当前位置: 首页 > 图文教程 > 网络编程 > JSP > JSP bean获取各种参数

JSP
Java 创建cookie和删除cookie
jsp 从web.xml读取连接数据库的参数
jsp 不支持EL表达式,解决办法
jsp 获取客户端的浏览器和操作系统信息
struts2 session 解读
struts2 spring整合fieldError问题
jsp 生成验证码代码
搭建java WEB开发环境和应用
JSP 自定义标签
Java 区分文本中的中英文字符函数
通用JSP页面 jsp入门级文章
jsp struts1 标签实例详解
一个jdbc 测试程序代码
SSH整合中 hibernate托管给Spring得到SessionFactory
jsp SmartUpload 实现上传功能代码
jsp Unsupported encoding: gb2312 错误原因
java Struts2 在拦截器里的跳转问题
jsp 对request.getSession(false)的理解(附程序员常疏忽的一个漏洞)
Java 项目生成静态页面的代码
jdk与jre的区别 很形象,很清晰,通俗易懂

JSP bean获取各种参数


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-11   浏览: 66 ::
收藏到网摘: n/a

JSP bean获取各种参数的实现代码。 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.