【Java Web 学习笔记】使用Maven在Eclipse下构建一个Java Web项目并使用Tomcat插件运行

在Eclipse下安装Maven插件

点击Help -->Eclipse Marketplace

在搜索栏中输入maven，点击回车

在搜索列表中，找到Maven Integration for Eclipse，点击Install安装。

点击Window -->Properties -->Maven -->Installations --> add 添加本地安装的Maven并选中 -->Apply

再点击User Settings -->Global Settings -->Browse...选择Maven目录下conf文件夹下的setting.xml文件 -->Apply -->OK

点击File --> New --> Other，选择Maven Project

点击Next-->Next，在Filter中输入web，选择下面选项

点击Next，修改Group Id和Artifact Id，点击Finish完成创建。

添加项目文件

HelloServlet.java

package com.basefas;

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 HelloServlet extends HttpServlet{
	private static final long serialVersionUID = 1L; 
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		PrintWriter out = response.getWriter();
		out.println("Hello World!");
		out.flush();
		out.close();
	}

}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.basefas</groupId>
  <artifactId>helloweb</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>helloweb Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
    	<groupId>
    		javax.servlet
    	</groupId>
    	<artifactId>
    		javax.servlet-api
    	</artifactId>
    	<version>
    		3.0.1
    	</version>
    	<scope>
    		provided
    	</scope>
    </dependency>
    <dependency>
    	<groupId>
    		javax.servlet.jsp
    	</groupId>
    	<artifactId>
    		jsp-api
    	</artifactId>
    	<version>
    		2.1
    	</version>
    	<scope>
    		provided
    	</scope>
    </dependency>
    <dependency>
    	<groupId>
    		jstl
    	</groupId>
    	<artifactId>
    		jstl
    	</artifactId>
    	<version>
    		1.2
    	</version>
    	<scope>
    		provided
    	</scope>
    </dependency>
  </dependencies>
  <build>
    <finalName>helloweb</finalName>
    <plugins>
    	<plugin>
    		<groupId>
    			org.apache.tomcat.maven
    		</groupId>
    		<artifactId>
    			tomcat6-maven-plugin
    		</artifactId>
    		<version>
    			2.2
    		</version>
    	</plugin>
    				<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<source>1.6</source>
					<target>1.6</target>
				</configuration>
			</plugin>
    	<plugin>
    		<groupId>
    			org.apache.tomcat.maven
    		</groupId>
    		<artifactId>
    			tomcat7-maven-plugin
    		</artifactId>
    		<version>
    			2.2
    		</version>
    	</plugin>
    </plugins>
  </build>
</project>

在运行的三角图标的下拉选项中选择Run Configurations...

在Maven Build一栏点击鼠标右键，选择New

在Base directory选择Browse Workspace...选择目标项目

在Goals中输入tomcat7:run，点击Run，程序就可以运行了

在浏览器中输入 http://localhost:8080/helloweb

就可以看到Hello World！显示在浏览器中了

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