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    JSP bean获取各种参数
    1.包:
    复制代码 代码如下:

    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");
    }
    }

    2.JSP代码:
    复制代码 代码如下:

    %--
    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>

    3.输出:
    Operating System Name: Windows Vista
    Operating System Version: 6.0
    Operating System Architecture: x86
    Runtime Environment Version(JDK version): 1.6.0_16
    Runtime Environment Vendor(JDK vendor): Sun Microsystems Inc.
    VM Version: 14.2-b01
    VM Vendor: Sun Microsystems Inc.
    VM Name: Java HotSpot(TM) Client VM
    RTE Specification Version: 1.6
    RTE Specification Vendor: Sun Microsystems Inc.
    RTE Specification Name: Java Platform API Specification
    VM Specification Name: Java Virtual Machine Specification
    VM Specification Version: 1.0
    VM Specification Vendor: Sun Microsystems Inc.
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