如何从控制器JSON返回的值中排除实体字段. NestJS + Typeorm

问题描述

我想从返回的JSON中排除密码字段.我正在使用NestJS和Typeorm.

I want to exclude password field from returned JSON. I am using NestJS and Typeorm.

不适用于我或NestJS.如果需要，我可以发布我的代码.还有其他想法或解决方案吗?谢谢.

The solution provided on this question doesn't work for me or in NestJS. I can post my code if needed.Any other ideas or solutions? Thanks.

推荐答案

我建议创建一个利用类转换器库:

I'd suggest creating an interceptor that takes advantage of the class-transformer library:

@Injectable()
export class TransformInterceptor implements NestInterceptor {
  intercept(
    context: ExecutionContext,
    call$: Observable<any>,
  ): Observable<any> {
    return call$.pipe(map(data => classToPlain(data)));
  }
}

然后，只需使用@Exclude()装饰器排除属性，例如:

Then, simply exclude properties using @Exclude() decorator, for example:

import { Exclude } from 'class-transformer';

export class User {
    id: number;
    email: string;

    @Exclude()
    password: string;
}

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