复制两个具有不同命名空间的相同对象(递归反射) [英] Copy two identical object with different namespaces (recursive reflection)

问题描述

我在 c# 中使用多个工作区，这些工作区具有一个特定类，每个工作区中的类始终相同.我希望能够拥有此类的副本，以便能够在不处理名称空间差异的情况下使用它.示例:

I'm working in c# with several workspaces that have one specific class which his always the same in each workspace. I would like to be able have a copy of this class to be able to work with it without dealing with namespaces differences. example :

namespace1 {
    class class1{
        public class2;
    }

    class class2{
        public string;
    }

}

namespace2 {
    class class1{
        public class2;
    }

    class class2{
        public string;
    }
}

在我复制的类中，我有一个函数可以将所有数据复制到命名空间的类之一.如果我只有 c# 标准类型，它就可以工作.一旦我处理 class2 对象(也来自不同的命名空间)，我就得到了例外(对象与目标类型不匹配.")

In my copied Class I've got a function to copy all data's to one of the namespace's class. It's working if i only have c# standard types. I got exeption ( "Object does not match target type." ) as soon as I'm dealing with class2 object (which is also from different namespaces)

public Object toNamespaceClass(Object namespaceClass)
{
    try
    {
        Type fromType = this.GetType();
        Type toType = namespaceClass.GetType();

        PropertyInfo[] fromProps = fromType.GetProperties();
        PropertyInfo[] toProps = toType.GetProperties();

        for (int i = 0; i < fromProps.Length; i++)
        {
            PropertyInfo fromProp = fromProps[i];
            PropertyInfo toProp = toType.GetProperty(fromProp.Name);
            if (toProp != null)
            {
                toProp.SetValue(this, fromProp.GetValue(namespaceClass, null), null);
            }
        }

    }
    catch (Exception ex)
    {
    }
    return namespaceClass;
}

任何人都知道如何处理这种递归反射".

Anyone do have any idea of how to deal with this kind of "recursivity reflection".

我希望一切都是可以理解的.

I hope eveything is understandable.

谢谢，再见！

我想我已经解决了(至少在我看来)，明天我会在工作中尝试解决方案.如果属性不是标准类型，将我的函数从我的类中取出并递归使用它可能是解决方案.

Edit : I think i got it solved (at least in my mind), I'll try the solution back at work tomorrow. Taking my function out of my class and using it recursively if a property is not a standard type is maybe the solution.

推荐答案

我已经解决了，只是为了让你知道我是如何做到的:这个解决方案非常完美，因为它只处理一维数组而不是更多.

I got it solved , just to let you know how I did it : This solution is sot perfect because it handle only 1 dimensions array not more.

public static Object CopyObject(Object from , Object to)
{
    try
    {
        Type fromType = from.GetType();
        Type toType = to.GetType();

        PropertyInfo[] fromProps = fromType.GetProperties();
        PropertyInfo[] toProps = toType.GetProperties();

        for (int i = 0; i < fromProps.Length; i++)
        {
            PropertyInfo fromProp = fromProps[i];
            PropertyInfo toProp = toType.GetProperty(fromProp.Name);
            if (toProp != null)
            {
                if (toProp.PropertyType.Module.ScopeName != "CommonLanguageRuntimeLibrary")
                {
                    if (!toProp.PropertyType.IsArray)
                    {
                        ConstructorInfo ci = toProp.PropertyType.GetConstructor(new Type[0]);
                        if (ci != null)
                        {
                            toProp.SetValue(to, ci.Invoke(null), null);
                            toProp.SetValue(to, gestionRefelexion.CopyObject(fromProp.GetValue(from, null), toProp.GetValue(to, null)), null);
                        }
                    }
                    else
                    {
                        Type typeToArray = toProp.PropertyType.GetElementType();
                        Array fromArray = fromProp.GetValue(from, null) as Array;
                        toProp.SetValue(to, copyArray(fromArray, typeToArray), null);
                    }
                }
                else
                {
                    toProp.SetValue(to, fromProp.GetValue(from, null), null);
                }
            }
        }
    }
    catch (Exception ex)
    {
    }
    return to;
}

public static Array copyArray(Array from, Type toType)
{
    Array toArray =null;
    if (from != null)
    {
        toArray= Array.CreateInstance(toType, from.Length);

        for (int i = 0; i < from.Length; i++)
        {
            ConstructorInfo ci = toType.GetConstructor(new Type[0]);
            if (ci != null)
            {
                toArray.SetValue(ci.Invoke(null), i);
                toArray.SetValue(gestionRefelexion.CopyObject(from.GetValue(i), toArray.GetValue(i)), i);
            }
        }
    }
    return toArray;
}

希望这可以帮助一些人.谢谢大家的帮助.干杯

Hope this can help some people. Thanks for helping everyone. Cheers

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