Collection
Collection
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>在线相册管理</title>
<link rel="stylesheet" type="text/css" href="css/photo.css">
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$('#add').on('click',function(){
//1.有效性验证
var img_url = $('#img_url').val()
if (img_url.length == 0) {
alert('请设置图片！')
$('#img_url').focus()
return false
}
//2.获取图片样式
var img_border = $(':radio:checked').val()
//3.阴影
var shadow = 'none'
if ($(':selected').val() == 1) {
shadow = '3px 3px 3px #888'
}
//创建图片
var img = $('<img>')
.prop('src',img_url)
.width(150)
.height(150)
.css({'border-radius':img_border,'box-shadow':shadow})
//创建按钮
var btnPre = $('<button>').text('前移')
var btnNext = $('<button>').text('后移')
var btnDel = $('<button>').text('删除')
var li = $('<li>').append(img,btnPre,btnNext,btnDel)
li.appendTo('ul')
//添加事件
btnPre.click(function(){
$(this).parent().prev().before($(this).parent())
})
btnNext.click(function(){
$(this).parent().next().after($(this).parent())
})
btnDel.click(function(){
$(this).parent().remove()
})
})
})
</script>
</head>
<body>
<div class="box">
<div class="info">
<h2>在线相册管理</h2>
<p>
<label for="img_url">请输入图片地址:</label>
<input type="text" id="img_url" placeholder="images/demo.jpg">
</p>
<p>请选择图片样式:
<input type="radio" name="border" id="b1" value="0" checked><label for="b1">直角</label>
<input type="radio" name="border" id="b2" value="10%"><label for="b2">圆角</label>
<input type="radio" name="border" id="b3" value="50%"><label for="b3">圆形</label>
</p>
<p>图片是否添加阴影:
<select name="shadow">
<option value="0" selected>不添加</option>
<option value="1">添加</option>
</select>
</p>
<p><button id="add">添加图片</button></p>
</div>
<div class="photo">
<ul></ul>
</div>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>登录</title>
</head>
<body>
<form action="api/login.php" method="post">
<fieldset>
<legend>用户登录</legend>
<p>
<label>邮箱:</label>
<input type="email" name="email" id="email">
</p>
<p>
<label>密码:</label>
<input type="password" name="pw" id="pw">
</p>
<p>
<button>登录</button>
<span id="tips" style="font-size:1.2em;font-weight:bolder;color:red"></span>
</p>
</fieldset>
</form>
</body>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript">
$('button').eq(0).click(function(){
var url = 'api/user.php?m=login'
var data = {
"email":$('#email').val(),
"password":$('#pw').val()
}
var success = function(res){
if (res == '1'){
$('#tips').text('登录成功,正在跳转中...')
setTimeout(function(){
location.href = 'api/index.php'
},2000)
}
else {
$('#tips').text('邮箱或密码错误,请重新输入！')
$('email').focus
setTimeout("$('#tips').empty()",2000)
}
}
var dataType = 'json'
$.post(url,data,success,dataType)
return false
})
</script>
</html>点击 "运行实例" 按钮查看在线实例
