ctxutil.java

网上订餐系统

package com.newer.dao;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.Hashtable;

import javax.sql.DataSource;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;

public class ctxUtil {
	public static Connection getConn(){
		Connection conn=null;
		//Hashtable ht=new Hashtable();
		//ht.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.naming.java.javaURLContextFactory");
		try {
			Context ctx=new InitialContext();
			DataSource ds=(DataSource)ctx.lookup("java:comp/env/connpool");
			conn=ds.getConnection();
		} catch (NamingException e) {
			e.printStackTrace();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return conn;
		
		
	}

}