C#深拷贝 反射实现
/// <summary> /// 对象拷贝 /// </summary> /// <param name="obj">被复制对象</param> /// <returns>新对象</returns> private object CopyOjbect(object obj) { if (obj == null) { return null; } Object targetDeepCopyObj; Type targetType = obj.GetType(); //值类型 if (targetType.IsValueType == true) { targetDeepCopyObj = obj; } //引用类型 else { targetDeepCopyObj = System.Activator.CreateInstance(targetType); //创建引用对象 System.Reflection.MemberInfo[] memberCollection = obj.GetType().GetMembers(); foreach (System.Reflection.MemberInfo member in memberCollection) { //拷贝字段 if (member.MemberType == System.Reflection.MemberTypes.Field) { System.Reflection.FieldInfo field = (System.Reflection.FieldInfo)member; Object fieldValue = field.GetValue(obj); if (fieldValue is ICloneable) { field.SetValue(targetDeepCopyObj, (fieldValue as ICloneable).Clone()); } else { field.SetValue(targetDeepCopyObj, CopyOjbect(fieldValue)); } }//拷贝属性 else if (member.MemberType == System.Reflection.MemberTypes.Property) { System.Reflection.PropertyInfo myProperty = (System.Reflection.PropertyInfo)member; MethodInfo info = myProperty.GetSetMethod(false); if (info != null) { try { object propertyValue = myProperty.GetValue(obj, null); if (propertyValue is ICloneable) { myProperty.SetValue(targetDeepCopyObj, (propertyValue as ICloneable).Clone(), null); } else { myProperty.SetValue(targetDeepCopyObj, CopyOjbect(propertyValue), null); } } catch (System.Exception ex) { } } } } } return targetDeepCopyObj; }
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