创建自动生成的列

假设你希望 id 列自动生成（这称为 auto-increment/sequence/serial/generated identity column）。为此你需要将@PrimaryColumn装饰器更改为@PrimaryGeneratedColumn装饰器：

import { Entity, Column, PrimaryGeneratedColumn } from "typeorm";
@Entity()
export class Photo {
  @PrimaryGeneratedColumn()
  id: number;
  @Column()
  name: string;
  @Column()
  description: string;
  @Column()
  filename: string;
  @Column()
  views: number;
  @Column()
  isPublished: boolean;
}