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📄 cobject类 动态类原理.mht

📁 VC中实现类的动态映射
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=CA=B9=D3=C3DECLARE_DYNAMIC=A3=A8CLASSNMAE=A3=A9=BA=EA=A3=BB=20
  </FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff=20
  =
size=3D3>=D4=DA=C0=E0=B5=C4=CA=B5=CF=D6=CE=C4=BC=FE=D6=D0=CA=B9=D3=C3IMPL=
EMENT_DYNAMIC(CLASSNAME=A3=ACBASECLASS)=BA=EA=A1=A3 </FONT>
  <P>&nbsp;</P></LI></UL>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<OL>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff =
size=3D3>=B6=D4=B6=AF=CC=AC=B4=B4=BD=A8=B5=C4=D6=A7=B3=D6 </FONT>
  <P>&nbsp;</P></LI></OL>
<P align=3Djustify><FONT color=3D#3366ff=20
size=3D3>=C7=B0=C3=E6=CC=E1=B5=BD=C1=CB=B6=AF=CC=AC=B4=B4=BD=A8=B5=C4=B8=C5=
=C4=EE=A3=AC=BE=CD=CA=C7=D4=CB=D0=D0=CA=B1=B4=B4=BD=A8=D6=B8=B6=A8=C0=E0=B5=
=C4=CA=B5=C0=FD=A1=A3=D4=DAMFC=D6=D0=B4=F3=C1=BF=CA=B9=D3=C3=A3=AC=C8=E7=C7=
=B0=CB=F9=CA=F6=BF=F2=BC=DC=B4=B0=BF=DA=B6=D4=CF=F3=A1=A2=CA=D3=B6=D4=CF=F3=
=A3=AC=BB=B9=D3=D0=CE=C4=B5=B5=B6=D4=CF=F3=B6=BC=D0=E8=D2=AA=D3=C9=CE=C4=B5=
=B5=C4=A3=B0=E5=C0=E0(CDocTemplate)=B6=D4=CF=F3=C0=B4=B6=AF=CC=AC=B5=C4=B4=
=B4=BD=A8=A1=A3</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff=20
size=3D3>=B4=D3CObject=C5=C9=C9=FA=B5=C4=C0=E0=D2=AA=BE=DF=D3=D0=B6=AF=CC=
=AC=B4=B4=BD=A8=B5=C4=B9=A6=C4=DC=A3=AC=D0=E8=D2=AA=A3=BA</FONT></P>
<UL>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff =
size=3D3>=B6=A8=D2=E5=B8=C3=C0=E0=CA=B1=A3=AC=D4=DA=C0=E0=CB=B5=C3=F7=D6=D0=
=CA=B9=D3=C3DECLARE_DYNCREATE=A3=A8CLASSNMAE=A3=A9=BA=EA=A3=BB=20
  </FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff =
size=3D3>=B6=A8=D2=E5=D2=BB=B8=F6=B2=BB=B4=F8=B2=CE=CA=FD=B5=C4=B9=B9=D4=EC=
=BA=AF=CA=FD=A3=A8=C4=AC=C8=CF=B9=B9=D4=EC=BA=AF=CA=FD=A3=A9=A3=BB =
</FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff=20
  =
size=3D3>=D4=DA=C0=E0=B5=C4=CA=B5=CF=D6=CE=C4=BC=FE=D6=D0=CA=B9=D3=C3IMPL=
EMENT_DYNCREATE=A3=A8CLASSNAME=A3=ACBASECLASS=A3=A9=BA=EA=A3=BB </FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff=20
  =
size=3D3>=CA=B9=D3=C3=CA=B1=CF=C8=CD=A8=B9=FD=BA=EARUNTIME_CLASS=B5=C3=B5=
=BD=C0=E0=B5=C4RunTime=D0=C5=CF=A2=A3=AC=C8=BB=BA=F3=CA=B9=D3=C3CRuntimeC=
lass=B5=C4=B3=C9=D4=B1=BA=AF=CA=FDCreateObject=B4=B4=BD=A8=D2=BB=B8=F6=B8=
=C3=C0=E0=B5=C4=CA=B5=C0=FD=A1=A3=20
  </FONT>
  <P>&nbsp;</P></LI></UL>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>=C0=FD=C8=E7=A3=BA</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CRuntimeClass* =
pRuntimeClass =3D=20
RUNTIME_CLASS(CNname)</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>//CName=B1=D8=D0=EB=D3=D0=D2=BB=B8=F6=C8=B1=CA=A1=B9=B9=D4=EC=BA=
=AF=CA=FD</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CObject* pObject =3D=20
pRuntimeClass-&gt;CreateObject();</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>//=D3=C3IsKindOf=BC=EC=B2=E2=CA=C7=B7=F1=CA=C7CName=C0=E0=B5=C4=CA=
=B5=C0=FD</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>Assert(=20
