com.qcloud.cos.demo.ci.QRCodeDemo Maven / Gradle / Ivy

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java sdk for qcloud cos
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package com.qcloud.cos.demo.ci;

import com.qcloud.cos.COSClient;
import com.qcloud.cos.exception.CosClientException;
import com.qcloud.cos.exception.CosServiceException;
import com.qcloud.cos.model.COSObject;
import com.qcloud.cos.model.COSObjectInputStream;
import com.qcloud.cos.model.CompleteMultipartUploadRequest;
import com.qcloud.cos.model.CompleteMultipartUploadResult;
import com.qcloud.cos.model.GetObjectRequest;
import com.qcloud.cos.model.InitiateMultipartUploadRequest;
import com.qcloud.cos.model.InitiateMultipartUploadResult;
import com.qcloud.cos.model.PartETag;
import com.qcloud.cos.model.PutObjectRequest;
import com.qcloud.cos.model.PutObjectResult;
import com.qcloud.cos.model.UploadPartRequest;
import com.qcloud.cos.model.UploadPartResult;
import com.qcloud.cos.model.UploadResult;
import com.qcloud.cos.model.ciModel.image.GenerateQrcodeRequest;
import com.qcloud.cos.model.ciModel.persistence.CIObject;
import com.qcloud.cos.model.ciModel.persistence.CIUploadResult;
import com.qcloud.cos.model.ciModel.persistence.PicOperations;
import com.qcloud.cos.transfer.TransferManager;
import com.qcloud.cos.transfer.Upload;
import com.qcloud.cos.utils.IOUtils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;


public class QRCodeDemo {

    /**
     * 二维码生成 https://cloud.tencent.com/document/product/460/53491
     */
    public static void generateQrcode(COSClient cosClient) {
        //1.创建二维码生成请求对象
        GenerateQrcodeRequest request = new GenerateQrcodeRequest();
        //2.添加请求参数 参数详情请见api接口文档
        request.setBucketName("examplebucket-1250000000");
        request.setQrcodeContent("数据万象");
        request.setWidth("400");
        request.setMode("0");
        String imageBase64 = cosClient.generateQrcode(request);
        System.out.println(imageBase64);
    }

    /**
     * 下载时二维码识别 https://cloud.tencent.com/document/product/460/37513
     */
    public static void identifyQrCodeWithGetObject(COSClient cosClient) throws IOException {
        //图片所在bucket名称
        String bucketName = "examplebucket-1250000000";
        //图片在bucket中的相对位置，比如根目录下file文件夹中的demo.png路径为file/demo.png
        String key = "数据万象.png";
        GetObjectRequest request = new GetObjectRequest(bucketName, key);
        request.putCustomQueryParameter("ci-process", "QRcode");
        request.putCustomQueryParameter("cover", "0");
        COSObject object = cosClient.getObject(request);
        COSObjectInputStream content = object.getObjectContent();
        String response = IOUtils.toString(content);
        System.out.println(response);
    }

    public static void identifyQrCode(COSClient cosClient) {
        // bucket名需包含appid
        // api 请参考 https://cloud.tencent.com/document/product/436/54070
        String bucketName = "examplebucket-1250000000";

        String key = "qrcode.png";
        File localFile = new File("E://qrcode.png");
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
        PicOperations picOperations = new PicOperations();
        picOperations.setIsPicInfo(1);
        List ruleList = new LinkedList<>();
        PicOperations.Rule rule1 = new PicOperations.Rule();
        rule1.setBucket(bucketName);
        rule1.setFileId("qrcode-1.png");
        rule1.setRule("QRcode/cover/1");
        ruleList.add(rule1);
        picOperations.setRules(ruleList);
        putObjectRequest.setPicOperations(picOperations);
        try {
            PutObjectResult putObjectResult = cosClient.putObject(putObjectRequest);
            CIUploadResult ciUploadResult = putObjectResult.getCiUploadResult();
            System.out.println(putObjectResult.getRequestId());
            System.out.println(ciUploadResult.getOriginalInfo().getEtag());
            for (CIObject ciObject : ciUploadResult.getProcessResults().getObjectList()) {
                System.out.println(ciObject.getLocation());
            }
        } catch (CosServiceException e) {
            e.printStackTrace();
        } catch (CosClientException e) {
            e.printStackTrace();
        }
    }

    public static void identifyQrCodeWithMultipart(COSClient cosClient) throws FileNotFoundException {
        // bucket名需包含appid
        // api 请参考 https://cloud.tencent.com/document/product/436/54070
        String bucketName = "examplebucket-1250000000";

