jQuery下拉菜单选择器

原创已于 2025-05-06 17:29:59 修改 · 401 阅读

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于 2025-05-06 15:44:29 首次发布

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>jQuery下拉菜单选择器</title>
<style>
body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
.dropdown-container {
margin: 30px 0;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-btn {
background-color: #4CAF50;
color: white;
padding: 12px;
font-size: 16px;
border: none;
cursor: pointer;
min-width: 200px;
text-align: left;
border-radius: 4px;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 200px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
border-radius: 4px;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {
background-color: #f1f1f1;
}
.dropdown:hover .dropdown-content {
display: block;
}
.dropdown:hover .dropdown-btn {
background-color: #3e8e41;
}
.selected-item {
margin-top: 20px;
padding: 10px;
background-color: #f0f0f0;
border-radius: 4px;
}
.footer {
margin-top: 50px;
text-align: center;
color: #666;
}
</style>
</head>
<body>
<h1>jQuery下拉菜单选择器</h1>

<div class="dropdown-container">
<div class="dropdown">
<button class="dropdown-btn">选择一个选项</button>
<div class="dropdown-content">
<a href="#" data-value="option1">选项一</a>
<a href="#" data-value="option2">选项二</a>
<a href="#" data-value="option3">选项三</a>
<a href="#" data-value="option4">选项四</a>
</div>
</div>

<div class="selected-item">
当前选择: <span id="selected-value">未选择</span>
</div>
</div>