Organize the computer and find a lot of silly things I wrote before:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
img {
width: 100%;
}
.li_img {
width: 800px;
float: left;
list-style: none;
}
.ul_img {
width: 6000px;
padding: 0px;
margin: 0px;
transition: all 2s;
}
.main_div {
width: 800px;
overflow: hidden;
position: relative;
top: 100px;
left: 350px;
}
.arrows {
z-index: 9999;
position: absolute;
padding-top: 230px;
width: 800px;
}
.arrows span {
font-size: 3em;
color: seashell;
}
.arrows span:hover {
/*变小手*/
cursor: pointer;
background-color: rgba(192, 192, 192, 0.29);
}
.div_btn {
float: left;
border-radius: 100px;
background-color: aquamarine;
width: 60px;
height: 10px;
margin-left: 10px;
margin-top: 130px;
}
.div_btn:hover {
background-color: aqua;
}
</style>
</head>
<body>
<div class="main_div">
<div class="arrows">
<span title="1" class="arrow">
<< /span>
<span title="0" class="arrow" style="float: right">></span>
</div>
<ul class="ul_img">
<li class="li_img">我是图片：水珠在竹叶上</li>
<li class="li_img">我是图片：在海边的人</li>
<li class="li_img">我是图片：清凉的荷叶</li>
<li class="li_img">我是图片：绵延不绝的山</li>
</ul>
</div>
<div style="margin-left: 600px">
<div class="div_btn"></div>
<div class="div_btn"></div>
<div class="div_btn"></div>
<div class="div_btn"></div>
</div>
<script>
//跑动的次数
var count = 0;
//动画的执行方向
var isgo = false;
//定义计时器对象
var timer;
window.onload = function () {
/*获取ul元素*/
var ul_img = document.getElementsByClassName("ul_img")[0];
//获取所有的li图片元素
var li_img = document.getElementsByClassName("li_img");
//获取控制方向的箭头元素
var arrow = document.getElementsByClassName("arrow");
//获取所有按钮元素
var div_btn = document.getElementsByClassName("div_btn");
div_btn[0].style.backgroundColor = "aqua";
/*定义计时器，控制图片移动*/
showtime();
function showtime() {
timer = setInterval(function () {
if (isgo == false) {
count++;
ul_img.style.transform = "translate(" + -800 * count + "px)";
if (count >= li_img.length - 1) {
count = li_img.length - 1;
isgo = true;
}
}
else {
count--;
ul_img.style.transform = "translate(" + -800 * count + "px)";
if (count <= 0) {
count = 0;
isgo = false;
}
}
for (var i = 0; i < div_btn.length; i++) {
div_btn[i].style.backgroundColor = "aquamarine";
}
div_btn[count].style.backgroundColor = "aqua";
}, 4000)
}
/*鼠标进入左右方向键操作*/
for (var i = 0; i < arrow.length; i++) {
//鼠标悬停时
arrow[i].onmouseover = function () {
//停止计时器
clearInterval(timer);
}
//鼠标离开时
arrow[i].onmouseout = function () {
//添加计时器
showtime();
}
arrow[i].onclick = function () {
//区分左右
if (this.title == 0) {
count++;
if (count > 3) {
count = 0;
}
}
else {
count--;
if (count < 0) {
count = 3;
}
}
ul_img.style.transform = "translate(" + -800 * count + "px)";
for (var i = 0; i < div_btn.length; i++) {
div_btn[i].style.backgroundColor = "aquamarine";
}
div_btn[count].style.backgroundColor = "aqua";
}
}
//鼠标悬停在底部按钮的操作
for (var b = 0; b < div_btn.length; b++) {
div_btn[b].index = b;
div_btn[b].onmouseover = function () {
clearInterval(timer);
for (var a = 0; a < div_btn.length; a++) {
div_btn[a].style.backgroundColor = "aquamarine";
}
div_btn[this.index].style.backgroundColor = "aqua";
//让count值对应
//为了控制方向
if (this.index == 3) {
isgo = true;
}
if (this.index == 0) {
isgo = false;
}
count = this.index;
ul_img.style.transform = "translate(" + -800 * this.index + "px)";
}
div_btn[b].onmouseout = function () {
//添加计时器
showtime();
}
}
}
</script>
</body>
</html>
