連接說明性程序

import java.sql.*;

public class Connection_database {

 public static void main(String[] args) {
  try {
   Connection con;
   Statement sql;
   ResultSet rs;
   Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
   con=DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=testDatabase","sa","13974224803");
   sql=con.createStatement();
   rs=sql.executeQuery("select * from userTable");
   while(rs.next())
   {
    System.out.print(rs.getString("user_name") + "/t");
    System.out.print(rs.getString("user_password") + "/t");
    System.out.print(rs.getString("user_age")+ "/t");
    System.out.println();
   }
  } catch (Exception e) {
   e.printStackTrace();
  }  
 }

}