2 实现Servlet的方式(由我们自己来写!)
实现Servlet有三种方式:
l 实现javax.servlet.Servlet接口;
l 继承javax.servlet.GenericServlet类;
l 继承javax.servlet.http.HttpServlet类;
浏览器访问Servlet
<?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">
<servlet>
<servlet-name>nbnb</servlet-name>
<servlet-class>cn.nbnb.servlet.Aservlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>nbnb</servlet-name>
<url-pattern>/Aservlet</url-pattern>
</servlet-mapping>
</web-app>