图片模块：minio，文件上传和删除

pom.xml

@@ -63,8 +63,12 @@
             <artifactId>hutool-all</artifactId>
             <version>5.8.26</version>
         </dependency>
-
-
+        <!-- https://mvnrepository.com/artifact/io.minio/minio -->
+        <dependency>
+            <groupId>io.minio</groupId>
+            <artifactId>minio</artifactId>
+            <version>8.5.17</version>
+        </dependency>
     </dependencies>
     <dependencyManagement>
         <dependencies>

src/main/java/com/huangge1199/picture/config/MinioConfig.java

@@ -0,0 +1,37 @@
+package com.huangge1199.picture.config;
+
+import org.springframework.context.annotation.Configuration;
+import io.minio.MinioClient;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+
+/**
+ * MinioConfig
+ *
+ * @author huangge1199
+ * @since 2025/7/25 10:38:38
+ */
+@Configuration
+public class MinioConfig {
+
+    // 从配置文件中获取Minio的endpoint
+    @Value("${minio.endpoint}")
+    private String endpoint;
+
+    // 从配置文件中获取Minio的accessKey
+    @Value("${minio.access-key}")
+    private String accessKey;
+
+    // 从配置文件中获取Minio的secretKey
+    @Value("${minio.secret-key}")
+    private String secretKey;
+
+    // 创建MinioClient的Bean
+    @Bean
+    public MinioClient minioClient() {
+        return MinioClient.builder()
+                .endpoint(endpoint)
+                .credentials(accessKey, secretKey)
+                .build();
+    }
+}

src/main/java/com/huangge1199/picture/controller/FileController.java

@@ -0,0 +1,54 @@
+package com.huangge1199.picture.controller;
+
+import com.huangge1199.picture.common.R;
+import com.huangge1199.picture.service.FileService;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.annotation.Resource;
+
+/**
+ * 文件
+ *
+ * @author huangge1199
+ * @since 2025/7/25 10:51:38
+ */
+@RestController
+@RequestMapping("/file")
+public class FileController {
+
+    @Resource
+    private FileService fileService;
+
+    /**
+     * 文件上传
+     * @param file 文件
+     * @return 文件上传地址
+     */
+    @PostMapping("/upload")
+    public R<String> uploadFile(@RequestParam("file") MultipartFile file) {
+        try {
+            String url = fileService.uploadFile(file);
+            return R.ok(url);
+        } catch (Exception e) {
+            return R.fail("上传失败: " + e.getMessage());
+        }
+    }
+
+    /**
+     * 文件删除
+     * @param fileUrl 文件的URL
+     * @return 操作结果
+     */
+    @DeleteMapping
+    public R<?> deleteFile(@RequestParam String fileUrl) {
+        try {
+            fileService.deleteFile(fileUrl);
+            return R.ok("文件删除成功");
+        } catch (Exception e) {
+            return R.fail("删除失败: " + e.getMessage());
+        }
+    }
+}

src/main/java/com/huangge1199/picture/service/FileService.java

@@ -0,0 +1,15 @@
+package com.huangge1199.picture.service;
+
+import org.springframework.web.multipart.MultipartFile;
+
+/**
+ * FileService
+ *
+ * @author huangge1199
+ * @since 2025/7/25 10:52:55
+ */
+public interface FileService {
+    String uploadFile(MultipartFile file) throws Exception;
+
+    void deleteFile(String fileUrl) throws Exception;
+}

src/main/java/com/huangge1199/picture/service/impl/FileServiceImpl.java

@@ -0,0 +1,40 @@
+package com.huangge1199.picture.service.impl;
+
+import com.huangge1199.picture.service.FileService;
+import com.huangge1199.picture.utils.MinioUtil;
+import org.springframework.stereotype.Service;
+import io.minio.MinioClient;
+import io.minio.PutObjectArgs;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.annotation.Resource;
+import java.util.UUID;
+
+/**
+ * FileServiceImpl
+ *
+ * @author huangge1199
+ * @since 2025/7/25 10:53:09
+ */
+@Service
+public class FileServiceImpl implements FileService {
+
+    @Resource
+    private MinioUtil minioUtil;
+
+    @Override
+    public String uploadFile(MultipartFile file) throws Exception {
+
+        // 生成唯一文件名
+        String originalFilename = file.getOriginalFilename();
+        String fileExtension = originalFilename.substring(originalFilename.lastIndexOf("."));
+
+        return minioUtil.upload(file.getInputStream(),fileExtension,file.getContentType());
+    }
+
+    @Override
+    public void deleteFile(String fileUrl) throws Exception {
+        minioUtil.deleteFile(fileUrl);
+    }
+}

src/main/java/com/huangge1199/picture/utils/MinioUtil.java

@@ -0,0 +1,74 @@
+package com.huangge1199.picture.utils;
+
+import io.minio.*;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+import java.io.InputStream;
+import java.util.UUID;
+
+/**
+ * MinioUtil
+ *
+ * @author huangge1199
+ * @since 2025/7/25 10:45:58
+ */
+@Component
+@Slf4j
+public class MinioUtil {
+
+    @Resource
+    private MinioClient minioClient;
+
+    @Value("${minio.bucket}")
+    private String bucketName;
+
+    @Value("${minio.endpoint}")
+    private String endpoint;
+
+    /**
+     * 上传文件到 MinIO 并返回访问地址
+     *
+     * @param inputStream      文件流
+     * @param originalFilename 原始文件名
+     * @param contentType      文件类型（如 image/jpeg）
+     * @return 公网访问地址
+     */
+    public String upload(InputStream inputStream, String originalFilename, String contentType) throws Exception {
+        // 生成文件名
+        String fileName = UUID.randomUUID() + "_" + originalFilename;
+
+        // 上传文件到 MinIO
+        minioClient.putObject(PutObjectArgs.builder()
+                .bucket(bucketName)
+                .object(fileName)
+                .stream(inputStream, inputStream.available(), -1)
+                .contentType(contentType)
+                .build());
+
+        // 拼接访问地址（取决于 MinIO 是否配置了静态资源网关）
+        return String.format("%s/%s/%s", endpoint, bucketName, fileName);
+    }
+
+    /**
+     * 删除 Minio 中的文件
+     *
+     * @param fileUrl 文件的URL（需要从中提取文件名）
+     */
+    public void deleteFile(String fileUrl) throws Exception {
+        String fileName = fileUrl.substring(fileUrl.lastIndexOf('/') + 1);
+        try {
+            minioClient.removeObject(
+                    RemoveObjectArgs.builder()
+                            .bucket(bucketName)
+                            .object(fileName)
+                            .build());
+            log.info("文件删除成功: {}", fileName);
+        } catch (Exception e) {
+            log.error("文件删除失败: {}", fileName, e);
+            throw new RuntimeException("文件删除失败: " + e.getMessage());
+        }
+    }
+}

src/main/resources/application.yml

@@ -8,9 +8,11 @@ spring:
   # 数据库配置
   datasource:
     driver-class-name: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://192.168.188.2:3306/long-picture
-    username: root
-    password: huangge1199
+    url: jdbc:mysql://ip:端口/数据库名
+    username: 数据库用户名
+    password: 数据库密码
+  profiles:
+    active: local
 mybatis-plus:
   configuration:
     map-underscore-to-camel-case: false