http://xmlns.jcp.org/xml/ns/javaee/web-app_3_0.xsd"version="3.0"><welcome-file-list><welcome-file>/MyFirstServlet</welcome-file></welcome-file-list><servlet><servlet-name>MyFirstServlet</servlet-name><servlet-class>com.howtodoinjava.servlets.MyFirstServlet</servlet-class></servlet><serv...
/MyFirstServlet MyFirstServlet com.howtodoinjava.servlets.MyFirstServlet MyFirstServlet /MyFirstServlet 1.2 编程方式实现一个http服务请求 不需要xml 复制 package com.journaldev.first;import java.io.IOException;import java.io.PrintWriter;import java.util.Date;import javax.servlet.ServletException;import jav...
Since your @SpringBootApplication annotation is in com.example.demo, and no basePackage is defined for scanning, it will only scan that package and its nested packages. The easiest way to solve this is to move your controller package. From this: . └── main ├── java │ └── com...
您应该从实际的服务器获取Servlet API以进行构建，就像您从真实的JDK/JRE获取Java标准库以进行构建一样。
译自https://www.javatpoint.com/requestdispatcher-in-servlet 请求调度器 接口 提供调度request到另一个资源(servlet/jsp/html)的功能。 The RequestDispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. ...