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Circle Lottery.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>
Circle Lottery（在花瓣写的转盘抽奖，运行不起来，但逻辑是好的）
</title>
<style>
html,
body {
background: #393374;
}
.hb.article {
padding: 0;
}
.hb.fixed.container {
width: 100%;
max-width: unset !important;
}
.hb.context.page {
width: 100%;
}
.common-div {
width: 100%;
height: 500px;
background-position: center center;
background-repeat: no-repeat;
background-size: auto 100%;
}
.lottery-main {
height: 942px;
background-image: url('//event-img.huabanimg.com/1911-photofox/lotto_it01.jpg');
}
.lottery-rule {
position: relative;
height: 937px;
background-image: url('//hbfile.huabanimg.com/f0021cff89d1451a77827e71cab4c649a90b60a1');
}
.center {
position: relative;
margin: 0 auto;
width: 1065px;
height: 100%;
}
.center > img,
.mobile-img3,
.mobile-img4 {
display: none;
}
#container {
position: absolute;
top: 261px;
left: 19px;
width: 669px;
height: 669px;
}
#circle {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
margin: auto;
width: 610px;
height: 610px;
background-position: center center;
background-repeat: no-repeat;
background-size: 100% 100%;
background-image: url('//hbfile.huabanimg.com/f94a0ffb2b25576ed1c293e1bc0cf76828bb0664');
}
#arrow {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
margin: auto;
width: 200px;
height: 214px;
background-position: center center;
background-repeat: no-repeat;
background-size: 100% 100%;
background-image: url('//event-img.huabanimg.com/1911-photofox/lotto_pointer.png');
cursor: pointer;
}
@media screen and (max-width: 1024px) {
html,
body {
background: #1d1843;
}
.lottery-main {
height: 178vw;
background-image: none;
}
.lottery-rule {
height: 88.2vw;
background-image: none;
}
.mobile-img3,
.mobile-img4 {
display: block;
}
.mobile-img3 {
position: absolute;
top: 0;
left: 0;
right: 0;
margin: 0 auto;
width: 100%;
}
.mobile-img4 {
position: absolute;
left: 0;
bottom: 0;
right: 0;
margin: 0 auto;
width: 100%;
}
.center {
width: 100%;
}
.center > img {
display: block;
position: absolute;
width: 100%;
z-index: 1;
}
.center .mobile-img1 {
top: 0;
left: 0;
}
.center .mobile-img2 {
bottom: 0;
right: 0;
}
#container {
top: 84vw;
left: 0;
right: 0;
margin: 0 auto;
width: 76.8vw;
height: 76.8vw;
z-index: 3;
background-position: center center;
background-repeat: no-repeat;
background-size: 100% 100%;
background-image: url('//event-img.huabanimg.com/1911-photofox/lotto_bg.png');
}
#circle {
width: 68vw;
height: 68vw;
}
#arrow {
width: 30vw;
height: 32vw;
}
}
</style>
</head>
<body>
<div class="lottery-main common-div">
<div class="center">
<img
src="//event-img.huabanimg.com/1911-photofox/mb/ElementLottery-1.png"
class="mobile-img1"
/>
<div id="container">
<section id="circle"></section>
<span id="arrow"></span>
</div>
<img
src="//event-img.huabanimg.com/1911-photofox/mb/ElementLottery-2.png"
class="mobile-img2"
/>
</div>
</div>
<div class="lottery-rule common-div">
<img
src="//hbfile.huabanimg.com/ed87ec309f53a15a1b25e6e3952bb826f93a0e75"
class="mobile-img3"
/>
<img
src="//event-img.huabanimg.com/1911-photofox/mb/ElementBottom.png"
class="mobile-img4"
/>
</div>
</body>
<script>
window.isTime =
new Date() >= new Date(2019, 11, 25) && new Date() < new Date(2020, 0, 1);
(async function () {
// 用户抽奖状态
let userStatus = null;
// 请求当前用户的抽奖资格以及抽奖状态
try {
const { data } = await axios.get('/api/event/83/contact');
if (data && data.err) {
message.error(data.err);
}
userStatus =
data && data.fields
? Object.assign(
{},
{
tel: '',
name: '',
address: '',
prizes: []
},
data.fields
)
: {
tel: '',
name: '',
address: '',
prizes: [],
chances: 0
};
new ChouJ().init();
} catch (err) {
message.error(err);
}
// 抽奖模块
function ChouJ() {
this.cirEle = document.getElementById('circle'); // 转盘本盘
this.arrEle = document.getElementById('arrow'); // 指针本针
this.isChouing = false; // 是否在进行抽奖
this.currentAward = 1; // 上次抽奖奖品
this.stopAward = 0; // 本次抽奖奖品
this.currentDeg = 0; // 抽奖开始时的角度，根据上次抽奖结果计算得出
this.stopDeg = 0; // 抽奖结束时的角度，根据本次抽奖结果计算得出
this.init = () => {
this.bindEvent(); // 绑定事件
this.currentDeg = 0;
this.setEleTransform(this.currentDeg); // 设置初始角度
};
this.bindEvent = () => {
// 为指针绑定事件
this.arrEle.addEventListener('click', this.beginChou, false);
};
this.setEleTransform = deg => {
// 设置转盘的角度
