data: {
timer: '',
countDownNum: '获取验证码'
},
clickDown: function () {
var that = this;
let countDownNum = '60'; // 倒计时60秒
that.setData({
timer: setInterval(() => {
countDownNum--;
that.setData({
countDownNum: countDownNum + 's后重新获取'
})
if (countDownNum <= 0) {
clearInterval(that.data.timer); // 移除定时器
that.setData({
countDownNum: '获取验证码'
})
}
}, 1000)
})
}
小程序实现获取短信验证码倒计时
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转载自www.cnblogs.com/yuanchao-blog/p/12672984.html
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