5.对与表与表之间的关系，efcore是如何处理的

public class Account

    {

        [Key]

        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]

        public int AccountID { get; set; }

        public string LoginName { get; set; }

        public string Password { get; set; }

        public string SecurityStamp { get; set; }

        /// <summary>

        /// 默认： 1 可以登录   0 已删除(不能登陆)

        /// </summary>

        public int Status { get; set; }

        public virtual AccountInfo AccountInfo { get; set; }

        [ForeignKey("Role")]

        public int RoleID { get; set; }

        public virtual Role Role { get; set; }

        public virtual ICollection<AccountModule> AccountModules { get; set; }

    }

 public class AccountInfo

    {

        [Key]

        [ForeignKey("Account")]

        public int AccountID { get; set; }

        public virtual Account Account { get; set; }

        [Required]

        [StringLength()]

        public string Email { get; set; }

        [StringLength()]

        public string Mobile { get; set; }

        [StringLength()]

        public string Telephone { get; set; }

        [Required]

        [StringLength()]

        public string Name { get; set; }

        [StringLength()]

        public string QQNumber { get; set; }

    }

 public class AccountModule

    {

        [Key]

        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]

        public int AccountModuleID { get; set; }

        [ForeignKey("Account")]

        public int AccountID { get; set; }

        public virtual Account Account { get; set; }

        [ForeignKey("Module")]

        public int ModuleID { get; set; }

        public virtual Module Module { get; set; }

    }

 public class Role

    {

        [Key]

        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]

        public int RoleID { get; set; }

        public string RoleName { get; set; }

    }

看了上面几个Model相信大家已经知道了吧。

1对1,就是Account 对于 AccountInfo

多对一 就是Account对于Role

多对多 就是Account对于Module

相信大家应该已经理解了