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61 lines
1.9 KiB
61 lines
1.9 KiB
using System;
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using System.ComponentModel.DataAnnotations;
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namespace ChangkeTec.SDMS.Model.Attributes
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{
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/// <summary>
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/// 列来源属于
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/// </summary>
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[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
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public class ColumnSource : Attribute
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{
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/// <summary>
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/// </summary>
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/// <param name="sourceType">列来源。ENUM:枚举数据源.TABLE表数据源(外键关系)</param>
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/// <param name="typeName">来源数据源类型</param>
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/// <param name="columnNames">
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/// sourceType为TABLE时,columName是对应表中的列名
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/// columnNames[0]: ValueMember ,colums[1]：DisplayMember
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public ColumnSource(ColumnSourceType sourceType, Type typeName, string[] columnNames = null,
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string selector = null)
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{
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SourceType = sourceType;
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TypeName = typeName;
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ColumnNames = columnNames;
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Selector = selector;
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}
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public ColumnSourceType SourceType { get; }
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/// <summary>获取或设置属性映射到的列的从零开始的顺序。</summary>
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/// <returns>列的顺序。</returns>
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public Type TypeName { get; }
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/// <summary>获取或设置该属性映射到的列的数据库提供程序特定的数据类型。</summary>
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/// <returns>属性将映射到的列的数据库提供程序特定数据类型。</returns>
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[StringLength(50)]
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public string[] ColumnNames { get; }
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[StringLength(50)]
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public string Selector { get; set; }
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}
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public enum ColumnSourceType
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{
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/// <summary>
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/// 枚举数据源
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/// </summary>
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ENUM = 1,
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/// <summary>
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/// 表数据源
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/// </summary>
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TABLE = 2,
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/// <summary>
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/// bool类型
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/// </summary>
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Boolean = 4
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}
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}
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