Ajax Get Server current time
------------------------------Webservice1.asmx----------------------------------
Copy Code code as follows:
To allow the use of ASP.net AJAX to invoke this Web service from a script, uncomment the downlink.
[System.Web.Script.Services.ScriptService]
public class WebService1:System.Web.Services.WebService
{
[WebMethod]
public string HelloWorld ()
{
Return to "Hello World";
}
[WebMethod]
public string GetDate ()
{
Return DateTime.Now.ToString ("Yyyy-mm-dd hh:mm:ss");
}
}
------------------------------------htmlpage1.htm---------------------------------------
Copy Code code as follows:
<title></title>
<script src= "Js/jquery1.7.js" type= "Text/javascript" ></script>
<script type= "Text/javascript" >
$ (function () {
function GetDate () {
$.ajax ({
Type: "POST",//How the client takes the request when sending it to the server
ContentType: "Application/json",//Specifies the type of content that the client sends to the server and the type that the server returns to the client content in JSON format
URL: "Webservice1.asmx/getdate",//indicates to which page the client is going to send the request
Data: "{}",//Specify parameters to be passed to the server with the sent request
Success:function (Result) {////The callback function executed after the client invokes the server-side method successfully.
$ (' #mydiv '). Text (RESULT.D);
}
})
}
SetInterval (GetDate, 1000);
})
</script>
<body>
<div id= "Mydiv" ></div>
<input id= "Button1" type= "button" value= "Get server Time"/>
</body>
Ajax Get server time
Copy Code code as follows:
<script language= "javascript" type= "Text/javascript" >
The time is not very accurate due to the execution of the program, the error is less than 2000 milliseconds
var xmlHttp = false;
Get server time
try {
XmlHttp = new ActiveXObject ("Msxml2.xmlhttp");
catch (e) {
try {
XmlHttp = new ActiveXObject ("Microsoft.XMLHTTP");
} catch (E2) {
XmlHttp = false;
}
}
if (!xmlhttp && typeof xmlhttprequest!= ' undefined ') {
XmlHttp = new XMLHttpRequest ();
}
Xmlhttp.open ("Get", "http://www.time.ac.cn", false);
Xmlhttp.setrequestheader ("Range", "bytes=-1");
Xmlhttp.send (NULL);
Severtime=new Date (Xmlhttp.getresponseheader ("date"));
Get Server Date
var year=severtime.getfullyear ();
var month=severtime.getmonth () +1;
var date=severtime.getdate ();
Get server time
var hour=severtime.gethours ();
var minu=severtime.getminutes ();
var seco=severtime.getseconds ();
Format Output Server time
function Getsevertime () {
seco++;
if (seco==60) {
Minu+=1;
seco=0;
}
if (minu==60) {
Hour+=1;
minu=0;
}
if (hour==24) {
Date+=1;
hour=0;
}
Date processing
if (month==1| | month==3| | month==5| | Month==7
|| month==8| |month==10| | MONTH==12)
{
if (date==32)
{
date=1;
Month+=1;
}
}else if (month==4| | month==6| | month==9| | month==11) {
if (date==31) {
date=1;
Month+=1;
}
}else if (month==2) {
if (year%4==0&&year%100!=0) {//Leap year processing
if (date==29) {
date=1;
Month+=1;
}
}else{
if (date==28) {
date=1;
Month+=1;
}
}
}
if (month==13) {
Year+=1;
month=1;
}
Sseco=addzero (SECO);
Sminu=addzero (Minu);
Shour=addzero (hour);
Sdate=addzero (date);
Smonth=addzero (month);
Syear=year;
Innerdata= "Current server time:";
document.getElementById ("Servertime"). innerhtml=innerdata+syear+ "-+smonth+"-"+sdate+" "+shour+": "+sminu+": "+ Sseco;
SetTimeout ("Getsevertime ()", 1000);
SetTimeout ("Getclienttime ()", 100);
}
function Addzero (num) {
Num=math.floor (num);
return ((num <= 9)? ("0" + num): num);
}
</script>
Copy Code code as follows:
<body onload= "Getsevertime ();" >
<p id= "Servertime" ></p>
<p id= "Clienttime" ></p>
<p id= "Xctime" ></p >
</body>
