微信小程序---实现输入手机验证码功能
2021/8/25 14:36:00
本文主要是介绍微信小程序---实现输入手机验证码功能,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
*** html部分
<view class='container'>
<view class='main-title' bindtap="test">
输入短信验证码
</view>
<view class="sub-title">
已向<text class="phone">139****9999</text>发送验证码
</view>
<view class="code-box" bindtap="getFocus">
<view class="{{code.length==0?'active':'input-box'}}">{{code[0]}}</view>
<view class="{{code.length==1?'active':'input-box'}}">{{code[1]}}</view>
<view class="{{code.length==2?'active':'input-box'}}">{{code[2]}}</view>
<view class="{{code.length==3?'active':'input-box'}}">{{code[3]}}</view>
<view class="{{code.length==4?'active':'input-box'}}">{{code[4]}}</view>
<view class="{{code.length==5?'active':'input-box'}}">{{code[5]}}</view>
</view>
<input bindinput="getCode" class="input-number" type="number" focus="{{isFocus}}" maxlength="6" />
<view class="time-box">
<view class="regain" hover-class="btn-hover" wx:if="{{isRegain}}" bindtap="regain">重新获取验证码</view>
<view class="regain-info" wx:else>
<text class="time">{{time}}</text>后可重新获取短信
</view>
</view>
*** css部分
page{
width: 100%;
height: 100%;
overflow: hidden;
}
.container{
padding-top: 260rpx;
width: 100%;
height: 100%;
background-color: #fafafa;
}
.container .main-title{
font-size: 40rpx;
color: #333;
text-align: center;
font-weight: bold;
margin-bottom: 20rpx;
}
.container .sub-title{
font-size: 30rpx;
color: #666;
text-align: center;
}
.container .sub-title .phone{
font-size: 30rpx;
color: #333;
font-weight: bold;
}
.container .code-box{
width: 510rpx;
height: 80rpx;
margin-left: auto;
margin-right: auto;
display: flex;
justify-content: space-between;
margin-top: 80rpx;
}
.container .code-box .input-box{
height: 80rpx;
width: 72rpx;
box-sizing: border-box;
border: solid 1rpx #d7d7d7;
text-align: center;
line-height: 80rpx;
color: #333;
font-size: 34rpx;
}
.container .code-box .active{
height: 80rpx;
width: 72rpx;
box-sizing: border-box;
border: solid 1rpx #d7d7d7;
text-align: center;
line-height: 80rpx;
color: #333;
font-size: 34rpx;
border-color: #3399cc;
}
.container .input-number{
opacity: 0;
position: absolute;
z-index: -1;
height: 0rpx;
width: 0rpx;
}
.container .time-box{
margin-top: 150rpx;
text-align: center;
font-size: 30rpx;
}
.container .time-box .regain{
color: #3399cc;
}
.container .time-box .regain-info{
color: #b5b5b5;
}
*** js部分
data: {
isFocus:true,
code: "",
isRegain:false,
timer:null,
time:20,
},
/* 生命周期函数--监听页面加载 */
onLoad: function (options) {
this.countdown();
},
regain(){
this.setData({
isRegain: false,
});
this.countdown();
},
getFocus(){
this.setData({
isFocus: true,
});
},
getCode(e){
console.log(e)
this.setData({
code: e.detail.value
});
},
countdown(){
var currentTime = this.data.time
let timer=setInterval(()=>{
currentTime--;
this.setData({
time: currentTime
})
if (currentTime <= 0) {
clearInterval(timer)
this.setData({
time: 20,
isRegain:true,
})
}
},1000)
},
})
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