开发学院WEB开发Jsp JSP用bean获取各种参数 阅读

JSP用bean获取各种参数

 2009-10-25 16:35:06 来源:WEB开发网   
核心提示:1.包: package beanpackage;/** * * @author lucifer */ public class SystemPRoperties { public String getRuntimeEnvironmentVersion(){ return System.getProperty(&qu

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"/>
     <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.

Tags:JSP bean 获取

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