dbcon.java~10~

来自「这个是学生考试系统,里面有完整的代码加数据库SQL server」· JAVA~10~ 代码 · 共 26 行

package testsystem;
import java.sql.*;
import javax.swing.*;

public class DBcon {
    public static Connection link()
    {
        Connection con=null;
        try
        {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            con=DriverManager.getConnection("jdbc:odbc:Driver={SQL server};server=.;database=TestSystem;uid=sa;pwd=8823016");
            //JOptionPane.showMessageDialog(null,"数据库连接成功！");
        }
        catch(ClassNotFoundException ce)
        {
            JOptionPane.showMessageDialog(null,"没有找到数据库"+ce.getMessage());
        }
        catch(SQLException co)
        {
            JOptionPane.showMessageDialog(null,"数据库连接失败！"+co.getMessage());
        }
        return con;
    }
}