涉及到的jar包需要自己下载
package com.unionx.oss;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.model.OSSObject;
import com.aliyun.oss.model.ObjectMetadata;
import com.aliyun.oss.model.PutObjectResult;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import java.io.*;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Date;
import java.util.List;
import java.util.Random;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Component
public class OSSClientUtil {
protected static final Logger log = LoggerFactory.getLogger(OSSClientUtil.class);
@Value("${oss.host.endpoint}")
private String endpoint;
@Value("${oss.accessKeyId}")
private String accessKeyId;
@Value("${oss.accessKeySecret}")
private String accessKeySecret;
@Value("${oss.bucket}")
private String bucketName;
@Value("${oss.host.images}")
private String host;
//图片存储目录
private String imgdir = "APP/";
//文件存储目录
private String filedir = "FILE/";
/**
*
* 上传图片
* @param file
* @return
*/
public String uploadImg2Oss(MultipartFile file) {
/*if (file.getSize() > 1024 * 1024 *20) {
return "图片太大";//RestResultGenerator.createErrorResult(ResponseEnum.PHOTO_TOO_MAX);
}*/
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;//RestResultGenerator.createSuccessResult(name);
} catch (Exception e) {
return "上传失败";//RestResultGenerator.createErrorResult(ResponseEnum.PHOTO_UPLOAD);
}
}
/**
* 上传图片获取fileUrl
* @param instream
* @param fileName
* @return
*/
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
OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
PutObjectResult putResult = ossClient.putObject(bucketName, imgdir + 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;
}
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";
}
/**
* 获取图片路径
* @param fileUrl
* @return
*/
public String getImgUrl(String fileUrl) {
if (!StringUtils.isEmpty(fileUrl)) {
String[] split = fileUrl.split("/");
String url = this.getUrl(this.imgdir + split[split.length - 1]);
// log.info(url);
// String[] spilt1 = url.split("\\?");
// return spilt1[0];
return url;
}
return null;
}
/**
* 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
OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
URL url = ossClient.generatePresignedUrl(bucketName, key, expiration);
if (url != null) {
return url.toString();
}
return null;
}
/**
* 多图片上传
* @param fileList
* @return
*/
public String checkList(List<MultipartFile> fileList) {
String fileUrl = "";
String str = "";
String photoUrl = "";
for(int i = 0;i< fileList.size();i++){
fileUrl = uploadImg2Oss(fileList.get(i));
str = getImgUrl(fileUrl);
if(i == 0){
photoUrl = str;
}else {
photoUrl += "," + str;
}
}
return photoUrl.trim();
}
/**
* 单个图片上传
* @param file
* @return
*/
public String checkImage(MultipartFile file){
String fileUrl = uploadImg2Oss(file);
//String str = getImgUrl(fileUrl);
return host+"/"+imgdir+ fileUrl;
}
/**
* 文件删除
* @param keys
*/
public void deleteFile(String filePath) {
OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
String fileName = getFileName(filePath);
ossClient.deleteObject(bucketName, imgdir+fileName);
ossClient.shutdown();
}
/**
*
* Description：获取文件名
* @param path
* @return
* @return String
* @author name：luyong <br>email: [email protected]
*
*/
public static String getFileName(String path){
String fileName = new File(path).getName();
//return fileName.substring(0, fileName.indexOf("?"));
return fileName;
}
/**
*
* Description：上传文件
* @param fileContent
* @param fileName
* @return
* @throws Exception
* @return String
* @author name：luyong <br>email: [email protected]
*
*/
public String uploadFile(InputStream fileContent,String fileName) throws Exception {
//随机名处理
fileName = new Date().getTime() + fileName.substring(fileName.lastIndexOf("."));
//初始化OSSClient
OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
// 创建上传Object的Metadata
ObjectMetadata objectMetadata = new ObjectMetadata();
objectMetadata.setContentLength(fileContent.available());
objectMetadata.setContentEncoding("utf-8");
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
ossClient.putObject(bucketName, filedir + fileName, fileContent, objectMetadata);
// 关闭OSSClient
ossClient.shutdown();
// 关闭io流
fileContent.close();
return host +"/"+ filedir + fileName;
}
/**
*
* Description：下载文件
* @param filePath
* @param request
* @param response
* @return void
* @author name：luyong <br>email: [email protected]
*
*/
public void downloadFile(String filePath, HttpServletRequest request, HttpServletResponse response){
try {
String fileName=getFileName(filePath);
String key=fileName;
// 从阿里云进行下载
OSSClient ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
OSSObject ossObject = ossClient.getObject(bucketName, filedir+key);
// 已缓冲的方式从字符输入流中读取文本，缓冲各个字符，从而提供字符、数组和行的高效读取
BufferedReader reader = new BufferedReader(new InputStreamReader(ossObject.getObjectContent()));
//InputStream inputStream = ossObject.getObjectContent();
//缓冲文件输出流
//BufferedOutputStream outputStream=new BufferedOutputStream(response.getOutputStream());
//通知浏览器以附件形式下载
// response.setHeader("Content-Disposition","attachment;filename="+ URLEncoder.encode(fileName,"UTF-8"));
// 为防止 文件名出现乱码
response.setContentType("application/doc");
final String userAgent = request.getHeader("USER-AGENT");
fileName="及时用.apk";
if(StringUtils.contains(userAgent, "MSIE")){//IE浏览器
fileName = URLEncoder.encode(fileName,"UTF-8");
}else if(StringUtils.contains(userAgent, "Mozilla")){//google,火狐浏览器
fileName = new String(fileName.getBytes(), "ISO8859-1");
}else{
fileName = URLEncoder.encode(fileName,"UTF-8");//其他浏览器
}
response.addHeader("Content-Disposition", "attachment;filename=" +fileName);//这里设置一下让浏览器弹出下载提示框，而不是直接在浏览器中打开
//BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
while (true) {
String line = reader.readLine();
if (line == null) break;
//System.out.println("\n" + line);
}
reader.close();
/*byte[] car = new byte[1024];
int read;
while ((read = inputStream.read(car)) != -1) {
outputStream.write(car, 0, read);
}*/
/*while((L = inputStream.read(car)) != -1){
if (car.length!=0){
outputStream.write(car, 0,L);
}
}*/
/*if(outputStream!=null){
outputStream.flush();
outputStream.close();
}*/
} catch (IOException e) {
e.printStackTrace();
} catch (OSSException e){
}
}
}