微信小程序 - 时间进度条功能
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关于答题类,或者一些游戏环节的小程序需要用到时间进度条,改功能怎么实现看下面源码
<view class=\'out\' style=\'margin-top:10px\'> <view class=\'in\' style=\'width:{{progressWidth}}%\'></view> </view> <view class=\'caozuo\'> <text>{{progressTime}}秒</text> <text bindtap=\'playbtn\' data-change=\'1\'>{{playPausetips}}</text> </view>
.out {margin-left:auto;margin-right:auto;width:250px;height:20px;border:1px solid red;border-radius:20px;overflow:hidden;} .in {height:100%;background-color:red;} .caozuo{font-size:14px;color:#333;margin-left:auto;margin-right:auto;width:250px;margin-top:10px;display: flex;justify-content:space-between}
Page({ data: { progressWidth:0, progressTime:60, mark:true, playPausetips:"开始" }, playbtn() { let that = this; let mark = that.data.mark; if (mark){ that.timer = setInterval(that.run, 1000); //that.timer关键点 wx.showToast({ title: \'开始\', }) that.setData({ mark:false, playPausetips:"暂停" }) }else{ clearInterval(that.timer); wx.showToast({ title: \'暂停\', }) that.setData({ mark: true, playPausetips: "开始" }) } }, run(){ let that = this; let totalProgressTime = 60 //秒 let progressWidth = that.data.progressWidth; //显示进度 let progressTime = that.data.progressTime; //时间 if (progressWidth === 100) { wx.showToast({ title: \'结束回调处理\', }) clearInterval(that.timer); that.setData({ progressTime: totalProgressTime, //进度条需要总时间s progressWidth: 100, //进度100% progressTime: 60 }) return; } progressTime--; progressWidth = (totalProgressTime - progressTime) * (100 / 60) that.setData({ progressWidth: progressWidth, progressTime: progressTime }) } })
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