资源下载链路打通

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

@@ -0,0 +1,115 @@
+package com.quinn.utils;
+
+import com.aliyun.oss.OSSClient;
+import com.aliyun.oss.model.CannedAccessControlList;
+import com.aliyun.oss.model.OSSObject;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.util.StringUtils;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Random;
+
+/**
+ * 阿里云 OSS文件类
+ *
+ * @author zuojie.liang
+ */
+@Component
+public class OSSClientUtil {
+
+    Log log = LogFactory.getLog(OSSClientUtil.class);
+    /**
+     * 协议
+     */
+    @Value("${oss.protocol}")
+    private String protocol;
+    /**
+     * 仓库名称
+     */
+    @Value("${oss.name}")
+    private String bucketName;
+    /**
+     * 公网节点
+     */
+    @Value("${oss.endPoint}")
+    private String endpoint;
+    @Value("${oss.accessKeyId}")
+    private String accessKeyId;
+    /**
+     * API访问值
+     */
+    @Value("${oss.accessKeySecret}")
+    private String accessKeySecret;
+    @Value("${oss.url}")
+    private String url;
+    private OSSClient ossClient;
+
+    public String upload(String filename, InputStream file) {
+        return uploadImg(file, filename);
+    }
+
+    /**
+     * 上传图片
+     *
+     * @param file
+     * @return
+     */
+    public String uploadImg(MultipartFile file) throws IOException {
+        String originalFilename = file.getOriginalFilename();
+        return uploadImg(file.getInputStream(), originalFilename);
+    }
+
+    public String uploadImg(InputStream inputStream, String originalFilename) {
+        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;
+            // 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 {
+                backUrl = "";
+            }
+        } finally {
+            if (ossClient != null) {
+                ossClient.shutdown();
+            }
+        }
+        return backUrl;
+    }
+
+    /**
+     * 获得图片路径
+     *
+     * @param fileUrl
+     * @return
+     */
+    public String getImgUrl(String fileUrl) {
+        if (!StringUtils.isEmpty(fileUrl)) {
+            String[] split = fileUrl.split("/");
+            return url + "imageDir/" + split[split.length - 1];
+        }
+        return null;
+    }
+
+    public InputStream downloadFile(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);
+        OSSObject ossObject = ossClient.getObject(bucketName, objName);
+        return ossObject.getObjectContent();
+    }
+
+}

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

@@ -0,0 +1,28 @@
+package com.quinn.utils;
+
+import java.util.StringTokenizer;
+import java.util.UUID;
+
+/**
+ * @title UUIDGenerator
+ * @description 随机生成32位UUID，格式如：a11686c39a154cf2a5238fb14cf3d097
+ * <br>
+ * <br>
+ */
+public class UUIDGenerator {
+	/**
+	 * 主键生成机制
+	 * @return
+	 */
+	public static String randomUUID(){
+		String result="";
+		UUID uuid = UUID.randomUUID();
+        String temp=uuid.toString();
+        StringTokenizer token=new StringTokenizer(temp,"-");
+        while(token.hasMoreTokens()){
+        	result+=token.nextToken();
+        }
+		return result;
+	}
+
+}