微信小程序 —— 验证码获取倒计时效果

wxml

<button disabled='{{disabled}}' data-id="2" bindtap="getVerificationCode">{{time}}</button>

js

var interval = null //倒计时函数Page({data: {date:'请选择日期',fun_id:2,time: '获取验证码', //倒计时 currentTime:61}, getCode: function (options){var that = this;var currentTime = that.data.currentTimeinterval = setInterval(function () {currentTime--;that.setData({time: currentTime+'秒'})if (currentTime <= 0) {clearInterval(interval)that.setData({time: '重新发送',currentTime:61,disabled: false })}}, 100) },getVerificationCode(){this.getCode();var that = thisthat.setData({disabled:true})},})