JSP&&SERVLET学习笔记（二）：Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <display-name></display-name>
  <servlet>
    <description>This is the description of my J2EE component</description>
    <display-name>This is the display name of my J2EE component</display-name>

//这里是注册的Servlet名字   

 <servlet-name>HelloServlet</servlet-name>

//设置的实体类的名称

    <servlet-class>cc.openhome.HelloServlet</servlet-class>
  </servlet>


  <servlet-mapping>

    <servlet-name>HelloServlet</servlet-name>

//这里的意思是：设置的逻辑名称，这里的名字和URL的名字都是逻辑名字

    <url-pattern>/servlet/HelloServlet</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>