<%@page import="java.util.TimeZone"%>
<%@ page contentType="text/html; charset=GBK"%>
<%@ page import="java.lang.reflect.Method" %>
<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="java.util.Date" %>
<%@ page import="java.util.Calendar" %>
<%!public Long getMaxMemory() {
try {
Runtime rt = Runtime.getRuntime();
Method m = rt.getClass().getMethod("maxMemory", new Class[0]);
Long r = (Long) m.invoke(rt, new Object[0]);
return r;
} catch (Exception e) {
e.printStackTrace();
}
return new Long(-1);
}
%>
<%!public Integer getAvailableProcessors() {
try {
Runtime rt = Runtime.getRuntime();
Method m = rt.getClass().getMethod("availableProcessors",
new Class[0]);
return (Integer) m.invoke(rt, new Object[0]);
} catch (Exception e) {
e.printStackTrace();
}
return new Integer(-1);
}
%>
<%!public String getHostName() {
String hostName = null;
try {
hostName = java.net.InetAddress.getLocalHost().getHostName();
} catch (java.net.UnknownHostException e) {
hostName = "<unknown>";
}
return hostName;
}
%>
<%!public String getHostAddress() {
String hostAddress = null;
try {
hostAddress = java.net.InetAddress.getLocalHost().getHostAddress();
} catch (java.net.UnknownHostException e) {
hostAddress = "<unknown>";
}
return hostAddress;
}
%>
<%!public ThreadGroup getRootThreadGroup() {
ThreadGroup group = Thread.currentThread().getThreadGroup();
while (group.getParent() != null) {
group = group.getParent();
}
return group;
}
%>
<%!public String getTimeZoneInfo() {
Calendar cal = Calendar.getInstance();
TimeZone tz = cal.getTimeZone();
String tzId = tz.getID();
int rawOffset = tz.getRawOffset();
int hourOffset = rawOffset / (1000 * 60 * 60);
String tzInfo = "";
if (hourOffset == 0){
tzInfo = "中時區";
}else{
String dir = (hourOffset > 0) ? "東" : "西";
tzInfo = dir + Math.abs(hourOffset) + "區";
}
return tzInfo + "(" + tzId + ")";
}
%>
<HTML>
<HEAD>
<title>系統環境信息</title>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<META NAME="Author" CONTENT="mahh">
<META NAME="Description" CONTENT="系統環境信息">
<style type="text/css">
.version{
border-collapse:collapse
}
.version td{
border:1px solid #999999
}
</style>
</HEAD>
<BODY style="background:transparent;">
<div>
<table class="" width="100%" height="100%" border="0" cellpadding="0" cellspacing="0">
<tr class="title_display">
<td height="30" colspan="2"><jsp:include page="pages/title.jsp?title=系統環境信息"/></td>
</tr>
<tr>
<td class="" >
<table class="FormUnitTable" width="100%" border="0"cellpadding="0" cellspacing="0" class="table" id="version">
<tr>
<th class="table_bg th_width_120 text-right table_height" >統計時間：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date())%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >時區：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=getTimeZoneInfo()%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >操作系統：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("os.name")+" "+System.getProperty("os.arch")+" "+System.getProperty("os.version")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >當前使用JAVA_HOME：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("java.home")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >JAVA虛擬機名稱(java.vm.name)：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("java.vm.name")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >JAVA虛擬機供應商(java.vm.vendor)：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("java.vm.vendor")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >JAVA虛擬機版本(java.vm.version)：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("java.vm.version")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >JAVA版本(java.version)：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("java.version")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >JAVA版本(java.vendor)：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("java.vendor")%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >JAVA虛擬機位數：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=System.getProperty("sun.arch.data.model")%></td>
</tr>
<!--
<tr>
<td>當前佔用內存總數</td><td><%=new Long(Runtime.getRuntime().totalMemory()).longValue()/(1024 * 1024)%>MB</td>
</tr>
<tr>
<td>當前佔用內存剩餘</td><td><%=new Long(Runtime.getRuntime().freeMemory()).longValue()/(1024 * 1024)%>MB</td>
</tr>
<tr>
<td>最大可佔用的內存</td><td><%=getMaxMemory().longValue() / (1024 * 1024)%>MB</td>
</tr>
-->
<tr>
<th class="table_bg th_width_120 text-right table_height" >當前活動線程組總數：</th>
<td width="70%" colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=new Integer(getRootThreadGroup().activeGroupCount())%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >當前活動線程總數：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=new Integer(getRootThreadGroup().activeCount())%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >CPU內核數：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=getAvailableProcessors()%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >當前主機IP地址：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=getHostAddress()%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >當前主機名稱：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" ><%=getHostName()%></td>
</tr>
<tr>
<th class="table_bg th_width_120 text-right table_height" >當前使用者瀏覽器運行模式：</th>
<td colspan="1" rowspan="1" class="" align="left" valign="middle" nowrap="nowrap" style="padding:0 5px 0 5px;" id="browserVersion"></td>
</tr>
</table>
</td>
</tr>
</table>
</div>
</BODY>
</HTML>java運行時，環境信息獲得
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