jb4-1-3.htm

JBUILDER5的中文帮助文档

宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">。一些提供商包括</span><span lang="EN-US">Borland</span><span style="font-family:宋体;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">拥有</span><span lang="EN-US"> 
[</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;     
mso-hansi-font-family:&quot;Times New Roman&quot;">？</span> <span style="font-family:     
宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">自己的专用</span> 
<span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:     
&quot;Times New Roman&quot;">？</span><span lang="EN-US">] JDBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:     
&quot;Times New Roman&quot;">驱动。现存的</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">驱动可通过</span><span lang="EN-US">sun</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">公司提供的</span><span lang="EN-US">JDBC-ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">桥来加以利用。由于这要求安装</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">驱动和注册登记，所以</span><span lang="EN-US">JDBC-ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">桥并不是一个理想的解决方案。还有，</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">是于本地执行的，这样损害了对交互平台支持和</span><span lang="EN-US">Applet</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">安全。</span><span lang="EN-US">&nbsp;<o:p>
</o:p>     
</span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US">Jbuilder      
DataExpress </span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;     
mso-hansi-font-family:&quot;Times New Roman&quot;">组件是通过使用</span><span lang="EN-US">Sun</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">公司的</span><span lang="EN-US">JDBC API</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:     
&quot;Times New Roman&quot;">实现的。要创建一个</span><span lang="EN-US">Java</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">数据库应用程序，就要在创建之前对</span><span lang="EN-US">Sun      
JDBC sql</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:     
&quot;Times New Roman&quot;">包进行装配。如果通过</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">驱动连接数据库，就需要装配</span><span lang="EN-US">Sun      
JDBC-ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">桥软件。</span></p>
<p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">欲获得更多关于</span><span lang="EN-US">JDBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">或</span><span lang="EN-US">JDBC-ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">桥的信息，可访问</span><span lang="EN-US">JDBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">数据库接口网址，</span><span lang="EN-US"><a href="../../../java.sun.com/products/jdbc/default.htm">http://java.sun.com/products/jdbc/</a></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">。</span></p>
<hr>
<p ><span style="font-family:宋体;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;"><font color="#000080" size="3"><b>数据库的连接</b></font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span lang="EN-US">Jbuilder</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">应用程序可以连接到远程或本地</span><span lang="EN-US">SQL</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">数据库，或者连接到由其它</span><span lang="EN-US">Borland</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">应用程序如</span><span lang="EN-US">C++      
Builder</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">或</span><span lang="EN-US">Delphi</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">产生的数据库上。</span></p>
<p class="MsoNormal"><span lang="EN-US">&nbsp;<o:p>&nbsp;</span><span style="font-family:宋体;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;</span><span lang="EN-US"> 
</span><span style="font-family:宋体;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">要和一个远程</span><span lang="EN-US">SQL</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">数据库进行连接，你需要实现下列两者之一：</span></p>
<p class="MsoNormal"><span style="mso-tab-count:1" lang="EN-US">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>&nbsp;    
<span lang="EN-US">*JDBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">专用驱动</span><span lang="EN-US"> [ for your      
server ]</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:     
&quot;Times New Roman&quot;">。一些</span><span lang="EN-US">Jbuilder</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">版本包含了</span><span lang="EN-US">JDBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">驱动。其中之一就</span><span style="font-family:宋体;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">有</span><span lang="EN-US">InterClient</span><span style="font-family:宋体;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">。你可访问</span><span lang="EN-US">Borland</span><span style="font-family:宋体;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">网址（</span><span lang="EN-US"><a href="../../../www.borland.com/jbuilder/default.htm">http://www.borland.com/jbuilder/</a></span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">）来检验</span><span lang="EN-US">Jbuilder</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">下的</span><span lang="EN-US">JDBC</span><span style="font-family:
宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">驱动的是否可用（指连接远程数据库功能），或者联系软件提供商。</span></p>
<p class="MsoNormal"><span lang="EN-US"><span style="mso-tab-count:1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   
</span>*</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">与</span><span lang="EN-US">JDBC-ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">桥软件联合使用的基于</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">的驱动。</span><span lang="EN-US">&nbsp;<o:p>
</o:p>    
</span></p>
<p class="MsoNormal" style="margin-left:21.75pt"><span style="font-family:宋体;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;"><font color="#FF0000"><b>注意</b></font>：</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">驱动不是可移植的</span><span lang="EN-US">DLL</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">。这对于本地开发是足够了，但却不能用于</span><span lang="EN-US">applets</span><span style="font-family:宋体;mso-ascii-font-family:
&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">与其它纯</span><span lang="EN-US">Java</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">解决方案。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋体;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">同本地非</span><span lang="EN-US">SQL</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">数据库连接时，如</span><span lang="EN-US">Paradox</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">或</span><span lang="EN-US">Visual dBase</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:    
&quot;Times New Roman&quot;">，需要结合</span><span lang="EN-US">JDBC-ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">桥软件来使用一个</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">驱动，且该</span><span lang="EN-US">ODBC</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">驱动须适用于正在存取表的类型和级别。</span><span lang="EN-US">&nbsp;<o:p>
</o:p>    
</span></p>
<hr>
<p ><span lang="EN-US"><b><font size="3" color="#000080">Jbuilder </font></b> </span><b><font size="3" color="#000080"><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:   
&quot;Times New Roman&quot;">例程文件</span></font></b></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span lang="EN-US">Jbuilder</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">例程目录包含了本手册讲到的各种教程和范例。</span><span lang="EN-US">DataExpress    
</span><span style="font-family:宋体;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">例程文件位于</span><span lang="EN-US">…/samples/DataExpress/