1、tomcat启动后到管理页面
2、在tomcat\conf\tomcat-users.xml配置tomcat登录用户
// tomcat-users中加入如下代码
<role rolename="manager"/>
<role rolename="manager-gui"/>
<role rolename="admin"/>
<role rolename="admin-gui"/>
<role rolename="manager-script"/>
<role rolename="manager-jmx"/>
<role rolename="manager-status"/>
<user username="Tomcat" password="Tomcat" roles="admin-gui,admin,manager-gui,manager,manager-script,manager-jmx,manager-status"/>