本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 中的公用程式模組 適用於 C\$1\$1 的 AWS SDK
<a name="utility-modules"></a>

 適用於 C\$1\$1 的 AWS SDK 包含許多[公用程式模組](https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/namespace_aws_1_1_utils.html)，可減少在 C\$1\$1 中開發 AWS 應用程式的複雜性。

## HTTP 堆疊
<a name="http-stack"></a>

提供連線集區的 HTTP 堆疊可安全執行緒，並可視需要重複使用。如需詳細資訊，請參閱[AWS 用戶端組態](client-config.md)。


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|  標頭  |   [https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/http](https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/http)   | 
|  API 文件  |   [https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/namespace_aws_1_1_http.html](https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/namespace_aws_1_1_http.html)   | 

## String Utils
<a name="string-utils"></a>

核心字串函數，例如 `trim`、 `lowercase`和數值轉換。


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|  標頭  |   [https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/StringUtils.h](https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/StringUtils.h)   | 
|  API 文件  |   [https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/class_aws_1_1_utils_1_1_string_utils.html](https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/class_aws_1_1_utils_1_1_string_utils.html)   | 

## 雜湊 Utils
<a name="hashing-utils"></a>

雜湊函數，例如 `SHA256`、`Base64`、 `MD5`和 `SHA256_HMAC`。


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|  標頭  |   [https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/HashingUtils.h](https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/HashingUtils.h)   | 
|  API 文件  |   [https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/class_aws_1_1_utils_1_1_hashing_utils.html](https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/class_aws_1_1_utils_1_1_hashing_utils.html)   | 

## JSON 剖析器
<a name="json-parser"></a>

功能完整但輕量的 JSON 剖析器 （圍繞 的薄包裝函式*`cJSON`*)。


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|  標頭  |   [https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/json/JsonSerializer.h](https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/json/JsonSerializer.h)   | 
|  API 文件  |   [https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/class_aws_1_1_utils_1_1_json_1_1_json_value.html](https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/class_aws_1_1_utils_1_1_json_1_1_json_value.html)   | 

## XML 剖析器
<a name="xml-parser"></a>

輕量型 XML 剖析器 （圍繞 的薄包裝函式*`tinyxml2`*)。[RAII 模式](http://en.cppreference.com/w/cpp/language/raii)已新增至界面。


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| --- |--- |
|  標頭  |   [https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/xml/XmlSerializer.h](https://github.com/aws/aws-sdk-cpp/tree/master/aws-cpp-sdk-core/include/aws/core/utils/xml/XmlSerializer.h)   | 
|  API 文件  |   [https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/namespace_aws_1_1_utils_1_1_xml.html](https://docs.aws.amazon.com/sdk-for-cpp/latest/api/aws-cpp-sdk-core/html/namespace_aws_1_1_utils_1_1_xml.html)   |