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<P class=articletitle align=center>树形结构的实现</P><BR>
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<TD><EM>iceant<BR>2001-09-20 00:00:00<BR>3788 次浏览<BR></EM></TD>
<TR></TR></TBODY></TABLE><BR><BR>本例采用Access做为实例，所有还有很多要改进的地方。
<BR>请读者自已改进 <BR><BR>package product;
<BR>import java.sql.*;
<BR>public class ConnectDB{
<BR>String strDBDriver="sun.jdbc.odbc.JdbcOdbcDriver";
<BR>String strConnstr="jdbc:odbc:product";
<BR>Connection conn=null;
<BR>ResultSet rs=null;
<BR>Statement stmt=null;
<BR>// Statement stmt=null; <BR>//构造函数
<BR>public ConnectDB(){ <BR>try{
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