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

JSP
jsp计数器制作
用jsp编写文件上载
基于JSP的动态网站开发技术
JSP由浅入深(3)—— 通过表达式增加动态内容
JSP由浅入深(5)—— Scriptlets和HTML的混合
JSP由浅入深(1)—— 熟悉JSP服务器
JSP由浅入深(12)—— 表单编辑
JSP由浅入深(11)—— 标记库
JSP由浅入深(10)—— Beans and Forms处理
JSP由浅入深(9)—— JSP Sessions
JSP由浅入深(8)—— JSP Tags
JSP由浅入深(6)—— JSP声明
JSP由浅入深(4)—— Scriptlets
JSP由浅入深(2)—— 第一个JSP
JSP由浅入深(7)—— JSP Directives
JSP中的字符替换函数 str_replace() 实现!
把一张图片变形扭曲成各种不同的长宽
用JSP编写通用信息发布程序
Java Servlet及Cookie的使用
Apache+Servlet+Jsp环境设置(上)

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: 76 ::
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.