feat(storage): 集成MinIO对象存储支持

- 添加MinIO配置属性类MinioProperties
- 实现MinIO文件上传服务MinioService
- 在CommonController中增加MinIO上传逻辑分支
- 支持单文件和多文件的MinIO上传处理
- 保留原有本地文件上传作为备选方案- 添加MinIO Java SDK依赖到框架模块
- 移除重复的Spring Context依赖声明

ruoyi-framework/src/main/java/com/ruoyi/framework/config/MinioProperties.java

@@ -0,0 +1,39 @@
+package com.ruoyi.framework.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Component
+@ConfigurationProperties(prefix = "minio")
+public class MinioProperties {
+    /** 是否启用MinIO上传 */
+    private boolean enabled = true;
+    /** MinIO服务端地址，例如 http://127.0.0.1:9000 */
+    private String endpoint;
+    /** 访问key */
+    private String accessKey;
+    /** 密钥 */
+    private String secretKey;
+    /** 桶名称 */
+    private String bucket;
+    /** 是否使用https */
+    private boolean secure = false;
+
+    public boolean isEnabled() { return enabled; }
+    public void setEnabled(boolean enabled) { this.enabled = enabled; }
+
+    public String getEndpoint() { return endpoint; }
+    public void setEndpoint(String endpoint) { this.endpoint = endpoint; }
+
+    public String getAccessKey() { return accessKey; }
+    public void setAccessKey(String accessKey) { this.accessKey = accessKey; }
+
+    public String getSecretKey() { return secretKey; }
+    public void setSecretKey(String secretKey) { this.secretKey = secretKey; }
+
+    public String getBucket() { return bucket; }
+    public void setBucket(String bucket) { this.bucket = bucket; }
+
+    public boolean isSecure() { return secure; }
+    public void setSecure(boolean secure) { this.secure = secure; }
+}

ruoyi-framework/src/main/java/com/ruoyi/framework/service/MinioService.java

@@ -0,0 +1,78 @@
+package com.ruoyi.framework.service;
+
+import com.ruoyi.framework.config.MinioProperties;
+import com.ruoyi.common.utils.file.FileUploadUtils;
+import io.minio.BucketExistsArgs;
+import io.minio.MakeBucketArgs;
+import io.minio.MinioClient;
+import io.minio.PutObjectArgs;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.InputStream;
+
+@Service
+public class MinioService {
+
+    private final MinioClient minioClient;
+    private final MinioProperties properties;
+
+    @Autowired
+    public MinioService(MinioProperties properties) {
+        this.properties = properties;
+        this.minioClient = MinioClient.builder()
+                .endpoint(properties.getEndpoint())
+                .credentials(properties.getAccessKey(), properties.getSecretKey())
+                .build();
+    }
+
+    public UploadResult upload(MultipartFile file) throws Exception {
+        ensureBucket();
+        String objectName = FileUploadUtils.extractFilename(file);
+        try (InputStream is = file.getInputStream()) {
+            minioClient.putObject(
+                    PutObjectArgs.builder()
+                            .bucket(properties.getBucket())
+                            .object(objectName)
+                            .stream(is, file.getSize(), -1)
+                            .contentType(file.getContentType())
+                            .build()
+            );
+        }
+        String url = buildObjectUrl(objectName);
+        return new UploadResult(objectName, url);
+    }
+
+    public String buildObjectUrl(String objectName) {
+        String endpoint = properties.getEndpoint();
+        if (endpoint.endsWith("/")) {
+            endpoint = endpoint.substring(0, endpoint.length() - 1);
+        }
+        return endpoint + "/" + properties.getBucket() + "/" + objectName;
+    }
+
+    private void ensureBucket() throws Exception {
+        boolean exists = minioClient.bucketExists(BucketExistsArgs.builder()
+                .bucket(properties.getBucket())
+                .build());
+        if (!exists) {
+            minioClient.makeBucket(MakeBucketArgs.builder()
+                    .bucket(properties.getBucket())
+                    .build());
+        }
+    }
+
+    public static class UploadResult {
+        private final String objectName;
+        private final String url;
+
+        public UploadResult(String objectName, String url) {
+            this.objectName = objectName;
+            this.url = url;
+        }
+
+        public String getObjectName() { return objectName; }
+        public String getUrl() { return url; }
+    }
+}