📄 c++ builder 程序设计实用教程 - 7_3 设计数据库报表 - 张晋 - 17xie.htm

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style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">上面向导设计完成的报表还不能浏览图片，需要进行修改。</SPAN></P>
<H4><SPAN lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．修改报表界面</SPAN></H4>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在设计完成的窗体中，在</SPAN><SPAN 
lang=EN-US>ColumnHeaderBand</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件上添加一个</SPAN><SPAN 
lang=EN-US>QRDBImage</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件</SPAN><SPAN 
lang=EN-US>QRDBImage1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，</SPAN><SPAN 
lang=EN-US>QRDBImage</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件的作用是在程序运行的过程中显示数据库中的图像，并且调整</SPAN><SPAN 
lang=EN-US>ColumnHeaderBand</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN 
lang=EN-US>QRDBImage1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的大小添加控件后的窗体如图</SPAN><SPAN 
lang=EN-US>7-15</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示。</SPAN></P>
<P class=a><SPAN lang=EN-US><IMG height=226 
src="C++ Builder 程序设计实用教程 - 7_3 设计数据库报表 - 张晋 - 17xie.files/35b08adcdb.gif" 
width=324 v:shapes="_x0000_i1027"></SPAN></P>
<P class=MsoCaption><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">图</SPAN><SPAN 
lang=EN-US>7-15<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">设计完成的窗体</SPAN></P>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">为了实现</SPAN><SPAN 
lang=EN-US>QRDBImage1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件和数据库的接口，请按照如图</SPAN><SPAN 
lang=EN-US>7-16</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示对</SPAN><SPAN 
lang=EN-US>QRDBImage1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">进行属性设置。</SPAN></P>
<P class=a><SPAN lang=EN-US><IMG height=241 
src="C++ Builder 程序设计实用教程 - 7_3 设计数据库报表 - 张晋 - 17xie.files/947a5b6c3f.jpg" 
width=119 v:shapes="_x0000_i1028"></SPAN></P>
<P class=MsoCaption><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">图</SPAN><SPAN 
lang=EN-US>7-16 <SPAN style="mso-spacerun: yes">&nbsp;</SPAN></SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">设置</SPAN><SPAN 
lang=EN-US>QRDBImage1</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件的属性</SPAN></P>
<P class=MsoNormal><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">本报表窗体用文字描述如下：</SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">object 
QRDBImage1: TQRDBImage<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Left = 
392<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Top = 
0<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Width = 
129<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Height = 
121<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Frame.Color 
= clBlack<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Frame.DrawTop = 
False<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Frame.DrawBottom = 
False<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Frame.DrawLeft = 
False<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">Frame.DrawRight = 
False<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">Size.Values 
= (<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">320.145833333333<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">1037.16666666667<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">0<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">341.3125)<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">DataField = 
'graphic'<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">DataSet = 
Table1<o:p></o:p></SPAN></P>
<P class=a2><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">end<o:p></o:p></SPAN></P>
<H4><SPAN lang=EN-US>3</SPAN><SPAN 
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．查看报表</SPAN></H4>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">做完以上的工作后，用鼠标选择菜单</SPAN><SPAN 
lang=EN-US>File</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中的</SPAN><SPAN 
lang=EN-US>Save All</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">选项，在弹出的对话框中选择合适的文件名保存文件。</SPAN></P>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在</SPAN><SPAN 
lang=EN-US>QuickRep</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">控件上单击鼠标的右键，在窗体上就会弹出一个对话框，在其中选择</SPAN><SPAN 
lang=EN-US>Preview</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">选项，就可以预览设计完成的报表了，结果如图</SPAN><SPAN 
lang=EN-US>7-17</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示。</SPAN></P>
<P class=a><SPAN lang=EN-US><IMG height=269 
src="C++ Builder 程序设计实用教程 - 7_3 设计数据库报表 - 张晋 - 17xie.files/cf57d143e6.jpg" 
width=359 v:shapes="_x0000_i1029"></SPAN></P>
<P class=MsoCaption><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">图</SPAN><SPAN 
lang=EN-US>7-17<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">设计完成的报表预览效果</SPAN></P>
<P class=MsoNormal><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P></DIV></DIV></CENTER>
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