上传文件工具

pom.xml

@@ -31,8 +31,13 @@
     </properties>
     <dependencies>
 
-
-
+        <!--    oss -->
+        <dependency>
+            <groupId>com.aliyun.oss</groupId>
+            <artifactId>aliyun-sdk-oss</artifactId>
+            <version>3.10.2</version>
+        </dependency>
+        <!--   poi     -->
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>

src/main/java/com/zmzm/finance/util/ConstantPropertiesUtils.java

@@ -0,0 +1,37 @@
+package com.zmzm.finance.util;
+
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+//当项目已启动，spring接口，spring加载之后，执行接口一个方法
+@Component
+public class ConstantPropertiesUtils implements InitializingBean {
+
+    //读取配置文件内容
+    @Value("${aliyun.oss.file.endpoint}")
+    private String endpoint;
+
+    @Value("${aliyun.oss.file.keyid}")
+    private String keyId;
+
+    @Value("${aliyun.oss.file.keysecret}")
+    private String keySecret;
+
+    @Value("${aliyun.oss.file.bucketname}")
+    private String bucketName;
+
+    //定义公开静态常量
+    public static String END_POIND;
+    public static String ACCESS_KEY_ID;
+    public static String ACCESS_KEY_SECRET;
+    public static String BUCKET_NAME;
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        END_POIND = endpoint;
+        ACCESS_KEY_ID = keyId;
+        ACCESS_KEY_SECRET = keySecret;
+        BUCKET_NAME = bucketName;
+    }
+}

src/main/java/com/zmzm/finance/util/FileUtil.java

@@ -0,0 +1,40 @@
+package com.zmzm.finance.util;
+
+import com.aliyun.oss.OSS;
+import com.aliyun.oss.OSSClientBuilder;
+import org.springframework.web.multipart.MultipartFile;
+import java.io.InputStream;
+
+public class FileUtil {
+
+    public String uploadFile(MultipartFile file){
+        // 工具类获取值
+        String endpoint = ConstantPropertiesUtils.END_POIND;
+        String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
+        String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
+        String bucketName = ConstantPropertiesUtils.BUCKET_NAME;
+        try {
+            // 创建OSS实例。
+            OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
+            //获取上传文件输入流
+            InputStream inputStream = file.getInputStream();
+            //获取文件名称
+            String fileName = file.getOriginalFilename();
+            //1 在文件名称里面添加随机唯一的值
+            String datePath = "finance/platform";
+            fileName = datePath+"/"+fileName;
+            //把上传之后文件路径返回 需要把上传到阿里云oss路径手动拼接出来
+            //  https://edu-guli-1010.oss-cn-beijing.aliyuncs.com/01.jpg
+            String url = "https://"+bucketName+"."+endpoint+"/"+fileName;
+            //调用oss方法实现上传
+            ossClient.putObject(bucketName,fileName, inputStream);
+            // 关闭OSSClient。
+            ossClient.shutdown();
+            return url;
+        }catch(Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+}