分享一个很有意义的环境探针
分享一个很有意思的环境探针
<%@ page contentType="text/html;charset=gb2312" %> <%@ page import="java.util.*,java.io.*,javax.servlet.*,javax.servlet.http.*,java.lang.*" %> <% long timePageStart = System.currentTimeMillis(); %> <% class EnvServlet { public long timeUse=0; public Hashtable htParam=new Hashtable(); private Hashtable htShowMsg=new Hashtable(); public void setHashtable() { Properties me=System.getProperties(); Enumeration em=me.propertyNames(); while(em.hasMoreElements()) { String strKey=(String)em.nextElement(); String strValue=me.getProperty(strKey); htParam.put(strKey,strValue); } } public void getHashtable(String strQuery) { Enumeration em=htParam.keys(); while(em.hasMoreElements()) { String strKey=(String)em.nextElement(); String strValue=new String(); if(strKey.indexOf(strQuery,0)>=0) { strValue=(String)htParam.get(strKey); htShowMsg.put(strKey,strValue); } } } public String queryHashtable(String strKey) { strKey=(String)htParam.get(strKey); return strKey; } public long test_int() { long timeStart = System.currentTimeMillis(); int i=0; while(i<3000000)i++; long timeEnd = System.currentTimeMillis(); long timeUse=timeEnd-timeStart; return timeUse; } public long test_sqrt() { long timeStart = System.currentTimeMillis(); int i=0; double db=(double)new Random().nextInt(1000); while(i<200000){db=Math.sqrt(db);i++;} long timeEnd = System.currentTimeMillis(); long timeUse=timeEnd-timeStart; return timeUse; } } %> <% EnvServlet env=new EnvServlet(); env.setHashtable(); String action=new String(" "); String act=new String("action"); if(request.getQueryString()!=null&&request.getQueryString().indexOf(act,0)>=0)action=request.getParameter(act); %> <html> <head> <title>JSP 探针</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <style> A { COLOR: #000000; TEXT-DECORATION: none} A:hover { COLOR: #f58200} body,td,span { font-size: 9pt} .input { BACKGROUND-COLOR: #ffffff;BORDER:#f58200 1px solid;FONT-SIZE: 9pt} .backc { BACKGROUND-COLOR: #f58200;BORDER:#f58200 1px solid;FONT-SIZE: 9pt;color:white} .PicBar { background-color: #f58200; border: 1px solid #000000; height: 12px;} .tableBorder {BORDER-RIGHT: #183789 1px solid; BORDER-TOP: #183789 1px solid; BORDER-LEFT: #183789 1px solid; BORDER-BOTTOM: #183789 1px solid; BACKGROUND-COLOR: #ffffff; WIDTH: 760;} .divcenter { position:absolute; height:30px; z-index:1000; left: 101px; top: 993px; } </STYLE> <script language="javascript"> function showsubmenu(sid) { whichEl = eval("submenu" + sid); if (whichEl.style.display == "none") { eval("submenu" + sid + ".style.display=\"\";"); eval("txt" + sid + ".innerHTML=\"<a href='#' title='关闭此项'><font face='Wingdings' color=#FFFFFF>x</font></a>\";"); } else { eval("submenu" + sid + ".style.display=\"none\";"); eval("txt" + sid + ".innerHTML=\"<a href='#' title='打开此项'><font face='Wingdings' color=#FFFFFF>y</font></a>\";"); } } </SCRIPT> </head> <body topmargin="0" leftmargin="0"> <CENTER> 选项：<a href="#ServerInfo">服务器相关参数</a> | <a href="#JAVAInfo">JAVA相关参数</a> | <a href="#Paramter">参数查询</a> | <a href="#ServerAbility">服务器运算能力</a> | <a href="#ISpeedTest">服务器连接速度</a> | <a href="javascript:location.reload()">刷新</a><a name="ServerInfo"></a> <table border="0" cellpadding="0" cellspacing="1" class="tableBorder"> <tr> <td height="22" align="center" bgcolor="#f58200" onclick="showsubmenu(0)"><font color=#FFFFFF><strong>服务器相关参数</strong></font> <a href="#top" title="返回顶部"><font face='Webdings' color=#FFFFFF>5</font></a> <span id=txt0 name=txt0><a href='#' title='关闭此项'><font face='Wingdings' color=#FFFFFF>x</font></a></span> </td> </tr> <tr> <td style="display" id='submenu0'><table border=0 width=100% cellspacing=1 cellpadding=3 bgcolor="#f58200"> <tr bgcolor="#FFFFFF" height="22"> <td width="130"> 服务器名</td> <td colspan="3" height="22"> <%= request.getServerName() %>(<%=request.getRemoteAddr()%>)</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td> 服务器操作系统</td> <td colspan="3"> <%=env.queryHashtable("os.name")%> <%=env.queryHashtable("os.version")%> <%=env.queryHashtable("sun.os.patch.level")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td> 