jndi数据库连接方式

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package *.dao;import java.sql.*;import java.util.Hashtable;import javax.naming.Context;import javax.naming.InitialContext;import javax.sql.DataSource;import linktop.pj5api.tools.XmlUtil;public class BaseDao {/** * 开启连接池 *  * @return connection */public Connection getConn() {Connection conn = null;try {Context context = new InitialContext();\\由tomcat、weblogic等发放ContextDataSource ds = (DataSource) context.lookup("jdbc/jads");conn = ds.getConnection();} catch (Exception e) {e.printStackTrace();}return conn;}/** * 关闭连接池 *  * @param conn * @param sta * @param rs */public void getClose(Connection conn, PreparedStatement sta, ResultSet rs) {try {if (rs != null) {rs.close();}if (sta != null) {sta.close();}if (conn != null) {if (conn.isClosed() == false) {conn.close();}}} catch (Exception e) {e.printStackTrace();}}}

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