code033.jsp
1<%@page import="java.util.Enumeration"%> 2<%@ page language="java" contentType="text/html; charset=UTF-8" 3 pageEncoding="UTF-8"%> 4<!DOCTYPE html> 5<html> 6<head> 7<meta charset="UTF-8"> 8<title>获取web.xml中的配置</title> 9</head> 10<body> 11<% 12Enumeration enumeration1 = application.getInitParameterNames(); 13while(enumeration1.hasMoreElements()) 14{ 15 String name = enumeration1.nextElement().toString(); 16 String value = application.getInitParameter(name); 17 out.println(name + ":"); 18 out.println(value); 19 20} 21%> 22 23<%-- 24 在tomcat的web.xml配置文件中，增加如下配置： 25 <context-param> 26 <param-name>url</param-name> 27 <param-value>jdbc:mysql://127.0.0.1:3306/test</param-value> 28 </context-param> 29 </web-app> 30 --%> 31</body> 32</html>