java获取本地系统变量 Properties 及 RunTime
来源：互联网 发布：mac版本pr怎么降噪音 编辑：程序博客网 时间：2024/06/01 11:49
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;
<!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>
