我正在使用Spotfire中的文本区域来制作手风琴，以便过滤器，以便释放空间。我下面的代码将切换为打开和关闭面板，并且一次切换多个。但是，我只能打开和关闭每个面板一次，然后在编辑html并保存之前，它不允许我再次打开面板。
此外，我试图在面板打开时显示减号（-），并在再次关闭时变回加号。
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.accordion {
background-color: #eee;
color: #444;
cursor: pointer;
padding: 18px;
width: 100%;
border: none;
text-align: left;
outline: none;
font-size: 15px;
transition: 0.4s;
}
.active,
.accordion:hover {
background-color: #ccc;
}
.accordion:after {
content: '\002B';
color: #777;
font-weight: bold;
float: right;
margin-left: 5px;
}
.active:after {
content: "\2796";
}
.panel {
padding: 0 18px;
background-color: white;
max-height: 0;
overflow: hidden;
transition: max-height 0.2s ease-out;
}
</style>
</head>
<body>
<button class="accordion" style="font-size:medium" ;><b>Department Roles</b></button>
<div class="panel">
<p>
<SpotfireControl id="dca19548a0154f4582d1cc8c033f3ea6" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Studies with Critical Activities</b></button>
<div class="panel">
<p>
<SpotfireControl id="228b526015ad4266946b65cad0a5d2dd" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Study Status</b></button>
<div class="panel">
<p>
<SpotfireControl id="7a331814482e46bfb455f1cb06cdd569" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Site</b></button>
<div class="panel">
<p>
<SpotfireControl id="dec00d7ee27244dc8f803190d2684b94" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Outsourced</b></button>
<div class="panel">
<p>
<SpotfireControl id="44a7a79c5d1a497cb120ffe40b2a91cc" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Planned Start</b></button>
<div class="panel">
<p>
<SpotfireControl id="39f882ba6a8f47a4b4257eff761d93e3" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Actual Start</b></button>
<div class="panel">
<p>
<SpotfireControl id="f4fce188fc424d5cabc040b8eac977dd" />
</p>
</div>
<button class="accordion" style="font-size:medium" ;><b>Study Path</b></button>
<div class="panel">
<p>
<SpotfireControl id="c294b790054a4011aadaa89ee7ca36f1" />
</p>
</div>
<script>
var acc = document.getElementsByClassName("accordion");
var i;
for (i = 0; i < acc.length; i++) {
acc[i].addEventListener("click", function() {
this.classList.toggle("active");
var panel = this.nextElementSibling;
if (panel.style.maxHeight) {
panel.style.maxHeight = null;
} else {
panel.style.maxHeight = panel.scrollHeight + "px";
}
});
}
</script>
</body>
</html>您可能希望将JavaScript添加到文本区域的Js部分。
此外，如果启用了html卫生功能，则这些标签也将不起作用，并且必须在文本区域中使用J追加。