聽 涓嬭澆鍦板潃:http://proxool.sourceforge.net/ 鏈鏂扮増鏈負: Proxool 0.9.0RC2
聽 涓嬭澆鍚庤В鍘嬬緝Proxool 0.9.0RC2鍚?鎶奝roxool 0.9.0RC2/lib涓嬬殑.jar鏂囦歡閮ㄧ講鍒癢EB-INF/lib涓?
聽 鐪嬬湅涓嬮潰鐨勮寖渚?example for Oracle):
聽 Proxool.jsp
________________________________________________________________________________________________________________________________________
<%@ page import="java.sql.*"%>
<%@ page contentType="text/html;charset=gb2312"%>
<html>
聽聽 聽<head>
聽聽 聽聽聽 聽<title>Proxool.jsp</title>
聽聽 聽</head>
聽聽 聽<body>
聽聽 聽聽聽 聽<h2>浣跨敤Proxool.jsp</h2>
聽聽 聽聽聽 聽<%
聽聽 聽聽聽 聽聽聽 Connection con=null;
聽聽 聽聽聽 聽聽聽 Statement stmt=null;
聽聽 聽聽聽 聽聽聽 ResultSet rs=null;
聽聽 聽聽聽 聽聽 聽
聽聽 聽聽聽 聽聽聽 String ename="";
聽聽 聽聽聽 聽聽 聽
聽聽 聽聽聽 聽聽聽 try
聽聽 聽聽聽 聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽 Class.forName("org.logicalcobwebs.proxool.ProxoolDriver");
聽聽 聽聽聽 聽聽聽聽聽 con=DriverManager.getConnection("proxool.JSPBook:oracle.jdbc.driver.OracleDriver:
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 jdbc:oracle:thin:@yang:1521:orcl","scott","ss");聽聽 聽聽聽 聽聽聽聽 聽
聽聽 聽聽聽 聽聽聽聽聽 stmt=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
聽聽 聽聽聽 聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 ResultSet.CONCUR_UPDATABLE);
聽聽 聽聽聽 聽聽聽聽聽 String query="select * from emp";
聽聽 聽聽聽 聽聽聽聽聽 rs=stmt.executeQuery(query);
聽聽 聽聽聽 聽聽聽聽聽 while(rs.next())
聽聽 聽聽聽 聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽 ename=rs.getString("ename");
聽聽聽聽聽 %>
聽聽聽聽聽聽聽 浠巈mp琛ㄤ腑鍙栧嚭濮撳悕<%=ename%><br>
聽聽聽聽聽 <%
聽聽 聽聽聽 聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽聽聽 stmt.close();
聽聽 聽聽聽 聽聽聽聽聽 con.close();
聽聽 聽聽聽 聽聽聽 }
聽聽 聽聽聽 聽聽聽 catch(SQLException e)
聽聽 聽聽聽 聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽 out.println("鍙戠敓寮傚父"+e);
聽聽 聽聽聽 聽聽聽 }
聽聽 聽聽聽 聽聽聽 finally
聽聽 聽聽聽 聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽 try
聽聽 聽聽聽 聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽 if(con!=null)
聽聽 聽聽聽 聽聽聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽聽聽 con.close();
聽聽 聽聽聽 聽聽聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽聽聽 catch(SQLException ne)
聽聽 聽聽聽 聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽 out.println("SQLException:"+ne);
聽聽 聽聽聽 聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽 }
聽聽 聽聽聽 聽%>
聽聽 聽</bdoy>
</html>
Proxool.jsp閫氳繃Proxool榪炴帴姹犲彇寰桟onnection,鐒跺悗鏄劇ずemp琛ㄦ牸涓殑ename.
棣栧厛鍔ㄦ佸姞杞絇roxool鐨刣river:
聽 Class.forName("org.logicalcobwebs.proxool.ProxoolDriver);
鐒跺悗灝哖roxool URL鍒嗕負涓変釜閮ㄥ垎: 榪炴帴姹犵殑鍒悕,JDBC椹卞姩紼嬪簭(DataBase JDBC Drivers),榪炴帴URL.
