文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

# `DeleteTopicRule`与 AWS SDK 或 CLI 配合使用
<a name="iot_example_iot_DeleteTopicRule_section"></a>

以下代码示例演示如何使用 `DeleteTopicRule`。

操作示例是大型程序的代码摘录，必须在上下文中运行。在以下代码示例中，您可以查看此操作的上下文：
+  [了解基本功能](iot_example_iot_Scenario_section.md) 

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

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

```
//! Delete an AWS IoT rule.
/*!
  \param ruleName: The name for the rule.
  \param clientConfiguration: AWS client configuration.
  \return bool: Function succeeded.
 */
bool AwsDoc::IoT::deleteTopicRule(const Aws::String &ruleName,
                                  const Aws::Client::ClientConfiguration &clientConfiguration) {
    Aws::IoT::IoTClient iotClient(clientConfiguration);
    Aws::IoT::Model::DeleteTopicRuleRequest request;
    request.SetRuleName(ruleName);

    Aws::IoT::Model::DeleteTopicRuleOutcome outcome = iotClient.DeleteTopicRule(
            request);
    if (outcome.IsSuccess()) {
        std::cout << "Successfully deleted rule " << ruleName << std::endl;
    }
    else {
        std::cerr << "Failed to delete rule " << ruleName <<
                  ": " << outcome.GetError().GetMessage() << std::endl;
    }

    return outcome.IsSuccess();
}
```
+  有关 API 的详细信息，请参阅 *适用于 C\$1\$1 的 AWS SDK API 参考[DeleteTopicRule](https://docs.aws.amazon.com/goto/SdkForCpp/iot-2015-05-28/DeleteTopicRule)*中的。

------
#### [ CLI ]

**AWS CLI**  
**删除规则**  
以下 `delete-topic-rule` 示例删除指定规则。  

```
aws iot delete-topic-rule \
    --rule-name "LowMoistureRule"
```
此命令不生成任何输出。  
有关更多信息，请参阅*《AWS 物联网开发人员指南》*中的[删除规则](https://docs.aws.amazon.com/iot/latest/developerguide/iot-delete-rule.html)。  
+  有关 API 的详细信息，请参阅*AWS CLI 命令参考[DeleteTopicRule](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/iot/delete-topic-rule.html)*中的。

------
#### [ Python ]

**适用于 Python 的 SDK（Boto3）**  
 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/iot#code-examples)中查找完整示例，了解如何进行设置和运行。

```
class IoTWrapper:
    """Encapsulates AWS IoT actions."""

    def __init__(self, iot_client, iot_data_client=None):
        """
        :param iot_client: A Boto3 AWS IoT client.
        :param iot_data_client: A Boto3 AWS IoT Data Plane client.
        """
        self.iot_client = iot_client
        self.iot_data_client = iot_data_client

    @classmethod
    def from_client(cls):
        iot_client = boto3.client("iot")
        iot_data_client = boto3.client("iot-data")
        return cls(iot_client, iot_data_client)

    def delete_topic_rule(self, rule_name):
        """
        Deletes an AWS IoT topic rule.

        :param rule_name: The name of the rule to delete.
        """
        try:
            self.iot_client.delete_topic_rule(ruleName=rule_name)
            logger.info("Deleted topic rule %s.", rule_name)
        except ClientError as err:
            logger.error(
                "Couldn't delete topic rule. Here's why: %s: %s",
                err.response["Error"]["Code"],
                err.response["Error"]["Message"],
            )
            raise
```
+  有关 API 的详细信息，请参阅适用[DeleteTopicRule](https://docs.aws.amazon.com/goto/boto3/iot-2015-05-28/DeleteTopicRule)于 *Python 的AWS SDK (Boto3) API 参考*。

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