this.cirEle.style.transform = `rotateZ(${deg}deg)`;
};
this.calcCurrentDeg = () => {
// 计算抽奖开始时的角度，60 是 360 分为 6 个奖品
this.currentDeg = (1 - this.currentAward) * 60 - 30;
};
this.calcStopDeg = () => {
// 计算抽奖结束时的角度
this.stopDeg = 14400 - 30 + 60 * (1 - this.stopAward);
};
this.beginChou = () => {
if (!window.isTime) {
message.warning('未到抽奖时间');
return;
}
if (userStatus.work !== 'PASSED') {
// 没抽奖资格
message.warning('您还未成功投稿，没有抽奖机会');
return;
}
if (!this.isChouing && userStatus.chances - 0 === 1) {
// 有抽奖资格且没抽过奖
this.isChouing = true;
// 获取用户抽奖结果
axios
.post('/api/event/83/fuuk', { end: 'draw' })
.then(res => {
if (res.data && res.data.err) {
message.error(res.data.err);
this.isChouing = false;
return;
}
userStatus.prizes.push(res.data.prize);
userStatus.chances = 0;
this.currentAward = this.stopAward; // 将上次抽奖结果设置为起始奖品
this.cirEle.style.transition = 'all 0s'; // 不设置动画
this.calcCurrentDeg(); // 计算初始角度
this.setEleTransform(this.currentDeg); // 设置初始角度
this.stopAward = this.convertAward(); // 计算本次抽奖结果
this.cirEle.style.transition = 'all 12s ease-in-out'; // 开启动画
this.calcStopDeg(); // 计算停止角度
this.setEleTransform(this.stopDeg); // 设置停止角度
setTimeout(() => {
// 本次抽奖结束
this.isChouing = false;
this.currentAward = this.stopAward;
this.cirEle.style.transition = 'all 0s';
this.calcCurrentDeg();
this.setEleTransform(this.currentDeg);
switch (this.stopAward - 0) {
case 1:
message.success('恭喜您获得“iPhone 11”一部');
this.handleAlready();
return;
case 2:
message.success('恭喜您获得“花瓣星球杯”一个');
return;
case 3:
message.success('谢谢参与');
return;
case 4:
message.success('恭喜您获得“360 行车记录仪”一台');
this.handleAlready();
return;
case 5:
message.success('恭喜您获得“洛菲 dot 圆点机械键盘”一把');
this.handleAlready();
return;
case 6:
message.success('恭喜您获得“花瓣 Pro 年费会员”');
return;
default:
return;
}
}, 12000);
})
.catch(err => {
this.isChouing = false;
message.error(err);
});
} else if (userStatus.prizes.length !== 0) {
// 抽过奖的
this.stopAward = this.convertAward();
this.handleAlready();
}
};
this.convertAward = () => {
/*
1-iPhone 11
2-机械键盘
3-行车记录仪
4-花瓣限量星球杯
5-花瓣年费会员
*/
// 将奖品和转盘对应起来
const prize = userStatus.prizes[0] - 0;
switch (prize) {
case 1:
return 1; // 转盘的第 1 个位置为 1 等奖
case 2:
return 5; // 转盘的第 5 个位置为 2 等奖
case 3:
return 4; // 转盘的第 4 个位置为 3 等奖
case 4:
return 2; // 转盘的第 2 个位置为 4 等奖
case 5:
return 6; // 转盘的第 6 个位置为 5 等奖
default:
return 3; // 转盘的第 3 个位置为谢谢参与
}
};
this.handleAlready = () => {
// 对于已经抽过奖的用户，再次点击抽奖，直接打开联系方式弹窗
switch (this.stopAward - 0) {
case 1:
this.generateModal('iPhone 11 一部');
return;
case 2:
this.generateModal('花瓣星球杯一个');
return;
case 4:
this.generateModal('360 行车记录仪一台');
return;
case 5:
this.generateModal('洛菲 dot 圆点机械键盘一把');
return;
case 6:
message.success('您的“花瓣 Pro 年费会员”会在活动结束后统一发放');
return;
default:
message.warning('谢谢参与');
return;
}
};
this.generateModal = awardName => {
// 创建实物奖品联系方式弹窗
window.pack.Modal.create(
`<div class='hb modal'>
<i class="icon reject close"></i>
<header class="header">您获得“${awardName}”，填写联系方式</header>
<div class="content" >
<input type="text" class="hb input" name="username" value="${userStatus.name}" placeholder="收件人" style="width:100%;"/>
<input type="text" class="hb input" name="telphone" value="${userStatus.tel}" placeholder="联系电话" style="width:100%;margin:15px 0;"/>
<input type="text" class="hb input" name="address" value="${userStatus.address}" placeholder="收件地址" style="width:100%;"/>
</div>
<footer class="footer">
<button class="hb reject button">取消</button>
<button class="hb red accept button">提交</button>
</footer>
</div>`
).then(function (modal) {
let name = modal.querySelector("[name='username']").value;
let tel = modal.querySelector("[name='telphone']").value;
let address = modal.querySelector("[name='address']").value;
if (!name || (name && name.trim().length === 0)) {
message.warning('请填写收件人');
return;
}
if (!tel || (tel && tel.trim().length === 0)) {
message.warning('请填写手机号');
return;
}
if (!address || (address && address.trim().length === 0)) {
message.warning('请填写收件地址');
return;
}
axios
.put('/api/event/83/contact', {
tel,
address,
name
})
.then(() => {
message.success('联系方式保存成功');
pack.Modal.hide(modal);
location.reload();
})
.catch(err => {
message.error(err);
});
});
};
this.randNum = (a, b) => {
// 随机数函数
return Math.floor(Math.random() * (b - a + 1) + a);
};
}
})();
</script>
</html>