![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Correction status：Uncorrected
Teacher's comments：
Collection
Collection
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>动态相册管理器</title>
<style>
.warp {
width: 360px;
height: auto;
background-color: linen;
border: 3px double grey;
color: #363636;
border-radius: 2%;
box-shadow: 2px 2px 2px #888;
}
.warp .header {
padding: 15px;
}
.warp .header h2 {
text-align: center;
}
.add {
width: 100px;
height: 30px;
border: none;
cursor: pointer;
background-color: deepskyblue;
color: white;
}
.add:hover {
background-color: orange;
font-size: 1.1rem;
}
.main {
overflow: hidden;
}
.main ul {
padding: 0;
margin: 0;
}
.main ul li {
list-style-type: none;
float: left;
margin-left: 20px;
margin-bottom: 10px;
width: 150px;
height: 200px;
text-align: center;
}
.main ul li button {
margin: 3px;
border: none;
border-radius: 5%;
background-color: deepskyblue;
}
.main ul li button:hover {
background-color: orange;
color: white;
cursor: pointer;
}
</style>
</head>
<body>
<div class="warp">
<div class="header">
<h2>私人相册</h2>
<p>
<label for="img_url">输入图片地址</label>
<input type="file" name="img_url" id="img_url" placeholder="图片地址">
</p>
<p>
图片类型:
<input type="radio" id="rect" name="border" value="0" checked><label for="rect">直角</label>
<input type="radio" id="radius" name="border" value="10%"><label for="radius">圆角</label>
<input type="radio" id="circle" name="border" value="50%"><label for="circle">圆形</label>
</p>
<p>
<label for="shadow">是否添加阴影:</label>
<select name="shadow" id="shadow">
<option value="0" selected>不添加</option>
<option value="1">添加</option>
</select>
</p>
<p><button class="add">添加图片</button></p>
</div>
<div class="main">
<ul>
<!-- <li>-->
<!-- <img src="http://html.io/0521/static/images/2.jpg" alt="" width="150">-->
<!-- <button>前移</button>-->
<!-- <button>后移</button>-->
<!-- <button>删除</button>-->
<!-- </li>-->
</ul>
</div>
</div>
<script src="static/js/jquery-3.4.1.js"></script>
<script>
$('.add').on('click',function(){
//1.获取图片
var img_url = $('#img_url').val();
if (img_url.trim().length === 0) {
alert('请先选择一张图片!');
$('#img_url').focus();
return false;
}
//2.获取图片外观设定
var img_type = $('input[type="radio"]:checked').val();
//是否添加阴影
var shadow = 'none';
if ($(':selected').val() === '1') {
shadow = '2px 2px 2px #888';
}
// console.log(img_url);
//
// console.log(img_url.split('\\'));
//图片路径
// img_url 是一个图片的本地化的地址, 不能直接使用,需要进行转换
// split(): 将一个字符串,按指定字符,切割成数组
var realImgUrl = img_url.split('\\')[2];
// console.log(realImgUrl);
img_url = 'http://html.io/0521/static/images/'+realImgUrl;
// console.log(img_url);
//创建图片与按钮,并打包到一个容器中,添加到页面列中
var img = $('<img>')
.attr({
src : img_url,
width : 150,
height : 150,
alt: '明星相册'
})
.css({
'border-radius': img_type,
'box-shadow': shadow
});
//创建三个按钮 前移,后移,删除
var before = $('<button></button>').text('前移');
var after = $('<button></button>').text('后移');
var remove = $('<button></button>').text('删除');
//创建一个li用来放所有内容
var contaier = $('<li>');
contaier.append(img,before,after,remove);
contaier.appendTo('ul');
//三按钮功能
//前移
before.on('click',function(){
var current =$(this).parent();
var prev =current.prev();
prev.before(current);
});
//后退
after.on('click',function(){
var current =$(this).parent();
var next =current.next();
next.after(current);
});
//删除
remove.on('click',function() {
if (confirm("确认删除吗?")) {
$(this).parent().remove();
}
return false;
})
})
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例