](sdk-general-information-section.md)。本主题还包括有关入门的信息以及有关先前的 SDK 版本的详细信息。