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JSP中bean的使用
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代碼：
<%--
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&nb
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