java.util.Properties类 学习笔记
http://trans.blog.51cto.com/503170/110227/
FreeMarker代码
<#list systemPro.keySet() as key>
<tr>
<td>${key}</td>
<td>${systemPro.get(key)}</td>
</tr>
</#list>
// 获取系统信息
Properties systemPro = System.getProperties();
setAttr("systemPro", systemPro);