对象与String的转换

[darkone]

对象可以用tostring方法转换为string,string怎么转换回对象那？

[zushenf]

string 本身就是一个对象

[bethrezen]

string str;
object k=str;

[chinchy]

用反射

<FrameworkSDK>\Samples\Technologies\Reflection\Invoke

[asam2183]

chinchy(人民需要人民币)说得对

[darkone]

up........

[dolphin2001]

查看帮助: TStream::ReadComponent

下面是帮助里面举的例子:
你可以参考一下,如果你需要转化你自己的类,需要在调用转化回去之前:调用:

RegisterClass方法注册你的类,例如你如果你的类名为 TTest

调用: RegisterClass(__classid(TTest);

AnsiString ComponentToString(TComponent* c)

{
AnsiString as;
TMemoryStream* pms = new TMemoryStream();
TStringStream* pss = new TStringStream(as);

try
{
pms->WriteComponent(c);
pms->Seek(0, soFromBeginning);
ObjectBinaryToText(pms, pss);
pss->Seek(0, soFromBeginning);
as = pss->DataString;
}
catch(...)
{
ShowMessage("Streaming error.");
}

delete pms;
delete pss;
return as;
}

TComponent* StringToComponent(AnsiString as)
{
TMemoryStream* pms = new TMemoryStream();

TStringStream* pss = new TStringStream(as);
TComponent *pc;

try
{
ObjectTextToBinary(pss, pms);
pms->Seek(0, soFromBeginning);
}
catch(...)
{
ShowMessage("Streaming error.");
}

pc = pms->ReadComponent(NULL);
delete pms;
delete pss;
return pc;
}