Div居中弹出层_button 单击弹出显示在中间最上层div-优快云博客

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Div居中弹出层</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
font-family: 'Arial', sans-serif;
height: 100vh;
background-color: #f5f5f5;
display: flex;
justify-content: center;
align-items: center;
}

.trigger-button {
padding: 12px 24px;
background: linear-gradient(to right, #4776E6, #8E54E9);
color: white;
border: none;
border-radius: 30px;
font-size: 16px;
cursor: pointer;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
transition: all 0.3s ease;
}

.trigger-button:hover {
transform: translateY(-2px);
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.trigger-button:active {
transform: translateY(1px);
}

.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.6);
display: flex;
justify-content: center;
align-items: center;
z-index: 1000;
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
}

.modal-overlay.active {
opacity: 1;
visibility: visible;
}

.modal-container {
background-color: white;
border-radius: 10px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
width: 90%;
max-width: 500px;
transform: translateY(20px);
transition: all 0.3s ease;
}

.modal-overlay.active .modal-container {
transform: translateY(0);
}

.modal-header {
padding: 20px;
border-bottom: 1px solid #eee;
display: flex;
justify-content: space-between;
align-items: center;
}

.modal-title {
font-size: 20px;
font-weight: bold;
color: #333;
}

.close-button {
background: none;
border: none;
font-size: 24px;
cursor: pointer;
color: #888;
transition: color 0.2s;
}

.close-button:hover {
color: #333;
}

.modal-content {
padding: 20px;
line-height: 1.6;
color: #555;
}

.modal-footer {
padding: 15px 20px;
border-top: 1px solid #eee;
display: flex;
justify-content: flex-end;
}

.modal-footer button {
padding: 8px 16px;
margin-left: 10px;
border-radius: 4px;
cursor: pointer;
transition: all 0.2s;
}

.confirm-button {
background: linear-gradient(to right, #4776E6, #8E54E9);
color: white;
border: none;
}

.confirm-button:hover {
opacity: 0.9;
}

.cancel-button {
background: #f0f0f0;
border: 1px solid #ddd;
color: #555;
}

.cancel-button:hover {
background: #e6e6e6;
}

.website-link {
display: block;
text-align: center;
margin-top: 30px;
color: #666;
text-decoration: none;
font-size: 14px;
transition: color 0.2s;
}

.website-link:hover {
color: #8E54E9;
text-decoration: underline;
}
</style>
</head>
<body>
<button class="trigger-button" id="openModal">打开弹出层</button>

<div class="modal-overlay" id="modalOverlay">
<div class="modal-container">
<div class="modal-header">
<h3 class="modal-title">提示信息</h3>
<button class="close-button" id="closeModal">×</button>
</div>
<div class="modal-content">
<p>这是一个居中显示的弹出层，点击关闭按钮或外部遮罩可以关闭它。</p>
<p>弹出层具有平滑的动画效果，包括淡入淡出和轻微的上移动画。</p>

</div>
<div class="modal-footer">
<button class="cancel-button" id="cancelButton">取消</button>
<button class="confirm-button" id="confirmButton">确定</button>
</div>
</div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
const openModalBtn = document.getElementById('openModal');
const closeModalBtn = document.getElementById('closeModal');
const cancelBtn = document.getElementById('cancelButton');
const confirmBtn = document.getElementById('confirmButton');
const modalOverlay = document.getElementById('modalOverlay');

// 打开弹出层
openModalBtn.addEventListener('click', function() {
modalOverlay.classList.add('active');
document.body.style.overflow = 'hidden'; // 防止背景滚动
});

// 关闭弹出层
function closeModal() {
modalOverlay.classList.remove('active');
document.body.style.overflow = 'auto'; // 恢复滚动
}

closeModalBtn.addEventListener('click', closeModal);
cancelBtn.addEventListener('click', closeModal);

// 点击遮罩层关闭
modalOverlay.addEventListener('click', function(e) {
if (e.target === modalOverlay) {
closeModal();
}
});

// 确定按钮
confirmBtn.addEventListener('click', function() {
alert('您点击了确定按钮');
closeModal();
});

// ESC键关闭
document.addEventListener('keydown', function(e) {
if (e.key === 'Escape' && modalOverlay.classList.contains('active')) {
closeModal();
}
});
});
</script>
</body>
</html>