璁懼畾Proxool
proxool鎻愪緵浜嗚澶氳繛鎺ユ睜鐨勫弬鏁?渚嬪:榪炴帴姹犳渶澶氭湁鍑犱釜Connection,鏈灝戞湁鍑犱釜Connection,Connection鐢熷懡鏈熼檺絳夌瓑銆?br />Proxool涓昏鏈変互涓嬪洓縐嶈瀹氭柟寮?
(涓) 閫氳繃java.util.Properties瀵硅薄鏉ヨ瀹?渚嬪:
Properties info=new Properties();
info.setProperty("proxool.maximum-connection-count","20");
info.setProperty("proxool.house-keeping-test-sql","select CURRENT_DATE");
info.setProperty("user","your DB username");
info.setProperty("password","your DB prassword");
String alias="Develop"; //Proxool榪炴帴姹犵殑鍒悕,鏍規(guī)嵁鑷繁鍠滃ソ闅忎究鍐橿_^
String driverClass="oracle.jdbc.driver.OracleDriver";
String driverUrl="jdbc:oracle:thin:@127.0.0.1:1521:DatabaseName";
String url="proxool."+alias+":"+drvierClass+":"+driverUrl;
connection=DrvierManager.getConnection(rul,info);
(浜? 閫氳繃XML鏂囦歡鏉ヨ瀹?渚嬪:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!--the proxool configuration can be embedded within your own application's. Anything outside the "proxool" tag is ignored.-->
<proxool>
聽 <alias>Develop</alias>
聽 <driver-url>
聽聽聽 jdbc:oracle:thin:@127.0.0.1:1521:DatabaseName
聽 </driver-url>
聽 <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
聽 <driver-properties>
聽聽聽 <property name="user" value="your database name"/>
聽聽聽 <property name="password" value="your DB password"/>
聽 </driver-properties>
聽 <maximum-connection-count>10</maximum-connection-count>
聽 <house-keeping-test-sql>select CURRENT_DATE</house-keeping-test-sql>
</proxool>
鐒跺悗閫氳繃JAXPConfiguration璇誨彇XML鏂囦歡:
JAXPConfigurator.configure("/WEB-INF/classes/proxool.xml",false);
(涓? 鍏堥氳繃Properties鏂囦歡鏉ヨ瀹?渚嬪:
jdbc-0.proxool.alias=Develop
jdbc-0.proxool.drvier-url=jdbc:oracle:thin:@127.0.0.1:1521:DatabaseName
jdbc-0.proxool.driver-class=oracle.jdbc.driver.OracleDriver;
jdbc-0.user=your database username
jdbc-0.password=your database password
jdbc-0.proxool.maximum-connection-count=10
jdbc-0.proxool.house-keeping-test-sql=select CURRENT_DATE
鐒跺悗閫氳繃PropertyConfigurator璇誨彇Properties鏂囦歡:
PropertyConfigurator.configure("/WEB-INF/classes/Proxool.properties");
(鍥?鍦╳eb.xml涓?閫氳繃servlet鏉ヨ瀹?鏂規(guī)硶鍙堟湁涓夌,鍓嶄袱縐嶆槸鎸夌収鏍煎紡鏉ョ殑:
1.XML鏂囦歡
<servlet>
聽 <servlet-name>ServletConfigurator</servlet-name>
聽 <servlet-class>
聽聽聽聽 org.logicalcobwebs.proxool.configuration.ServletConfigurator
聽 </servlet-class>
聽 <init-param>
聽聽聽聽 <param-name>xmlFile</param-name>
聽聽聽聽 <param-value>WEB-INF/classes/Proxool.xml</param-value>
聽 </init-param>
聽 <load-on-start>1</load-on-start>
</servlet>
2.Properties鏂囦歡
<servlet>
聽 <servlet-name>ServletConfigurator</servlet-name>
聽 <servlet-class>
聽聽聽聽 org.logicalcobwebs.proxool.configuration.ServletConfigurator
聽 </servlet-class>
聽 <init-param>
