使用eclipse开发servlet

时间：2021-08-15 23:32:49
package cn.itcast;

import java.io.IOException;

import javax.servlet.GenericServlet;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

public class ServletDemo1 extends GenericServlet {

    @Override

    public void service(ServletRequest req, ServletResponse res)

            throws ServletException, IOException {

        res.getOutputStream().write("hello servlet".getBytes());

    }

}
<?xml version="1.0" encoding="UTF-8"?>

<web-app version="2.4"

    xmlns="http://java.sun.com/xml/ns/j2ee"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee

    http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<servlet>

    <servlet-name>ServletDemo1</servlet-name>

    <servlet-class>cn.itcast.ServletDemo1</servlet-class>

</servlet>

<servlet-mapping>

    <servlet-name>ServletDemo1</servlet-name>

    <url-pattern>/ServletDemo1</url-pattern>

</servlet-mapping>

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

</web-app>

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