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using System.ComponentModel ;
using System.ComponentModel.DataAnnotations ;
using System.ComponentModel.DataAnnotations.Schema ;
namespace Common.Repository.Core
{
/// <summary>
/// 主键为字符串的实体基类,为系统默认的实体类型
/// </summary>
public class UserEntity : BaseEntity
{
/// <summary>
///
/// </summary>
[Browsable(false)]
[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int UserID { get ; set ; }
/// <summary>
/// 判断主键是否为0, 常用做判定操作是【添加】还是【编辑】
/// </summary>
/// <returns></returns>
public override bool KeyIsNull ( )
{
return UserID = = 0 ;
}
/// <summary>
///
/// </summary>
public override void GenerateDefaultKeyVal ( )
{
//主键自动增长类型,可以不用该方法生成主键,设置该方法为空方法即可
//当DbContext执行SaveChanges()后, 如果添加成功, 可以直接获取对象的Id
}
}
}