        String key = "qrcode.png";
        File localFile = new File("E://qrcode.png");
        InitiateMultipartUploadRequest request = new InitiateMultipartUploadRequest(bucketName, key);
        InitiateMultipartUploadResult initResult = cosClient.initiateMultipartUpload(request);
        String uploadId = initResult.getUploadId();

        // 上传分块
        List partETags = new LinkedList<>();
        UploadPartRequest uploadPartRequest = new UploadPartRequest();
        uploadPartRequest.setBucketName(bucketName);
        uploadPartRequest.setKey(key);
        uploadPartRequest.setUploadId(uploadId);
        // 设置分块的数据来源输入流
        uploadPartRequest.setInputStream(new FileInputStream(localFile));
        // 设置分块的长度
        uploadPartRequest.setPartSize(localFile.length()); // 设置数据长度
        uploadPartRequest.setPartNumber(1);     // 假设要上传的part编号是10
        UploadPartResult uploadPartResult = cosClient.uploadPart(uploadPartRequest);
        PartETag partETag = uploadPartResult.getPartETag();
        partETags.add(partETag);

        // 带上图像处理参数执行合并分块
        PicOperations picOperations = new PicOperations();
        picOperations.setIsPicInfo(1);
        List ruleList = new LinkedList<>();
        PicOperations.Rule rule1 = new PicOperations.Rule();
        rule1.setBucket(bucketName);
        rule1.setFileId("qrcode-1.png");
        rule1.setRule("QRcode/cover/1");
        ruleList.add(rule1);
        picOperations.setRules(ruleList);

        CompleteMultipartUploadRequest completeMultipartUploadRequest =
                new CompleteMultipartUploadRequest(bucketName, key, uploadId, partETags);
        completeMultipartUploadRequest.setPicOperations(picOperations);
        CompleteMultipartUploadResult completeMultipartUploadResult =
                cosClient.completeMultipartUpload(completeMultipartUploadRequest);

        // 获取图片处理的结果
        CIUploadResult ciUploadResult = completeMultipartUploadResult.getCiUploadResult();
        System.out.println(completeMultipartUploadResult.getRequestId());
        System.out.println(ciUploadResult.getOriginalInfo().getEtag());
        for (CIObject ciObject : ciUploadResult.getProcessResults().getObjectList()) {
            System.out.println(ciObject.getLocation());
        }

    }

    public static void identifyQrCodeWithTransferManager(TransferManager transferManager) throws InterruptedException {
        // bucket名需包含appid
        // api 请参考 https://cloud.tencent.com/document/product/436/54070
        String bucketName = "examplebucket-1250000000";

        String key = "qrcode.png";
        File localFile = new File("E://qrcode.png");
        PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
        PicOperations picOperations = new PicOperations();
        picOperations.setIsPicInfo(1);
        List ruleList = new LinkedList<>();
        PicOperations.Rule rule1 = new PicOperations.Rule();
        rule1.setBucket(bucketName);
        rule1.setFileId("qrcode-1.png");
        rule1.setRule("QRcode/cover/1");
        ruleList.add(rule1);
        picOperations.setRules(ruleList);
        putObjectRequest.setPicOperations(picOperations);
        Upload upload = transferManager.upload(putObjectRequest);
        UploadResult uploadResult = upload.waitForUploadResult();
        CIUploadResult ciUploadResult = uploadResult.getCiUploadResult();
        System.out.println(uploadResult.getRequestId());
        System.out.println(ciUploadResult.getOriginalInfo().getEtag());
        for (CIObject ciObject : ciUploadResult.getProcessResults().getObjectList()) {
            System.out.println(ciObject.getLocation());
        }
    }

    public static void main(String[] args) throws Exception {
        COSClient cosClient = ClientUtils.getTestClient();
        cosClient.shutdown();
    }
}