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php - 每 x 秒自动刷新一个 Html 表

转载 作者:行者123 更新时间:2023-11-28 13:40:14 24 4
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我正在尝试刷新我拥有的表,因为其中的变量不断更新,并且我想每隔几秒重新更新这些变量。我已经通过给表一个 id 并为其创建一个 div 来完成代码。该代码将解释我实际上是什么。提前致谢 ! 已编辑:添加了 Var 表和 Var 刷新器。但是代码仍然不会重新加载我的表格!有什么想法吗?

测试.php

       <html>
<head>
<script type='text/javascript'>
var table = $('#tableID');

// refresh every 5 seconds
var refresher = setInterval(function() {
table.load("1103242B/processing/js.php");
}, 5000);

setTimeout(function() {
clearTimeout(refresher);
}, 1800000);
</script>
</head>
<body>
<?php include_once'js.php'; ?>

</body>
</html>

JS.php

<?php
require_once 'connect.php';
include 'start.php';
include 'functions.php';
header("Cache-Control: no-cache,no-store");

$query = "SELECT * FROM opentrades"; //You don't need a ; like you do in SQL
$result = mysql_query($query);
echo "<table border = '1px' id='tableID'>"; // start a table tag in the HTML
echo "<tr><td>" . "Order Number" . "</td><td>" . "Selection" . "</td><td>" . "Date" . "</td><td>" . "Type" . "</td><td>" . "Size" . "</td><td>" . "Bid Price" . "</td><td>" . "Offer Price" . "</td><td>" ."Stop Loss" . "</td><td>" . "Take Profit" . "</td><td>" ."Profit/Loss(USD)"."</td><td>" ."Close"."</td></tr>" ; //$row['index'] the index here is a field name

while($row = mysql_fetch_assoc($result)){ //Creates a loop to loop through results
if ($row['selection']=='eur/usd')// TO RETRIEVE BID AND OFFER FOR EACH ROW
{
$bidpricepl=$bid;

$offerpricepl=$bid1;

}
elseif ($row['selection']=='usd/jpy')
{
$bidpricepl=$bid2;

$offerpricepl=$bid3;

}
elseif ($row['selection']=='usd/cad')
{
$bidpricepl=$bid4;

$offerpricepl=$bid5;

}
elseif ($row['selection']=='eur/jpy')
{
$bidpricepl=$bid6;

$offerpricepl=$bid7;

}
elseif ($row['selection']=='eur/chf')
{
$bidpricepl=$bid8;

$offerpricepl=$bid9;

}
elseif ($row['selection']=='gbp/usd')
{
$bidpricepl=$bid10;

$offerpricepl=$bid11;

}
elseif ($row['selection']=='aud/usd')
{
$bidpricepl=$bid12;

$offerpricepl=$bid13;

}
elseif ($row['selection']=='usd/chf')
{
$bidpricepl=$bid14;

$offerpricepl=$bid15;

}
if ($row['type']=="buy")
{

$minipipskiller='10';
$offeropen=$row['offerprice'];
$pips=$offerpricepl-$offeropen;
$closedb=$offeropen;
$pips1=round($pips, 6);
$pips2 = str_replace('.', '', $pips1);
if ($pips2<0)
{
$pips2 = str_replace('-', '', $pips2);
$pips2 = ltrim($pips2, '0');
$pips2 = -1 * abs($pips2);
}
else {
$pips2 = ltrim($pips2, '0');
}
$pips3=$pips2/$minipipskiller;
}// PIP COUNTING
elseif ($row['type']=="sell")//FOR PIP COUNTING
{

$minipipskiller='10';
$bidopen=$row['bidprice'];
$pips=$bidopen-$bidpricepl;
$closedb=$bidopen;
$pips1=round($pips, 6);
$pips2 = str_replace('.', '', $pips1);
if ($pips2<0)
{
$pips2 = str_replace('-', '', $pips2);
$pips2 = ltrim($pips2, '0');
$pips2 = -1 * abs($pips2);
}
else {
$pips2 = ltrim($pips2, '0');
}
$pips3=$pips2/$minipipskiller;
}



$ticksize= "0.0001";// FOR PROFIT AND LOSS
$lot1 = "100000";
$sizecalc=$row['size'] * $lot1;

if ($row['type']=="buy")
{
$profitandloss=$sizecalc*$ticksize*$pips3; //per TRADE
}
if ($row['type']=="sell")
{
$profitandloss=$sizecalc*$ticksize*$pips3; //per TRADE
}

$zero= '0';

if($profitandloss<$zero) {
$profitText = "<div style=\"color: red;\">$profitandloss</div>";
} elseif ($profitandloss>$zero) {
$profitText = "<div style=\"color: green;\">$profitandloss</div>";
}


$sum+= $profitandloss;


echo "<tr><td>" . $row['trade_id'] .
"</td><td>" . $row['selection'] .
"</td><td>" . $row['date'] .
"</td><td>" . $row['type'] .
"</td><td>" . $row['size'] .
"</td><td>" . $row['bidprice'] .
"</td><td>" . $row['offerprice'] .
"</td><td>" . $row['stoploss'] .
"</td><td>" . $row['takeprofit'] .
"</td><td>" . $profitText .
"</td><td><a href ='delete.php?id=".
$row['trade_id']."'>X</a>
</td></tr>";
$profitandloss=0;

if($sum<$zero) {
$sumText = "<div style=\"color: red;\">$sum</div>";
} elseif ($sum>$zero) {
$sumText = "<div style=\"color: green;\">$sum</div>";
}
}

echo "</table><br>";



?>

最佳答案

我认为setIntervaljQuery.load就是您要找的人

var table = $("#tableID");

// refresh every 5 seconds
var refresher = setInterval(function() {
table.load("/path/to/js.php");
}, 5000);

或者缩短它

var refresher = setInterval(table.load.bind(table, "/path/to/data"), 5000);

如果您想停止刷新数据,(例如)假设用户长时间打开页面

// stop refreshing after 30 minutes
setTimeout(function() {
clearTimeout(refresher);
}, 1800000);
<小时/>

如果您的数据加载需要一段时间,您可能只想在数据加载后刷新 X 秒。您可以使用 setTimeout 来做到这一点

var table = $("#tableID");

var refresh = function() {
table.load("/path/to/js.php", function() {
setTimeout(refresh, 5000);
});
};

refresh();

关于php - 每 x 秒自动刷新一个 Html 表,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18320234/

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