微信小程序验证码获取倒计时效果代码分享

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.currentTime   interval = 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 = this   that.setData({    disabled:true   })   },    })

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