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最新推荐文章于 2025-01-27 12:00:25 发布

原创最新推荐文章于 2025-01-27 12:00:25 发布 · 172 阅读

CC 4.0 BY-SA版权

本文档详细展示了Java Web应用的配置过程，包括模块类型、组件名称、Facet管理、部署描述符、Web根目录、源文件夹设置及依赖库配置。同时，提供了Demo01Servlet的实现代码与web.xml的配置示例，用于处理HTTP GET和POST请求。

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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
  <component name="FacetManager">
    <facet type="web" name="Web">
      <configuration>
        <descriptors>
          <deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/web/WEB-INF/web.xml" />
        </descriptors>
        <webroots>
          <root url="file://$MODULE_DIR$/web" relative="/" />
        </webroots>
      </configuration>
    </facet>
  </component>
  <component name="NewModuleRootManager" inherit-compiler-output="true">
    <exclude-output />
    <content url="file://$MODULE_DIR$">
      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
    </content>
    <orderEntry type="inheritedJdk" />
    <orderEntry type="sourceFolder" forTests="false" />
    <orderEntry type="library" exported="" scope="PROVIDED" name="Tomcat 7.0.103" level="application_server_libraries" />
  </component>
</module>

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class Demo01Servlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        
        System.out.println("doGet");
    }


    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);

    }
}

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

    <servlet>
     
        <servlet-name>Demo01Servlet</servlet-name>
      
        <servlet-class>com.qfedu.servlet.Demo01Servlet</servlet-class>
    </servlet>

    <servlet-mapping>
   
        <servlet-name>Demo01Servlet</servlet-name>
       
        <url-pattern>/demo01</url-pattern>
    </servlet-mapping>


</web-app>