批改tomcat-users.xml文件

修改tomcat-users.xml文件?xml version1.0 encodingutf-8?tomcat-usersrole rolenametomcat

修改tomcat-users.xml文件
<?xml version='1.0' encoding='utf-8'?>
<tomcat-users>
  <role rolename="tomcat"/>
  <role rolename="role1"/>
  <role rolename="manager"/>
  <role rolename="admin"/>
  <user username="tomcat" password="tomcat" roles="tomcat"/>
  <user username="role1" password="tomcat" roles="role1"/>
  <user username="both" password="tomcat" roles="tomcat,role1"/>
  <user username="admin" password="" roles="admin,manager"/>
</tomcat-users> 1 楼 410163269 2011-03-22   什么意思啊 求解释