EF core mysql


导入

Pomelo.EntityFrameworkCore.MySql

 

    public class BloggingContext : DbContext
    {
        public DbSet<Blog> Blogs { get; set; }
        public DbSet<Post> Posts { get; set; }

        protected override void OnConfiguring(DbContextOptionsBuilder options)
            => options.UseMySql("server=localhost;userid=root;pwd=xxx;port=3306;database=world;");
    }

    public class Blog
    {
        public int BlogId { get; set; }
        public string Url { get; set; }

        public List<Post> Posts { get; } = new List<Post>();
    }

    public class Post
    {
        public int PostId { get; set; }
        public string Title { get; set; }
        public string Content { get; set; }

        public int BlogId { get; set; }
        public Blog Blog { get; set; }
    }

 

 

包控制台输入

Install-Package Microsoft.EntityFrameworkCore.Tools //引入包

Add-Migration InitialCreate //生成文件

Update-Database  //更新到数据库

 


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