从网上搜索了好多都很麻烦，花了点事件自己做了个，简单轻便，老少皆宜
<template>
<section class="pay-mask" @click="close_mask" v-show="payshow">
<div class="container">
<div class="pay_title">请输入支付密码
</div>
<div class="flex f-d-r pay_content">
<div class="ipt_pay">
<input type="password" maxlength="1" disabled>
</div>
<div class="ipt_pay">
<input type="password" maxlength="1" disabled>
</div>
<div class="ipt_pay">
<input type="password" maxlength="1" disabled>
</div>
<div class="ipt_pay">
<input type="password" maxlength="1" disabled>
</div>
<div class="ipt_pay">
<input type="password" maxlength="1" disabled>
</div>
<div class="ipt_pay">
<input type="password" maxlength="1" disabled>
</div>
</div>
</div>
<footer>
<ul class="pay_btn">
<li @click="btnpassword($event)">1</li>
<li @click="btnpassword($event)">2</li>
<li @click="btnpassword($event)">3</li>
<li @click="btnpassword($event)">4</li>
<li @click="btnpassword($event)">5</li>
<li @click="btnpassword($event)">6</li>
<li @click="btnpassword($event)">7</li>
<li @click="btnpassword($event)">8</li>
<li @click="btnpassword($event)">9</li>
<li class="b9"></li>
<li @click="btnpassword($event)">0</li>
<li class="b9" @click="btndelete">删除</li>
</ul>
</footer>
</section>
</template>
<script>
export default {
props: {
payshow: {
type: Boolean,
default: false
}
},
data() {
return {
index: -1
}
},
created() {},
mounted() {
$(".ipt_pay input:first").focus();
},
methods: {
btnpassword(e) {
var obj = e.currentTarget;
var payinput = $(".ipt_pay input");
if (this.index < 5) {
this.index ;
$(payinput[this.index]).val($(obj).text());
}
if (this.index == 5) {
var pay_pwd = '';
var payinput = $(".ipt_pay input");
for (var i = 0; i < payinput.length; i ) {
pay_pwd = $(payinput[i]).val();
}
console.log(pay_pwd);
}
},
btndelete() {
var payinput = $(".ipt_pay input");
if (this.index >= 0) {
$(payinput[this.index]).val('');
this.index--;
}
},
close_mask() {
this.payshow = false;
}
}
}
</script>
<style scoped>
img {
width: 100%;
height: 100%;
}
section {
position: fixed;
top: 0;
width: 100%;
height: 100%;
z-index: 998;
background: rgba(0, 0, 0, .6)
}
.container {
position: absolute;
top: 4rem;
background: #fff;
border-radius: 5px;
margin: 0 .533333rem;
padding-bottom: .266667rem;
}
.pay_title {
position: relative;
font-size: .48rem;
text-align: center;
color: #333;
height: 1.333333rem;
line-height: 1.333333rem;
border-bottom: 1px solid #ddd;
}
.close {
position: absolute;
right: .2rem;
top: .2rem;
width: .72rem;
height: .72rem;
}
.pay_content {
border-bottom: 1px solid #ddd;
border-top: 1px solid #ddd;
border-right: 1px solid #ddd;
margin: .533333rem .533333rem .333333rem .533333rem;
}
.ipt_pay {
width: 100%;
height: 1.333333rem;
border-left: 1px solid #ddd;
}
.ipt_pay input {
border: 0;
height: 100%;
width: 100%;
text-align: center;
font-size: .88rem;
background: #fff;
}
footer {
position: absolute;
bottom: 0;
width: 100%;
font-weight: 600;
}
.pay_btn {}
.pay_btn li {
width: 33.3333%;
float: left;
height: 1.333333rem;
line-height: 1.333333rem;
text-align: center;
background: #fff;
font-size: .48rem;
border-right: 1px solid #ddd;
border-bottom: 1px solid #ddd;
}
.pay_btn li:active {
background: #C2C2C2;
}
.b9:active {
background: #fff !important;
}
.b9 {
background: #C2C2C2 !important;
}
</style>
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![[codevs1213]解的个数 二分 + exgcd](http://pic.xiahunao.cn/[codevs1213]解的个数 二分 + exgcd)
