c# 深复制

public static T DeepCopyByReflect<T>(T obj)
{
    //如果是字符串或值类型则直接返回
    if (obj is string || obj.GetType().IsValueType) return obj;

    object retval = Activator.CreateInstance(obj.GetType());
    FieldInfo[] fields = obj.GetType().GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static);
    foreach (FieldInfo field in fields)
    {
        try { field.SetValue(retval, DeepCopyByReflect(field.GetValue(obj))); }
        catch { }
    }
    return (T)retval;
}