import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Date;
import com.aliyun.oss.OSSClient;
import com.aliyun.oss.model.ObjectMetadata;
public class PictureUploadUtils {
private static String endpoint = "https://oss-cn-hangzhou.aliyuncs.com";
private static String accessKeyId = "<这里是公司的accessKeyId>";
private static String accessKeySecret = "<这里是公司的accessKeySecret>";
private static String bucketName = "<这里是公司的bucketName>";
private static OSSClient ossClient;
/** 上传文件到阿里云,并生成url
* @param filedir (key)文件名(不包括后缀)
* @param in 文件字节流
* @param suffix 文件后缀名
* @return String 生成的文件url
*/
public static String UploadToAliyun(String filedir, InputStream in,String suffix) {
System.out.println("------------>文件名称为: " + filedir + "." + suffix);
ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
URL url = null;
try {
// 创建上传Object的Metadata
ObjectMetadata objectMetadata = new ObjectMetadata();
objectMetadata.setContentLength(in.available());
objectMetadata.setCacheControl("no-cache");//设置Cache-Control请求头，表示用户指定的HTTP请求/回复链的缓存行为:不经过本地缓存
objectMetadata.setHeader("Pragma", "no-cache");//设置页面不缓存
objectMetadata.setContentType(getcontentType(suffix));
objectMetadata.setContentDisposition("inline;filename=" + filedir + "." + suffix);
// 上传文件
ossClient.putObject(bucketName, filedir, in, objectMetadata);
Date expiration = null;//过期时间
String[] split = filedir.split("/");
if(split[0].equals("circle")){
// 朋友圈图片,设置URL过期时间为3个月
expiration = new Date(new Date().getTime() + 3600l * 1000 * 24 * 90);
}else{
// 头像,设置URL过期时间为10年
expiration = new Date(new Date().getTime() + 3600l * 1000 * 24 * 365 * 10);
}
// 生成URL
url = ossClient.generatePresignedUrl(bucketName, filedir, expiration);
} catch (IOException e) {
e.printStackTrace();
} finally {
ossClient.shutdown();
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return url.toString();
}
/**删除图片
* @param key
*/
public static void deletePicture(String key){
ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
ossClient.deleteObject(bucketName, key);
ossClient.shutdown();
}
/**
* Description: 判断OSS服务文件上传时文件的contentType
* @param suffix 文件后缀
* @return String HTTP Content-type
*/
public static String getcontentType(String suffix) {
System.out.println("------------>文件格式为: " + suffix);
if (suffix.equalsIgnoreCase("bmp")) {
return "image/bmp";
} else if (suffix.equalsIgnoreCase("gif")) {
return "image/gif";
} else if (suffix.equalsIgnoreCase("jpeg") || suffix.equalsIgnoreCase("jpg")) {
return "image/jpeg";
} else if (suffix.equalsIgnoreCase("png")) {
return "image/png";
} else if (suffix.equalsIgnoreCase("html")) {
return "text/html";
} else if (suffix.equalsIgnoreCase("txt")) {
return "text/plain";
} else if (suffix.equalsIgnoreCase("vsd")) {
return "application/vnd.visio";
} else if (suffix.equalsIgnoreCase("pptx") || suffix.equalsIgnoreCase("ppt")) {
return "application/vnd.ms-powerpoint";
} else if (suffix.equalsIgnoreCase("docx") || suffix.equalsIgnoreCase("doc")) {
return "application/msword";
} else if (suffix.equalsIgnoreCase("xml")) {
return "text/xml";
} else if (suffix.equalsIgnoreCase("mp3")) {
return "audio/mp3";
} else if (suffix.equalsIgnoreCase("amr")) {
return "audio/amr";
} else {
return "text/plain";
}
}
}
参考:
阿里云开放平台: https://help.aliyun.com/document_detail/32012.html?spm=5176.doc32013.6.654.6y7YbO
API手册: http://aliyun_portal_storage.oss.aliyuncs.com/oss_api/oss_javahtml/index.html
整理未验证