聽聽聽聽 <param-name>propertyFile</param-name>
聽聽聽聽 <param-value>WEB-INF/classes/Proxool.properties</param-value>
聽 </init-param>
聽 <load-on-start>1</load-on-start>
</servlet>
3.Init Prameter
<servlet>
聽 <servlet-name>ServletConfigurator</servlet-name>
聽 <servlet-class>
聽聽聽聽 org.logicalcobwebs.proxool.configuration.ServletConfigurator
聽 </servlet-class>
聽 <init-param>
聽聽聽聽 <init-name>jdbc-0.proxool.alias</init-param>
聽聽聽聽 <init-value>Develop</init-value>
聽 </init-param>
聽 <init-param>
聽聽聽聽 <init-name>jdbc-0.proxool.driver-rul</init-param>
聽聽聽聽 <init-value>
聽聽聽聽聽聽聽 jdbc:oracle:thin:@127.0.0.1:1521:DatabaseName
聽聽聽聽 </init-value>
聽 </init-param>
聽 <init-param>
聽聽聽聽 <init-name>jdbc-0.proxool.driver-class</init-param>
聽聽聽聽 <init-value>oracle.jdbc.driver.OracleDriver</init-value>
聽 <init-param>
</servlet>
寤鴻澶у浣跨敤絎洓縐嶆柟娉?濂藉鍦ㄤ簬褰揅ontainer鍚姩鏃?Proxool鐨勫弬鏁頒細鑷姩璁懼畾鍔犺澆鍒板唴瀛樹腑,鍘熷洜鍦ㄤ簬:
<servlet>
......鐣?br /><load-on-start>1</load-on-start>
涓涓畬鏁寸殑紺轟緥濡備笅:
web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
聽聽聽聽聽聽聽聽 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
聽聽聽聽聽聽聽聽 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
聽聽聽聽聽聽聽聽 version="2.4">
.......鐣?br />聽 <servlet>
聽聽聽聽 <servlet-name>ServletConfigurator</servlet-name>
聽聽聽聽 <servlet-class>
聽聽聽聽聽聽 org.logicalcobwebs.proxool.configuration.ServletConfigurator
聽聽聽聽 </servlet-class>
聽聽聽聽 <init-param>
聽聽聽聽聽聽 <param-name>propertyFile</param-name>
聽聽聽聽聽聽 <param-value>WEB-INF/classes/Proxool.properties</param-value>
聽聽聽聽 </init-param>
聽聽聽聽 <load-on-start>1</load-on-start>
聽 </servlet>
.......鐣?br /></web-app>
Proxool.proterties
jdbc-0.proxool.alias=Develop
jdbc-0.proxool.driver-class=oracle.jdbc.driver.OracleDriver
jdbc-0.proxool.driver.url=jdbc:oracle:thin:@127.0.0.1:1521:DatabaseName
jdbc-0.proxool.maximum-connection-count=10
jdbc-0.proxool.prototype-count=4
jdbc-0.proxool.house-keeping-test-sql=select CURRENT_DATE
jdbc=0.proxool.verbose=true
鎴戜滑鍙互鐢ㄤ笅闈㈢殑Test Page鏉ヨ繘琛屾祴璇?br />Proxool-config.jsp
____________________________________________________
<%@ page import="java.sql.*"%>
<%@ page contentType="text/html;charset=gb2312"%>
<html>
聽聽 聽<head>
聽聽 聽聽聽 聽<title>Proxool.jsp</title>
聽聽 聽</head>
聽聽 聽<body>
聽聽 聽聽聽 聽<h2>浣跨敤Proxool.jsp</h2>
聽聽 聽聽聽 聽<%
聽聽 聽聽聽 聽聽聽 Connection con=null;
聽聽 聽聽聽 聽聽聽 Statement stmt=null;
聽聽 聽聽聽 聽聽聽 ResultSet rs=null;
聽聽 聽聽聽 聽聽 聽
聽聽 聽聽聽 聽聽聽 String ename="";
聽聽 聽聽聽 聽聽 聽
聽聽 聽聽聽 聽聽聽 try
聽聽 聽聽聽 聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽 con=DriverManager.getConnection("proxool.Develop");聽聽 聽聽聽 聽聽聽聽 聽
聽聽 聽聽聽 聽聽聽聽聽 stmt=con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
聽聽 聽聽聽 聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 ResultSet.CONCUR_UPDATABLE);
聽聽 聽聽聽 聽聽聽聽聽 String query="select * from emp";
聽聽 聽聽聽 聽聽聽聽聽 rs=stmt.executeQuery(query);
聽聽 聽聽聽 聽聽聽聽聽 while(rs.next())
聽聽 聽聽聽 聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽 ename=rs.getString("ename");
聽聽聽聽聽 %>
聽聽聽聽聽聽聽 浠巈mp琛ㄤ腑鍙栧嚭濮撳悕<%=ename%><br>
聽聽聽聽聽 <%
聽聽 聽聽聽 聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽聽聽 stmt.close();
聽聽 聽聽聽 聽聽聽聽聽 con.close();
聽聽 聽聽聽 聽聽聽 }
聽聽 聽聽聽 聽聽聽 catch(SQLException e)
聽聽 聽聽聽 聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽 out.println("鍙戠敓寮傚父"+e);
聽聽 聽聽聽 聽聽聽 }
聽聽 聽聽聽 聽聽聽 finally
聽聽 聽聽聽 聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽 try
聽聽 聽聽聽 聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽 if(con!=null)
聽聽 聽聽聽 聽聽聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽聽聽 con.close();
聽聽 聽聽聽 聽聽聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽聽聽 catch(SQLException ne)
聽聽 聽聽聽 聽聽聽聽聽 {
聽聽 聽聽聽 聽聽聽聽聽聽聽 out.println("SQLException:"+ne);
聽聽 聽聽聽 聽聽聽聽聽 }
聽聽 聽聽聽 聽聽聽 }
聽聽 聽聽聽 聽%>
聽聽 聽</bdoy>
</html>
嫻嬭瘯緇撴灉涓?
=====================================
浣跨敤Proxool.jsp
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕SMITH
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕ALLEN
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕WARD
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕JONES
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕MARTIN
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕BLAKE
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕CLARK
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕SCOTT
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕KING
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕TURNER
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕ADAMS
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕JAMES
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕FORD
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕MILLER
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕feiyang
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕yang
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕feifei
浠巈mp琛ㄤ腑鍙栧嚭濮撳悕fei
]]>
聽聽聽 JNDI鍏ㄥ悕涓篔ava Naming and Directory Interface.JNDI涓昏鎻愪緵搴旂敤紼嬪簭鎵闇瑕佽祫婧愪笂鍛藉悕涓庣洰褰曟湇鍔?鍦↗ava EE鐜涓?JNDI鎵紨浜嗕竴涓緢閲嶈鐨勮鑹?
瀹冩彁渚涗簡涓涓帴鍙ｈ鐢ㄦ埛鍦ㄤ笉鐭ラ亾璧勬簮鎵鍦ㄤ綅緗殑鎯呭艦涓?鍙栧緱璇ヨ祫婧愭湇鍔?
聽聽聽 灝卞ソ姣旂綉緇滅鐩橀┍鍔ㄥ櫒鐨勫姛鑳戒竴鏍楓傚鏋滄湁浜轟簨鍏堝皢鍙︿竴鍙版満鍣ㄤ笂鐨勭鐩橀┍鍔ㄥ櫒鎺ュ埌鐢ㄦ埛鐨勬満鍣ㄤ笂,鐢ㄦ埛鍦ㄤ嬌鐢ㄧ殑鏃跺欐牴鏈氨鍒嗚鯨涓嶅嚭鐜板湪鐨勯┍鍔ㄥ櫒鏄瓨鍦ㄦ湰绔?
榪樻槸鍦ㄥ彟涓绔殑鏈哄櫒涓?鐢ㄦ埛鍙渶鍙栧緱璧勬簮鏉ョ敤,鏍規(guī)湰灝變笉鐭ラ亾璧勬簮鍦ㄤ粈涔堝湴鏂廣?br />聽聽聽 JNDI榪欎釜鎺ュ彛鍩烘湰涓婃槸LDAP,LDAP鍏ㄥ悕涓篖ightweight Directory Access Protocol.
