html
<view class="countdown"> <text>倒计时：</text> <text wx:for="{{countdown}}" wx:key="index">{{item}}</text> </view>ts
data: {countdown: [], // 存放倒计时数组 targetTime: '', // 目标时间戳 intervalId: null, // 定时器ID
}
startCountdown () { const that = this; // 每秒更新一次倒计时 this.data.intervalId = setInterval(function () { const now = new Date().getTime(); const diff = that.data.targetTime - now; if (diff <= 0) { // 倒计时结束，清除定时器 clearInterval(that.data.intervalId); that.setData({ countdown: ['倒计时结束'], }); } else { // 计算剩余的天、时、分、秒 const days = Math.floor(diff / (1000 * 60 * 60 * 24)); const hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)); const minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60)); const seconds = Math.floor((diff % (1000 * 60)) / 1000); that.setData({ countdown: [days, '天', hours, '时', minutes, '分', seconds, '秒'], }); } }, 1000); },onLoad: function (options) { this.setData({ targetTime: new Date('2024-04-28 16:53:10').getTime(), }); this.startCountdown(); }
)
