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@svton/nestjs-object-storage-tencent-cos

v1.2.0

Published

Tencent COS adapter for @svton/nestjs-object-storage

Readme

@svton/nestjs-object-storage-tencent-cos

腾讯云 COS 对象存储适配器,用于 @svton/nestjs-object-storage

安装

pnpm add @svton/nestjs-object-storage @svton/nestjs-object-storage-tencent-cos

使用

基础配置

import { Module } from '@nestjs/common';
import { ObjectStorageModule } from '@svton/nestjs-object-storage';
import { createCosAdapter } from '@svton/nestjs-object-storage-tencent-cos';

@Module({
  imports: [
    ObjectStorageModule.forRoot({
      adapter: createCosAdapter({
        secretId: process.env.COS_SECRET_ID!,
        secretKey: process.env.COS_SECRET_KEY!,
        bucket: process.env.COS_BUCKET!,
        region: process.env.COS_REGION!, // 例如: ap-guangzhou
      }),
    }),
  ],
})
export class AppModule {}

异步配置

import { Module } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { ObjectStorageModule } from '@svton/nestjs-object-storage';
import { createCosAdapter } from '@svton/nestjs-object-storage-tencent-cos';

@Module({
  imports: [
    ConfigModule.forRoot(),
    ObjectStorageModule.forRootAsync({
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: (configService: ConfigService) => ({
        adapter: createCosAdapter({
          secretId: configService.get('COS_SECRET_ID')!,
          secretKey: configService.get('COS_SECRET_KEY')!,
          bucket: configService.get('COS_BUCKET')!,
          region: configService.get('COS_REGION')!,
          publicDomain: configService.get('COS_CDN_URL'), // 可选:CDN 域名
          useAccelerate: configService.get('COS_USE_ACCELERATE') === 'true', // 可选:使用全球加速
        }),
      }),
    }),
  ],
})
export class AppModule {}

使用示例

import { Injectable } from '@nestjs/common';
import { InjectObjectStorage, ObjectStorageClient } from '@svton/nestjs-object-storage';

@Injectable()
export class UploadService {
  constructor(
    @InjectObjectStorage()
    private readonly storage: ObjectStorageClient,
  ) {}

  async uploadFile(file: Express.Multer.File) {
    const key = `uploads/${Date.now()}-${file.originalname}`;

    // 上传文件
    const result = await this.storage.putObject({
      key,
      body: file.buffer,
      contentType: file.mimetype,
    });

    // 获取公开访问 URL
    const url = this.storage.getPublicUrl({ key });

    return { key, url, etag: result.etag };
  }

  async getPresignedUploadUrl(key: string) {
    // 生成预签名上传 URL(客户端直传)
    return this.storage.presign({
      key,
      method: 'PUT',
      expiresIn: 3600, // 1 小时
    });
  }

  async getPresignedDownloadUrl(key: string) {
    // 生成预签名下载 URL(私有文件访问)
    return this.storage.presign({
      key,
      method: 'GET',
      expiresIn: 3600,
    });
  }
}

配置选项

CosAdapterOptions

| 选项 | 类型 | 必填 | 说明 | |------|------|------|------| | secretId | string | 是 | 腾讯云 SecretId | | secretKey | string | 是 | 腾讯云 SecretKey | | bucket | string | 是 | 存储桶名称 | | region | string | 是 | 地域(如 ap-guangzhou、ap-shanghai) | | publicDomain | string | 否 | 自定义 CDN 域名 | | useAccelerate | boolean | 否 | 是否使用全球加速域名 |

环境变量

# 腾讯云 COS 配置
COS_SECRET_ID=your_secret_id
COS_SECRET_KEY=your_secret_key
COS_BUCKET=your-bucket-name
COS_REGION=ap-guangzhou
COS_CDN_URL=https://cdn.example.com  # 可选
COS_USE_ACCELERATE=false  # 可选

地域列表

常用地域代码:

  • ap-guangzhou - 广州
  • ap-shanghai - 上海
  • ap-beijing - 北京
  • ap-chengdu - 成都
  • ap-chongqing - 重庆
  • ap-hongkong - 香港
  • ap-singapore - 新加坡
  • na-siliconvalley - 硅谷
  • na-ashburn - 弗吉尼亚

完整列表请参考:https://cloud.tencent.com/document/product/436/6224

API 文档

完整 API 文档请参考 @svton/nestjs-object-storage

License

MIT