<div id="wrap" :style="{ height: screenHeight + 'px' }">
<div id="main" :style="{ top: nowTop + 'px' }">
<ul id="pageUl" type="circle">
<li id="pageUlLi1" class="pageUlLi" :class="{'active': curIndex == 1}"> </li>
<li id="pageUlLi2" class="pageUlLi" :class="{'active': curIndex == 2}"> </li>
<li id="pageUlLi3" class="pageUlLi" :class="{'active': curIndex == 3}"> </li>
<li id="pageUlLi4" class="pageUlLi" :class="{'active': curIndex == 4}"> </li>
<li id="pageUlLi5" class="pageUlLi" :class="{'active': curIndex == 5}"> </li>
</ul>
<div style="background-color: #1b6d85" id="page1" class="page"></div>
<div style="background-color: #5cb85c" id="page2" class="page"></div>
<div style="background-color: #8a6d3b" id="page3" class="page"></div>
<div style="background-color: #337ab7" id="page4" class="page"></div>
<div style="background-color: #66512c" id="page5" class="page"></div>
</div>
</div>
</template>
<script>
export default {
name: 'Home',
data(){
return{
screenWeight: 0, // 屏幕宽度
screenHeight: 0, // 屏幕高度
index: 1, // 用于判断翻页
curIndex: 1, // 当前页的index
startTime: 0, // 翻屏起始时间
endTime: 0, // 上一次翻屏结束时间
nowTop: 0, // 翻屏后top的位置
pageNum: 0, // 一共有多少页
main: Object,
obj: Object
}
},
mounted(){
this.screenWeight = document.documentElement.clientWidth;
this.screenHeight = document.documentElement.clientHeight;
this.main = document.getElementById("main");
this.obj = document.getElementsByTagName("div");
for (let i = 0; i < this.obj.length; i++) {
if (this.obj[i].className == 'page') {
this.obj[i].style.height = this.screenHeight + "px";
}
}
this.pageNum = document.querySelectorAll(".page").length;
// 浏览器兼容
if ((navigator.userAgent.toLowerCase().indexOf("firefox") != -1)) {
document.addEventListener("DOMMouseScroll", this.scrollFun, false);
} else if (document.addEventListener) {
document.addEventListener("mousewheel", this.scrollFun, false);
} else if (document.attachEvent) {
document.attachEvent("onmousewheel", this.scrollFun);
} else {
document.onmousewheel = this.scrollFun;
}
},
methods:{
scrollFun(event) {
this.startTime = new Date().getTime();
// mousewheel事件中的 “event.wheelDelta” 属性值:返回的如果是正值说明滚轮是向上滚动
// DOMMouseScroll事件中的 “event.detail” 属性值:返回的如果是负值说明滚轮是向上滚动
let delta = event.detail || (-event.wheelDelta);
// 如果当前滚动开始时间和上次滚动结束时间的差值小于1.5s,则不执行翻页动作,这样做是为了实现类似节流的效果
if ((this.startTime - this.endTime) > 1500) {
if (delta > 0 && parseInt(this.main.offsetTop) >= -(this.screenHeight * (this.pageNum - 2))) {
// 向下滚动
this.index++;
this.toPage(this.index);
}else if (delta < 0 && parseInt(this.main.offsetTop) < 0) {
// 向上滚动
this.index--;
this.toPage(this.index);
}
// 本次翻页结束,记录结束时间,用于下次判断
this.endTime = new Date().getTime();
}
},
// 翻页
toPage(index) {
if (index != this.curIndex) {
let delta = index - this.curIndex;
this.nowTop = this.nowTop - delta * this.screenHeight;
this.curIndex = index;
}
}
}
}
</script>
<style>
html, body {
height: 100%;
}
body, ul, li, a, p, div {
/*慎删*/
padding: 0px;
margin: 0px;
}
#wrap {
overflow: hidden;
width: 100%;
}
#main {
position: relative;
transition:top 1.5s;
}
.page {
/*谨删*/
width: 100%;
margin: 0;
}
#pageUl {
position: fixed;
right: 10px;
bottom: 50%;
}
.active{
color: red;
}
</style>
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版权声明:本文为CSDN博主「Lccccb」的原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接及本声明。
原文链接:https://blog.csdn.net/Lccccb/article/details/104671115