48 lines
1.6 KiB
C#
48 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Web;
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namespace DataTransferService.Method
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{
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public abstract class EntityBase
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{
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/// <summary>
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/// 索引器，可以用字符串访问变量属性
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/// </summary>
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/// <param name="propertyName">属性名称</param>
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/// <returns>属性值，如果传入的属性名称不存在，返回null</returns>
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public object this[string propertyName]
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{
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get
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{
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//从所有获取的属性值中找到传入的属性值
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var pi = this.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly).FirstOrDefault(p => p.Name.ToUpper().Equals(propertyName.ToUpper()));
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if (null != pi && null != pi.GetMethod)
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{
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return pi.GetValue(this);
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}
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else
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{
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return null;
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}
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}
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set
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{
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var pi = this.GetType().GetProperties().FirstOrDefault(p => p.Name.ToUpper().Equals(propertyName.ToUpper()));
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if (null != pi && null != pi.SetMethod)
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{
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if (pi.PropertyType.Equals(value.GetType()))
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{
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pi.SetValue(this, value);
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}
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else
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{
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pi.SetValue(this, Convert.ChangeType(value, pi.PropertyType));
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}
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}
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}
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}
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}
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} |