1.dreamweaver轮播停留怎么弄呀？
dreamweaver轮播停留怎么弄呀？
这是源码我制作的轮播图源码（与时间间隔等可以自己改）：<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta </title>
<style>
* {
margin: 0;
padding: 0
}
html {
font-size: px;
}
.box {
width: rem;
height: rem;
border: 3px dashed red;
margin: px 0;
position: relative;
left: %;
top: 5%;
transform: translate(-%, 0);
overflow: hidden;
}
.box>ul {
width: %;
height: rem;
position: absolute;
}
.box>ul>li {
width: rem;
height: rem;
list-style: none;
float: left;
}
.box li img {
width: rem;
height: rem;
}
.box>ol {
position: absolute;
left: %;
bottom: px;
transform: translate(-%, 0);
}
.box>ol>li {
width: 1.5rem;
height: 1.5rem;
list-style: none;
margin-left: px;
float: left;
border-radius: 1.5rem;
background: rgba(, 0, 3, 0.5);
cursor: pointer;
}
.box>ol>li.now {
width: 3rem;
}
.box span {
color: #f;
display: none;
width: 6rem;
text-align: center;
height: rem;
line-height: rem;
font-size: 5rem;
position: absolute;
top: 0;
cursor: pointer;
}
.box span:hover {
background: rgba(, , , 0.3);
}
.box>.spanL {
left: 0;
}
.box>.spanR {
right: 0;
}
</style>
</head>
<body>
<div class="box">
<ul>
<li>
<a href="javascript:;">
<img src="images/game_.jpg" alt="轮播图">
</a>
</li>
<li>
<a href="javascript:;">
<img src="images/game_.jpg" alt="轮播图">
</a>
</li>
<li>
<a href="javascript:;">
<img src="images/game_.jpg" alt="轮播图">
</a>
</li>
<li>
<a href="javascript:;">
<img src="images/game_.jpg" alt="轮播图">
</a>
</li>
</ul>
<!--轮播图指示图标-->
<ol>
<li class="now"></li>
<li></li>
<li></li>
<li></li>
</ol>
<!--向左向右图标-->
<span class="spanL">‹</span>
<span class="spanR">›</span>
</div>
<script>
var box = document.querySelector('.box');
var ul = document.querySelector('ul');
var ol = document.querySelector('ol');
var spanL = document.querySelector('.spanL');
var spanR = document.querySelector('.spanR');
//鼠标移入时向左、向右图标显示
box.addEventListener('mouseenter',源码手持弹幕手持源码 function() {
spanL.style.display = 'block';
spanR.style.display = 'block';
//停止定时器
clearInterval(timer);
})
//鼠标移出时向左、向右图标隐藏
box.addEventListener('mouseleave',源码asp带注入源码 function() {
spanL.style.display = 'none';
spanR.style.display = 'none';
//运行定时器
timer=setInterval(function(){
//调用向右运动事件
spanR.click();
},);
})
//动画函数
function run(obj, target, callback) { //obj指运动的对象，target指目标运动距离，源码java maven 项目源码callback指回调函数
clearInterval(obj.timer);
obj.timer = setInterval(function() {
if (obj.offsetLeft === target) {
clearInterval(obj.timer);
//回调函数要等到定时器函数运行结束才能运行
if (callback) { //若存在回调函数就调用
callback();
};
} else {
//设置动画的源码obv指标源码同花顺步长值变量bc，使运行速度逐渐变小
var bc = (target - obj.offsetLeft) / > 0 ?源码手机wap建站源码 Math.ceil((target - obj.offsetLeft) / ) : Math.floor((target -
obj.offsetLeft) / );
obj.style.left = obj.offsetLeft + bc + 'px';
};
}, );
}
//要实现无缝滚动，需要将第一张轮播图复制并添加到最后(注意：ul的源码宽度也要相应增加)
var imglast = ul.children[0].cloneNode(true);
ul.appendChild(imglast);
var num = 0; //代替轮播图的序号
var num2 = 0; //代替轮播图指示图标的序号
var lis = ol.children.length;
var flag = true; //此变量用于阻止快速点击时导致运动过快的情况
//点击向右图标，向右运动
spanR.addEventListener('click',源码 function() {
if (flag) {
flag = false;
if (num === ul.children.length - 1) { //注意num的判断条件必须写在num++的前面
num = 0;
ul.style.left = 0;
}
num++;
//轮播图指示图标
for (var i = 0; i < lis; i++) {
ol.children[i].className = '';
}
num2++;
if (num2 === lis) {
num2 = 0;
}
ol.children[num2].className = 'now';
//调用运动函数
run(ul, -num * ul.children[0].offsetWidth, function() {
flag = true;
});
}
})
//点击向左图标，向左运动
spanL.addEventListener('click',源码 function() {
if (flag) {
flag = false;
if (num === 0) {
num = ul.children.length - 1;
ul.style.left = -num * ul.children[0].offsetWidth + 'px';
}
num--;
//轮播图指示图标
for (var i = 0; i < lis; i++) {
ol.children[i].className = '';
}
num2--;
if (num2 < 0) {
num2 = lis-1;
}
ol.children[num2].className = 'now';
//调用运动函数
run(ul, -num * ul.children[0].offsetWidth, function() {
flag = true;
});
}
})
//点击指示图标定位
for(var i=0; i<lis; i++){
ol.children[i].index=i; //获取循环对象的下标号
ol.children[i].addEventListener('click', function(){
run(ul, -this.index*ul.children[0].offsetWidth);
for(var j=0; j<lis; j++){
ol.children[j].className='';
};
this.className='now';
num=num2=this.index;
})
}
//设置定时器
var timer=setInterval(function(){
//调用向右运动事件
spanR.click();
},);
</script>
</body>
</html>