(C++) OSS Download File (Alibaba Cloud)

See more Alibaba Cloud OSS Examples

Demonstrates how to download a file from an AliCloud OSS bucket.

The Chilkat S3 functions in the HTTP class are compatible with Alibaba Cloud's OSS service.

Chilkat C/C++ Library Downloads
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#include <CkHttp.h>

void ChilkatSample(void)
    {
    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;

    // Insert your AccessKey ID here:
    http.put_AwsAccessKey("access-key");

    // Insert your AccessKey Secret here:
    http.put_AwsSecretKey("secret-key");

    // To download from a bucket located in a different region, use the endpoint for that region, such as "oss-cn-hangzhou.aliyuncs.com 	"
    // See Alibaba Object Storage Service Regions and Endpoints
    http.put_AwsEndpoint("oss-us-east-1.aliyuncs.com");

    const char *bucketName = "chilkat";
    const char *objectName = "seahorse.jpg";
    const char *localFilePath = "qa_output/seahorse.jpg";

    bool success = http.S3_DownloadFile(bucketName,objectName,localFilePath);
    if (success != true) {
        std::cout << http.lastErrorText() << "\r\n";
    }
    else {
        std::cout << "File downloaded." << "\r\n";
    }
    }