(Delphi DLL) OSS Upload String (Alibaba Cloud)

See more Alibaba Cloud OSS Examples

Demonstrates how to upload the contents of a string to an AliCloud OSS bucket.

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

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Xml, Http;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
bucketName: PWideChar;
objectName: PWideChar;
contentType: PWideChar;
jsonStr: PWideChar;
charset: PWideChar;
success: Boolean;
xml: HCkXml;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := CkHttp_Create();

// Insert your AccessKey ID here:
CkHttp_putAwsAccessKey(http,'access-key');

// Insert your AccessKey Secret here:
CkHttp_putAwsSecretKey(http,'secret-key');

// To upload to 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
CkHttp_putAwsEndpoint(http,'oss-us-east-1.aliyuncs.com');

bucketName := 'chilkat';
objectName := 'orchard.json';
contentType := 'application/json';

CkHttp_putKeepResponseBody(http,True);

// Let's say we have JSON in a string and want to upload it to a file in Aliyun..
jsonStr := '{ "orchard": "apple" }';

// The charset indicates the byte representation of what is uploaded.
// If needed, Chilkat will internally convert to the desired byte representation before uploading.
charset := 'utf-8';
success := CkHttp_S3_UploadString(http,jsonStr,charset,contentType,bucketName,objectName);

if (success <> True) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));

    xml := CkXml_Create();
    CkXml_LoadXml(xml,CkHttp__lastResponseBody(http));
    Memo1.Lines.Add(CkXml__getXml(xml));
  end
else
  begin
    Memo1.Lines.Add('String uploaded.');
  end;

CkHttp_Dispose(http);
    CkXml_Dispose(xml);

end;