databaseconn.java

Java案例开发集锦,里面提供了很好的学习例子

package simpleforum.database;

/**
 * @author wangmj
 * 
 * DataBaseConn.java
 */
import java.sql.Connection;
import java.sql.SQLException;

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

public class DataBaseConn {
	public static synchronized Connection getConnection(){
		try {
			Context initCtx = new javax.naming.InitialContext();
			Context envCtx = (Context) initCtx.lookup("java:comp/env");
			DataSource ds = (DataSource) envCtx.lookup("jdbc/MyDataSource");
			return ds.getConnection();
		} catch (SQLException e) {
			e.printStackTrace();
		} catch (NamingException e) {
			e.printStackTrace();
		}
		return null;
	}
}