商城后端模板

config/minio.js

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+const Minio = require('minio');
+require('dotenv').config();
+
+/**
+ * MinIO 配置
+ * 用于对象存储服务配置
+ */
+const minioConfig = {
+  // MinIO 服务器配置
+  endPoint: process.env.MINIO_ENDPOINT || 'localhost',
+  port: parseInt(process.env.MINIO_PORT) || 9000,
+  useSSL: process.env.MINIO_USE_SSL === 'true' || false,
+  accessKey: process.env.MINIO_ACCESS_KEY || 'minioadmin',
+  secretKey: process.env.MINIO_SECRET_KEY || 'minioadmin',
+  
+  // 存储桶配置
+  buckets: {
+    uploads: process.env.MINIO_BUCKET_UPLOADS || 'uploads',
+    avatars: process.env.MINIO_BUCKET_AVATARS || 'avatars', 
+    products: process.env.MINIO_BUCKET_PRODUCTS || 'products',
+    documents: process.env.MINIO_BUCKET_DOCUMENTS || 'documents'
+  },
+  
+  // 文件访问配置
+  publicUrl: process.env.MINIO_PUBLIC_URL || `http://localhost:9000`
+};
+
+/**
+ * 创建 MinIO 客户端实例
+ */
+const createMinioClient = () => {
+  return new Minio.Client({
+    endPoint: minioConfig.endPoint,
+    port: minioConfig.port,
+    useSSL: minioConfig.useSSL,
+    accessKey: minioConfig.accessKey,
+    secretKey: minioConfig.secretKey
+  });
+};
+
+/**
+ * 初始化存储桶
+ * 确保所有需要的存储桶都存在
+ */
+const initializeBuckets = async () => {
+  const minioClient = createMinioClient();
+  
+  try {
+    // 检查并创建存储桶
+    for (const [key, bucketName] of Object.entries(minioConfig.buckets)) {
+      const exists = await minioClient.bucketExists(bucketName);
+      if (!exists) {
+        await minioClient.makeBucket(bucketName, 'us-east-1');
+        console.log(`✅ 存储桶 '${bucketName}' 创建成功`);
+        
+        // 设置存储桶策略为公开读取（可选）
+        const policy = {
+          Version: '2012-10-17',
+          Statement: [
+            {
+              Effect: 'Allow',
+              Principal: { AWS: ['*'] },
+              Action: ['s3:GetObject'],
+              Resource: [`arn:aws:s3:::${bucketName}/*`]
+            }
+          ]
+        };
+        
+        try {
+          await minioClient.setBucketPolicy(bucketName, JSON.stringify(policy));
+          console.log(`✅ 存储桶 '${bucketName}' 策略设置成功`);
+        } catch (policyError) {
+          console.warn(`⚠️  存储桶 '${bucketName}' 策略设置失败:`, policyError.message);
+        }
+      } else {
+        console.log(`✅ 存储桶 '${bucketName}' 已存在`);
+      }
+    }
+  } catch (error) {
+    console.error('❌ 初始化存储桶失败:', error);
+    throw error;
+  }
+};
+
+/**
+ * 获取文件的公开访问URL
+ */
+const getPublicUrl = (bucketName, objectName) => {
+  return `${minioConfig.publicUrl}/${bucketName}/${objectName}`;
+};
+
+module.exports = {
+  minioConfig,
+  createMinioClient,
+  initializeBuckets,
+  getPublicUrl
+};