Maven自动部署war包到tomcat
热部署tomcat
tomcat6.0\conf\tomcat-users.xml中配置：
<role rolename="manager-gui"/>
<user username="admin" password="123" roles="manager-gui"/>

settings.xml中配置：
<server>
<id>tomcat</id>
<username>admin</username>
<password>123</password>
</server>

pom.xml中配置

<plugin>

<groupId>org.codehaus.mojo</groupId>
<artifactId>tomcat-maven-plugin</artifactId>
<version>1.0-beta-1</version>
<configuration>
<url>http://localhost:8080/manager/html</url>
<server>tomcat</server>
</configuration>
</plugin>

先启动tomcat，在部署就可以了