服务器操作系统类型</td> <td> <%=env.queryHashtable("os.arch")%></td> <td> 服务器操作系统模式</td> <td> <%=env.queryHashtable("sun.arch.data.model")%>位</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td> 服务器所在地区</td> <td> <%=env.queryHashtable("user.country")%></td> <td> 服务器语言</td> <td> <%=env.queryHashtable("user.language")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td> 服务器时区</td> <td> <%=env.queryHashtable("user.timezone")%></td> <td> 服务器时间</td> <td> <%=new java.util.Date()%> </td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td> 服务器解译引擎</td> <td width="170"> <%= getServletContext().getServerInfo() %></td> <td width="130"> 服务器端口</td> <td width="170"> <%= request.getServerPort() %></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td height="22"> 当前用户</td> <td height="22" colspan="3"> <%=env.queryHashtable("user.name")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td> 用户目录</td> <td colspan="3"> <%=env.queryHashtable("user.dir")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td align=left bgcolor="#FFFFFF"> 本文件实际路径</td> <td height="8" colspan="3" bgcolor="#FFFFFF"> <%=request.getRealPath(request.getServletPath())%></td> </tr> </table> </td> </tr> </table> <a name="JAVAInfo" id="JAVAInfo"></a><br> <table border="0" cellpadding="0" cellspacing="1" class="tableBorder"> <tr> <td height="22" align="center" bgcolor="#f58200" onclick="showsubmenu(1)"><font color=#FFFFFF><strong>JAVA相关参数</strong></font> <a href="#top" title="返回顶部"><font face='Webdings' color=#FFFFFF>5</font></a> <span id=txt1 name=txt1><a href='#' title='关闭此项'><font face='Wingdings' color=#FFFFFF>x</font></a></span> </td> </tr> <tr> <td style="display" id='submenu1'> <table border=0 width=100% cellspacing=1 cellpadding=3 bgcolor="#f58200"> <tr bgcolor="#fcc79b" height="22"> <td width="30%"> 名称</td> <td width="50%" height="22"> 英文名称</td> <td width="20%" height="22"> 版本</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> JAVA运行环境名称</td> <td width="50%" height="22"> <%=env.queryHashtable("java.runtime.name")%></td> <td width="20%" height="22"> <%=env.queryHashtable("java.runtime.version")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> JAVA运行环境说明书名称</td> <td width="50%" height="22"> <%=env.queryHashtable("java.specification.name")%></td> <td width="20%" height="22"> <%=env.queryHashtable("java.specification.version")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> JAVA虚拟机名称</td> <td width="50%" height="22"> <%=env.queryHashtable("java.vm.name")%></td> <td width="20%" height="22"> <%=env.queryHashtable("java.vm.version")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> JAVA虚拟机说明书名称</td> <td width="50%" height="22"> <%=env.queryHashtable("java.vm.specification.name")%></td> <td width="20%" height="22"> <%=env.queryHashtable("java.vm.specification.version")%></td> </tr> <% float fFreeMemory=(float)Runtime.getRuntime().freeMemory(); float fTotalMemory=(float)Runtime.getRuntime().totalMemory(); float fPercent=fFreeMemory/fTotalMemory*100; %> <tr bgcolor="#FFFFFF" height="22"> <td height="22"> JAVA虚拟机剩余内存：</td> <td height="22" colspan="2"><img align=absmiddle class=PicBar width='<%=0.85*fPercent%>%'> <%=fFreeMemory/1024/1024%>M </td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td height="22"> JAVA虚拟机分配内存</td> <td height="22" colspan="2"><img align=absmiddle class=PicBar width='85%'> <%=fTotalMemory/1024/1024%>M </td> </tr> </table> <table border=0 width=100% cellspacing=1 cellpadding=3 bgcolor="#f58200"> <tr bgcolor="#fcc79b" height="22"> <td width="30%"> 参数名称</td> <td width="70%" height="22"> 参数路径</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> java.class.path </td> <td width="70%" height="22"> <%=env.queryHashtable("java.class.path").replaceAll(env.queryHashtable("path.separator"),env.queryHashtable("path.separator")+"<br> ")%> </td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> java.home</td> <td