关于腾讯云COS文件上传
在网上看了很多cos的上传，到处都是坑还很麻烦，而且cos给出的api也很坑，不会看源码真的是会走很多弯路，废话不多说直接上代码..
import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.auth.BasicCOSCredentials;
import com.qcloud.cos.auth.COSCredentials;
import com.qcloud.cos.exception.CosClientException;
import com.qcloud.cos.exception.CosServiceException;
import com.qcloud.cos.model.*;
import com.qcloud.cos.region.Region;
import com.qcloud.cos.transfer.*;
import java.io.File;
import java.io.InputStream;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
// TransferManager提供异步的上传文件, 下载文件，copy文件的高级API接口
// 可以根据文件大小自动的选择上传接口或者copy接口,方便用户使用, 无需自行封装较复杂的分块上传或者分块copy
public class TransferManagerDemo {
public static final int APP_ID = 你的APPID;
public static final String SECRET_ID = "你的SECRET_ID";
public static final String SECRET_KEY = "你的SECRET_KEY";
public static final String BUCKETNAME = "你的BUCKETNAME";
public static final String URL = "你的返回前缀，不懂得去那你上传成功文件详情里面能看到 URL";
// Prints progress while waiting for the transfer to finish.
private static void showTransferProgress(Transfer transfer) {
System.out.println(transfer.getDescription());
do {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
return;
}
TransferProgress progress = transfer.getProgress();
long so_far = progress.getBytesTransferred();
long total = progress.getTotalBytesToTransfer();
double pct = progress.getPercentTransferred();
System.out.printf("[%d / %d]\n", so_far, total);
} while (transfer.isDone() == false);
System.out.println(transfer.getState());
}
// 上传文件, 根据文件大小自动选择简单上传或者分块上传。
public static void uploadFile() {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-shanghai"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
// bucket名需包含appid
String bucketName = BUCKETNAME;
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
String key = "";
File localFile = new File("");
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
try {
// 返回一个异步结果Upload, 可同步的调用waitForUploadResult等待upload结束, 成功返回UploadResult, 失败抛出异常.
long startTime = System.currentTimeMillis();
Upload upload = transferManager.upload(putObjectRequest);
showTransferProgress(upload);
UploadResult uploadResult = upload.waitForUploadResult();
long endTime = System.currentTimeMillis();
System.out.println("used time: " + (endTime - startTime) / 1000);
System.out.println(uploadResult.getETag());
System.out.println(uploadResult.getKey());
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
}
// 上传文件, 根据文件大小自动选择简单上传或者分块上传。
public static String uploadFile(String fileName) {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-shanghai"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
// bucket名需包含appid
String bucketName = BUCKETNAME;
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
// String name=fileName.replace(".MP4","");
String key = "taozugong/" + fileName;
// String fileUrl="/tmp/"+;
File localFile = new File(fileName);
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
UploadResult uploadResult = null;
try {
// 返回一个异步结果Upload, 可同步的调用waitForUploadResult等待upload结束, 成功返回UploadResult, 失败抛出异常.
long startTime = System.currentTimeMillis();
Upload upload = transferManager.upload(putObjectRequest);
showTransferProgress(upload);
uploadResult = upload.waitForUploadResult();
long endTime = System.currentTimeMillis();
System.out.println("used time: " + (endTime - startTime) / 1000);
System.out.println(uploadResult.getETag());
System.out.println(uploadResult.getKey());
String url = URL + uploadResult.getKey();
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
String url = URL + uploadResult.getKey();
System.out.println(url);
return url;
}
// 上传文件（上传过程中暂停, 并继续上传)
public static void pauseUploadFileAndResume() {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
// bucket名需包含appid
String bucketName = "mybucket-1251668577";
ExecutorService threadPool = Executors.newFixedThreadPool(4);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
String key = "/aaa/bbb.txt";
File localFile = new File("src/test/resources/len30M.txt");
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, localFile);
try {
// 返回一个异步结果Upload, 可同步的调用waitForUploadResult等待upload结束, 成功返回UploadResult, 失败抛出异常.
Upload upload = transferManager.upload(putObjectRequest);
try {
Thread.sleep(10000);
}catch (Exception e){
e.printStackTrace();
}
PersistableUpload persistableUpload = upload.pause();
upload = transferManager.resumeUpload(persistableUpload);
showTransferProgress(upload);
UploadResult uploadResult = upload.waitForUploadResult();
System.out.println(uploadResult.getETag());
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
}
// 将文件下载到本地
public static void downLoadFile() {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
// bucket名需包含appid
String bucketName = "mybucket-1251668577";
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
String key = "/aaa/bbb.txt";
File downloadFile = new File("src/test/resources/download.txt");
GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
try {
// 返回一个异步结果copy, 可同步的调用waitForCompletion等待download结束, 成功返回void, 失败抛出异常.
Download download = transferManager.download(getObjectRequest, downloadFile);
download.waitForCompletion();
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
}
// 将文件下载到本地(中途暂停并继续开始)
public static void pauseDownloadFileAndResume() {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
// bucket名需包含appid
String bucketName = "mybucket-1251668577";
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
String key = "/aaa/bbb.txt";
File downloadFile = new File("src/test/resources/download.txt");
GetObjectRequest getObjectRequest = new GetObjectRequest(bucketName, key);
try {
// 返回一个异步结果copy, 可同步的调用waitForCompletion等待download结束, 成功返回void, 失败抛出异常.
