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图片模态框.html
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图片模态框.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>图片模态框</title>
<style>
#myImg {
border-radius: 5px;
cursor: pointer;
transition: 0.3s;
}
#myImg:hover {opacity: 0.7;}
/* The Modal (background) */
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
z-index: 1; /* Sit on top */
padding-top: 100px; /* Location of the box */
left: 0;
top: 0;
width: 100%; /* Full width */
height: 100%; /* Full height */
overflow: auto; /* Enable scroll if needed */
background-color: rgb(0,0,0); /* Fallback color */
background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
}
/* Modal Content (image) */
.modal-content {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
}
/* Caption of Modal Image */
#caption {
margin: auto;
display: block;
width: 80%;
max-width: 700px;
text-align: center;
color: #ccc;
padding: 10px 0;
height: 150px;
}
/* Add Animation */
.modal-content, #caption {
animation-name: zoom;
animation-duration: 0.6s;
}
@-webkit-keyframes zoom {
from {-webkit-transform: scale(0)}
to {-webkit-transform: scale(1)}
}
@keyframes zoom {
from {transform: scale(0.1)}
to {transform: scale(1)}
}
/* The Close Button */
.close {
position: absolute;
top: 15px;
right: 35px;
color: #f1f1f1;
font-size: 40px;
font-weight: bold;
transition: 0.3s;
}
.close:hover,
.close:focus {
color: #bbb;
text-decoration: none;
cursor: pointer;
transform: rotate(360deg);
}
/* 100% Image Width on Smaller Screens */
@media only screen and (max-width: 700px){
.modal-content {
width: 100%;
}
}
</style>
</head>
<body>
<h2>图片模态框</h2>
<img id="myImg" src="http://www.runoob.com/wp-content/uploads/2016/04/img_lights.jpg" alt="Northern Lights, Norway" width="300" height="200">
<!-- The Modal -->
<div id="myModal" class="modal">
<span class="close">×</span>
<img class="modal-content" id="img01">
<div id="caption"></div>
</div>
<script>
// 获取模态窗口
var modal = document.getElementById('myModal');
// 获取图片模态框，alt 属性作为图片弹出中文本描述
var img = document.getElementById('myImg');
var modalImg = document.getElementById("img01");
var captionText = document.getElementById("caption");
img.onclick = function(){
modal.style.display = "block";
modalImg.src = this.src;
modalImg.alt = this.alt;
captionText.innerHTML = this.alt;
}
// 获取 <span> 元素，设置关闭模态框按钮
var span = document.getElementsByClassName("close")[0];
// 点击 <span> 元素上的 (x), 关闭模态框
span.onclick = function() {
modal.style.display = "none";
}
</script>
</body>
</html>