摘要:
<role rolename="tomcat"/> <role rolename="role1"/> <user username="tomcat" password="tomcat" roles="tomcat"/> <user username="both" password="tomcat" 阅读全文
摘要:
Properties props=System.getProperties(); //系统属性 System.out.println("Java的运行环境版本:"+props.getProperty("java.version")); System.out.println("Java的运行环境供应商 阅读全文