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java获取本地系统变量 Properties 及 RunTime

2013-12-06 10:53 357 查看

java获取本地系统变量 Properties 及 RunTime

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JAVA
HTML/CSS 2013-10-23 12:59
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[java]
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Properties props = System.getProperties();
Runtime runtime = Runtime.getRuntime();
long freeMemoery = runtime.freeMemory();
long totalMemory = runtime.totalMemory();
long usedMemory = totalMemory - freeMemoery;
long maxMemory = runtime.maxMemory();
long useableMemory = maxMemory - totalMemory + freeMemoery;

[html]
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>jeecms-left</title>
<#include "/jeecms_sys/head.html"/>
</head>
<body>
<div class="box-positon">
<h1><@s.m "global.position"/>: <@s.m "global.admin.home"/> - <@s.m "global.admin.index"/></h1>
</div>
<div class="body-box">
<div class="welcom-con">
<div class="we-txt">
<p>
欢迎使用JEECMS内容管理系统！<br />
JEECMS程序版本： jeecmsv5.0 【<a href="http://www.jeecms.com" target="_blank">查看最新版本</a>】<br />
您上次登录的时间是：${user.lastLoginTime?string('yyyy-MM-dd')}<br />
已用内存：<span style="color:#0078ff;">${(usedMemory/1024/1024)?string("0.##")}MB</span> 剩余内存：<span style="color:#ff8400;">${(useableMemory/1024/1024)?string("0.##")}MB </span> 最大内存：<span style="color:#00ac41;">${(maxMemory/1024/1024)?string("0.##")}MB</span>
</p>
</div>
<ul class="ms">
<li class="wxx">访问量</li><li class="attribute">　　　系统属性</li>
</ul>
<div class="ms-xx">
<div class="xx-xx">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="20%" height="30" align="right"></td>
<td width="25%"><b>PV</b></td>
<td width="25%"><b>IP</b></td>
<td width="30%"><b>独立访客</b></td>
</tr>
<tr>
<td height="30" align="right">今日：</td>
<#list flowMap['today'] as f>
<td>${f.count}</td>
</#list>
</tr>
<tr>
<td height="30" align="right">昨日：</td>
<#list flowMap['yesterday'] as f>
<td>${f.count}</td>
</#list>
</tr>
<tr>
<td height="30" align="right">本周：</td>
<#list flowMap['thisweek'] as f>
<td>${f.count}</td>
</#list>
</tr>
<tr>
<td height="30" align="right">本月：</td>
<#list flowMap['thismonth'] as f>
<td>${f.count}</td>
</#list>
</tr>
<tr>
<td height="30" align="right">累计：</td>
<#list flowMap['total'] as f>
<td>${f.count}</td>
</#list>
</tr>
</table>
</div>
<div class="attribute-xx" style="float:left">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="30%" height="30" align="right">操作系统版本：</td>
<td height="30"><span class="black">${props['os.name']!} ${props['os.version']!}</span></td>
</tr>
<tr>
<td width="30%" height="30" align="right">操作系统类型：</td>
<td height="30"><span class="black">${props['os.arch']!} ${props['sun.arch.data.model']!}位</span> </td>
</tr>
<tr>
<td width="30%" height="30" align="right">用户、目录、临时目录：</td>
<td height="30"><span class="black">${props['user.name']!}, ${props['user.dir']!}, ${props['java.io.tmpdir']!}</span></td>
</tr><tr>
<td width="30%" height="30" align="right">JAVA运行环境：</td>
<td height="30"><span>${props['java.runtime.name']!} ${props['java.runtime.version']!}</span></td>
</tr>
<tr>
<td width="30%" height="30" align="right">JAVA虚拟机：</td>
<td height="30"> <span>${props['java.vm.name']!} ${props['java.vm.version']!}</span></td>
</tr>
</table>
</div>

</div>

</div>
</body>
</html>
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