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java获取本地系统变量 Properties 及 RunTime

2016-12-14 09:40 435 查看
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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;  



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;


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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>  



<!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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