ASP.NET Core EFCore 之Code First

1.在.NET Core项目中使用Nuget引用包 

Sql Server 请安装 Microsoft.EntityFrameworkCore.SqlServer

 

2.添加实体类

    [Table("AdminUsers")]
    public class AdminUser
    {
        [Key]
        public string Id { get; set; }

        [DisplayName("名称")]
        [MaxLength(30), Required]
        public string Name { get; set; }
        
        [DisplayName("创建日期")]
        public DateTimeOffset Created { get; set; }

        [DisplayName("创建日期")]
        public DateTimeOffset Modified { get; set; }

        public virtual void Create(WFDbContext db)
        {
            Id = Guid.NewGuid().ToString();
            Created = Modified = DateTimeOffset.Now;
        }

        public virtual void Modify(WFDbContext db)
        {
            Modified = DateTimeOffset.Now;
            db.Entry(this).State = EntityState.Modified;
        }
    }

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