php图片加水印且上传至cos

# COS-PHP-SDK-V5 腾讯云COS-PHP-SDK-V5（[XML API](https://cloud.tencent.com/document/product/436/7751)） [](https://packagist.org/packages/qcloud/cos-sdk-v5) [](https://travis-ci.org/tencentyun/cos-php-sdk-v5) ## 开发准备 ### SDK 获取 #### 1、github ```php #在github中获取代码 https://github.com/tencentyun/cos-php-sdk-v5 ``` 将源代码放入您的项目目录下即可使用 #### 2、composer 在项目目录下，新建一个composer.json的文件，内容如下 ```php #利用composer下载 { "require": { "qcloud/cos-sdk-v5": ">=1.0" } } ``` 然后使用下面的命令进行安装 ``` composer install ``` ## 快速入门 ``` 可参照Demo程序，详见https://github.com/tencentyun/cos-php-sdk-v5/blob/master/sample.php ``` ### 配置文件 ```php #这里请填写根路径下cos-autoloader.php文件所在的相对路径 require('/path/to/cos-autoloader.php'); #如果使用composer安装,则可以填写composer生成的autoload.php文件的相对路径 #require('/path/to/autoload.php') $cosClient = new Qcloud\Cos\Client(array('region' => getenv('COS_REGION'), 'credentials'=> array( 'secretId' => getenv('COS_KEY'), 'secretKey' => getenv('COS_SECRET')))); ``` ### 上传文件 * 使用putObject接口上传文件(最大5G) * 使用Upload接口分块上传文件 ```php # 上传文件 ## putObject(上传接口，最大支持上传5G文件) ### 上传内存中的字符串 try { $result = $cosClient->putObject(array( 'Bucket' => $bucket, 'Key' => $key, 'Body' => 'Hello World!')); print_r($result); } catch (\Exception $e) { echo "$e\n"; } ### 上传文件流 try { $result = $cosClient->putObject(array( 'Bucket' => $bucket, 'Key' => $key, 'Body' => fopen($local_path, 'rb'))); print_r($result); } catch (\Exception $e) { echo "$e\n"; } ### 设置header和meta try { $result = $cosClient->putObject(array( 'Bucket' => $bucket, 'Key' => $key, 'Body' => fopen($local_path, 'rb'), 'ACL' => 'string', 'CacheControl' => 'string', 'ContentDisposition' => 'string', 'ContentEncoding' => 'string', 'ContentLanguage' => 'string', 'ContentLength' => integer, 'ContentType' => 'string', 'Expires' => 'mixed type: string (date format)|int (unix timestamp)|\DateTime', 'GrantFullControl' => 'string', 'GrantRead' => 'string', 'GrantWrite' => 'string', 'Metadata' => array( 'string' => 'string', ), 'StorageClass' => 'string')); print_r($result); } catch (\Exception $e) { echo "$e\n"; } ## Upload(高级上传接口，默认使用分块上传最大支持50T) ### 上传内存中的字符串 try { $result = $cosClient->Upload( $bucket = $bucket, $key = $key, $body = 'Hello World!'); print_r($result); } catch (\Exception $e) { echo "$e\n"; } ### 上传文件流 try { $result = $cosClient->Upload( $bucket = $bucket, $key = $key, $body = fopen($local_path, 'rb')); print_r($result); } catch (\Exception $e) { echo "$e\n"; } ### 设置header和meta try { $result = $cosClient->upload( $bucket= $bucket, $key = $key, $body = fopen($local_path, 'rb'), $options = array( 'ACL' => 'string', 'CacheControl' => 'string', 'ContentDisposition' => 'string', 'ContentEncoding' => 'string', 'ContentLanguage' => 'string', 'ContentLength' => integer, 'ContentType' => 'string', 'Expires' => 'mixed type: string (date format)|int (unix timestamp)|\DateTime', 'GrantFullControl' => 'string', 'GrantRead' => 'string', 'GrantWrite' => 'string', 'Metadata' => array( 'string' => 'string', ), 'StorageClass' => 'string')); print_r($result); } catch (\Exception $e) { echo "$e\n"; } ## 预签名上传createPresignedUrl ## 获取带有签名的url ### 简单上传预签名 try { #此处可以替换为其他上传接口 $command = $cosClient->getCommand('putObject', array( 'Bucket' => $bucket, 'Key' => $key, 'Body' => '' //Body可以任意 )); $signedUrl = $command->createPresignedUrl('+10 minutes'); echo ($signedUrl); } catch (\Exception $e) { echo "$e\n"; } ### 分块上传预签名 try { #此处可以替换为其他上传接口 $command = $cosClient->getCommand('uploadPart', array( 'Bucket' => $bucket, 'Key' => $key, 'UploadId' => $uploadId, 'PartNumber' => '1', 'Body' => '' //Body可以任意 )); $signedUrl = $command->createPresignedUrl('+10 minutes'); echo ($signedUrl); } catch (\Exception $e) { echo "$e\n"; } # 下载文件 ## getObject(下载文件) ### 下载到内存 try { $result = $cosClient->getObject(array( 'Bucket' => $bucket, 'Key' => $key)); echo($result['Body']); } catch (\Exception $e) { echo "$e\n"; } ### 下载到本地 try { $result = $cosClient->getObject(array( 'Bucket' => $bucket, 'Key' => $key, 'SaveAs' => $local_path)); } catch (\Exception $e) { echo "$e\n"; } ### 指定下载范围 /* * Range 字段格式为 'bytes=a-b' */ try { $result = $cosClient->getObject(array( 'Bucket' => $bucket, 'Key' => $key, 'Range' => 'bytes=0-10', 'SaveAs' => $local_path)); } catch (\Exception $e) { echo "$e\n"; } ### 设置返回header try { $result = $cosClient->getObject(array( 'Bucket' => $bucket, 'Key' => $key, 'ResponseCacheControl' => 'string', 'ResponseContentDisposition' => 'string', 'ResponseContentEncoding' => 'string', 'ResponseContentLanguage' => 'string', 'ResponseContentType' => 'string', 'ResponseExpires' => 'mixed type: string (date format)|int (unix timestamp)|\DateTime', 'SaveAs' => $local_path)); } catch (\Exception $e) { echo "$e\n"; } ## getObjectUrl(获取文件UrL) try { $signedUrl = $cosClient->getObjectUrl($bucket, $key, '+10 minutes'); echo ($signedUrl); } catch (\Exception $e) { echo "$e\n"; } ```