我一直在嘗試使用setTimeout,但沒有成功。我用setInterval,它似乎像一個魅力。
代碼如下:
function waitForMsg(){
$.ajax({
url: "tictac_code1.php",
type: 'POST',
data: 'longpoll=1',
async: true, /* If set to non-async, browser shows page as "Loading.."*/
cache: false,
timeout:10000, /* Timeout in ms */
success: function(data){ /* called when request to barge.php completes */
$('#loggedinnames').empty();
$('#loggedinnames').append(data);
setInterval(waitForMsg, 10000);
//setTimeout(
// 'waitForMsg()', /* Request next message */
// 1000 /* ..after 1 seconds */
//);
},
error: function(XMLHttpRequest, textStatus, errorThrown){
//alert("error in waitformsg.");
addmsg("error", textStatus + " (" + errorThrown + ")");
setInterval(waitForMsg, 10000);
//setTimeout(
// 'waitForMsg()', /* Try again after.. */
// "15000"); /* milliseconds (15seconds) */
}
});
};
$(document).ready(function(){
waitForMsg(); /* Start the inital request */
});
這個! http://stackoverflow.com/questions/333664/simple-long-polling-example-code – jeremy 2011-04-18 22:57:15