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;
}