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我不是很精通AJAX请求，但我在头有这样简单的脚本：Ajax请求超时曹景伟
function refresh_div() {
jQuery.ajax({
url:'progress.php?game=<?php echo $gamename; ?>',
type:'POST',
success:function(results) {
jQuery(".middle").html(results);
}
});
}
t = setInterval(refresh_div,1000);
，然后在progress.php文件我有不少mysql的请求我db，其目的是每秒用这个php数据刷新页面。这在大多数情况下都可以正常工作，但是我发现但是，无论何时我将这个脚本同时重复调用几次，我都会收到超时错误并且页面不会加载。这是一个基于浏览器的游戏，其中包括一个每秒钟倒计时的计时器，所以重要的是我发现每秒钟都会稳定执行php请求。
新增progress.php：
<?php
session_start();
$username = $_SESSION["username"];
$gamename = $_GET['game'];
require "../connections/games.php";
$newgamesql = "SELECT * FROM gamelist WHERE name = '$gamename'";
$newgamequery = mysql_query($newgamesql, $gamesdbhandle);
$newgamecount = mysql_num_rows($newgamequery);
$gamenamenospaces = str_replace(' ','_', $gamename);
$gamestatus = mysql_result($newgamequery, 0, 'status');
$numberofplayers = mysql_result($newgamequery, 0, 'numberofplayers');
$player1 = mysql_result($newgamequery, 0, 'player1');
$player2 = mysql_result($newgamequery, 0, 'player2');
$player3 = mysql_result($newgamequery, 0, 'player3');
$player4 = mysql_result($newgamequery, 0, 'player4');
$player5 = mysql_result($newgamequery, 0, 'player5');
$player6 = mysql_result($newgamequery, 0, 'player6');
$player7 = mysql_result($newgamequery, 0, 'player7');
$player8 = mysql_result($newgamequery, 0, 'player8');
$rounds = mysql_result($newgamequery, 0, 'rounds');
$currentround = mysql_result($newgamequery, 0, 'currentround');
$gametimestamp = mysql_result($newgamequery, 0, 'actualtime');
$headmaster = mysql_result($newgamequery, 0, 'headmaster');
$roundtime = mysql_result($newgamequery, 0, 'time');
$activeplayers = mysql_result($newgamequery, 0, 'activeplayers');
$numberofplayers = mysql_result($newgamequery, 0, 'numberofplayers');
$roundtimeproper = strtotime("H:i:s" , $roundtime);
//Round time conversion goes here:
//The specific table query for the individual rounds
$thegamesql = "SELECT * FROM `$gamenamenospaces` WHERE id='$currentround' LIMIT 1";
$thegamequery = mysql_query($thegamesql, $gamesdbhandle);
$echocurrentround = mysql_num_rows($thegamequery) + 1;
$thisroundplayer1 = mysql_result($thegamequery, 0, "player1card");
$thisroundplayer2 = mysql_result($thegamequery, 0, "player2card");
$thisroundplayer3 = mysql_result($thegamequery, 0, "player3card");
$thisroundplayer4 = mysql_result($thegamequery, 0, "player4card");
$thisroundplayer5 = mysql_result($thegamequery, 0, "player5card");
$thisroundplayer6 = mysql_result($thegamequery, 0, "player6card");
$thisroundplayer7 = mysql_result($thegamequery, 0, "player7card");
$thisroundplayer8 = mysql_result($thegamequery, 0, "player8card");
$thisroundwhitecard = mysql_result($thegamequery, 0, "whitecard");
$thisroundwhitecard = str_replace("_", "_____", $thisroundwhitecard);
$thisroundtime = mysql_result($thegamequery, 0, "timestamp");
$now = new DateTime();
$target = DateTime::createFromFormat('H:i:s', $gametimestamp);
$difference = $now->diff($target);
$difference = $difference->format("%I:%S");
//Display the timer
echo '<div id="timer">';
echo 'TIME:';
echo '<br />';
echo $difference;
echo '</div>';
//echo $timer;
//State which round
echo '<div id="toptitle">';
echo $gamename;
echo ' - ';
echo 'Round ';
echo $currentround;
echo '</div>';
if ($gamestatus == 'active') {
//Game is live, display things
echo '<div id="placeholderplaceholder">';
//The card submit bar
if (!empty($player1)) {
if (!empty($player1card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P1';
echo '</div>';
}
if (!empty($player2)) {
if (!empty($player2card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P2';
echo '</div>';
}
if (!empty($player3)) {
if (!empty($player3card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P3';
echo '</div>';
}
if (!empty($player4)) {
if (!empty($player4card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P4';
echo '</div>';
}
if (!empty($player5)) {
if (!empty($player5card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P5';
echo '</div>';
}
if (!empty($player6)) {
if (!empty($player6card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P6';
echo '</div>';
}
if (!empty($player7)) {
if (!empty($player7card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P7';
echo '</div>';
}
if (!empty($player8)) {
if (!empty($player8card)) {
echo '<div class="blackcardplaceholderplaced">';
}else{
echo '<div class="blackcardplaceholder">';
}
echo 'P8';
echo '</div>';
}
echo '</div>';
if ($headmaster == $username) {
//You are the headmaster, show the judge view
echo '<br />Your turn to <div id="headmaster">Judge</div><br /><br />';
if(!empty($thisroundwhitecard)) {
echo '<div class="bigwhitecard">';
echo $thisroundwhitecard;
echo '</div>';
}
}else{
//You are not the headmaster, show the player view
//Randomly generate 5 cards
require '../dbauth/cards.inc.php';
$cardsdbhandle = mysql_connect(
$cardshostname,
$cardsusername,
$cardspassword
) or die("INVALID USERNAME OR PASSWORD");
$cardsselected = mysql_select_db($cardsdbname, $cardsdbhandle);
$newblackcardsql = "SELECT * FROM black LIMIT 5";
$newblackcardquery = mysql_query($newblackcardsql, $cardsdbhandle);
$newblackcardcount = mysql_num_rows($newblackcardquery);
$c = 0;
if ($newblackcardcount > 0) {
echo '<div class="blackcardscroller">';
echo '<div class="blackcardscrollerinner">';
while ($c < $newblackcardcount) {
$blackcardid = mysql_result($newblackcardquery, $c, "id");
$blackcardtext = mysql_result($newblackcardquery, $c, "text");
echo '<div class="gameblackcard">';
echo $blackcardtext;
echo '<div class="blackcardbtn" id="';
echo $blackcardid;
echo '">PICK CARD</div>';
echo '</div>';
$c++;
}
echo '</div>';
echo '</div>';
}else{
//There are no black cards
echo 'There are no black cards to pick from! Something went wrong...';
}
echo '<br />Judge: <br />';
echo '<div id="headmaster">';
echo $headmaster;
echo '</div>';
if(!empty($thisroundwhitecard)) {
echo '<div class="bigwhitecard">';
echo $thisroundwhitecard;
echo '</div>';
}
}
}
?>
。显示的代码中没有任何内容会导致这种情况。尽管每秒钟提出请求*当然不是最好的主意。您可能需要查看Web套接字以将实时数据从服务器发送到客户端。 – David
你能告诉我们服务器端代码吗？ – Yolo
你从'php'中得到任何错误吗？请将它们添加到您的问题。 – ventiseis