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32 lines
784 B
C#
32 lines
784 B
C#
using System;
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using System.ComponentModel;
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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 StringEntity : BaseEntity
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{
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[Browsable(false)]
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public string Id { get; set; }
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/// <summary>
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/// 判断主键是否为空，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 string.IsNullOrEmpty(Id);
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}
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/// <summary>
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/// 创建默认的主键值
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/// </summary>
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public override void GenerateDefaultKeyVal()
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{
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Id = Guid.NewGuid().ToString();
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}
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}
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}
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