pObject-&gt;IsKindOf(RUNTIME_CLASS(CName));</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<OL>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff =
size=3D3>=B6=D4=D0=F2=C1=D0=BB=AF=B5=C4=D6=A7=B3=D6 </FONT>
  <P>&nbsp;</P></LI></OL>
<DIR>
<P align=3Djustify><FONT color=3D#3366ff=20
size=3D3>=A1=B0=D0=F2=C1=D0=BB=AF=A1=B1=BE=CD=CA=C7=B0=D1=B6=D4=CF=F3=C4=DA=
=C8=DD=B4=E6=C8=EB=D2=BB=B8=F6=CE=C4=BC=FE=BB=F2=B4=D3=D2=BB=B8=F6=CE=C4=BC=
=FE=D6=D0=B6=C1=C8=A1=B6=D4=CF=F3=C4=DA=C8=DD=B5=C4=B9=FD=B3=CC=A1=A3=B4=D3=
CObject=C5=C9=C9=FA=B5=C4=C0=E0=D2=AA=BE=DF=D3=D0=D0=F2=C1=D0=BB=AF=B5=C4=
=B9=A6=C4=DC=A3=AC=D0=E8=D2=AA=A3=BA</FONT></P></DIR>
<UL>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff =
size=3D3>=B6=A8=D2=E5=B8=C3=C0=E0=CA=B1=A3=AC=D4=DA=C0=E0=CB=B5=C3=F7=D6=D0=
=CA=B9=D3=C3DECLARE_SERIAL=A3=A8CLASSNMAE=A3=A9=BA=EA=A3=BB=20
</FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff =
size=3D3>=B6=A8=D2=E5=D2=BB=B8=F6=B2=BB=B4=F8=B2=CE=CA=FD=B5=C4=B9=B9=D4=EC=
=BA=AF=CA=FD=A3=A8=C4=AC=C8=CF=B9=B9=D4=EC=BA=AF=CA=FD=A3=A9=A3=BB =
</FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff=20
  =
size=3D3>=D4=DA=C0=E0=B5=C4=CA=B5=CF=D6=CE=C4=BC=FE=D6=D0=CA=B9=D3=C3IMPL=
EMENT_SERIAL=A3=A8CLASSNAME=A3=ACBASECLASS=A3=A9=BA=EA=A3=BB </FONT>
  <P>&nbsp;</P>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff=20
  =
size=3D3>=B8=B2=B8=C7Serialize=B3=C9=D4=B1=BA=AF=CA=FD=A1=A3=A3=A8=C8=E7=B9=
=FB=D6=B1=BD=D3=B5=F7=D3=C3Serialize=BA=AF=CA=FD=BD=F8=D0=D0=D0=F2=C1=D0=BB=
=AF=B6=C1=D0=B4=A3=AC=BF=C9=D2=D4=CA=A1=C2=D4=C7=B0=C3=E6=C8=FD=B2=BD=A1=A3=
=A3=A9 </FONT>
  <P>&nbsp;</P></LI></UL>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff=20
size=3D3>=B6=D4=D4=CB=D0=D0=CA=B1=C0=E0=D0=C5=CF=A2=B5=C4=D6=A7=B3=D6=A1=A2=
=B6=AF=CC=AC=B4=B4=BD=A8=B5=C4=D6=A7=B3=D6=A1=A2=B4=AE=D0=D0=BB=AF=B5=C4=D6=
=A7=B3=D6=B2=E3=A3=A8=B2=BB=B0=FC=C0=A8=D6=B1=BD=D3=B5=F7=D3=C3Serailize=CA=
=B5=CF=D6=D0=F2=C1=D0=BB=AF=A3=A9=A3=AC=D5=E2=C8=FD=D6=D6=B9=A6=C4=DC=B5=C4=
=B2=E3=B4=CE=D2=C0=B4=CE=C9=FD=B8=DF=A1=A3=C8=E7=B9=FB=B6=D4=BA=F3=C3=E6=B5=
=C4=B9=A6=C4=DC=D6=A7=B3=D6=A3=AC=B1=D8=B6=A8=B6=D4=C7=B0=C3=E6=B5=C4=B9=A6=
=C4=DC=D6=A7=B3=D6=A1=A3=D6=A7=B3=D6=B6=AF=CC=AC=B4=B4=BD=A8=B5=C4=BB=B0=A3=
=AC=B1=D8=B6=A8=D6=A7=B3=D6=D4=CB=D0=D0=CA=B1=C0=E0=D0=C5=CF=A2=A3=BB=D6=A7=
=B3=D6=D0=F2=C1=D0=BB=AF=A3=AC=B1=D8=B6=A8=D6=A7=B3=D6=C7=B0=C3=E6=B5=C4=C1=
=BD=B8=F6=B9=A6=C4=DC=A3=AC=D2=F2=CE=AA=CB=FC=C3=C7=B5=C4=C9=F9=C3=F7=BA=CD=
=CA=B5=CF=D6=B6=BC=CA=C7=BA=F3=D5=DF=B0=FC=BA=AC=C7=B0=D5=DF=A1=A3</FONT>=
</P>
<OL>
  <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
  <LI><FONT color=3D#3366ff size=3D3>=D7=DB=BA=CF=CA=BE=C0=FD=A3=BA =
</FONT>
  <P>&nbsp;</P></LI></OL>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>=B6=A8=D2=E5=D2=BB=B8=F6=D6=A7=B3=D6=B4=AE=D0=D0=BB=AF=B5=C4=C0=E0=
CPerson=A3=BA</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>class CPerson : public =

