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Servlet相关配置
1. urlpartten:Servlet访问路径 1. 一个Servlet可以定义多个访问路径 : @WebServlet({"/d4","/dd4","/ddd4"}) 2. 路径定义规则: 1. /xxx:路径匹配 2. /xxx/xxx:多层路径,目录结构 3. *.do:扩展名匹配package com.learn.web.servlet;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;/** * Servlet路径配置 *///@WebServlet({"/d4","/dd4","/ddd4"})//@WebServlet("/user/demo4")//@WebServlet("/user/*")//@WebServlet("/*")@WebServlet("*.do")public class ServletDemo4 extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { System.out.println("demo4..."); System.out.println(req); }}
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