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)。
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# 与 AWS SDK `DescribeVoices` 配合使用
以下代码示例演示如何使用 `DescribeVoices`。
------
#### [ .NET ]
**适用于 .NET 的 SDK**
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/dotnetv3/Polly#code-examples)中查找完整示例，了解如何进行设置和运行。
```
using System;
using System.Threading.Tasks;
using Amazon.Polly;
using Amazon.Polly.Model;
public class DescribeVoices
{
public static async Task Main()
{
var client = new AmazonPollyClient();
var allVoicesRequest = new DescribeVoicesRequest();
var enUsVoicesRequest = new DescribeVoicesRequest()
{
LanguageCode = "en-US",
};
try
{
string nextToken;
do
{
var allVoicesResponse = await client.DescribeVoicesAsync(allVoicesRequest);
nextToken = allVoicesResponse.NextToken;
allVoicesRequest.NextToken = nextToken;
Console.WriteLine("\nAll voices: ");
allVoicesResponse.Voices.ForEach(voice =>
{
DisplayVoiceInfo(voice);
});
}
while (nextToken is not null);
do
{
var enUsVoicesResponse = await client.DescribeVoicesAsync(enUsVoicesRequest);
nextToken = enUsVoicesResponse.NextToken;
enUsVoicesRequest.NextToken = nextToken;
Console.WriteLine("\nen-US voices: ");
enUsVoicesResponse.Voices.ForEach(voice =>
{
DisplayVoiceInfo(voice);
});
}
while (nextToken is not null);
}
catch (Exception ex)
{
Console.WriteLine("Exception caught: " + ex.Message);
}
}
public static void DisplayVoiceInfo(Voice voice)
{
Console.WriteLine($" Name: {voice.Name}\tGender: {voice.Gender}\tLanguageName: {voice.LanguageName}");
}
}
```
+ 有关 API 的详细信息，请参阅 *适用于 .NET 的 AWS SDK API 参考[DescribeVoices](https://docs.aws.amazon.com/goto/DotNetSDKV3/polly-2016-06-10/DescribeVoices)*中的。
------
#### [ Java ]
**适用于 Java 的 SDK 2.x**
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/javav2/example_code/polly#code-examples)中查找完整示例，了解如何进行设置和运行。
```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.polly.PollyClient;
import software.amazon.awssdk.services.polly.model.DescribeVoicesRequest;
import software.amazon.awssdk.services.polly.model.DescribeVoicesResponse;
import software.amazon.awssdk.services.polly.model.PollyException;
import software.amazon.awssdk.services.polly.model.Voice;
import java.util.List;
/**
* 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 DescribeVoicesSample {
public static void main(String args[]) {
PollyClient polly = PollyClient.builder()
.region(Region.US_WEST_2)
.build();
describeVoice(polly);
polly.close();
}
public static void describeVoice(PollyClient polly) {
try {
DescribeVoicesRequest voicesRequest = DescribeVoicesRequest.builder()
.languageCode("en-US")
.build();
DescribeVoicesResponse enUsVoicesResult = polly.describeVoices(voicesRequest);
List voices = enUsVoicesResult.voices();
for (Voice myVoice : voices) {
System.out.println("The ID of the voice is " + myVoice.id());
System.out.println("The gender of the voice is " + myVoice.gender());
}
} catch (PollyException e) {
System.err.println("Exception caught: " + e);
System.exit(1);
}
}
}
```
+ 有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[DescribeVoices](https://docs.aws.amazon.com/goto/SdkForJavaV2/polly-2016-06-10/DescribeVoices)*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/polly#code-examples)中查找完整示例，了解如何进行设置和运行。
```
class PollyWrapper:
"""Encapsulates Amazon Polly functions."""
def __init__(self, polly_client, s3_resource):
"""
:param polly_client: A Boto3 Amazon Polly client.
:param s3_resource: A Boto3 Amazon Simple Storage Service (Amazon S3) resource.