CObject</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>{</FONT></P>
<DIR>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>public:</FONT></P></DIR>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>DECLARE_SERIAL( =
CPerson )</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>// =
=C8=B1=CA=A1=B9=B9=D4=EC=BA=AF=CA=FD</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>CPerson(){}{};</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CString =
m_name;</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>WORD =
m_number;</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>void Serialize( =
CArchive&amp;=20
archive );</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>// rest of class=20
declaration</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>};</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff=20
size=3D3>=CA=B5=CF=D6=B8=C3=C0=E0=B5=C4=B3=C9=D4=B1=BA=AF=CA=FDSerialize=A3=
=AC=B8=B2=B8=C7CObject=B5=C4=B8=C3=BA=AF=CA=FD=A3=BA</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>void =
CPerson::Serialize(=20
CArchive&amp; archive )</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>{</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>// =
=CF=C8=B5=F7=D3=C3=BB=F9=C0=E0=BA=AF=CA=FD=B5=C4=CA=B5=CF=D6</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CObject::Serialize( =
archive=20
);</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>// now do the stuff =
for our specific=20
class</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>if( =
archive.IsStoring() )</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>archive &lt;&lt; =
m_name &lt;&lt;=20
m_number;</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>else</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>archive &gt;&gt; =
m_name &gt;&gt;=20
m_number;</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>}</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>=CA=B9=D3=C3=D4=CB=D0=D0=CA=B1=C0=E0=D0=C5=CF=A2=A3=BA</FONT></P=
>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CPerson a; </FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>ASSERT( a.IsKindOf( =
RUNTIME_CLASS(=20
CPerson ) ) );</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>ASSERT( a.IsKindOf( =
RUNTIME_CLASS(=20
CObject ) ) );</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>=B6=AF=CC=AC=B4=B4=BD=A8=A3=BA</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CRuntimeClass* =
pRuntimeClass =3D=20
RUNTIME_CLASS(CPerson)</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>//Cperson=D3=D0=D2=BB=B8=F6=C8=B1=CA=A1=B9=B9=D4=EC=BA=AF=CA=FD<=
/FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>CObject* pObject =3D=20
pRuntimeClass-&gt;CreateObject();</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>Assert(=20
pObject-&gt;IsKindOf(RUNTIME_CLASS(CPerson)); </FONT></P>
<OL>
  <OL>
    <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
    <LI><A name=3D_Toc445888993></A><A name=3D_Toc445782396></A><A=20
