(MFC) OSS Download String (Alibaba Cloud)

See more Alibaba Cloud OSS Examples

Demonstrates how to download a textual object into a string variable.

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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example assumes 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 = "orchard.json";

    // This is the byte representation of the text file downloaded from Aliyun.
    // It must be specified to allow Chilkat to correctly interpret the bytes as characters.
    const char *charset = "utf-8";

    const char *fileContents = http.s3_DownloadString(bucketName,objectName,charset);

    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
    }
    else {
        strOut.append(fileContents);
        strOut.append("\r\n");
        strOut.append("Success.");
        strOut.append("\r\n");
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }