启动tomcat时加载配置文件信息

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
? <display-name>Testxl</display-name>
? 
? <listener>
??<listener-class>com.TestL</listener-class>
?? </listener>
? <welcome-file-list>
??? <welcome-file>index.jsp</welcome-file>
? </welcome-file-list>
</web-app>
?
?
4.测试类
?
package com;public class Pcommon{ public void getI(String s) { String ss = TestL.getProValue("WCITY.WEATHER.URL"); System.out.println(ss+"====ddd=="+s); }}
?