    name=3D_Toc452640892></A><A name=3D_Toc457298957></A><FONT =
size=3D3><FONT=20
    =
color=3D#3366ff><STRONG>=CA=B5=CF=D6CObject=CC=D8=D0=D4=B5=C4=BB=FA=D6=C6=
</STRONG> </FONT></FONT>
    <P>&nbsp;</P>
    <P align=3Djustify><FONT color=3D#3366ff=20
    =
size=3D3>=D3=C9=C9=CF=A3=AC=C7=E5=B3=FE=C1=CBCObject=B5=C4=BD=E1=B9=B9=A3=
=AC=D2=B2=C7=E5=B3=FE=C1=CB=B4=D3CObject=C5=C9=C9=FA=D0=C2=C0=E0=CA=B1=B3=
=CC=D0=F2=D4=B1=CA=B9=D3=C3CObject=CC=D8=D0=D4=B5=C4=B7=BD=B7=A8=A1=A3=CF=
=D6=D4=DA=C0=B4=BF=BC=B2=EC=D5=E2=D0=A9=B7=BD=B7=A8=C8=E7=BA=CE=C0=FB=D3=C3=
CObjet=B5=C4=BD=E1=B9=B9=A3=ACCObject=BD=E1=B9=B9=C8=E7=BA=CE=D6=A7=B3=D6=
=D5=E2=D0=A9=B7=BD=B7=A8=A1=A3</FONT></P>
    <P align=3Djustify><FONT color=3D#3366ff=20
    =
size=3D3>=CA=D7=CF=C8=A3=AC=D2=AA=BD=D2=CA=BEDECLARE_DYNAMIC=B5=C8=BA=EA=B5=
=C4=C4=DA=C8=DD=A3=AC=C8=BB=BA=F3=A3=AC=B7=D6=CE=F6=D5=E2=D0=A9=BA=EA=B5=C4=
=D7=F7=D3=C3=A1=A3</FONT></P>
    <OL>
      <P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
      <LI><A name=3D_Toc445888994></A><A name=3D_Toc445782397></A><A=20
      name=3D_Toc452640893></A><A name=3D_Toc457298958></A><FONT =
size=3D3><FONT=20
      =
color=3D#3366ff><STRONG>DECLARE_DYNAMIC=B5=C8=BA=EA=B5=C4=B6=A8=D2=E5</ST=
RONG> </FONT></FONT>
      <P>&nbsp;</P></LI></OL></LI></OL></OL>
<P align=3Djustify><FONT color=3D#3366ff=20
size=3D3>MFC=CC=E1=B9=A9=C1=CBDECLARE_DYNAMIC=A1=A2DECLARE_DYNCREATE=A1=A2=
DECLARE_SERIAL=C9=F9=C3=F7=BA=EA=B5=C4=C1=BD=D6=D6=B6=A8=D2=E5=A3=AC=B7=D6=
=B1=F0=D3=C3=D3=DA=BE=B2=CC=AC=C1=B4=BD=D3=B5=BDMFC=20
DLL=BA=CD=B6=AF=CC=AC=C1=B4=BD=D3=B5=BDMFC =
DLL=A1=A3=B6=D4=D3=A6=B5=C4=CA=B5=CF=D6=BA=EAIMPLEMNET_XXXX=D2=B2=D3=D0=C1=
=BD=D6=D6=B6=A8=D2=E5=A3=AC=B5=AB=CA=C7=A3=AC=D5=E2=C0=EF=CA=B5=CF=D6=BA=EA=
=BE=CD=B2=BB=C1=D0=BE=D9=C1=CB=A1=A3</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff =
size=3D3>MFC=B6=D4=D5=E2=D0=A9=BA=EA=B5=C4=B6=A8=D2=E5=C8=E7=CF=C2=A3=BA<=
/FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>#ifdef _AFXDLL =
//=B6=AF=CC=AC=C1=B4=BD=D3=B5=BDMFC=20
DLL</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>#define=20
<STRONG>DECLARE_DYNAMIC</STRONG>(class_name) \</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>protected: =
\</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>static CRuntimeClass* =
PASCAL=20
_GetBaseClass(); \</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>public: \</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>static const AFX_DATA =
CRuntimeClass=20
class##class_name; \</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>virtual CRuntimeClass* =

GetRuntimeClass() const; \</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3></FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>#define=20
_<STRONG>DECLARE_DYNAMIC</STRONG>(class_name) \</FONT></P>
<P align=3Djustify><FONT color=3D#3366ff size=3D3>protected: =
\</FONT></P>
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