AWS 文檔 AWS SDK示例 GitHub 回購中有更多SDK示例。
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。
使用 Amazon Rekognition 的程式碼範例 AWS SDKs
下列程式碼範例說明如何搭配 AWS 軟體開發套件使用 Amazon Rekognition ()。SDK
Actions 是大型程式的程式碼摘錄,必須在內容中執行。雖然動作會告訴您如何呼叫個別服務函數,但您可以在其相關情境和跨服務範例中查看內容中的動作。
Scenarios (案例) 是向您展示如何呼叫相同服務中的多個函數來完成特定任務的程式碼範例。
Cross-service examples (跨服務範例) 是跨多個 AWS 服務執行的應用程式範例。
開始使用
下列程式碼範例顯示如何開始使用 Amazon Rekognition。
- C++
-
- SDK對於 C ++
-
CMakeLists.txt CMake 檔案的程式碼。
# Set the minimum required version of CMake for this project.
cmake_minimum_required(VERSION 3.13)
# Set the AWS service components used by this project.
set(SERVICE_COMPONENTS rekognition)
# Set this project's name.
project("hello_rekognition")
# Set the C++ standard to use to build this target.
# At least C++ 11 is required for the AWS SDK for C++.
set(CMAKE_CXX_STANDARD 11)
# Use the MSVC variable to determine if this is a Windows build.
set(WINDOWS_BUILD ${MSVC})
if (WINDOWS_BUILD) # Set the location where CMake can find the installed libraries for the AWS SDK.
string(REPLACE ";" "/aws-cpp-sdk-all;" SYSTEM_MODULE_PATH "${CMAKE_SYSTEM_PREFIX_PATH}/aws-cpp-sdk-all")
list(APPEND CMAKE_PREFIX_PATH ${SYSTEM_MODULE_PATH})
endif ()
# Find the AWS SDK for C++ package.
find_package(AWSSDK REQUIRED COMPONENTS ${SERVICE_COMPONENTS})
if (WINDOWS_BUILD AND AWSSDK_INSTALL_AS_SHARED_LIBS)
# Copy relevant AWS SDK for C++ libraries into the current binary directory for running and debugging.
# set(BIN_SUB_DIR "/Debug") # If you are building from the command line, you may need to uncomment this
# and set the proper subdirectory to the executables' location.
AWSSDK_CPY_DYN_LIBS(SERVICE_COMPONENTS "" ${CMAKE_CURRENT_BINARY_DIR}${BIN_SUB_DIR})
endif ()
add_executable(${PROJECT_NAME}
hello_rekognition.cpp)
target_link_libraries(${PROJECT_NAME}
${AWSSDK_LINK_LIBRARIES})
hello_rekognition.cpp 來源檔案的程式碼。
#include <aws/core/Aws.h>
#include <aws/rekognition/RekognitionClient.h>
#include <aws/rekognition/model/ListCollectionsRequest.h>
#include <iostream>
/*
* A "Hello Rekognition" starter application which initializes an Amazon Rekognition client and
* lists the Amazon Rekognition collections in the current account and region.
*
* main function
*
* Usage: 'hello_rekognition'
*
*/
int main(int argc, char **argv) {
Aws::SDKOptions options;
// Optional: change the log level for debugging.
// options.loggingOptions.logLevel = Aws::Utils::Logging::LogLevel::Debug;
Aws::InitAPI(options); // Should only be called once.
{
Aws::Client::ClientConfiguration clientConfig;
// Optional: Set to the AWS Region (overrides config file).
// clientConfig.region = "us-east-1";
Aws::Rekognition::RekognitionClient rekognitionClient(clientConfig);
Aws::Rekognition::Model::ListCollectionsRequest request;
Aws::Rekognition::Model::ListCollectionsOutcome outcome =
rekognitionClient.ListCollections(request);
if (outcome.IsSuccess()) {
const Aws::Vector<Aws::String>& collectionsIds = outcome.GetResult().GetCollectionIds();
if (!collectionsIds.empty()) {
std::cout << "collectionsIds: " << std::endl;
for (auto &collectionId : collectionsIds) {
std::cout << "- " << collectionId << std::endl;
}
} else {
std::cout << "No collections found" << std::endl;
}
} else {
std::cerr << "Error with ListCollections: " << outcome.GetError()
<< std::endl;
}
}
Aws::ShutdownAPI(options); // Should only be called once.
return 0;
}