JSP九大内置对象和四种属性范围解读

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>JspLearning</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <servlet> <!--指定servlet的名字--> <servlet-name>config</servlet-name> <!--指定哪一个JSP页面配置成Servlet--> <jsp-file>/configObject.jsp</jsp-file> <!--配置名为name的参数，值为linbingwen--> <init-param> <param-name>name</param-name> <param-value>linbingwen</param-value> </init-param> <!--配置名为age的参数，值为30--> <init-param> <param-name>age</param-name> <param-value>100</param-value> </init-param> </servlet> <servlet-mapping> <!--指定将config Servlet配置到/config路径--> <servlet-name>config</servlet-name> <url-pattern>/config</url-pattern> </servlet-mapping> </web-app>