vue简单实现九宫格抽奖
在这里插入图片描述
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>九宫格抽奖</title>
<style>
* {
padding: 0;
margin: 0;
}
.box {
position: relative;
width: 400px;
height: 400px;
margin: auto;
}
.draw {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 100px;
height: 100px;
background: chocolate;
text-align: center;
line-height: 100px;
color: #fff;
cursor: pointer;
}
.row {
position: absolute;
width: 100px;
height: 100px;
line-height: 100px;
background: cadetblue;
color: #fff;
text-align: center;
}
.box .row:nth-child(1) {
top: 0;
left: 0;
}
.box .row:nth-child(2) {
top: 0;
left: 50%;
transform: translate(-50%, 0);
}
.box .row:nth-child(3) {
top: 0;
right: 0;
}
.box .row:nth-child(4) {
top: 50%;
right: 0;
transform: translate(0, -50%);
}
.box .row:nth-child(5) {
bottom: 0;
right: 0;
}
.box .row:nth-child(6) {
bottom: 0;
right: 50%;
transform: translate(50%, 0);
}
.box .row:nth-child(7) {
bottom: 0;
left: 0;
}
.box .row:nth-child(8) {
top: 50%;
left: 0;
transform: translate(0, -50%);
}
.active {
background: lightseagreen !important;
}
</style>
</head>
<body>
<div id="Vue">
<div class="box">
<div class="row" :class="select == index ? 'active' : ''" v-for="(item,index) in list" :key="index">
{{item.name}}</div>
<div class="draw" @click="startDraw()">抽奖</div>
</div>
</div>
</body>
<script src="https://cdn.suoluomei.com/common/js2.0/vue/v2.5.16/vue.js"></script>
<script>
new Vue({
el: "#Vue",
data: {
list: [
{
name: "手机"
},
{
name: "平板"
},
{
name: "电磁炉"
},
{
name: "洗衣机"
},
{
name: "衣柜"
},
{
name: "电脑"
},
{
name: "电视"
},
{
name: "冰箱"
},
],
flag: true,//是否开始抽奖
select: 0,//页面对应抽奖下标
timer: "",
count: 0
},
methods: {
startDraw() {
if (this.flag == true) {
this.flag = false
this.timer = setInterval(() => {
this.spinPrize()
}, 100)
}
},
spinPrize() {
var spin = 3 //旋转圈数
var win = 5 //中奖产品 0-7
this.select += 1
if (this.select > 7 && this.count != spin) {
this.select = 0
this.count += 1
}
if (this.select == win && this.count == spin) {
clearInterval(this.timer)
this.flag = true
this.count = 0
console.log("中奖产品为:" + this.list[this.select].name)
}
},
}
})
</script>
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原始发表：2020-09-15 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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