typeorm 隐藏列

import { Column, Entity, ManyToOne, PrimaryGeneratedColumn } from "typeorm";
import { UserEntity } from "./user.entity";
@Entity('content_1')
export class Content {
    @PrimaryGeneratedColumn()
    id: number;
    //  隐藏列，只能通过addSelect函数索引
    @Column({
        select:false
    })
    opacity:string
}

return await getRepository(Content)
  .createQueryBuilder('content')
  .leftJoinAndSelect('content.user','suer')
  .addSelect('content.opacity')    //    只能通过addSelect 查询才能显示出来
  .getMany()