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+package cn.com.ctop.common.utils;
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+
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+import com.aliyun.oss.OSSClient;
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+import com.aliyun.oss.model.Bucket;
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+import com.aliyun.oss.model.OSSObject;
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+import com.aliyun.oss.model.ObjectMetadata;
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+import com.aliyun.oss.model.PutObjectResult;
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+import org.slf4j.Logger;
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+import org.slf4j.LoggerFactory;
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+import org.springframework.beans.factory.annotation.Value;
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+import org.springframework.context.annotation.Configuration;
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+import org.springframework.context.annotation.PropertySource;
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+
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+import java.io.ByteArrayInputStream;
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+import java.io.File;
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+import java.io.FileInputStream;
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+import java.io.InputStream;
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+
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+@Configuration
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+@PropertySource("classpath:config.properties")
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+public class OSSUtils {
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+ private static Logger logger = LoggerFactory.getLogger(OSSUtils.class);
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+
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+ /**
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+ * 阿里云API的密钥Access Key ID
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+ */
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+ private static String accessKeyId;
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+ /**
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+ * 阿里云API的密钥Access Key Secret
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+ */
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+ private static String accessKeySecret;
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+ /**
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+ * 阿里云API的内或外网域名
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+ */
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+ private static String endpoint;
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+ /**
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+ * 阿里云API的bucket名称
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+ */
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+ private static String bucketName;
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+ /**
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+ * 阿里云API的文件夹名称
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+ */
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+ private static String folder;
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+
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+ /**
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+ * 获取阿里云OSS客户端对象
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+ *
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+ * @return ossClient
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+ */
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+ public static OSSClient getOSSClient() {
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+ return new OSSClient(endpoint, accessKeyId, accessKeySecret);
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+ }
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+
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+ /**
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+ * 创建存储空间
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+ *
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+ * @param ossClient OSS连接
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+ * @param bucketName 存储空间
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+ * @return
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+ */
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+ public static String createBucketName(OSSClient ossClient, String bucketName) {
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+ // 存储空间
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+ final String bucketNames = bucketName;
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+ if (!ossClient.doesBucketExist(bucketName)) {
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+ // 创建存储空间
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+ Bucket bucket = ossClient.createBucket(bucketName);
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+ logger.info("创建存储空间成功");
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+ return bucket.getName();
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+ }
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+ return bucketNames;
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+ }
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+
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+ /**
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+ * 删除存储空间buckName
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+ *
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+ * @param ossClient oss对象
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+ * @param bucketName 存储空间
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+ */
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+ public static void deleteBucket(OSSClient ossClient, String bucketName) {
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+ ossClient.deleteBucket(bucketName);
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+ logger.info("删除" + bucketName + "Bucket成功");
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+ }
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+
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+ /**
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+ * 创建模拟文件夹
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+ *
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+ * @param ossClient oss连接
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+ * @param bucketName 存储空间
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+ * @param folder 模拟文件夹名如"qj_nanjing/"
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+ * @return 文件夹名
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+ */
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+ public static String createFolder(OSSClient ossClient, String bucketName, String folder) {
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+ // 文件夹名
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+ final String keySuffixWithSlash = folder;
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+ // 判断文件夹是否存在,不存在则创建
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+ if (!ossClient.doesObjectExist(bucketName, keySuffixWithSlash)) {
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+ // 创建文件夹
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+ ossClient.putObject(bucketName, keySuffixWithSlash, new ByteArrayInputStream(new byte[0]));
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+ logger.info("创建文件夹成功");
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+ // 得到文件夹名
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+ OSSObject object = ossClient.getObject(bucketName, keySuffixWithSlash);
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+ String fileDir = object.getKey();
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+ return fileDir;
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+ }
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+ return keySuffixWithSlash;
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+ }
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+
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+ /**
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+ * 根据key删除OSS服务器上的文件
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+ *
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+ * @param ossClient oss连接
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+ * @param bucketName 存储空间
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+ * @param folder 模拟文件夹名 如"qj_nanjing/"
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+ * @param key Bucket下的文件的路径名+文件名 如:"upload/cake.jpg"
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+ */
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+ public static void deleteFile(OSSClient ossClient, String bucketName, String folder, String key) {
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+ ossClient.deleteObject(bucketName, folder + key);
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+ logger.info("删除" + bucketName + "下的文件" + folder + key + "成功");