width="70%" height="22"> <%=env.queryHashtable("java.home")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> java.endorsed.dirs</td> <td width="70%" height="22"> <%=env.queryHashtable("java.endorsed.dirs")%></td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> java.library.path</td> <td width="70%" height="22"> <%=env.queryHashtable("java.library.path").replaceAll(env.queryHashtable("path.separator"),env.queryHashtable("path.separator")+"<br> ")%> </td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td width="30%"> java.io.tmpdir</td> <td width="70%" height="22"> <%=env.queryHashtable("java.io.tmpdir")%></td> </tr> </table> </td> </tr> </table> <a name="Paramter" id="Paramter"></a><br> <form action="?action=query" method="post" name="queryform"> <table border="0" cellpadding="0" cellspacing="1" class="tableBorder"> <tr> <td height="22" align="center" bgcolor="#f58200" onclick="showsubmenu(2)"><font color=#FFFFFF><strong>参数查询</strong></font> <a href="#top" title="返回顶部"><font face='Webdings' color=#FFFFFF>5</font></a> <span id=txt2 name=txt2><a href='#' title='关闭此项'><font face='Wingdings' color=#FFFFFF>x</font></a></span> </td> </tr> <tr> <td style="display" id='submenu2'> <table border=0 width=100% cellspacing=1 cellpadding=3 bgcolor="#f58200"> <tr bgcolor="#fcc79b" height="22"> <td> 请查询系统的参数信息(<a href="#" onClick="document.queryform.submit()">枚举所有参数信息</a>)</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td align=center> <input type="text" name="query" class="input" size="70"> <input type="submit" value="提交" class="backc"> <input type="reset" value="重置" class="backc"> </td> </tr> </table> <table border=0 width=100% cellspacing=1 cellpadding=3 bgcolor="#f58200"> <% if(action.equals("query")) { String query=request.getParameter("query"); env.getHashtable(query); if(env.htShowMsg.size()>0) out.println("<tr bgcolor=\"#fcc79b\" height=\"22\">\n<td> 参数名称</td>\n<td> 参数信息</td>\n</tr>"); else out.println("<tr bgcolor=\"#fcc79b\" height=\"22\">\n<td> <font color=red>出错信息：</font></td>\n<td> <font color=red>没有找到你所查询的内容，请输入所要查询的参数，如果不确认，可以进行抽象查询，输入所包含字母。</font></td>\n</tr>"); Enumeration em=env.htShowMsg.keys(); while(em.hasMoreElements()) { String strParam=(String)em.nextElement(); String strParamValue=(String)env.htShowMsg.get(strParam); if(strParam.indexOf(".path",0)>=0){strParamValue=strParamValue.replaceAll(env.queryHashtable("path.separator"),env.queryHashtable("path.separator")+"<br> ");} out.println ("<tr bgcolor=\"#FFFFFF\" height=\"22\"><td width=\"30%\"> "+strParam+"</td><td width=\"70%\"> "+strParamValue+"</td></tr>"); } } %> </table> </td> </tr> </table> </form> <a name="ServerAbility" id="ServerAbility"></a> <table border="0" cellpadding="0" cellspacing="1" class="tableBorder"> <tr> <td height="22" align="center" bgcolor="#f58200" onclick="showsubmenu(3)"><font color=#FFFFFF><strong>服务器运算能力</strong></font> <a href="#top" title="返回顶部"><font face='Webdings' color=#FFFFFF>5</font></a> <span id=txt3 name=txt3><a href='#' title='关闭此项'><font face='Wingdings' color=#FFFFFF>x</font></a></span> </td> </tr> <tr> <td style="display" id='submenu3'> <table border=0 width=100% cellspacing=1 cellpadding=3 bgcolor="#f58200"> <tr bgcolor="#fcc79b" height="22"> <td colspan="3"> <font face='Webdings'>4</font> 让服务器执行300万次加法(<font color="#000000">整数运算</font>)和20万次开方(浮点运算)，记录其所使用的时间。 </td> </tr> <tr height="22"bgcolor="#FFFFFF" > <td align=center bgcolor="#FFFFFF"><font color="#000000">可 供 参 考 的 服 务 器 列 表</font></td> <td align="center">整数运算</td> <td align="center">浮点运算</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td align=left> 公司的电脑 (CPU:Celeron 1G 内存:256M)</td> <td align="center">60 毫秒</td> <td align="center">70 毫秒</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td align=left> 家里的电脑 (CPU:Duron 1G 内存:384M) </td> <td align="center">20 毫秒</td> <td align="center">10 毫秒</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td align=left> <a href="http://free3.e-168.cn/cnforum/jspenv.jsp" target="_blank">中国网聚服务器 (CPU:Intel Pentium III 1G 内存:768M)</a></td> <td align="center">20 毫秒</td> <td align="center">3 毫秒</td> </tr> <tr bgcolor="#FFFFFF" height="22"> <td align=left> <a href="http://ibmclub.hust.edu.cn/myweb/ggyy/jspenv.jsp" target="_blank">IBM俱乐部 (CPU:IIntel(R) Celeron(R) CPU 1.70G 内存:256M)</a></td> <td align="center">3 毫秒 </td> <td align="center">7 毫秒</td> </tr> <tr bgcolor="#FFFFFF" height=25> <td align=left> <font color=red>您正在使用的这台服务器</font> <INPUT name="button2" type="button" class=backc onclick="javascript:location.reload()" value="重新测试"> </td> <td align="center"><font color=red><%=env.test_int()%> 毫秒</font></td> <td align="center"><font color=red><%=env.test_sqrt()%> 毫秒</font></td> </tr> </table></td> </tr> </table> <a name="ISpeedTest" id="ISpeedTest"></a><br> <% if(action.equals("SpeedTest")) { %> <div id="testspeed" align="center"> <table width="200" border="0" cellspacing="0" cellpadding="0" class="divcenter"> <tr> <td height="30" align=center><p><font color="#000000"><span id=txt5>网速测试中，请稍候...</span></font></p></td> </tr> </table> </div> <%}%> <table border="0" cellpadding="0" cellspacing="1" bgcolor="#f58200" class="tableBorder"> <tr> <td height="25" align="center" bgcolor="#f58200" onclick="showsubmenu(4)"><font color="#FFFFFF"><strong>服务器连接速度</strong></font> <a href="#top" title="返回顶部"><font face='Webdings' color=#FFFFFF>5</font></a> <span id=txt4 name=txt4><a href='#' title='关闭此项'><font face='Wingdings' color=#FFFFFF>x</font></a></span> </td> </tr> <tr> <td bgcolor="#F8F9FC" style="display" id='submenu4'> <table width="100%" border="0" cellspacing=1 cellpadding=3 bgcolor="#f58200"> <tr bgcolor="#FFFFFF"> <td width="80">接入设备</td> <td width="420"> 连接速度(理想值)</td> <td width="100">下载速度(理想值)</td> </tr> <tr bgcolor="#FFFFFF"> <td>56k Modem</td> <td><img align=absmiddle class=PicBar width='1%'> 56 Kbps</td><td> 7.0 k/s</td> </tr> <tr bgcolor="#FFFFFF"> <td>64k ISDN</td> <td><img align=absmiddle class=PicBar width='1%'> 64 Kbps</td><td> 8.0 k/s</td> </tr> <tr bgcolor="#FFFFFF"> <td>512k ADSL</td> <td><img align=absmiddle class=PicBar width='5%'> 512 Kbps</td><td> 64.0 k/s</td> </tr> <tr bgcolor="#FFFFFF"> <td height="19">1.5M Cable</td> <td><img align=absmiddle class=PicBar width='15%'> 1500 Kbps</td><td> 187.5 k/s</td> </tr> <tr bgcolor="#FFFFFF"> <td>5M FTTP</td> <td><img align=absmiddle class=PicBar width='50%'> 5000 Kbps</td><td> 625.0 k/s</td> </tr> <tr bgcolor="#FFFFFF"> <td>当前连接速度</td> <% if(action.equals("SpeedTest")) { out.println("<script language='JavaScript'>var tSpeedStart=new Date();</script>") ; out.println("<!--\n"); for(int i=0;i<1000;i++) {out.println("####################################################################################################");} out.println("-->\n"); out.println("<script language='JavaScript'>var tSpeedEnd=new Date();</script>\n"); out.println("<script language='JavaScript'>"); out.println("var iSpeedTime=0;iSpeedTime=(tSpeedEnd - tSpeedStart) / 1000;"); out.println("if(iSpeedTime>0) iKbps=Math.round(Math.round(100 * 8 / iSpeedTime * 10.5) / 10); else iKbps=10000 ;"); out.println("var iShowPer=Math.round(iKbps / 100);"); out.println("if(iShowPer<1) iShowPer=1; else if(iShowPer>82) iShowPer=82;"); out.println("</script>\n"); out.println("<script language='JavaScript'>") ; out.println("document.write('<td><img align=absmiddle class=PicBar width=\"' + iShowPer + '%\">' + iKbps + ' Kbps');"); out.println("</script>\n"); out.println("</td><td> <a href='?action=SpeedTest' title=测试连接速度><u>"); out.println("<script language='JavaScript'>"); out.println("document.write(Math.round(iKbps/8*10)/10+ ' k/s');"); out.println("</script>\n") ; out.println("</u></a></td>"); %> <script> txt5.innerHTML="网速测试完毕!" testspeed.style.visibility="hidden" </script> <% } else {out.println("<td></td><td> <a href='?action=SpeedTest' title=测试连接速度><u>开始测试</u></a></td>");} %> </tr> </table></td> </tr> </table> <% long timePageEnd = System.currentTimeMillis(); long timePageUse=timePageEnd-timePageStart; %> </CENTER> </body> </html>
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