import java.io.File;
import jxl.Workbook;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
import java.sql.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class test {
Connection con;
Statement sta;
ResultSet rs;
String sql_driver;
String sql_url;
String user;
String pwd;
int i=1,j=0;
public test(){
try{
// 打开文件
WritableWorkbook book = Workbook.createWorkbook( new File( " test.xls " ));
// 生成名为“第一页”的工作表,参数0表示这是第一页
WritableSheet sheet = book.createSheet( " 第一页 " , 0 );
Label label = new Label( 0 , 0 , " test " );
// 将定义好的单元格添加到工作表中
sheet.addCell(label);
Class.forName(sql_driver);//加载驱动
System.out.println("driver is ok");
con=DriverManager.getConnection(sql_url,user,pwd);
System.out.println("connection is ok");
sta=con.createStatement();
rs=sta.executeQuery("SELECT * FROM TABLE1");
while(rs.next()){
jxl.write.Number number = new jxl.write.Number( i , j , 555.12541 );
sheet.addCell(number);
i++;
j++;
}
}
catch (Exception e)
{
e.printStackTrace();//printStackTrace();
System.out.println(e);
}
}
public static void main(String a[]){
new test();
}
}
怎么错了:?各位高手帮帮忙啊