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+ }
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+
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+ /**
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+ * 上传图片至OSS
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+ *
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+ * @param ossClient oss连接
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+ * @param file 上传文件(文件全路径如:D:\\image\\cake.jpg)
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+ * @param bucketName 存储空间
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+ * @param folder 模拟文件夹名 如"qj_nanjing/"
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+ * @return String 返回的唯一MD5数字签名
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+ */
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+ public static String uploadObject2OSS(OSSClient ossClient, File file, String bucketName, String folder) {
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+ String resultStr = null;
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+ try {
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+ // 以输入流的形式上传文件
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+ InputStream is = new FileInputStream(file);
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+ // 文件名
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+ String fileName = file.getName();
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+ // 文件大小
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+ Long fileSize = file.length();
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+ // 创建上传Object的Metadata
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+ ObjectMetadata metadata = new ObjectMetadata();
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+ // 上传的文件的长度
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+ metadata.setContentLength(is.available());
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+ // 指定该Object被下载时的网页的缓存行为
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+ metadata.setCacheControl("no-cache");
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+ // 指定该Object下设置Header
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+ metadata.setHeader("Pragma", "no-cache");
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+ // 指定该Object被下载时的内容编码格式
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+ metadata.setContentEncoding("utf-8");
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+ // 文件的MIME,定义文件的类型及网页编码,决定浏览器将以什么形式、什么编码读取文件。如果用户没有指定则根据Key或文件名的扩展名生成,
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+ // 如果没有扩展名则填默认值application/octet-stream
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+ metadata.setContentType(getContentType(fileName));
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+ // 指定该Object被下载时的名称(指示MINME用户代理如何显示附加的文件,打开或下载,及文件名称)
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+ metadata.setContentDisposition("filename/filesize=" + fileName + "/" + fileSize + "Byte.");
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+ // 上传文件 (上传文件流的形式)
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+ PutObjectResult putResult = ossClient.putObject(bucketName, folder + fileName, is, metadata);
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+ // 解析结果
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+ resultStr = putResult.getETag();
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ logger.error("上传阿里云OSS服务器异常." + e.getMessage(), e);
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+ }
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+ return resultStr;
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+ }
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+
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+ /**
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+ * 通过文件名判断并获取OSS服务文件上传时文件的contentType
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+ *
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+ * @param fileName 文件名
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+ * @return 文件的contentType
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+ */
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+ public static String getContentType(String fileName) {
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+ // 文件的后缀名
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+ String fileExtension = fileName.substring(fileName.lastIndexOf("."));
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+ if (".bmp".equalsIgnoreCase(fileExtension)) {
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+ return "image/bmp";
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+ }
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+ if (".gif".equalsIgnoreCase(fileExtension)) {
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+ return "image/gif";
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+ }
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+ if (".jpeg".equalsIgnoreCase(fileExtension) || ".jpg".equalsIgnoreCase(fileExtension)
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+ || ".png".equalsIgnoreCase(fileExtension)) {
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+ return "image/jpeg";
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+ }
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+ if (".png".equalsIgnoreCase(fileExtension)) {
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+ return "image/png";
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+ }
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+ if (".html".equalsIgnoreCase(fileExtension)) {
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+ return "text/html";
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+ }
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+ if (".txt".equalsIgnoreCase(fileExtension)) {
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+ return "text/plain";
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+ }
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+ if (".vsd".equalsIgnoreCase(fileExtension)) {
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+ return "application/vnd.visio";
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+ }
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+ if (".ppt".equalsIgnoreCase(fileExtension) || "pptx".equalsIgnoreCase(fileExtension)) {
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+ return "application/vnd.ms-powerpoint";
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+ }
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+ if (".doc".equalsIgnoreCase(fileExtension) || "docx".equalsIgnoreCase(fileExtension)) {
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+ return "application/msword";
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+ }
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+ if (".xml".equalsIgnoreCase(fileExtension)) {
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+ return "text/xml";
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+ }
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+ // 默认返回类型
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+ return "";
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+ }
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+
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+ @Value("${aliyun.accessKeyId}")
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+ public void setAccessKeyId(String accessKeyId) {
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+ OSSUtils.accessKeyId = accessKeyId;
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+ }
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+
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+ @Value("${aliyun.accessKeySecret}")
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+ public void setAccessKeySecret(String accessKeySecret) {
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+ OSSUtils.accessKeySecret = accessKeySecret;
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+ }
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+
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+ @Value("${aliyun.oss.endpoint}")
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+ public void setEndpoint(String endpoint) {
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+ OSSUtils.endpoint = endpoint;
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+ }
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+
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+ @Value("${aliyun.oss.bucketName}")
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+ public void setBucketName(String bucketName) {
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+ OSSUtils.bucketName = bucketName;
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+ }
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+
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+ @Value("${aliyun.oss.folder}")
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+ public void setFolder(String folder) {
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+ OSSUtils.folder = folder;
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+ }
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+}
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