java 链接数据库问题
import java.sql.*;
public class sqltest {
public static void main(String args[]){
Connection con;
Statement sql;
ResultSet rs;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException e){
System.out.println(""+e);
}
try{
con=DriverManager.getConnection("jdbc:odbc:mfgprd","rptprd","mfgrptprd");
sql=con.createStatement();
rs=sql.executeQuery("select folder,filename from mfg_report_system");
while(rs.next()){
String folder=rs.getString(1);
String filename=rs.getString(2);
System.out.println(folder);
System.out.println(filename);
}
con.close();
}
catch(SQLException e1){}
}
}
数据库中已经存在mfg_report_system,但是执行之后不报错,也没有显示mfg_report_system中的记录,哪为达人知道怎么回事啊?