<div class="header-bottom skewBg" data-header> data-header是啥
时间: 2024-03-31 13:32:16 浏览: 74
"data-header"是一个HTML自定义属性,它被添加到具有类名"header-bottom skewBg"的HTML元素中。这个属性通常用于JavaScript代码中,以便可以通过访问元素的"data-header"属性来获取或设置元素的信息。在本例中,"data-header"可能被用作标识符来引用或修改这个特定的元素。
相关问题
<div class="header"> <div class="logo"> <!--Logo部分--> <img src="img/xiaohuilogo.jpg" alt=""> </div> <div class="banner"> <!--轮播图部分--> <img src="img/1.jpg" alt="inte1" class="slide"> <img src="img/2.jpg" alt="inte2" class="slide"> <img src="img/3.jpg" alt="inte3" class="slide"> </div> <div class="personal"> <!--个人信息部分--> </div> <!--页头部分--> </div>实现轮播图
你可以尝试使用以下的JavaScript代码和CSS样式来实现轮播图:
HTML代码:
```
<div class="header">
<div class="logo">
<img src="img/xiaohuilogo.jpg" alt="">
</div>
<div class="banner">
<img src="img/1.jpg" alt="inte1" class="slide">
<img src="img/2.jpg" alt="inte2" class="slide">
<img src="img/3.jpg" alt="inte3" class="slide">
</div>
<div class="personal">
</div>
</div>
```
CSS样式:
```
.banner {
width: 100%;
height: 300px;
position: relative;
overflow: hidden;
}
.slide {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
opacity: 0;
transition: opacity 1s ease-in-out;
}
.active {
opacity: 1;
}
.btn {
position: absolute;
top: 50%;
transform: translateY(-50%);
z-index: 999;
cursor: pointer;
font-size: 30px;
color: #fff;
}
.prev {
left: 20px;
}
.next {
right: 20px;
}
.dots {
position: absolute;
bottom: 20px;
left: 50%;
transform: translateX(-50%);
z-index: 999;
display: flex;
}
.dot {
width: 10px;
height: 10px;
border-radius: 50%;
background-color: #fff;
margin: 0 10px;
cursor: pointer;
}
.dot.active {
background-color: #f00;
}
```
JavaScript代码:
```
var slides = document.querySelectorAll('.slide');
var dots = document.querySelectorAll('.dot');
var prev = document.querySelector('.prev');
var next = document.querySelector('.next');
var index = 0;
function showSlide(n) {
for (var i = 0; i < slides.length; i++) {
slides[i].classList.remove('active');
}
slides[n].classList.add('active');
for (var i = 0; i < dots.length; i++) {
dots[i].classList.remove('active');
}
dots[n].classList.add('active');
}
function nextSlide() {
index++;
if (index == slides.length) {
index = 0;
}
showSlide(index);
}
function prevSlide() {
index--;
if (index < 0) {
index = slides.length - 1;
}
showSlide(index);
}
function currentSlide(n) {
index = n;
showSlide(index);
}
next.addEventListener('click', nextSlide);
prev.addEventListener('click', prevSlide);
for (var i = 0; i < dots.length; i++) {
dots[i].addEventListener('click', function() {
currentSlide(this.getAttribute('data-index'));
});
}
showSlide(index);
var intervalId = setInterval(nextSlide, 5000);
```
需要注意的是,以上代码可能需要根据你的具体需求进行适当的修改。
请分析以下代码中“编辑”按钮为什么没有用?<a href="#" onclick="cookClassEdit('<%=cookClass.getCookClassId() %>');"><i class="fa fa-pencil fa-fw"></i>编辑</a> <div id="cookClassEditDialog" class="modal fade" tabindex="-1" role="dialog"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> <h4 class="modal-title"><i class="fa fa-edit"></i> 烹饪分类信息编辑</h4> </div> <div class="modal-body" style="height:450px; overflow: scroll;"> <form class="form-horizontal" name="cookClassEditForm" id="cookClassEditForm" enctype="multipart/form-data" method="post" class="mar_t15"> <div class="form-group"> <label for="cookClass_cookClassId_edit" class="col-md-3 text-right">分类id:</label> <div class="col-md-9"> <input type="text" id="cookClass_cookClassId_edit" name="cookClass.cookClassId" class="form-control" placeholder="请输入分类id" readOnly> </div> </div> <div class="form-group"> <label for="cookClass_className_edit" class="col-md-3 text-right">分类名称:</label> <div class="col-md-9"> <input type="text" id="cookClass_className_edit" name="cookClass.className" class="form-control" placeholder="请输入分类名称"> </div> </div> <div class="form-group"> <label for="cookClass_cookClassDesc_edit" class="col-md-3 text-right">烹饪分类介绍:</label> <div class="col-md-9"> <textarea id="cookClass_cookClassDesc_edit" name="cookClass.cookClassDesc" rows="8" class="form-control" placeholder="请输入烹饪分类介绍"></textarea> </div> </div> </form> <style>#cookClassEditForm .form-group {margin-bottom:5px;} </style> </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button> <button type="button" class="btn btn-primary" onclick="ajaxCookClassModify();">提交</button> </div> </div> </div> </div> function cookClassEdit(cookClassId) { $.ajax({ url : basePath + "CookClass/" + cookClassId + "/update", type : "get", dataType: "json", success : function (cookClass, response, status) { if (cookClass) { $("#cookClass_cookClassId_edit").val(cookClass.cookClassId); $("#cookClass_className_edit").val(cookClass.className); $("#cookClass_cookClassDesc_edit").val(cookClass.cookClassDesc); $('#cookClassEditDialog').modal('show'); } else { alert("获取信息失败!"); } } }); } function ajaxCookClassModify() { $.ajax({ url : basePath + "CookClass/" + $("#cookClass_cookClassId_edit").val() + "/update", type : "post", dataType: "json", data: new FormData($("#cookClassEditForm")[0]), success : function (obj, response, status) { if(obj.success){ alert("信息修改成功!"); location.href= basePath + "CookClass/frontlist"; }else{ alert(obj.message); } }, processData: false, contentType: false, }); }
根据代码所示,点击“编辑”按钮会调用cookClassEdit函数,并传入参数cookClassId。这个函数会通过ajax请求获取对应id的烹饪分类信息,并将其填充到编辑对话框中。但是,在这段代码中并没有给“编辑”按钮绑定点击事件,因此点击按钮并不会触发任何事件,也就是说这个按钮是没有用的。如果想让这个按钮起作用,需要在页面加载完成后使用JavaScript代码给按钮绑定点击事件,使其调用cookClassEdit函数。