可以对资源进行增删改

src/main/java/com/quinn/utils/OSSClientUtil.java

@@ -49,8 +49,10 @@ public class OSSClientUtil {
     private String url;
     private OSSClient ossClient;
 
-    public String upload(String filename, InputStream file) {
-        return uploadImg(file, filename);
+    String SAVE_DIR = "data/recovery/";
+
+    public String uploadFile(String filename, InputStream file) {
+        return uploadFile(file, filename);
     }
 
     /**
@@ -59,28 +61,23 @@ public class OSSClientUtil {
      * @param file
      * @return
      */
-    public String uploadImg(MultipartFile file) throws IOException {
+    public String uploadFile(MultipartFile file) throws IOException {
         String originalFilename = file.getOriginalFilename();
-        return uploadImg(file.getInputStream(), originalFilename);
+        return uploadFile(file.getInputStream(), originalFilename);
     }
 
-    public String uploadImg(InputStream inputStream, String originalFilename) {
+    private String uploadFile(InputStream inputStream, String fileName) {
         String backUrl = "";
         try {
             ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
-            String substring = originalFilename.substring(originalFilename.lastIndexOf(".")).toLowerCase();
-            Random random = new Random();
-            String name = random.nextInt(10000) + System.currentTimeMillis() + substring;
-            backUrl = "imageDir/" + name;
+            backUrl = SAVE_DIR + fileName;
             // 上传文件
             ossClient.putObject(bucketName, backUrl, inputStream);
             ossClient.setObjectAcl(bucketName, backUrl, CannedAccessControlList.PublicRead);
             // 判断是否上传成功
             boolean uploadResult = ossClient.doesObjectExist(bucketName, backUrl);
 
-            if (uploadResult) {
-                backUrl = getImgUrl(name);
-            } else {
+            if (!uploadResult) {
                 backUrl = "";
             }
         } finally {
@@ -112,4 +109,14 @@ public class OSSClientUtil {
         return ossObject.getObjectContent();
     }
 
+    public void deleteFile(String objName){
+        // ossObject包含文件所在的存储空间名称、文件名称、文件元信息以及一个输入流。
+        ossClient = new OSSClient(endpoint, accessKeyId, accessKeySecret);
+        try {
+            ossClient.deleteObject(bucketName,objName);
+        }catch (Exception e){
+            log.error("删除失败",e);
+        }
+    }
+
 }

src/main/java/com/quinn/utils/QuinnUtils.java

@@ -1,6 +1,7 @@
 package com.quinn.utils;
 
 import java.sql.Timestamp;
+import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.UUID;
 
@@ -8,6 +9,8 @@ public class QuinnUtils {
 
     static boolean printFlag = true;
 
+    private final static SimpleDateFormat sdf =  new SimpleDateFormat( "yyyyMMdd");
+
     public static String getUuid(){
         return UUID.randomUUID().toString().replaceAll("-","");
     }
@@ -16,6 +19,10 @@ public class QuinnUtils {
         return new Timestamp(new Date().getTime());
     }
 
+    public static String getStrFromDate(Date date){
+        return sdf.format(date);
+    }
+
     public static void print(String msg){
         if (printFlag){
             System.out.println("quinn:=>"+msg);