book_text8.htm

深入编程内幕vc++ 非常适合处学者学习

            </SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">类拥有基本的序列化功能，通过对此类的继承实现可以获得这些功能，此外一个无参数的构造函数是不可缺少的。</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><O:P> 
            </O:P></SPAN></P>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 20pt; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'">我们打开<SPAN 
            lang=EN-US>Line.h后，在CLine类定义中第一句就可以是DECLARE__SERIAL(CLine),这个宏不需要加分号。</SPAN></SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><O:P> 
            </O:P></SPAN></P>
            <H4 style="mso-line-height-alt: 1.3pt"><SPAN lang=EN-US 
            style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial">2 </SPAN><SPAN 
            style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'MS Sans Serif'">重载</SPAN><SPAN 
            lang=EN-US 
            style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial">Serialize 
            </SPAN><SPAN 
            style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'MS Sans Serif'">成员函数</SPAN><SPAN 
            lang=EN-US 
            style="FONT-FAMILY: 宋体; mso-hansi-font-family: Arial"><O:P> 
            </O:P></SPAN></H4>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 24pt; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">我们要实现序列化，先对其进行改造，在</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">WorkSpace</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">ClassView</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">中选择</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">CLine</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">类，单击鼠标右键，选择</SPAN><SPAN 
            lang=EN-US style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">Add 
            <U>M</U>ember Function</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">增加一个成员函数：</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><O:P> 
            </O:P></SPAN></P>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-ALIGN: center; mso-line-height-alt: 1.3pt; punctuation-wrap: simple" 
            align=center><!--[if gte vml 1]><O:WRAPBLOCK><V:SHAPE 
            id=_x0000_s1027 
            style="MARGIN-TOP: 7.45pt; Z-INDEX: 2; LEFT: 0px; MARGIN-LEFT: 60pt; WIDTH: 313.5pt; POSITION: absolute; HEIGHT: 235.15pt; TEXT-ALIGN: left; mso-position-horizontal-relative: text; mso-position-vertical-relative: text" 
            o:allowincell="f" type="#_x0000_t75"><V:IMAGEDATA o:title="" 
            src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msoclip1/01/clip_image003.png" 
            /><W:WRAP type="topAndBottom" /></V:SHAPE><![endif]--><SPAN 
            style="mso-ignore: vglayout">
            <TABLE cellSpacing=0 cellPadding=0>
              <TBODY>
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                <TD width=80 height=0></TD></TR>
              <TR>
                <TD></TD>
                <TD><IMG height=313 src="book_text8.files/book_t2.jpg" 
                  width=418 v:shapes="_x0000_s1027"></TD></TR></TBODY></TABLE></SPAN><!--[if gte vml 1]></O:WRAPBLOCK><![endif]--><BR 
            style="mso-ignore: vglayout" clear=all><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">图</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">3.10<O:P> 
            </O:P></SPAN>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">VC</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将会跳出如</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">3.11</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">所示下添加函数的对话框：</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"><O:P> 
            </O:P></SPAN></P><SPAN lang=EN-US 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><BR 
            style="PAGE-BREAK-BEFORE: always; mso-special-character: line-break" 
            clear=all></SPAN>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">&nbsp;<O:P> 
            </O:P></SPAN></P>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 170pt; mso-line-height-alt: 1.3pt; punctuation-wrap: simple; mso-outline-level: 1"><!--[if gte vml 1]><O:WRAPBLOCK><V:SHAPE 
            id=_x0000_s1028 
            style="MARGIN-TOP: 1.5pt; Z-INDEX: 3; MARGIN-LEFT: 60pt; WIDTH: 285pt; POSITION: absolute; HEIGHT: 141.35pt; mso-position-horizontal-relative: text; mso-position-vertical-relative: text" 
            o:allowincell="f" type="#_x0000_t75"><V:IMAGEDATA o:title="" 
            src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msoclip1/01/clip_image005.png" 
            /><W:WRAP type="topAndBottom" /></V:SHAPE><![endif]--><SPAN 
            style="mso-ignore: vglayout">
            <TABLE cellSpacing=0 cellPadding=0>
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                <TD width=80 height=0></TD></TR>
              <TR>
                <TD></TD>
                <TD><IMG height=188 src="book_text8.files/book_t3.jpg" 
                  width=380 v:shapes="_x0000_s1028"></TD></TR></TBODY></TABLE></SPAN><!--[if gte vml 1]></O:WRAPBLOCK><![endif]--><BR 
            style="mso-ignore: vglayout" clear=all><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">图</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">3.11<O:P> 
            </O:P></SPAN>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; TEXT-INDENT: 24pt; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">Function 
            <U>T</U>ype</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">输入</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">void,</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">Function 
            <U>D</U>eclaretion</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">输入</SPAN><SPAN 
            lang=EN-US style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt"> 
            Serialize(CArchive&amp; ar),</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">然后选择</SPAN><U><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">V</SPAN></U><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">irtual</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，按</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">OK</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">即可。然后在</SPAN><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt">ClassView</SPAN><SPAN 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">中可以看到这个函数。</SPAN><B 
            style="mso-bidi-font-weight: normal"><SPAN lang=EN-US 
            style="FONT-SIZE: 10.5pt; COLOR: blue; mso-bidi-font-size: 10.0pt"><O:P> 
            </O:P></SPAN></B></P>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'MS Sans Serif'"><SPAN 
            style="mso-spacerun: yes">&nbsp;</SPAN>下面我们编辑这个函数，双击WorkSpace显示的CLine类的Serialize函数，则转到Line.cpp中其实现处。这个函数的实现如下：<O:P> 
            </O:P></SPAN></P>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; BACKGROUND: #d9d9d9; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-shading: white; mso-pattern: gray-15 black">void 
            CLine::Serialize(CArchive &amp; ar)<O:P> </O:P></SPAN></P>
            <P class=MsoNormal 
            style="WORD-BREAK: break-all; mso-line-height-alt: 1.3pt; punctuation-wrap: simple"><SPAN 
            lang=EN-US 
            style="FONT-SIZE: 10.5pt; BACKGROUND: #d9d9d9; FONT-FAMILY: 'Courier New'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-shading: white; mso-pattern: gray-15 black">{<O:P> 
            </O:P></SPAN></P>
            <P class=MsoNormal