📄 jb4-1-13.htm
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<p class="MsoNormal"><span lang="EN-US"><span style="mso-tab-count:1"> </span>10</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">、从</span><span lang="EN-US">dbSwing</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">标签页中添加</span><span lang="EN-US">DBDisposeMonitor</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件。当窗体关闭时，</span><span lang="EN-US">DBDisposeMonitor</span><span
style="font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">组件将关闭</span><span lang="EN-US">JdataStore</span><span
style="font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">。</span></p>
<p class="MsoNormal" style="margin-left:21.0pt"><span lang="EN-US">11</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">、为</span><span lang="EN-US">DBDisposeMonitor</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">dataAwareComponentContainer</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">属性。</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span><span style="mso-tab-count:1" lang="EN-US">
</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">为了能在应用程序中浏览数据，要按如下步骤添加用户界面组件并同</span><span
lang="EN-US">DataSet</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件绑定在一起：</span><span style="mso-tab-count:1" lang="EN-US"> </span></p>
<p class="MsoNormal" style="margin-left:60.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo3;
tab-stops:list 60.0pt"><span lang="EN-US">1、<span style="font:7.0pt "Times New Roman""> </span></span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">在组件树中选择</span><span lang="EN-US">contentPane</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">BorderLayout</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">）并设置</span><span lang="EN-US">layout</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">属性项为</span><span lang="EN-US">null</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">（空）。</span></p>
<p class="MsoNormal" style="margin-left:60.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo3;
tab-stops:list 60.0pt"><span lang="EN-US">2、<span style="font:7.0pt "Times New Roman""> </span></span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">放置一个</span><span lang="EN-US">JdbNavToolBar</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件到用户界面设计器中</span><span lang="EN-US">panel</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">（画板）的顶部。</span><span lang="EN-US">JdbNavToolBar1</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">（译者注：默认组件名）就自动粘贴在获得当前焦点的那个</span><span
lang="EN-US">DataSet</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件上。所以你不必设置它的</span><span lang="EN-US">DataSet</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">属性。</span></p>
<p class="MsoNormal" style="margin-left:60.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo3;
tab-stops:list 60.0pt"><span lang="EN-US">3、<span style="font:7.0pt "Times New Roman""> </span></span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">放置一个</span><span lang="EN-US">JdbStatusLabel</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件到用户界面设计器的底部，</span><span lang="EN-US">JdbStatusLabel1</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">（译者注：默认组件名）就自动粘贴在获得当前焦点的那个</span><span
lang="EN-US">DataSet</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">上。所以你不必设置它的</span><span lang="EN-US">DataSet</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">属性。</span></p>
<p class="MsoNormal" style="margin-left:60.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo3;
tab-stops:list 60.0pt"><span lang="EN-US">4、<span style="font:7.0pt "Times New Roman""> </span></span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">将</span><span lang="EN-US">dbSwing</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">标签页的</span><span lang="EN-US">TableScrollPane</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件添加到用户界面设计器中。</span></p>
<p class="MsoNormal" style="margin-left:60.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo3;
tab-stops:list 60.0pt"><span lang="EN-US">5、<span style="font:7.0pt "Times New Roman""> </span></span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">将</span><span lang="EN-US">JdbTable</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">组件放置到</span><span lang="EN-US">tableScrollPane1</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">（译者注：默认组件名）的中央，并设其</span><span lang="EN-US">dataSet</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">属性为</span><span lang="EN-US">queryDataSet1</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">。</span></p>
<p class="MsoNormal" style="margin-left:60.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo3;
tab-stops:list 60.0pt"><span lang="EN-US">6、<span style="font:7.0pt "Times New Roman""> </span></span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">选择菜单项</span><span lang="EN-US">Run | Run Project</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">运行应用程序、浏览数据。</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span><span
style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">表</span><span lang="EN-US">EMPLOYEE</span><span
style="font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">的数据集包含</span><span lang="EN-US">42</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">条记录和</span><span lang="EN-US">11</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">个字段。在这个应用程序的状态标签一栏中可见到记录数量的显示。首次运行应用程序时，该状态标签显示</span><span
lang="EN-US"> “Record 1 of 42”</span><span
style="font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">。一些教程有从视图中移除行的操作，而状态标签就会显示返回到每一个应用程序的数据集的行数。</span></p>
<p class="MsoNormal"><span style="mso-tab-count:1" lang="EN-US"> </span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">欲获得更多的信息，参见</span><span lang="EN-US">Retrieving data from a data source</span><span
style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">（从数据源返回数据）一章。</span><span lang="EN-US"> <span
style="mso-tab-count:1"> </span></span><span
style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">应用程序运行图例如下：</span><img
border="0" src="app_query.gif" width="400" height="300"></p>
<p class="MsoNormal" style="margin-left:21.0pt"><span lang="EN-US"> <o:p>
</o:p>
</span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p>
</o:p>
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<p> </p>
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