聽聽 聽
聽聽聽 瑕佽瀹欽NDI鐨凧DBC鏁版嵁婧愬拰DBCP榪炴帴姹犻渶瑕佸仛浠ヤ笅鐨勫伐浣?(for example Oracle DataBase)
聽聽聽 涓. 瀹夎JDBC Driver
聽聽聽 灝嗕綘DB鐨凧DBC Driver閮ㄧ講鍒皗Tomcat_Install]\common\lib鐩綍涓嬨?br />聽聽聽 浜? 璁懼畾Tomcat涓嬬殑server.xml
聽聽聽 淇敼{Tomcat_Install|\conf\server.xml鏂囦歡涓綘鐨勭珯鍙版爣絳鵑噷鐨?lt;Host></Host>涔嬮棿鐨勫唴瀹?濡備笅:
聽聽聽 server.xml
聽聽聽聽 <Host>
聽聽聽聽聽聽聽 <Context path="/Develop" docBase="Develop" debug="0" reloadable="true"聽聽聽聽聽聽聽聽聽聽聽聽聽聽 crossContext="true">
聽聽聽聽聽聽聽 <Resource name="jdbc/dy" auth="Container" type="javax.sql.DataSource"/>
聽聽聽聽聽聽聽聽聽聽聽 <ResourceParams name="jdbc/dy">
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>factory</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>driverClassName</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>oracle.jdbc.driver.OracleDriver</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>url</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>jdbc:oracle:thin:@yang:1521:orcl</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>聽聽聽聽聽聽聽聽聽聽聽聽聽 聽
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>username</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>scott</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>password</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>ss</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>maxActive</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>20</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>maxIdle</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>10</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <parameter>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <name>maxWait</name>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 <value>-1</value>
聽聽聽聽聽聽聽聽聽聽聽聽聽聽 </parameter>聽 聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 聽
聽聽聽聽聽聽聽聽聽聽聽 </ResourceParams>
聽聽聽聽聽聽聽 </Context>
聽聽聽聽聽 </Host>
聽 涓婅堪紺懼畾鎵琛ㄧず鐨勬剰鎬濇槸鍦―evelop绔欏彴涓?瀹氫箟涓涓狫DBC鏁版嵁鏉ユ簮,鍚嶇О涓簀dbc/dy.
聽 閫氳繃浠ヤ笅鐨勪唬鐮佹潵璁劇疆鐨勮繖涓猨dbc/dy鐨勬暟鎹潵婧愬拰DBCP榪炴帴姹?
聽 <parameter>
聽聽聽聽 <name>factory</name>
聽聽聽聽 <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
聽 </parameter>
聽 璁懼畾浣跨敤DBCP榪炴帴姹?榪欐槸鏈塉akarta Project緇勭粐鎵鍒跺畾鐨勮繛鎺ユ睜紼嬪簭,瀹冧竴鏍鋒槸OpenSource鐨?
鍙傛暟璇存槑:
聽聽聽聽 <Context></Context>鐢ㄤ簬璁劇疆浣犵殑绔欏彴.
聽聽聽聽 <Context>鏍囩涓殑path="/Develop"浠ｈ〃緗戠珯鍚嶇О,鍗? http://IP_DomaninName/Develop; docBase="Develop"浠ｈ〃绔欏彴鐨勭洰褰曚綅緗?debug鍒欐槸璁懼畾debug level
聽聽聽聽 ,0琛ㄧず鎻愪緵鏈灝戠殑淇℃伅,9琛ㄧず鎻愪緵鏈閮藉鐨勪俊鎭?reloadable鍒欒〃紺篢omcat鎵ц鏃?褰揷lass,web.xml琚洿鏂版椂,閮戒細鑷姩閲嶆柊鍔犺澆,涓嶉渶瑕侀噸鏂板惎鍔═omcat;
聽聽聽聽 maxActive琛ㄧず榪炴帴姹犵殑鏈澶ф暟鎹簱榪炴帴鏁?璁句負0琛ㄧず鏃犻檺鍒?maxIdle琛ㄧず璁懼畾榪炴帴姹犱腑鏈灝忚兘鏈夊嚑涓狢onnection,鑻ヤ負0琛ㄧず涓嶉檺鍒?maxWait 鏈澶у緩绔嬭繛鎺ョ瓑寰呮椂闂淬?br />聽聽聽 濡傛灉瓚呰繃姝ゆ椂闂村皢鎺ュ埌寮傚父,璁句負錛?琛ㄧず鏃犻檺鍒?鍗曚綅涓簃s;driverClassName JDBC椹卞姩紼嬪簭;url琛ㄧず鏁版嵁搴撹繛鎺ュ瓧絎︿覆.
