Small program development toilet radar example sharing
Emergency~ Can’t find the toilet? A bolt from the blue, a pop of pants? That’s it~~ Come and use the toilet radar~~~. As an excellent poster, Fatty, I not only wrote the code, but also thought about the number of advertisements. Wow~~~~ "The faster you find the toilet, the faster you line up."
I saw a "toilet radar" in the practice area and tried it. It was mainly to practice the "basic usage of controls" and "interaction between pages" of the mini program. CSS still gave me a headache, but it was better than last time. The demo "rock paper scissors" is much better HOHO. (PS: There are several pages. Just paste the code of the homepage first. Friends who want to see it can download it and then we can communicate with each other. Comments have been written. Oh, by the way, a new sharing function has also been added. Of course, the advertising words have been written in the sharing)
The picture is directly below:
//index.js var app = getApp() var winHeight = 0 var winWidth = 0 Page({ data: { //背景图片,现在没有 img:'/pages/image/123.png', //确定左边距距离,上边距距离,厕所title,头像 dataArr:[{'left':200,'top':100,'title':'我家厕所最好','img':'/pages/image/1.png'}, {'left':20,'top':400,'title':'amis的小屋','img':'/pages/image/2.png'}, {'left':540,'top':440,'title':'老丁的宝盆','img':'/pages/image/3.png'}, {'left':240,'top':800,'title':'雪姐专用坑','img':'/pages/image/4.png'}] }, //进页面后获取数据 onLoad: function () { console.log('onLoad') var that = this //调用应用实例的方法获取全局数据 app.getUserInfo(function(userInfo){ console.log(userInfo) //更新数据 that.setData({ userInfo:userInfo }) }) //获取数据 wx.getSystemInfo({ success: function(res) { console.log(res) winHeight = res.windowHeight; winWidth = res.windowWidth; } }) // 使用 wx.createContext 获取绘图上下文 context var context = wx.createContext() context.arc(winWidth/2, winHeight/2, 50, 0, 2 * Math.PI, true) context.arc(winWidth/2, winHeight/2, 100, 0, 2 * Math.PI, true) context.arc(winWidth/2, winHeight/2, 150, 0, 2 * Math.PI, true) context.arc(winWidth/2, winHeight/2, 200, 0, 2 * Math.PI, true) context.arc(winWidth/2, winHeight/2, 250, 0, 2 * Math.PI, true) context.arc(winWidth/2, winHeight/2, 300, 0, 2 * Math.PI, true) context.setStrokeStyle('red') context.setLineWidth(1) context.stroke() // 调用 wx.drawCanvas,通过 canvasId 指定在哪张画布上绘制,通过 actions 指定绘制行为 wx.drawCanvas({ canvasId: 'radar', actions: context.getActions() // 获取绘图动作数组 }) }, onShareAppMessage: function() { // 用户点击右上角分享 return { title: '厕所雷达', // 分享标题 desc: '厕所找的快,排的才痛快', // 分享描述 path: 'path' // 分享路径 } } }) wxml: <!--index.wxml--> <canvas canvas-id="radar"> <image class="userinfo" src="{{userInfo.avatarUrl}}"></image> <block wx:for="{{dataArr}}"> <navigator url="../logs/logs?title={{item.title}}&img={{item.img}}"> <view class="toiletView" style="left:{{item.left}}rpx;top:{{item.top}}rpx" bindtap="toiletDetails" id="{{index}}"> <image class="toiletView-image" src="{{item.img}}"></image> <text class="toiletView-text">{{item.title}}</text> </view> </navigator> </block> </canvas> wxss: /**index.wxss**/ page{ background: black; height: 100%; } canvas{ width: 100%; height: 100%; } .userinfo { position:absolute; top: 561rpx; left:311rpx; width: 128rpx; height: 128rpx; border-radius: 50%; } .toiletView{ position:absolute; width: 180rpx; height: 180rpx; } .toiletView-image{ position:absolute; left: 13px; top: 0px; width: 128rpx; height: 128rpx; border-radius: 50%; } .toiletView-text{ position:absolute; bottom: 10rpx; font-size: 30rpx; color: orangered; width: 180rpx; text-align: center; }
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