前言
本篇文章是用UniApp
开发的,但是由于调用的API只是被UniApp封装好的微信API,所以整个功能是可以完全使用微信小程序原生开发的。
如果想用原生小程序开发,在调用uni.xxx
类似的API方法时,只需要将 uni
替换成 wx
即可。
某些配置文件内容,会从uniapp和微信小程序两个维度去进行说明,方便不同框架的程序员来开发使用。
先来展示一下看看叭
自定义顶部栏
微信小程序是自带一个顶部标题栏的,需要手动配置才会隐藏。
uniapp
是在 page.json 文件中配置当前路由
{ "path" : "pages/eat/eat", "style" : { "navigationBarTitleText": "吃点啥", "enablePullDownRefresh": false, "navigationStyle": "custom" } } 复制代码
"navigationStyle": "custom"
表示自定义当前页面顶部栏
微信小程序
则是直接在当前页面的json文件中配置
{ "navigationStyle": "custom" } 复制代码
画流星
- 去掉了微信顶部栏之后,就可以直接做一个全屏的动画效果了,我这里做的是流星,大家也可以在我其他文章中找不同的动画效果替换上去。
<view class="tn-satr"> <view class="sky"></view> <view class="stars"> <view class="falling-stars"> <view class="star-fall"></view> <view class="star-fall"></view> <view class="star-fall"></view> <view class="star-fall"></view> </view> <view class="small-stars"> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> </view> <view class="medium-stars"> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> <view class="star"></view> </view> </view> </view> 复制代码
.tn-satr { position: fixed; width: 100%; height: 600px; overflow: hidden; flex-shrink: 0; z-index: 998; } .stars { position: absolute; z-index: 1; width: 100%; height: 400px; } .star { border-radius: 50%; background: #ffffff; box-shadow: 0px 0px 6px 0px rgba(255, 255, 255, 0.8); } .small-stars .star { position: absolute; width: 3px; height: 3px; } .small-stars .star:nth-child(2n) { opacity: 0; -webkit-animation: star-blink 1.2s linear infinite alternate; animation: star-blink 1.2s linear infinite alternate; } .small-stars .star:nth-child(1) { left: 40px; bottom: 50px; } .small-stars .star:nth-child(2) { left: 200px; bottom: 40px; } .small-stars .star:nth-child(3) { left: 60px; bottom: 120px; } .small-stars .star:nth-child(4) { left: 140px; bottom: 250px; } .small-stars .star:nth-child(5) { left: 400px; bottom: 300px; } .small-stars .star:nth-child(6) { left: 170px; bottom: 80px; } .small-stars .star:nth-child(7) { left: 200px; bottom: 360px; -webkit-animation-delay: .2s; animation-delay: .2s; } .small-stars .star:nth-child(8) { left: 250px; bottom: 320px; } .small-stars .star:nth-child(9) { left: 300px; bottom: 340px; } .small-stars .star:nth-child(10) { left: 130px; bottom: 320px; -webkit-animation-delay: .5s; animation-delay: .5s; } .small-stars .star:nth-child(11) { left: 230px; bottom: 330px; -webkit-animation-delay: 7s; animation-delay: 7s; } .small-stars .star:nth-child(12) { left: 300px; bottom: 360px; -webkit-animation-delay: .3s; animation-delay: .3s; } @-webkit-keyframes star-blink { 50% { width: 3px; height: 3px; opacity: 1; } } @keyframes star-blink { 50% { width: 3px; height: 3px; opacity: 1; } } .medium-stars .star { position: absolute; width: 3px; height: 3px; opacity: 0; -webkit-animation: star-blink 1.2s ease-in infinite alternate; animation: star-blink 1.2s ease-in infinite alternate; } .medium-stars .star:nth-child(1) { left: 300px; bottom: 50px; } .medium-stars .star:nth-child(2) { left: 400px; bottom: 40px; -webkit-animation-delay: .4s; animation-delay: .4s; } .medium-stars .star:nth-child(3) { left: 330px; bottom: 300px; -webkit-animation-delay: .2s; animation-delay: .2s; } .medium-stars .star:nth-child(4) { left: 460px; bottom: 300px; -webkit-animation-delay: .9s; animation-delay: .9s; } .medium-stars .star:nth-child(5) { left: 