//文件名称：SyncNetTime.js
//功能说明：同步本机时间与网络时间
//使用方法：Cscript.exe //nologo SyncNetTime.js
//测试环境：系统 Win10 x64 时间 17/2/10 23:35 用户 Yu2n
//更新内容：Fix 获取网络时间，防止 eval 安全问题

//以管理员运行
function GetSystemVersion() {
	var os = GetObject("winmgmts:").InstancesOf("Win32_OperatingSystem");
	for (var e = new Enumerator(os); ! e.atEnd(); e.moveNext()) {
		var v = e.item().Version;
		var ss = v.split('.');
		return ss[0] + ss[1];
	}
	return - 1;
}
if (GetSystemVersion() >= 60) {
	var cmd = WScript.ScriptFullName;
	if (cmd.substring(cmd.length - 3) != ".jS") {
		var Shell = new ActiveXObject("Shell.Application");
		Shell.ShellExecute("wscript.exe", "\"" + cmd.substring(0, cmd.length - 3) + ".jS\"", "", "runas", 1);
		WScript.Quit(0);
	}
}

//获取网络时间，从 www.beijing-time.org 页面，使用正则验证结果，防止 eval 安全问题
var getNetDate = function() {
	var s='';
	try{
		var http = new ActiveXObject("Microsoft.XMLHTTP");
		http.open("GET", "http://www.beijing-time.org/time15.asp?rnd=" + (new Date()), false);
		http.send();
		s = http.responseText;
	}catch(e){};
	var re = /^[\s\S]*(nyear\=\d+;[\r\n]+)(nmonth\=\d+;[\r\n]+)(nday\=\d+;[\r\n]+)(nwday\=\d+;[\r\n]+)(nhrs\=\d+;[\r\n]+)(nmin\=\d+;[\r\n]+)(nsec\=\d+;)[\s\S]*$/igm;
	if (re.test(s) == true) {
		eval(s.replace(re,'$1$2$3$5$6$7'));	//使用正则替换结果，防止 eval 安全问题
		return new Date(nyear+'/'+nmonth+'/'+nday+' '+nhrs+':'+nmin+':'+nsec);
	} else {
		//WScript.Echo("警告：获取网络时间失败！")
		WScript.Quit(0);
	}
};

//设置时间
function ChangeDate()
{
	var WmiService, ComputerName, OSList, OSEnum, OS, DateTime;
	ComputerName = ".";
	WmiService = GetObject ("winmgmts:{impersonationLevel=impersonate, (Systemtime)}!//" + ComputerName + "/root/cimv2");
	OSList = WmiService.InstancesOf ("Win32_OperatingSystem");
	DateTime = new ActiveXObject ("WbemScripting.SWbemDateTime");
	OSEnum = new Enumerator (OSList);
	for ( ; !OSEnum.atEnd(); OSEnum.moveNext())
	{
		OS = OSEnum.item();
		var dtNewDate = getNetDate();	//获取网络时间
		DateTime.Value = OS.LocalDateTime;
		DateTime.Year = dtNewDate.getFullYear();
		DateTime.Month = dtNewDate.getMonth() + 1;
		DateTime.Day = dtNewDate.getDate();
		DateTime.Hours = dtNewDate.getHours();
		DateTime.Minutes = dtNewDate.getMinutes();
		DateTime.Seconds = dtNewDate.getSeconds();
		if (OS.SetDateTime(DateTime.Value) != 0) {
			//WScript.Echo("警告：设置系统时间失败！");
		} else {
			//WScript.Echo("提示：设置成功。当前时间：" + new Date(DateTime.GetVarDate()).toLocaleString());
		};
	}
}
ChangeDate();
WScript.Quit(0);
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/*&cls
@echo off
rem 去掉下句中的echo;方可同步，否则只显示
for /f "tokens=1*" %%i in ('cscript -nologo -e:jscript "%~f0"') do echo;date %%i&echo;time %%j
for /f "tokens=1*" %%i in ('cscript -nologo -e:jscript "%~f0"') do date %%i&time %%j
1pause&exit
*/
function az(n){return n<10?'0'+n:n}
var http = new ActiveXObject('MSXML2.XMLHTTP');
http.open('POST','http://www.114time.com/api/time.php', false)
http.send();
var dt = new Date(http.ResponseText*1);
//减去12个小时上句改为var dt = new Date(http.ResponseText*1-12*3600*1000);
Y = dt.getFullYear();
M = dt.getMonth()+1;
D = dt.getDate();
h = dt.getHours();
m = dt.getMinutes();
s = dt.getSeconds(); 
WSH.echo(Y+'/'+az(M)+'/'+az(D)+' '+az(h)+':'+az(m)+':'+az(s));
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@echo off
(
    echo;With CreateObject("Microsoft.XMLHTTP"^)
    echo;   .open "GET", "http://www.114time.com/api/time.php", False
    echo;   .send
    echo;   ms = .responseText*1
    echo;End With
    echo;WSH.Echo DateAdd("s", left(ms, len(ms^)-3^)+480*60, "1970-1-1 0:0:0"^)
)>%tmp%\dt.vbs

for /f "tokens=1*" %%i in ('cscript -nologo %tmp%\dt.vbs') do date %%i&time %%j
1pause


for /f "tokens=1*" %%i in ('cscript -nologo %tmp%\dt.vbs') do echo;date %%i&echo;time %%j
1pause

for /f "tokens=1*" %%i in ('cscript -nologo %tmp%\dt.vbs') do (echo %%i|date&echo %%j|time)

1pause


exit
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