聽涓? 璁懼畾搴旂敤绔欏彴涓殑web.xml
聽eg:璁懼畾Develop鐨剋eb.xml濡備笅:
聽 <resource-ref>
聽聽聽聽 <description>JNDI JDBC DataSource of Develop</description>聽聽 //涓涓弿榪?br />聽聽聽聽 <res-ref-name>jdbc/dy</res-ref-name>聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 //榪欓噷蹇呴』涓轟綘涔嬪墠鎸囧畾鐨?lt;ResourceParams name="jdbc/dy">
聽聽聽聽 <res-type>javax.sql.DataSource</res-type>
聽聽聽聽 <res-auth>Container</res-auth>
聽 </resource-ref>
聽鍥? 浣跨敤JDBC鏁版嵁鏉ユ簮鑾峰緱Connection瀵硅薄
聽聽 Context initContext=new InitialContext();
聽聽 Context envContext=(Context)initContext.lookup("java:/comp/env");
聽聽 鎴栬?br />聽聽 Context envContext=(Context)initContext.lookup("java:comp/env");
聽聽 DataSourceds conn=(DataSource)envContext.lookup("jdbc/dy");
聽聽 conn=ds.getConnection();
鎸夌収榪欏洓涓楠ゅ仛涓嬫潵鍚?閭ｄ箞浣犲氨鍙互鍐欎釜Test Page鏉ユ祴璇曚竴涓嬩簡.
Test Page1:
_________________________________________________________________________________________________________
testpool.jsp
<!--嫻嬭瘯JNID鏁版嵁婧愮殑閰嶇疆-->
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="javax.naming.Context"%>
<%@ page import="javax.sql.DataSource"%>
<%@ page import="javax.naming.InitialContext"%>
<%@ page import="java.sql.*"%>
<%
聽 DataSource ds=null;
聽 try
聽 {
聽聽聽聽聽 Context initCtx=new InitialContext();
聽聽聽聽聽 Context envCtx=(Context)initCtx.lookup("java:comp/env");
聽聽聽聽聽 //浠嶤ontext涓璴oopup 鏁版嵁婧?br />聽聽聽聽聽 ds=(DataSource)envCtx.lookup("jdbc/dy");
聽聽聽聽聽 if(ds!=null)
聽聽聽聽聽 {
聽聽聽聽聽聽聽 out.println("宸茬粡鑾峰緱DataSource!");
聽聽聽聽聽聽聽 out.println("<br>");
聽聽聽聽聽聽聽 Connection conn=ds.getConnection();
聽聽聽聽聽聽聽 Statement stmt=conn.createStatement();
聽聽聽聽聽聽聽 ResultSet rst=stmt.executeQuery("select * from emp");
聽聽聽聽聽聽聽 out.println("浠ヤ笅鏄粠鏁版嵁搴撻噷璇誨嚭鏉ョ殑鏁版嵁");
聽聽聽聽聽聽聽 out.println("<hr>");
聽聽聽聽聽聽聽 while(rst.next())
聽聽聽聽聽聽聽 {
聽聽聽聽聽聽聽聽聽 out.println("empName:"+rst.getString("ename"));
聽聽聽聽聽聽聽聽聽 out.println("<br>");
聽聽聽聽聽聽聽 }
聽聽聽聽聽 }
聽聽聽 else
聽聽 聽聽聽 聽out.println("榪炴帴澶辮觸");
聽 }
聽 catch(Exception e)
聽 {
聽聽聽聽聽 out.println(e);
聽 }
%>
濡傛灉鎴愬姛閭ｄ箞杈撳嚭緇撴灉:
========================================
宸茬粡鑾峰緱DataSource!
浠ヤ笅鏄粠鏁版嵁搴撻噷璇誨嚭鏉ョ殑鏁版嵁:
empName:SMITH
empName:ALLEN
empName:WARD
empName:JONES
empName:MARTIN
empName:BLAKE
empName:CLARK
empName:SCOTT
empName:KING
empName:TURNER
empName:ADAMS
empName:JAMES
empName:FORD
empName:MILLER
empName:feiyang
empName:yang
empName:feifei
empName:fei
]]>