微信小程序验证码倒计时60秒

wxml

< button class= "buttonget" disabled= "{{disabled}}" data-id= "2" bindtap= "getBtn" >

{{time}}

button >

wxss

/*获取验证码 */

.buttonget {

background-color: #fff;

display: inline-block;

font-size: 26 rpx;

color: rgb( 136, 136, 136 );

border: 1px solid #888;

border-radius: 10 rpx;

width: 160 rpx;

height: 70 rpx;

line-height: 70 rpx;

position: absolute;

top: 0;

right: 20 rpx;

z-index: 2;

padding-right: 0;

padding-left: 0;

margin-top: 10 rpx;

}

js

//验证码倒计时函数

getCode: function (options) {

var that = this;

var currentTime = that.data.currentTime;

that.setData({

time: currentTime + '秒'

})

interval = setInterval( function () {

that.setData({

time: (currentTime - 1) + '秒'

})

currentTime--;

if (currentTime <= 0) {

clearInterval(interval)

that.setData({

time: '重新获取',

currentTime: 60,

disabled: false

})

}

}, 1000)

},

//验证码倒计时结束