Download download = transferManager.download(getObjectRequest, downloadFile);
Thread.sleep(5000L);
PersistableDownload persistableDownload = download.pause();
download = transferManager.resumeDownload(persistableDownload);
showTransferProgress(download);
download.waitForCompletion();
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
}
// copy接口支持根据文件大小自动选择copy或者分块copy
// 以下代码展示跨园区拷贝, 即将一个园区的文件拷贝到另一个园区
public static void copyFileForDiffRegion() {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
// 要拷贝的bucket region, 支持跨园区拷贝
Region srcBucketRegion = new Region("ap-shanghai");
// 源bucket, bucket名需包含appid
String srcBucketName = "srcBucket-1251668577";
// 要拷贝的源文件
String srcKey = "aaa/bbb.txt";
// 目的bucket, bucket名需包含appid
String destBucketName = "destBucket-1251668577";
// 要拷贝的目的文件
String destKey = "ccc/ddd.txt";
COSClient srcCOSClient = new COSClient(cred, new ClientConfig(srcBucketRegion));
CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName,
srcKey, destBucketName, destKey);
try {
Copy copy = transferManager.copy(copyObjectRequest, srcCOSClient, null);
// 返回一个异步结果copy, 可同步的调用waitForCopyResult等待copy结束, 成功返回CopyResult, 失败抛出异常.
CopyResult copyResult = copy.waitForCopyResult();
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
srcCOSClient.shutdown();
cosclient.shutdown();
}
// copy接口支持根据文件大小自动选择copy或者分块copy
// 以下代码展示同园区拷贝, 即将同园区的文件拷贝到另一个园区
public static void copyFileForSameRegion() {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing-1"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
// 要拷贝的bucket region, 支持跨园区拷贝
Region srcBucketRegion = new Region("ap-beijing-1");
// 源bucket, bucket名需包含appid
String srcBucketName = "srcBucket-1251668577";
// 要拷贝的源文件
String srcKey = "aaa/bbb.txt";
// 目的bucket, bucket名需包含appid
String destBucketName = "destBucket-1251668577";
// 要拷贝的目的文件
String destKey = "ccc/ddd.txt";
CopyObjectRequest copyObjectRequest = new CopyObjectRequest(srcBucketRegion, srcBucketName,
srcKey, destBucketName, destKey);
try {
Copy copy = transferManager.copy(copyObjectRequest);
// 返回一个异步结果copy, 可同步的调用waitForCopyResult等待copy结束, 成功返回CopyResult, 失败抛出异常.
CopyResult copyResult = copy.waitForCopyResult();
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
}
//这里是源码里面的实现 直接使用就好
public String putObject(String bucketName, String key, InputStream input,
ObjectMetadata metadata,String filename) throws CosClientException, CosServiceException {
// bucket的命名规则为{name}-{appid} ，此处填写的存储桶名称必须为此格式
bucketName = BUCKETNAME;
key = "taozugong/"+System.currentTimeMillis()+".MP4";
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://cloud.tencent.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-shanghai"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
PutObjectResult putObjectResult = cosclient.putObject(bucketName, key, input, metadata);
String resulturl=URL+key;
return resulturl;
}
public String putObjectImage(String bucketName, String key, InputStream input,
ObjectMetadata metadata,String filename) throws CosClientException, CosServiceException {
// bucket的命名规则为{name}-{appid} ，此处填写的存储桶名称必须为此格式
bucketName = BUCKETNAME;
key = "taozugong/"+System.currentTimeMillis()+filename;
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://cloud.tencent.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-shanghai"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
PutObjectResult putObjectResult = cosclient.putObject(bucketName, key, input, metadata);
String resulturl=URL+key;
return resulturl;
}
public static void main(String[] args) {
//uploadFile("F://美人鱼.MP4");
}
public static String uploadFiles(InputStream input,
ObjectMetadata metadata,String filename) {
// 1 初始化用户身份信息(secretId, secretKey)
COSCredentials cred = new BasicCOSCredentials(SECRET_ID, SECRET_KEY);
// 2 设置bucket的区域, COS地域的简称请参照 https://www.qcloud.com/document/product/436/6224
ClientConfig clientConfig = new ClientConfig(new Region("ap-shanghai"));
// 3 生成cos客户端
COSClient cosclient = new COSClient(cred, clientConfig);
// bucket名需包含appid
String bucketName = BUCKETNAME;
ExecutorService threadPool = Executors.newFixedThreadPool(32);
// 传入一个threadpool, 若不传入线程池, 默认TransferManager中会生成一个单线程的线程池。
TransferManager transferManager = new TransferManager(cosclient, threadPool);
String key = "taozugong/"+System.currentTimeMillis()+".MP4";
PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, key, input,metadata);
String resulturl=URL+key;
try {
// 返回一个异步结果Upload, 可同步的调用waitForUploadResult等待upload结束, 成功返回UploadResult, 失败抛出异常.
long startTime = System.currentTimeMillis();
Upload upload = transferManager.upload(putObjectRequest);
showTransferProgress(upload);
UploadResult uploadResult = upload.waitForUploadResult();
long endTime = System.currentTimeMillis();
System.out.println("used time: " + (endTime - startTime) / 1000);
System.out.println(uploadResult.getETag());
System.out.println(uploadResult.getKey());
} catch (CosServiceException e) {
e.printStackTrace();
} catch (CosClientException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
transferManager.shutdownNow();
cosclient.shutdown();
return resulturl;
}
}这是cos提供得演示和自己修改后得方法，因为里面用到得是文件获取路径，看看源码其实里面也支持inputstream
具体得实现demo在文件里面有兴趣得可以去下载试试，我的博客资料文件
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