Eclipse + Tomcat 搭建Servlet开发环境

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我是靠谱客的博主刻苦老师，这篇文章主要介绍Eclipse + Tomcat 搭建Servlet开发环境，现在分享给大家，希望可以做个参考。

1，原来已经安装的Eclipse J2SE版本。

2，安装Tomcat7.X

3，下载Tomcat Plugin For Eclipse并进行相应配置。在Eclipse中 "Window"---"Preferences"---"Tomcat"

4，创建Tomcat项目："File"---"Project"---"New Project"---"Tomcat Project"

5，填写项目名称 FirstServlet，完成后得到：

6，在 WEB-INF/src下新建一个test包，并创建 HelloWorld.java

 
    
  
复制代码package test;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HelloWorld extends HttpServlet{
    private String message;
    
    public void init() throws ServletException{
        message = "Hello World";
    }
    
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<h1>" + message + "</h1>");
    }
    public void distory(){
        
    }
}package test;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class HelloWorld extends HttpServlet{
    private String message;
    
    public void init() throws ServletException{
        message = "Hello World";
    }
    
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<h1>" + message + "</h1>");
    }
    public void distory(){
        
    }
}
 
    
  

7，在WEB-INF/ 下面新建一个web.xml文件，填写以下内容

 
    
  
复制代码<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
    
    <servlet>
        <servlet-name>HelloWorld</servlet-name>
        <servlet-class>test.HelloWorld</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>HelloWorld</servlet-name>
        <url-pattern>/HelloWorld</url-pattern>
    </servlet-mapping>
</web-app><?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
    
    <servlet>
        <servlet-name>HelloWorld</servlet-name>
        <servlet-class>test.HelloWorld</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>HelloWorld</servlet-name>
        <url-pattern>/HelloWorld</url-pattern>
    </servlet-mapping>
</web-app>
 
    
  