问3多对多typeOrm

EN

import { Entity, Column, ManyToOne, PrimaryGeneratedColumn } from "typeorm";
import { Post } from "./post";
import { Category } from "./category";

@Entity()
export class PostToCategory {
@PrimaryGeneratedColumn()
public postToCategoryId!: number;

@Column()
public postId!: number;

@Column()
public categoryId!: number;

@Column()
public order!: number;

@ManyToOne(type => Post, post => post.postToCategories)
public post!: Post;

@ManyToOne(type => Category, category => category.postToCategories)
public category!: Category;
}

// category.ts
...
@OneToMany(type => PostToCategory, postToCategory => postToCategory.category)
public postToCategories!: PostToCategory[];

// post.ts
...
@OneToMany(type => PostToCategory, postToCategory => postToCategory.post)
public postToCategories!: PostToCategory[];