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JSP用bean获取各种参数

来源： IT部落作者： sevenleaf 2010-05-10/11:02

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正文

1.包：

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：

<%--
 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"/>
 
 Operating System Version:
 <jsp:getProperty name="properties" property="operatingSystemVersion"/>
 
 Operating System Architecture:
 <jsp:getProperty name="properties" property="operatingSystemArchitecture"/>
 
 
 Runtime Environment Version(JDK version):
 <jsp:getProperty name="properties" property="runtimeEnvironmentVersion"/>
 
 Runtime Environment Vendor(JDK vendor):
 <jsp:getProperty name="properties" property="runtimeEnvironmentVendor"/>
 
 
 VM Version:
 <jsp:getProperty name="properties" property="vmVersion"/>
 
 VM Vendor:
 <jsp:getProperty name="properties" property="vmVendor"/>
 
 VM Name:
 <jsp:getProperty name="properties" property="vmName"/>
 
 
 RTE Specification Version:
 <jsp:getProperty name="properties" property="rteSpecVersion"/>
 
 RTE Specification Vendor:
 <jsp:getProperty name="properties" property="rteSpecVendor"/>
 
 RTE Specification Name:
 <jsp:getProperty name="properties" property="rteSpecName"/>
 
 
 VM Specification Name:
 <jsp:getProperty name="properties" property="vmSpecName"/>
 
 VM Specification Version:
 <jsp:getProperty name="properties" property="vmSpecVersion"/>
 
 VM Specification Vendor:
 <jsp:getProperty name="properties" property="vmSpecVendor"/>
 </body>
</html>