JavaWeb13.3【Tomcat&Servlet：Servlet（server applet）】
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" 5 version="3.1"> 6 7 <!--配置Servlet--> 8 <servlet> 9 <servlet-name>demo1</servlet-name> 10 <servlet-class>com.haifei.servlet.ServletDemo1</servlet-class> 11 </servlet> 12 <servlet-mapping> 13 <servlet-name>demo1</servlet-name> 14 <url-pattern>/demo1</url-pattern> 15 </servlet-mapping> 16 17 </web-app>
1 package com.haifei.servlet; 2 3 import javax.servlet.*; 4 import java.io.IOException; 5 6 /** 7 * Servlet快速入门 8 */ 9 public class ServletDemo1 implements Servlet{ 10 @Override 11 public void init(ServletConfig servletConfig) throws ServletException { 12 13 } 14 15 @Override 16 public ServletConfig getServletConfig() { 17 return null; 18 } 19 20 //提供服务 21 @Override 22 public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException { 23 System.out.println("hello servlet"); 24 /* 25 在web.xml中配置好Servlet后 26 在浏览器地址栏http://localhost:8080/day13_tomcat_war_exploded/demo1每访问一次 27 IDEA控制台输出一次hello servlet 28 */ 29 } 30 31 @Override 32 public String getServletInfo() { 33 return null; 34 } 35 36 @Override 37 public void destroy() { 38 39 } 40 }
