嗨,大家好!
我正在编写Asp.Net MVC 2网站。
我在TimeView页面上有TimeController和TimeView,CountDownHelper来呈现时间。
另外,我还有更新CountDownHelper中使用的当前时间的JavaScript。
我需要从此JavaScript调用AJAX,以获取服务器上的当前时间。
我该怎么做?请帮我!我必须完成大约几个小时!
在下面,您可能会看到此javaScript,最后我尝试调用AJAX。我试图以多种方式编写GetServerTime.html,但是任何人都无法使用。 (((
//countDown.js
function calcage(secs, num1, num2)
{
s = ((Math.floor(secs / num1)) % num2).toString();
if (LeadingZero && s.length < 2)
s = "0" + s;
return "<b>" + s + "</b>";
}
function CountBack(secs)
{
if (secs < 0)
{
location.reload(true);
document.getElementById("cntdwn").innerHTML = FinishMessage;
return;
}
//difference between recieve time and current client time
diff = new Date(new Date() - clientTime);
targetD = new Date(TargetDate);
serverD = new Date(serverDate);
currentServerDate = new Date(serverD.getTime() + diff.getTime());
//targetD
leftD = new Date(targetD.getTime() - currentServerDate.getTime());
secs = leftD.getTime() / 1000;
DisplayStr = DisplayFormat.replace(/%%D%%/g, calcage(secs, 86400, 100000));
DisplayStr = DisplayStr.replace(/%%H%%/g, calcage(secs, 3600, 24));
DisplayStr = DisplayStr.replace(/%%M%%/g, calcage(secs, 60, 60));
DisplayStr = DisplayStr.replace(/%%S%%/g, calcage(secs, 1, 60));
document.getElementById("cntdwn").innerHTML = DisplayStr;
if (CountActive)
setTimeout("CountBack(" + (secs + CountStepper) + ")", SetTimeOutPeriod);
}
function putspan(backcolor, forecolor)
{
document.write("<span id='cntdwn' style='background-color:" + backcolor +
"; color:" + forecolor + "'></span>");
}
if (typeof (BackColor) == "undefined")
BackColor = "white";
if (typeof (ForeColor) == "undefined")
ForeColor = "black";
if (typeof (TargetDate) == "undefined")
TargetDate = "12/31/2020 5:00 AM";
if (typeof (serverDate) == "undefined")
serverDate = "12/31/2020 5:00 AM";
if (typeof (DisplayFormat) == "undefined")
DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
if (typeof (CountActive) == "undefined")
CountActive = true;
if (typeof (FinishMessage) == "undefined")
FinishMessage = "";
if (typeof (CountStepper) != "number")
CountStepper = -1;
if (typeof (LeadingZero) == "undefined")
LeadingZero = true;
CountStepper = Math.ceil(CountStepper);
if (CountStepper == 0)
CountActive = false;
var SetTimeOutPeriod = (Math.abs(CountStepper) - 1) * 1000 + 990;
putspan(BackColor, ForeColor);
var dthen = new Date(TargetDate);
var dtServ = new Date(serverDate);
var dnow = new Date();
if (CountStepper > 0)
ddiff = new Date(dnow - dthen);
else
ddiff = new Date(dthen - dtServ);
//ddiff = new Date(TargetDate - serverDate);
//ddiff = new Date(dthen - dnow);
gsecs = Math.floor(ddiff.valueOf() / 1000);
CountBack(gsecs);
alert("Start");
alert(serverDate);
//AJAX CALL ????
//How to call async JavaScript?
//Which must be GetServerTime.html
$.get('Views/GetServerTime.html', function(data) {
serverDate = data;
clientTime = new Date();
});
alert(serverDate);**
最佳答案
通常,您不会直接访问视图。该视图通常是一个.ASPX文件。
所以
$.get('Views/GetServerTime.html',...
成为
$.get('/GetServerTime/',...
对于Views / GetServerTime / Index.aspx视图和具有默认Action索引的getserverTimeController.cs控制器。
但我想这不是您唯一的问题吗?...
编辑
另外,您可能应该为此使用JSON。您可以使用System.Web.Mvc.JsonResult自动发送结果,因为JSON和jQuery会处理该JSON并将其转换为javascript对象。
$.get('/GetServerTime/',
function (data)
{
if (data.HasError == false)
{
$("#resultDiv").html(data.ServerTime);
}
}, "json");
您的MVC动作如下所示...
public JsonResult Index(string id)
{
JsonResult res = new JsonResult();
res.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
res.Data = new { ServerTime = DateTime.Now(), HasError = false };
return res;
}
以上是近似值,因为我没有编译器。
关于javascript - AJAX,JavaScript,ASP.Net MVC问题,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/3851638/