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