40 lines
1.4 KiB
C#
40 lines
1.4 KiB
C#
namespace CommonHelper
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{
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using System;
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public static class ObjExtend
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{
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/// <summary>
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/// 从目标对象中复制属性的值，执行浅表复制
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/// </summary>
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/// <typeparam name="T">对象类型</typeparam>
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/// <param name="t">复制目标</param>
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/// <param name="s">复制原</param>
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/// <returns></returns>
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public static T CopyFrom<T>(this T t,object s) where T : class {
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foreach(var p in s.GetType().GetProperties()) {
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if(p.CanRead) {
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var tp = t.GetType().GetProperty(p.Name);
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if(tp != null && tp.CanWrite && canConvert(p.PropertyType,tp.PropertyType)) {
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tp.SetValue(t,p.GetValue(s));
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}
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}
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}
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return t as T;
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}
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/// <summary>
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/// 判断一个类型是否可以转换为另一个类型
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/// </summary>
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/// <param name="source">原类型</param>
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/// <param name="target">目标类型</param>
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private static bool canConvert(Type source,Type target) {
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//引用类型判断
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if(target.IsAssignableFrom(source)) {
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return true;
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}
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//Nullable<>类型判断
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//值类型判断
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return false;
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}
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}
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} |