Question

我的问题很简单但我无法找到解决方法。我需要一个服务器时间倒计时脚本运行10分钟，运行一个php文件，倒计时结束时再次重启。我已经阅读了jQuery脚本，但是所有这些脚本都为我提供了一个特定日期的倒计时，然后停止。

有人能指出我找到这样一个脚本的正确方向吗？

这就是我所拥有的

  <style style="text/css">

.lcdstyle{ /*Example CSS to create LCD countdown look*/
background-color:black;
color:lime;
font: bold 18px MS Sans Serif;
padding: 3px;
}

.lcdstyle sup{ /*Example CSS to create LCD countdown look*/
font-size: 80%
}

</style>

<script type="text/javascript">



function cdLocalTime(container, servermode, offsetMinutes, targetdate, debugmode){
if (!document.getElementById || !document.getElementById(container)) return
this.container=document.getElementById(container)
var servertimestring=(servermode=="server-php")? '<? print date("F d, Y H:i:s", time())?>' : (servermode=="server-ssi")? '<!--#config timefmt="%B %d, %Y %H:%M:%S"--><!--#echo var="DATE_LOCAL" -->' : '<%= Now() %>'
this.localtime=this.serverdate=new Date(servertimestring)
this.targetdate=new Date(targetdate)
this.debugmode=(typeof debugmode!="undefined")? 1 : 0
this.timesup=false
this.localtime.setTime(this.serverdate.getTime()+offsetMinutes*60*1000) //add user offset to server time
this.updateTime()
}

cdLocalTime.prototype.updateTime=function(){
var thisobj=this
this.localtime.setSeconds(this.localtime.getSeconds()+1)
setTimeout(function(){thisobj.updateTime()}, 1000) //update time every second
}

cdLocalTime.prototype.displaycountdown=function(baseunit, functionref){
this.baseunit=baseunit
this.formatresults=functionref
this.showresults()
}

cdLocalTime.prototype.showresults=function(){
var thisobj=this
var debugstring=(this.debugmode)? "<p style=\"background-color: #FCD6D6; color: black; padding: 5px\"><big>Debug Mode on!</big><br /><b>Current Local time:</b> "+this.localtime.toLocaleString()+"<br />Verify this is the correct current local time, in other words, time zone of count down date.<br /><br /><b>Target Time:</b> "+this.targetdate.toLocaleString()+"<br />Verify this is the date/time you wish to count down to (should be a future date).</p>" : ""

var timediff=(this.targetdate-this.localtime)/1000 //difference btw target date and current date, in seconds
if (timediff<0){ //if time is up
this.timesup=true
this.container.innerHTML=debugstring+this.formatresults()
return
}
var oneMinute=60 //minute unit in seconds
var oneHour=60*60 //hour unit in seconds
var oneDay=60*60*24 //day unit in seconds
var dayfield=Math.floor(timediff/oneDay)
var hourfield=Math.floor((timediff-dayfield*oneDay)/oneHour)
var minutefield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute)
var secondfield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute))
if (this.baseunit=="hours"){ //if base unit is hours, set "hourfield" to be topmost level
hourfield=dayfield*24+hourfield
dayfield="n/a"
}
else if (this.baseunit=="minutes"){ //if base unit is minutes, set "minutefield" to be topmost level
minutefield=dayfield*24*60+hourfield*60+minutefield
dayfield=hourfield="n/a"
}
else if (this.baseunit=="seconds"){ //if base unit is seconds, set "secondfield" to be topmost level
var secondfield=timediff
dayfield=hourfield=minutefield="n/a"
}
this.container.innerHTML=debugstring+this.formatresults(dayfield, hourfield, minutefield, secondfield)
setTimeout(function(){thisobj.showresults()}, 1000) //update results every second
}

/////CUSTOM FORMAT OUTPUT FUNCTIONS BELOW//////////////////////////////

//Create your own custom format function to pass into cdLocalTime.displaycountdown()
//Use arguments[0] to access "Days" left
//Use arguments[1] to access "Hours" left
//Use arguments[2] to access "Minutes" left
//Use arguments[3] to access "Seconds" left

//The values of these arguments may change depending on the "baseunit" parameter of cdLocalTime.displaycountdown()
//For example, if "baseunit" is set to "hours", arguments[0] becomes meaningless and contains "n/a"
//For example, if "baseunit" is set to "minutes", arguments[0] and arguments[1] become meaningless etc

