[英]javascript (document.getelementbyid) in an echo not working (probably wrong usage of quotes)
我正在运行一会儿(php),它会在onclick时打开行,从而建立行。 但我无法在回显中正确获取javascript。
我在互联网上读了很多书,但没有一个人像我一样使用过多的引号。
比以前多一些细节。 有一个名为“ nuujts”的数据库,其中包含一个“ id”,“ titel”,“ subtitel”,“ inhoud”(内容),“ aafbeelding”(服务器上的html img src =)
underneight是一个硬编码版本的示例,现在需要从mysql服务器中提取该版本
document.getElementByID应该为$ row ['id']
<li onclick="document.getElementById('2').style.display='block'" class="w3-border">
<a href="#">
<div class="w3-row">
<img src="images/tumbnail.png" class="w3-image w3-third">
<div class="w3-twothird"><h6>Leever Bontje Middig</h6>Bòntje middig geörganiseerd door V.V. De Tuinhagedisse</br></br>Laes verder -></div>
</div>
</a>
</li>
<div id="2" class="w3-modal">
<div class="w3-modal-content w3-text-black w3-animate-zoom">
<header class="w3-container w3-text-white" style="background-color: #005415;">
<span onclick="document.getElementById('2').style.display='none'" class="w3-button w3-xlarge w3-hover-red w3-display-topright" title="Sjloete">×</span>
<h2>Leever Bòntje Middig</h2>
</header>
<p>Bòntje middig geörganiseerd door vv de Tuinhagedisse</p>
Bòntje middig geörganiseerd door vv de Tuinhagedisse veur miense oet Leeve én omsjtreke!</br>
Mit o.a. optraejes van Toeter Thijs en Pyure.</br>
De middig begint om 14.00 oer (zaal aope vanaaf 13.30 oer).</br>
<p>Ein kaertje kost €5,00, daoveur krieg geer entree & koffie mit vlaai.</p>
<p>Sjpisjaal veur de miense die van boete Leeve komme, is dur GRATIS verveur geregeld. Opsjtapplaatse: de Donderie en 't Paradies.</p>
Kaertjes kinne besjteld waere via:</br>
julia.orval@gmail.com óf jmhn@xs4all.nl</br>
Gaef naam, adres, tillefoonnummer en 't aantal luuj door véúr 27 fibberwarie. VOL=VOL</br>
Wilt geer meer informatie hubbe? Gebroek dan baovesjtaonde mailadressen of bel nao 06-16353489.
</div>
</div>
<?php
$sql = "SELECT * FROM nuujts";
$result = $conn->query($sql);
if ($result->num_rows > 0 ) {
while ($row = $result->fetch_assoc()) {
echo "<li onclick='document.getElementById(".$row['id'].").style.display'block'' class='w3-border'>";
echo "<a href='#'>";
echo "<div class='w3-row'>";
echo $row['aafbeelding'];
echo "<div class='w3-twothird'><h6>".$row["titel"]."</h6>".$row["subtitel"]."</br></br>Laes verder -></div>";
echo "</div>";
echo "</a>";
echo "</li>";
echo "<div id='".$row["id"]."' class='w3-modal'>";
echo "<div class='w3-modal-content w3-text-black w3-animate-zoom'>";
echo "<header class='w3-container w3-text-white' style='background-color: #005415'>";
echo "<span onclick='document.getElementById(".$row['id'].").style.display='none'' class='w3-button w3-xlarge w3-hover-red w3-display-topright' title='Sjloete'>×</span>";
echo "<h2>".$row["titel"]."</h2>";
echo "</header>";
echo "<p>".$row["subtitel"]."</p>";
echo $row["inhoud"];
echo "</div>";
echo "</div>";
}
}
?>
什么都没有发生,但应该打开模态。 我相信问题在于报价,但我无法正确使用报价
您总是可以简化您的PHP,而不是嵌入javascript,而是依靠PHP之外的javascript。
首先,取代的onclick,输出ID到的数据属性id
和添加一个附加的类。 然后使用javascript添加点击事件处理程序。
echo "<li data-id='{$row['id']}' class='show-modal w3-border'>";
echo "<span data-id='{$row['id']}' class='hide-modal w3-button w3-xlarge w3-hover-red w3-display-topright' title='Sjloete'>×</span>";
var objs = document.getElementsByClassName('show-modal');
for(var i = 0; i < objs.length; i++) {
(function(index) {
objs[index].addEventListener("click", function() {
document.getElementById(this.dataset.id).style.display = 'block';
})
})(i);
}
var objs = document.getElementsByClassName('hide-modal');
for(var i = 0; i < objs.length; i++) {
(function(index) {
objs[index].addEventListener("click", function() {
document.getElementById(this.dataset.id).style.display = 'none';
})
})(i);
}
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