11

src/lib/tos/tos-service.ts

@@ -9,11 +9,21 @@ const TOS_CONFIG: TOSClientConfig = {
   region: process.env.TOS_REGION || 'cn-beijing',
   bucketName: process.env.TOS_BUCKET_NAME || 'your-bucket-name',
   selfDomain: process.env.TOS_SELF_DOMAIN || 'your-domain.com', // 自定义域名
-  disableSSLWarnings: true
+  disableSSLWarnings: process.env.TOS_DISABLE_SSL_WARNINGS === 'true' // 通过环境变量控制
 };
 
-// 创建 TOS 客户端实例
+// 懒加载 TOS 客户端实例
-const tosClient = new TOSClientWrapper(TOS_CONFIG);
+let tosClient: TOSClientWrapper | null = null;
+
+/**
+ * 获取TOS客户端实例（懒加载）
+ */
+function getTOSClient(): TOSClientWrapper {
+  if (!tosClient) {
+    tosClient = new TOSClientWrapper(TOS_CONFIG);
+  }
+  return tosClient;
+}
 
 // 使用示例
 export class TOSService {
@@ -24,7 +34,7 @@ export class TOSService {
   static async uploadText(content: string, fileName: string): Promise<string> {
     try {
       const objectKey = `text/${Date.now()}-${fileName}`;
-      return await tosClient.uploadString(content, objectKey);
+      return await getTOSClient().uploadString(content, objectKey);
     } catch (error) {
       console.error('上传文本失败:', error.message);
       throw error;
@@ -37,7 +47,7 @@ export class TOSService {
   static async uploadLocalFile(filePath: string, targetPath?: string): Promise<string> {
     try {
       const objectKey = targetPath || `files/${Date.now()}-${path.basename(filePath)}`;
-      return await tosClient.uploadFile(filePath, objectKey);
+      return await getTOSClient().uploadFile(filePath, objectKey);
     } catch (error) {
       console.error('上传本地文件失败:', error.message);
       throw error;
@@ -51,7 +61,7 @@ export class TOSService {
     try {
       const fileName = path.basename(new URL(url).pathname) || 'downloaded-file';
       const objectKey = targetPath || `downloads/${Date.now()}-${fileName}`;
-      return await tosClient.uploadFromUrl(url, objectKey);
+      return await getTOSClient().uploadFromUrl(url, objectKey);
     } catch (error) {
       console.error('从URL上传文件失败:', error.message);
       throw error;
@@ -69,7 +79,7 @@ export class TOSService {
   ): Promise<string> {
     try {
       const objectKey = `${folder}/${Date.now()}-${fileName}`;
-      return await tosClient.uploadBytes(buffer, objectKey, contentType);
+      return await getTOSClient().uploadBytes(buffer, objectKey, contentType);
     } catch (error) {
       console.error('上传Buffer失败:', error.message);
       throw error;
@@ -81,7 +91,7 @@ export class TOSService {
    */
   static async downloadFile(objectKey: string): Promise<Buffer> {
     try {
-      return await tosClient.downloadFile(objectKey);
+      return await getTOSClient().downloadFile(objectKey);
     } catch (error) {
       console.error('下载文件失败:', error.message);
       throw error;
@@ -93,7 +103,7 @@ export class TOSService {
    */
   static async deleteFile(objectKey: string): Promise<boolean> {
     try {
-      return await tosClient.deleteFile(objectKey);
+      return await getTOSClient().deleteFile(objectKey);
     } catch (error) {
       console.error('删除文件失败:', error.message);
       throw error;
@@ -105,7 +115,7 @@ export class TOSService {
    */
   static async fileExists(objectKey: string): Promise<boolean> {
     try {
-      return await tosClient.fileExists(objectKey);
+      return await getTOSClient().fileExists(objectKey);
     } catch (error) {
       console.error('检查文件存在性失败:', error.message);
       throw error;
@@ -117,7 +127,7 @@ export class TOSService {
    */
   static async getFileInfo(objectKey: string): Promise<any> {
     try {
-      return await tosClient.getFileInfo(objectKey);
+      return await getTOSClient().getFileInfo(objectKey);
     } catch (error) {
       console.error('获取文件信息失败:', error.message);
       throw error;
@@ -129,7 +139,7 @@ export class TOSService {
    */
   static async generateTempUrl(objectKey: string, expires: number = 3600): Promise<string> {
     try {
-      return await tosClient.generateUrl(objectKey, expires);
+      return await getTOSClient().generateUrl(objectKey, expires);
     } catch (error) {
       console.error('生成临时URL失败:', error.message);
       throw error;
@@ -140,7 +150,7 @@ export class TOSService {
    * 获取公开访问URL
    */
   static getPublicUrl(objectKey: string): string {
-    return tosClient.getBaseUrl(objectKey);
+    return getTOSClient().getBaseUrl(objectKey);
   }
 
   /**
@@ -148,7 +158,7 @@ export class TOSService {
    */
   static async listFiles(prefix?: string, maxKeys: number = 100): Promise<any[]> {
     try {
-      return await tosClient.listObjects(prefix, maxKeys);
+      return await getTOSClient().listObjects(prefix, maxKeys);
     } catch (error) {
       console.error('列出文件失败:', error.message);
       throw error;
@@ -156,8 +166,8 @@ export class TOSService {
   }
 }
 
-// 导出客户端实例和服务类
+// 导出客户端实例获取函数和服务类
-export { tosClient, TOSClientWrapper };
+export { getTOSClient as tosClient, TOSClientWrapper };
 export default TOSService;
 
 // 使用示例代码