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cellspacing="1" cellpadding="1" bgcolor="#000000"><tr bgcolor="#FFFFFF"><td width="100%" colspan="4" align="left"><table width="95%" align="center"><tr><td class="font1"><p align="center"><br><font size="3">用Delphi4的QReport部件生成报表</font><br><span class="nava"><font color="#CC9933">2000-06-09· -·中国计算机世界出版服务公司</font></span></p><p> 用户在使用数据库应用程序时经常要生成报表，利用Delphi 4的QReport 部件，可以帮助我们快速方便地生成报表。这里以一个设备管理报表为例说明如何用QReport部件与Query部件设计从多个数据表中生成报表。 <br> <br> <b>一、 所用数据库</b> <br> 这里用到三个Foxpro数据表，DLBMK（设备大类编码）、SBXHK（设备型号及配置）、BMSBK（设备所在部门），存放在D：\SB目录下。其库结构如下： <br> <b>（一） DLBMK</b> </p> <table width="546" border="0" cellspacing="1" cellpadding="0" bgcolor="6699cc"> <tr> <td height="19">字段名称</td> <td height="19">字段类型 </td> <td height="19">解释</td> </tr> <tr bgcolor="#FFFFFF"> <td height="20">1</td> <td height="20">DLBH N3</td> <td height="20">设备大类的编号</td> </tr> <tr bgcolor="#FFFFFF"> <td height="20">2</td> <td height="20">DLMC C20</td> <td height="20">设备大类的名称</td> </tr> </table> <p> <b>（二）SBXHK</b></p> <table width="546" border="0" cellspacing="1" cellpadding="0" bgcolor="6699cc"> <tr> <td>字段名称</td> <td>字段类型 </td> <td>解释</td> </tr> <tr bgcolor="#FFFFFF"> <td>1</td> <td>XHBM N3</td> <td>设备型号的编码</td> </tr> <tr bgcolor="#FFFFFF"> <td>2</td> <td>DLBH N3</td> <td>同DLBMK中的DLBH字段</td> </tr> <tr bgcolor="#FFFFFF"> <td>3</td> <td>SBXH C30</td> <td>设备型号</td> </tr> <tr bgcolor="#FFFFFF"> <td>4</td> <td>SBPZ C30 </td> <td>设备配置</td> </tr> <tr bgcolor="#FFFFFF"> <td>5</td> <td>SBSL N3</td> <td>设备数量</td> </tr> </table> <p> <b>（三）BMSBK</b></p> <table width="547" border="0" cellspacing="1" cellpadding="0" bgcolor="6699cc"> <tr> <td>字段名称</td> <td>字段类型</td> <td>解释</td> </tr> <tr bgcolor="#FFFFFF"> <td>1</td> <td>BMMC C20</td> <td>部门名称</td> </tr> <tr bgcolor="#FFFFFF"> <td>2</td> <td>XHBM N3</td> <td>同SBXHK中的XHBM字段</td> </tr> <tr bgcolor="#FFFFFF"> <td>3</td> <td>SL N3</td> <td>数量</td> </tr> </table> <p> 利用这三个数据表，要生成一个只有电脑部有而其他部门没有的设备型号的情况。 <br> </p> <p> <b>二、 程序中的部件及属性</b> <br> 程序中有两个窗体：主窗体mainForm与报表窗体repForm。主窗体mainForm中有两个TButton部件，设置如下： <br> </p> <blockquote> <p> <b>部件 属性及属性值</b><br> PreviewBtn:TButton Caption:预览<br> PrintBtn: TButton Caption:打印</p> </blockquote> <p> 报表窗体repForm中的部件及属性设置如下： <br> </p> <blockquote> <p> <b>部件 属性及属性值</b><br> Query1: TQuery DatabaseName:d:\sb<br> Active: True<br> Qrep1: TQuickrep Dataset:query1<br> TitleBand1: TQRBand BandType:rbTitle<br> HeadBand1: TQRBand BandType:rbColumnHeader<br> DrawLeft : True<br> DrawRight : True<br> DrawTop : True<br> DrawBottom : True <br> DetailBand1: TQRBand BandType:rbDetail<br>⌨️ 快捷键说明
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