[原创代码] JS 同步本机时间与网络时间

yu2n

//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

//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
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){};
	if (/^t0\=[\s\S]+nyear\=[\s\S]+nsec\=\d+\;$/igm.test(s) == true) {
		eval(s);
		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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happy886rr

回复 2# yu2n
感谢分享代码，让我学到很多js技巧。外国人的月一直都是加1     getMonth()+1

yu2n

更新内容：修复对网络内容使用 eval 的安全问题。

//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 17/2/12 17:00 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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