import java.io.*;
import java.net.URL;
import java.util.Date;
import java.util.Random;
import com.fndsoft.bcis.exception.ImgException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;
import org.springframework.util.StringUtils;
import org.springframework.web.multipart.MultipartFile;
/**
* 阿里云 OSS文件类
*
* @author YuanDuDu
*/
public class OSSClientUtil {
Log log = LogFactory.getLog(OSSClientUtil. class );
// endpoint以杭州为例,其它region请按实际情况填写
private String endpoint = "您的endpoint" ;
// accessKey
private String accessKeyId = "您的accessKeyId" ;
private String accessKeySecret = "您的accessKeySecret" ;
//空间
private String bucketName = "bcis" ;
//文件存储目录
private String filedir = "data/" ;
private OSSClient ossClient;
public OSSClientUtil() {
ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
}
/**
* 初始化
*/
public void init() {
ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
}
/**
* 销毁
*/
public void destory() {
ossClient.shutdown();
}
/**
* 上传图片
*
* @param url
*/
public void uploadImg2Oss(String url) {
File fileOnServer = new File(url);
FileInputStream fin;
try {
fin = new FileInputStream(fileOnServer);
String[] split = url.split( "/" );
this .uploadFile2OSS(fin, split[split.length - 1 ]);
} catch (FileNotFoundException e) {
throw new ImgException( "图片上传失败" );
}
}
public String uploadImg2Oss(MultipartFile file) {
if (file.getSize() > 1024 * 1024 ) {
throw new ImgException( "上传图片大小不能超过1M!" );
}
String originalFilename = file.getOriginalFilename();
String substring = originalFilename.substring(originalFilename.lastIndexOf( "." )).toLowerCase();
Random random = new Random();
String name = random.nextInt( 10000 ) + System.currentTimeMillis() + substring;
try {
InputStream inputStream = file.getInputStream();
this .uploadFile2OSS(inputStream, name);
return name;
} catch (Exception e) {
throw new ImgException( "图片上传失败" );
}
}
/**
* 获得图片路径
*
* @param fileUrl
* @return
*/
public String getImgUrl(String fileUrl) {
if (!StringUtils.isEmpty(fileUrl)) {
String[] split = fileUrl.split( "/" );
return this .getUrl( this .filedir + split[split.length - 1 ]);
}
return null ;
}
/**
* 上传到OSS服务器 如果同名文件会覆盖服务器上的
*
* @param instream 文件流
* @param fileName 文件名称 包括后缀名
* @return 出错返回"" ,唯一MD5数字签名
*/
public String uploadFile2OSS(InputStream instream, String fileName) {
String ret = "" ;
try {
//创建上传Object的Metadata
ObjectMetadata objectMetadata = new ObjectMetadata();
objectMetadata.setContentLength(instream.available());
objectMetadata.setCacheControl( "no-cache" );
objectMetadata.setHeader( "Pragma" , "no-cache" );
objectMetadata.setContentType(getcontentType(fileName.substring(fileName.lastIndexOf( "." ))));
objectMetadata.setContentDisposition( "inline;filename=" + fileName);
//上传文件
PutObjectResult putResult = ossClient.putObject(bucketName, filedir + fileName, instream, objectMetadata);
ret = putResult.getETag();
} catch (IOException e) {
log.error(e.getMessage(), e);
} finally {
try {
if (instream != null ) {
instream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ret;
}
/**
* Description: 判断OSS服务文件上传时文件的contentType
*
* @param FilenameExtension 文件后缀
* @return String
*/
public static String getcontentType(String FilenameExtension) {
if (FilenameExtension.equalsIgnoreCase( ".bmp" )) {
return "image/bmp" ;
}
if (FilenameExtension.equalsIgnoreCase( ".gif" )) {
return "image/gif" ;
}
if (FilenameExtension.equalsIgnoreCase( ".jpeg" ) ||
FilenameExtension.equalsIgnoreCase( ".jpg" ) ||
FilenameExtension.equalsIgnoreCase( ".png" )) {
return "image/jpeg" ;
}
if (FilenameExtension.equalsIgnoreCase( ".html" )) {
return "text/html" ;
}
if (FilenameExtension.equalsIgnoreCase( ".txt" )) {
return "text/plain" ;
}
if (FilenameExtension.equalsIgnoreCase( ".vsd" )) {
return "application/vnd.visio" ;
}
if (FilenameExtension.equalsIgnoreCase( ".pptx" ) ||
FilenameExtension.equalsIgnoreCase( ".ppt" )) {
return "application/vnd.ms-powerpoint" ;
}
if (FilenameExtension.equalsIgnoreCase( ".docx" ) ||
FilenameExtension.equalsIgnoreCase( ".doc" )) {
return "application/msword" ;
}
if (FilenameExtension.equalsIgnoreCase( ".xml" )) {
return "text/xml" ;
}
return "image/jpeg" ;
}
/**
* 获得url链接
*
* @param key
* @return
*/
public String getUrl(String key) {
// 设置URL过期时间为10年 3600l* 1000*24*365*10
Date expiration = new Date( new Date().getTime() + 3600l * 1000 * 24 * 365 * 10 );
// 生成URL
URL url = ossClient.generatePresignedUrl(bucketName, key, expiration);
if (url != null ) {
return url.toString();
}
return null ;
}
}
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