db.java

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package sys;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DB 
{
	public Connection getConnection() 
	{
		Connection con = null;
  		try 
  		{
  			Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
  			String connectionUrl = "jdbc:sqlserver://localhost:1433;"+"databaseName=dexam;user=sa;password=142232;";
  			con = DriverManager.getConnection(connectionUrl);  	
  		}
  		 catch (Exception e) 
  		{
  			System.out.print(e.toString()+"\n");
  			System.out.println("鏁版嵁搴撹繛鎺ラ敊璇