//1) Display countdown using plain text
function formatresults(){
if (this.timesup==false){//if target date/time not yet met
var displaystring="<span style='background-color: #CFEAFE'>"+arguments[2]+" minutes "+arguments[3]+" seconds</span> left until launch time"
}
else{ //else if target date/time met
var displaystring="Launch time!"
}
return displaystring
}

//2) Display countdown with a stylish LCD look, and display an alert on target date/time
function formatresults2(){
if (this.timesup==false){ //if target date/time not yet met
var displaystring="<span class='lcdstyle'>"+arguments[2]+" <sup>minutes</sup> "+arguments[3]+" <sup>seconds</sup></span> left until launch time"
}
else{ //else if target date/time met
var displaystring="" //Don't display any text
alert("Launch time!") //Instead, perform a custom alert
}
return displaystring
}

</script>  

<div id="cdcontainer"></div>

 <script type="text/javascript">
 //cdLocalTime("ID_of_DIV_container", "server_mode", LocaltimeoffsetMinutes, "target_date", "opt_debug_mode")
 //cdLocalTime.displaycountdown("base_unit", formatfunction_reference)

 //Note: "launchdate" should be an arbitrary but unique variable for each instance of a countdown on your page:

 var launchdate=new cdLocalTime("cdcontainer", "server-php", 0, "April 28, 5012 00:05:00", "debugmode")
 launchdate.displaycountdown("days", formatresults2)
 </script>

有什么想法吗？

Answer 1

看起来你想要的是cron job;它可以在预定义的时间或间隔执行脚本。设置cron取决于您执行它的服务器环境。

使用JavaScript中的倒计时脚本进行更新：

var count = 600;

function hitPhpScript() {
    var xhr = new XMLHttpRequest();
    xhr.open("get", "myscript.php", true);
    xhr.send(null);
    startCountdown();
}

function startCountdown() {
    count = 600;
    doCountdown();
}

function doCountdown() {
    count--;

    if (count > 0) {
        document.getElementById("countdown_label").innerHTML = count + " seconds left";
        setTimeout("doCountdown()", 1000);
    } else {
        hitPhpScript();
    }
}

Answer 2

这是在页面加载时将时钟初始化为30分钟的块：

$date = date('i');
$sec = date('s');
$diff = ($date < 30) ? 1800 - (($date * 60) + $sec) : 3600 - (($date * 60) + $sec); //set diff to run split on the half hour.
$hld_diff = $diff;

这里发生的事情是

$date = date('i') //is taking the minutes portion of the current time
$sec = date('s') //is taking the seconds portion of the current time

下一行是说如果分钟数小于30，则将$ diff设置为1800秒（即30分钟）减去当前时间分和秒。换句话说 - 将$ diff值设置为当前时间将达到00分00秒的秒数。如果分钟数大于或等于30，则执行类似的操作，但将$ diff设置为分钟数和秒数，直到当前时间分和秒分别达到30和0。

因此，如果您想使用相同的代码，但希望将其设置为10分钟，首先您需要确定倒计时结束时钟的分钟数。为了简单起见，我们会说它将以0,10,20,30,40和50结束。

因此你可以这样做：

if($date < 10)
  $diff = 600 - (($date * 60) + $sec);
else if($date < 20)
  $diff = 1200 - (($date * 60) + $sec);
else if($date < 30)
  $diff = 1800 - (($date * 60) + $sec);
else if($date < 40)
  $diff = 2400 - (($date * 60) + $sec);
else if($date < 50)
  $diff = 3000 - (($date * 60) + $sec);
else
  $diff = 3600 - (($date * 60) + $sec);

这应该是你所需要的（除非我忽略了一些东西）

Answer 3

它是一个游戏的倒计时，我需要一个视觉倒计时，当现金或其他任何东西将被添加。

您通常不会使用“实际”倒计时来编写此脚本。逻辑很简单，可以以“非实时”方式编程。下次用户登录/刷新页面/执行某些操作时，您可以运行所需的所有计算，以便为用户提供自上次查看页面以来应该收到的金额。实际上，你不必在10分钟后给用户提供足够的资金。

对于此类游戏，您通常每分钟都会运行一个cron作业/守护程序，以这种方式重新计算所有用户的数量。视觉倒计时只是客户端的噱头。

倒计时10分钟，运行.php文件，然后重启

3 个答案: