JSP bean获取各种参数

package beanpackage;
/**
*
* @author lucifer
*/
public class SystemProperties {
public String getRuntimeEnvironmentVersion(){
return System.getProperty("java.version");
}
public String getRuntimeEnvironmentVendor(){
return System.getProperty("java.vendor");
}
public String getVmVersion(){
return System.getProperty("java.vm.version");
}
public String getVmVendor(){
return System.getProperty("java.vm.vendor");
}
public String getVmName(){
return System.getProperty("java.vm.name");
}
public String getVmSpecVersion(){
return System.getProperty("java.vm.specification.version");
}
public String getVmSpecVendor(){
return System.getProperty("java.vm.specification.vendor");
}
public String getVmSpecName(){
return System.getProperty("java.vm.specification.name");
}
public String getRteSpecName(){
return System.getProperty("java.specification.name");
}
public String getRteSpecVersion(){
return System.getProperty("java.specification.version");
}
public String getRteSpecVendor(){
return System.getProperty("java.specification.vendor");
}
public String getOperatingSystemName(){
return System.getProperty("os.name");
}
public String getOperatingSystemVersion(){
return System.getProperty("os.version");
}
public String getOperatingSystemArchitecture(){
return System.getProperty("os.arch");
}
}

%--
Document : usebean
Created on : 2009-10-3, 13:06:24
Author : lucifer
--%>
%@page contentType="text/html" pageEncoding="UTF-8"%>
!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
jsp:useBean id="properties" class="beanpackage.SystemProperties"/>
html>
head>
meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
title>JSP Page/title>
/head>
body>
Operating System Name:
jsp:getProperty name="properties" property="operatingSystemName"/>
br>
Operating System Version:
jsp:getProperty name="properties" property="operatingSystemVersion"/>
br>
Operating System Architecture:
jsp:getProperty name="properties" property="operatingSystemArchitecture"/>
br>
br>
Runtime Environment Version(JDK version):
jsp:getProperty name="properties" property="runtimeEnvironmentVersion"/>
br>
Runtime Environment Vendor(JDK vendor):
jsp:getProperty name="properties" property="runtimeEnvironmentVendor"/>
br>
br>
VM Version:
jsp:getProperty name="properties" property="vmVersion"/>
br>
VM Vendor:
jsp:getProperty name="properties" property="vmVendor"/>
br>
VM Name:
jsp:getProperty name="properties" property="vmName"/>
br>
br>
RTE Specification Version:
jsp:getProperty name="properties" property="rteSpecVersion"/>
br>
RTE Specification Vendor:
jsp:getProperty name="properties" property="rteSpecVendor"/>
br>
RTE Specification Name:
jsp:getProperty name="properties" property="rteSpecName"/>
br>
br>
VM Specification Name:
jsp:getProperty name="properties" property="vmSpecName"/>
br>
VM Specification Version:
jsp:getProperty name="properties" property="vmSpecVersion"/>
br>
VM Specification Vendor:
jsp:getProperty name="properties" property="vmSpecVendor"/>
/body>
/html>