conndata.java

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/**
 * 
 */
package util;
import java.sql.*;
/**
 * @author 朱定芬
 */
public class ConnData{
	private Connection conn=null;
	private Statement stmt=null;
	String url="jdbc:odbc:Course";
	String uid="";
	String psd="";
	
	public ConnData()
	{
		
		try{

			Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
			conn=DriverManager.getConnection(url,uid,psd);
		   }
		catch(Exception e)
		   {
			System.err.println(e.getMessage());
		   }
	}
	
	
	//方法OpenStmt()用于返回Statement的对象stmt
	public Statement OpenStmt()
	{
		try
		{
		    stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
		}
		catch(Exception e)
		{
		   System.err.println(e.getMessage());
		}
		return stmt;
	}
	
    //关闭数据库连接
	public void close()
	{
		try
		   {
		   	if(conn!=null)
		   	  conn.close();
		   	if(stmt!=null)
		   	  stmt.close();
		   }
		catch(Exception e)
		   {
		   	System.out.print(e);
		   }
	}    
}