300px; bottom: 150px; -webkit-animation-delay: 1.2s; animation-delay: 1.2s; } .medium-stars .star:nth-child(6) { left: 440px; bottom: 120px; -webkit-animation-delay: 1s; animation-delay: 1s; } .medium-stars .star:nth-child(7) { left: 200px; bottom: 140px; -webkit-animation-delay: .8s; animation-delay: .8s; } .medium-stars .star:nth-child(8) { left: 30px; bottom: 480px; -webkit-animation-delay: .3s; animation-delay: .3s; } .medium-stars .star:nth-child(9) { left: 460px; bottom: 400px; -webkit-animation-delay: 1.2s; animation-delay: 1.2s; } .medium-stars .star:nth-child(10) { left: 150px; bottom: 10px; -webkit-animation-delay: 1s; animation-delay: 1s; } .medium-stars .star:nth-child(11) { left: 420px; bottom: 450px; -webkit-animation-delay: 1.2s; animation-delay: 1.2s; } .medium-stars .star:nth-child(12) { left: 340px; bottom: 180px; -webkit-animation-delay: 1.1s; animation-delay: 1.1s; } @keyframes star-blink { 50% { width: 4px; height: 4px; opacity: 1; } } .star-fall { position: relative; border-radius: 2px; width: 80px; height: 2px; overflow: hidden; -webkit-transform: rotate(-20deg); transform: rotate(-20deg); } .star-fall:after { content: ""; position: absolute; width: 50px; height: 2px; background: -webkit-gradient(linear, right top, left top, from(rgba(0, 0, 0, 0)), to(rgba(255, 255, 255, 0.4))); background: linear-gradient(to left, rgba(0, 0, 0, 0) 0%, rgba(255, 255, 255, 0.4) 100%); left: 100%; -webkit-animation: star-fall 3.6s linear infinite; animation: star-fall 3.6s linear infinite; } .star-fall:nth-child(1) { left: 80px; bottom: -100px; } .star-fall:nth-child(1):after { -webkit-animation-delay: 2.4s; animation-delay: 2.4s; } .star-fall:nth-child(2) { left: 200px; bottom: -200px; } .star-fall:nth-child(2):after { -webkit-animation-delay: 2s; animation-delay: 2s; } .star-fall:nth-child(3) { left: 430px; bottom: -50px; } .star-fall:nth-child(3):after { -webkit-animation-delay: 3.6s; animation-delay: 3.6s; } .star-fall:nth-child(4) { left: 400px; bottom: 100px; } .star-fall:nth-child(4):after { -webkit-animation-delay: .2s; animation-delay: .2s; } @-webkit-keyframes star-fall { 20% { left: -100%; } 100% { left: -100%; } } @keyframes star-fall { 20% { left: -100%; } 100% { left: -100%; } } 复制代码
画流动的波浪
- 为了不让天上的星星太孤单,就得画一个波浪来陪伴!!skr!!!
<view class="tnwave waveAnimation"> <view class="waveWrapperInner bgTop"> <view class="wave waveTop" style="background-image: url('')"></view> </view> <view class="waveWrapperInner bgMiddle"> <view class="wave waveMiddle" style="background-image: url('')"></view> </view> <view class="waveWrapperInner bgBottom"> <view class="wave waveBottom" style="background-image: url('')"></view> </view> </view> 复制代码
- 波浪的素材是三张图片,放在下面自取哦~~
- bgTop 和 bgMiddle 中的image路径用的都是第一个哦,bgBottom 用的是第二个。
- 用各种 P 图工具,可以用白色背景把
稀土掘金技术社区
签名给隐藏掉的哦~
.template-outset { background-image: linear-gradient(to top, #4C3FAE 20%, #6E26BA 80%); width: 100vw; height: 100vh; } @keyframes move_wave { 0% { transform: translateX(0) translateZ(0) scaleY(1) } 50% { transform: translateX(-25%) translateZ(0) scaleY(1) } 100% { transform: translateX(-50%) translateZ(0) scaleY(1) } } .tnwave { overflow: hidden; position: absolute; left: 0; right: 0; bottom: 0; top: 0; margin: auto; } .waveWrapperInner { position: absolute; width: 100%; overflow: hidden; height: 100%; } .wave { position: absolute; left: 0; width: 200%; height: 100%; background-repeat: repeat no-repeat; background-position: 0 bottom; transform-origin: center bottom; } .bgTop { opacity: 0.4; } .waveTop { background-size: 50% 45px; } .waveAnimation .waveTop { animation: move_wave 4s linear infinite; } .bgMiddle { opacity: 0.6; } .waveMiddle { background-size: 50% 40px; } .waveAnimation .waveMiddle { animation: move_wave 3.5s linear infinite; } .bgBottom { opacity: 0.95; } .waveBottom { background-size: 50% 35px; } .waveAnimation .waveBottom { animation: move_wave 2s linear infinite; } 复制代码
页面布局
为了让用户进来一眼就能知道是可以摇一摇的,我们需要加一个摇一摇的动图,放在最显眼的位置。
<view class="tn-flex tn-flex-direction-column tn-flex-col-center tn-flex-row-center"> <view class="tn-flex tn-flex-col-center tn-flex-row-center"> <view class="tn-shadow-blur" style="background-image:url('');width: 170rpx;height: 170rpx;background-size: cover;"> </view> </view> </view> 复制代码
- 摇一摇素材
.tn-flex { display: -webkit-flex; display: flex; } .tn-flex-direction-column { flex-direction: column; } .tn-flex-col-center { align-items: center; } .tn-flex-row-center { justify-content: center; } .tn-shadow-blur { position: relative; } .tn-shadow-blur::before { content: " "; display: block; background: inherit; filter: blur(10rpx); position: absolute; width: 100%; height: 100%; top: 10rpx; left: 10rpx; z-index: -1; opacity: 0.4; transform-origin: 0 0; border-radius: inherit; transform: scale(1, 1); } 复制代码
然后加上自己喜欢的文字
<view class="tn-text-center tn-color-gray--disabled" style="padding: 60vh 0 0 0;"> <view class="" style="font-size: 45rpx;"> 摇一摇 </view> <view class="tn-color-gray--disabled tn-text-df tn-padding-top"> 摇到什么吃什么 </view> </view> 复制代码
.tn-text-center { text-align: center; } .tn-color-gray--disabled { color: #E6E6E6 !important; } .tn-padding-top { padding-top: 30rpx; } 复制代码
因为我做了一个领取外卖券的小程序,所以我在下面放了一个按钮,方便用户领券。
摇一摇,摇到什么吃什么
- 进入页面就需要开始监听用户摇动手机的动作,所以需要把监听代码放到 onShow 生命周期中。
onShow() { let _this = this let acc = true // 监听摇一摇 uni.startAccelerometer({ success: function() { // 执行摇一摇 uni.onAccelerometerChange(function(res) { let page = getCurrentPages() let currentPage = page[page.length - 1] if(currentPage.route === 'pages/eat/eat'){ if (res.x > 1 || res.y > 1 || res.z > 1) { // if (res.x > 3 || res.y > 3 || res.z > 3) { if(acc){ acc = false uni.vibrateLong({ success() { // 随机摇一个值 Array.prototype.random = function() { let idx = Math.floor(Math.random() * this .length); return this[idx]; } let arr = ['黄焖鸡米饭', '炒饭', '炒面', '木桶饭', '咖喱饭', '汉堡薯条', '披萨意面', '沙拉/轻食', '螺蛳粉', '酸辣粉', '热干面', '重庆小面', '河南焖面', '兰州拉面', '陕西凉面', '山西刀削面', '北京炸酱面', '东北烤冷面', '包子饺子', '豆浆油条', '肉夹馍', '煎饼果子', '成都冒菜', '炸鸡炸串', '麻辣香锅', '麻辣烫', '中式快餐盒饭' ]; uni.showModal({ title: '摇到了', content: arr.random(), showCancel: true, confirmText: '领券吃它', cancelText: '重新摇', success(res) { if (res.confirm) { _this.handelCoupon() } acc = true } }) } }); } } } }) } }) } 复制代码
- 通过
uni.startAccelerometer
方法监听用户摇一摇的动作
- 监听摇一摇的同时,为了避免跳出当前页之后还在监听,所以需要判断是否停留在当前页,所以需要用到
getCurrentPages
方法获取当前页的路由。
- 由于不知道用户是横着摇、竖着摇、斜着摇,所以需要判断 x、y、z三个方向的值。
- 之前写的三个值都大于 3 ,经过某些 iPhone 用户测试,发现并不那么灵敏,所以改成了 1
- 为了防止摇的时候一直出现随机值,在监听方法外部定义了一个
acc
的值,用于判断是否已经摇出来了。
- 摇出随机值之后,需要给用户一个反馈信息,所以用了
uni.vibrateLong
方法来给一个长震动,让用户手机震动500ms
随机值可以自定义,想吃什么就添加什么,摇到什么就吃什么!
体验一下
由于摇一摇和震动无法体现在文章中,所以大家可以关注我的公众号猿来是前端
底部栏有小程序菜单,亦可以直接在微信中搜索小程序嗒嗒吃喝玩乐小工具
体验哦。