Nhibernate,需要帮助构建实体类

发布于 2024-12-23 08:14:11 字数 1020 浏览 1 评论 0原文

我有3张桌子,它们很简单。用户、帖子、收藏。

            User Table:
            Id: int
            Name: string
            --------------------------------

            Post Table:
            Id: int
            Title: string
            UserId: int  (this is the FK)
            --------------------------------

            Favorite Table:
            UserId: int
            PostId: int
            --------------------------------

我为 User 和 Post 表创建 2 个类文件。不知道如何在那里添加收藏夹表,收藏夹表允许用户为他们最喜欢的帖子添加书签。

            public class User : Entity
            {
                public User() { this.Posts = new List<Post>;}
                public virtual string Name { get; set; }
                public virtual IList<Post> Posts {get; set;}
            }

            public class Post : Entity
            {
                public Post() {}
                public virtual string Title { get; set; }
                public virtual User User { get; set; }
            }

I have 3 tables, they are very simple. User, Post, Favorite.

            User Table:
            Id: int
            Name: string
            --------------------------------

            Post Table:
            Id: int
            Title: string
            UserId: int  (this is the FK)
            --------------------------------

            Favorite Table:
            UserId: int
            PostId: int
            --------------------------------

I create 2 class files for User and Post tables. Dont know how to add Favorite table there, Favorite table allows User to bookmark their favorite posts.

            public class User : Entity
            {
                public User() { this.Posts = new List<Post>;}
                public virtual string Name { get; set; }
                public virtual IList<Post> Posts {get; set;}
            }

            public class Post : Entity
            {
                public Post() {}
                public virtual string Title { get; set; }
                public virtual User User { get; set; }
            }

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评论(2

梦境 2024-12-30 08:14:11

你们有多对多的关系。最喜欢的表是用户和帖子之间的关系表。

public class Favorite : Entity
{
    public virtual Post Post { get; set; }
    public virtual User User { get; set; }
}

You have a many to many relation. The Favorite Table is the relation table between User and Post.

public class Favorite : Entity
{
    public virtual Post Post { get; set; }
    public virtual User User { get; set; }
}
若沐 2024-12-30 08:14:11

菜鸟,谢谢你的帮助。

添加您的表格后,我添加了
公共虚拟 IList 收藏夹 { get;放;}
用户表和帖子表。看起来还是不太对劲。

            public class User : Entity
            {
                public User() { this.Posts = new List<Post>;}
                public virtual string Name { get; set; }
                public virtual IList<Post> Posts {get; set;}
                public virtual IList<Favorite> Favorites { get; set;}
            }

            public class Post : Entity
            {
                public Post() {}
                public virtual string Title { get; set; }
                public virtual User User { get; set; }
                public virtual IList<Favorite> Favorites { get; set;}
            }

            public class Favorite : Entity
            {
                public virtual Post Post { get; set; }
                public virtual User User { get; set; }
            }

Rookian, thanks for you help.

After Add your table in, I added
public virtual IList Favorites { get; set;}
to both User and Post Tables. Still doesn't seem quite right.

            public class User : Entity
            {
                public User() { this.Posts = new List<Post>;}
                public virtual string Name { get; set; }
                public virtual IList<Post> Posts {get; set;}
                public virtual IList<Favorite> Favorites { get; set;}
            }

            public class Post : Entity
            {
                public Post() {}
                public virtual string Title { get; set; }
                public virtual User User { get; set; }
                public virtual IList<Favorite> Favorites { get; set;}
            }

            public class Favorite : Entity
            {
                public virtual Post Post { get; set; }
                public virtual User User { get; set; }
            }
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