Object Storage Service:QR code recognition

import com.aliyun.oss.ClientBuilderConfiguration;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.common.comm.SignVersion;
import com.aliyun.oss.model.OSSObject;
import com.aliyun.oss.model.GetObjectRequest;
import com.aliyuncs.exceptions.ClientException;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

public class Demo {
    public static void main(String[] args) throws ClientException {
        // Set endpoint to the endpoint of the region where the bucket is located.
        String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
        // Specify the region information that corresponds to the endpoint, for example, cn-hangzhou.
        String region = "cn-hangzhou";
        // Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
        EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();
        // Specify the bucket name.
        String bucketName = "examplebucket";
        // If the image is in the root directory of the bucket, specify the image name. If the image is not in the root directory, specify the full path, such as exampledir/example.jpg.
        String key = "example.jpg";

        // Create an OSSClient instance.
  // When the OSSClient instance is no longer in use, call the shutdown method to release resources.
        ClientBuilderConfiguration clientBuilderConfiguration = new ClientBuilderConfiguration();
        clientBuilderConfiguration.setSignatureVersion(SignVersion.V4);
        OSS ossClient = OSSClientBuilder.create()
                .endpoint(endpoint)
                .credentialsProvider(credentialsProvider)
                .clientConfiguration(clientBuilderConfiguration)
                .region(region)
                .build();

        try {
            // Build the processing instruction for QR code recognition.
            GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
            getObjectRequest.setProcess("image/codes");

            // Use the getObject method and pass the processing instruction in the process parameter.
            OSSObject ossObject = ossClient.getObject(getObjectRequest);

            // Read and print the information.
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = ossObject.getObjectContent().read(buffer)) != -1) {
                baos.write(buffer, 0, bytesRead);
            }
            String imageCodes = baos.toString("UTF-8");
            System.out.println("Image Codes:");
            System.out.println(imageCodes);
        } catch (IOException e) {
            System.out.println("Error: " + e.getMessage());
        } finally {
            // Shut down the OSSClient.
            ossClient.shutdown();
        }
    }
}

# -*- coding: utf-8 -*-
import oss2
from oss2.credentials import EnvironmentVariableCredentialsProvider

# Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
auth = oss2.ProviderAuthV4(EnvironmentVariableCredentialsProvider())

# Set endpoint to the endpoint of the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com.
endpoint = 'https://oss-cn-hangzhou.aliyuncs.com'
# Specify the general-purpose region ID of Alibaba Cloud.
region = 'cn-hangzhou'
bucket = oss2.Bucket(auth, endpoint, 'examplebucket', region=region)

# If the image is in the root directory of the bucket, specify the image name. If the image is not in the root directory, specify the full path, such as exampledir/example.jpg.
key = 'example.jpg'

# Build the processing instruction for QR code recognition.
process = 'image/codes'

try:
    # Use the get_object method and pass the processing instruction in the process parameter.
    result = bucket.get_object(key, process=process)

    # Read and print the information.
    image_codes = result.read().decode('utf-8')
    print("Image Codes:")
    print(image_codes)
except oss2.exceptions.OssError as e:
    print("Error:", e)

package main

import (
	"fmt"
	"io"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain temporary access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Create an OSSClient instance.
	// Set endpoint to the endpoint of the bucket. For example, if the bucket is in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. Set the endpoint based on your actual region.
	// Specify the general-purpose region ID of Alibaba Cloud, for example, cn-hangzhou.
	client, err := oss.New("https://oss-cn-hangzhou.aliyuncs.com", "", "", oss.SetCredentialsProvider(&provider), oss.AuthVersion(oss.AuthV4), oss.Region("cn-hangzhou"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Specify the bucket name, for example, examplebucket.
	bucketName := "examplebucket"

	bucket, err := client.Bucket(bucketName)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// If the image is in the root directory of the bucket, specify the image name. If the image is not in the root directory, specify the full path, such as exampledir/example.jpg.
	// Use the oss.Process method to build the processing instruction for QR code recognition.
	body, err := bucket.GetObject("example.jpg", oss.Process("image/codes"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	defer body.Close()

	data, err := io.ReadAll(body)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	fmt.Println("data:", string(data))
}

<?php
if (is_file(__DIR__ . '/../autoload.php')) {
    require_once __DIR__ . '/../autoload.php';
}
if (is_file(__DIR__ . '/../vendor/autoload.php')) {
    require_once __DIR__ . '/../vendor/autoload.php';
}
use OSS\Credentials\EnvironmentVariableCredentialsProvider;
use OSS\OssClient;

try {
    // Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
    $provider = new EnvironmentVariableCredentialsProvider(); 
    // Set endpoint to the endpoint of the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com.
    $endpoint = 'https://oss-cn-hangzhou.aliyuncs.com';
    // Specify the bucket name, for example, examplebucket.
    $bucket = 'examplebucket';
    // If the image is in the root directory of the bucket, specify the image name. If the image is not in the root directory, specify the full path, such as exampledir/example.jpg.
    $key = 'example.jpg'; 

    $config = array(
        "provider" => $provider,
        "endpoint" => $endpoint,        
        "signatureVersion" => OssClient::OSS_SIGNATURE_VERSION_V4,
        // Specify the general-purpose region ID of Alibaba Cloud.
        "region" => "cn-hangzhou"
    );
    $ossClient = new OssClient($config);
  // Build the processing instruction for QR code recognition.
  $options[$ossClient::OSS_PROCESS] = "image/codes";
  $result = $ossClient->getObject($bucket,$key,$options);
  var_dump($result);
} catch (OssException $e) {
  printf($e->getMessage() . "\n");
  return;
}