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wxml

1 <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     })   },

})

———————————————— 原文链接：https://blog.csdn.net/Wu_shuxuan/article/details/78539075