"""
self.polly_client = polly_client
self.s3_resource = s3_resource
self.voice_metadata = None
def describe_voices(self):
"""
Gets metadata about available voices.
:return: The list of voice metadata.
"""
try:
response = self.polly_client.describe_voices()
self.voice_metadata = response["Voices"]
logger.info("Got metadata about %s voices.", len(self.voice_metadata))
except ClientError:
logger.exception("Couldn't get voice metadata.")
raise
else:
return self.voice_metadata
```
+ 有关 API 的详细信息，请参阅适用[DescribeVoices](https://docs.aws.amazon.com/goto/boto3/polly-2016-06-10/DescribeVoices)于 *Python 的AWS SDK (Boto3) API 参考*。
------
#### [ Ruby ]
**适用于 Ruby 的 SDK**
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/ruby/example_code/polly#code-examples)中查找完整示例，了解如何进行设置和运行。
```
require 'aws-sdk-polly' # In v2: require 'aws-sdk'
begin
# Create an Amazon Polly client using
# credentials from the shared credentials file ~/.aws/credentials
# and the configuration (region) from the shared configuration file ~/.aws/config
polly = Aws::Polly::Client.new
# Get US English voices
resp = polly.describe_voices(language_code: 'en-US')
resp.voices.each do |v|
puts v.name
puts " #{v.gender}"
puts
end
rescue StandardError => e
puts 'Could not get voices'
puts 'Error message:'
puts e.message
end
```
+ 有关 API 的详细信息，请参阅 *适用于 Ruby 的 AWS SDK API 参考[DescribeVoices](https://docs.aws.amazon.com/goto/SdkForRubyV3/polly-2016-06-10/DescribeVoices)*中的。
------
#### [ Rust ]
**适用于 Rust 的 SDK**
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/rustv1/examples/polly#code-examples)中查找完整示例，了解如何进行设置和运行。
```
async fn list_voices(client: &Client) -> Result<(), Error> {
let resp = client.describe_voices().send().await?;
println!("Voices:");
let voices = resp.voices();
for voice in voices {
println!(" Name: {}", voice.name().unwrap_or("No name!"));
println!(
" Language: {}",
voice.language_name().unwrap_or("No language!")
);
println!();
}
println!("Found {} voices", voices.len());
Ok(())
}
```
+ 有关 API 的详细信息，请参阅适用[DescribeVoices](https://docs.rs/aws-sdk-polly/latest/aws_sdk_polly/client/struct.Client.html#method.describe_voices)于 *Rust 的AWS SDK API 参考*。
------
#### [ SAP ABAP ]
**适用于 SAP ABAP 的 SDK**
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/sap-abap/services/ply#code-examples)中查找完整示例，了解如何进行设置和运行。
```
TRY.
" Only pass optional parameters if they have values
IF iv_engine IS NOT INITIAL AND iv_language IS NOT INITIAL.
oo_result = lo_ply->describevoices(
iv_engine = iv_engine
iv_languagecode = iv_language ).
ELSEIF iv_engine IS NOT INITIAL.
oo_result = lo_ply->describevoices(
iv_engine = iv_engine ).
ELSEIF iv_language IS NOT INITIAL.
oo_result = lo_ply->describevoices(
iv_languagecode = iv_language ).
ELSE.
oo_result = lo_ply->describevoices( ).
ENDIF.
MESSAGE 'Retrieved voice metadata.' TYPE 'I'.
CATCH /aws1/cx_plyinvalidnexttokenex.
MESSAGE 'The NextToken is invalid.' TYPE 'E'.
CATCH /aws1/cx_plyservicefailureex.
MESSAGE 'Service failure occurred.' TYPE 'E'.
ENDTRY.
```
+ 有关 API 的详细信息，请参阅适用[DescribeVoices](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)于 S *AP 的AWS SDK ABAP API 参考*。
------