小编给大家分享一下微信小程序实现密码输入的方法，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！
效果如下：
实例代码：
<view class="pay">
<view class="title">支付方式</view>
<view catchtap="wx_pay" class="wx_pay">
<i class="icon {{payment_mode==1?'active':''}}" type="String"></i>
<text>微信支付</text>
</view>
<view catchtap="offline_pay" class="offline_pay">
<i class="icon {{payment_mode==0?'active':''}}" type="String"></i>
<text>对公打款</text>
</view>
<block wx:if="{{balance!=0}}">
<view catchtap="wallet_pay" class="wallet_pay">
<i class="icon {{payment_mode==2?'active':''}}" type="String"></i>
<text>钱包支付(余额:{{balance/100}}元)</text>
</view>
</block>
<block wx:if="{{balance==0}}">
<view class="wallet_pay">
<i class="icon" type="String" style="background:#e8e8e8;border:none;"></i>
<text style="color:#999">钱包支付(余额不足)</text>
</view>
</block>
</view>
<view catchtap="pay" class="save">确定</view>
<!--输入钱包密码-->
<view wx:if="{{wallets_password_flag}}" class="wallets-password">
<view class="input-content-wrap">
<view class="top">
<view catchtap="close_wallets_password" class="close">×</view>
<view class="txt">请输入支付密码</view>
<view catchtap="modify_password" class="forget">忘记密码</view>
</view>
<view class="actual_fee">
<span>￥</span>
<text>{{actual_fee/100}}</text>
</view>
<view catchtap="set_Focus" class="input-password-wrap">
<view class="password_dot">
<i wx:if="{{wallets_password.length>=1}}"></i>
</view>
<view class="password_dot">
<i wx:if="{{wallets_password.length>=2}}"></i>
</view>
<view class="password_dot">
<i wx:if="{{wallets_password.length>=3}}"></i>
</view>
<view class="password_dot">
<i wx:if="{{wallets_password.length>=4}}"></i>
</view>
<view class="password_dot">
<i wx:if="{{wallets_password.length>=5}}"></i>
</view>
<view class="password_dot">
<i wx:if="{{wallets_password.length>=6}}"></i>
</view>
</view>
</view>
<input bindinput="set_wallets_password" class="input-content" password type="number" focus="{{isFocus}}" maxlength="6" />
</view>index.js
Page({
data: {
payment_mode: 1,//默认支付方式 微信支付
isFocus: false,//控制input 聚焦
balance:100,//余额
actual_fee:20,//待支付
wallets_password_flag:false//密码输入遮罩
},
//事件处理函数
onLoad: function () {
},
wx_pay() {//转换为微信支付
this.setData({
payment_mode: 1
})
},
offline_pay() {//转换为转账支付
this.setData({
payment_mode: 0
})
},
wallet_pay() {
this.setData({//转换为钱包支付
payment_mode: 2
})
},
set_wallets_password(e) {//获取钱包密码
this.setData({
wallets_password: e.detail.value
});
if (this.data.wallets_password.length == 6) {//密码长度6位时，自动验证钱包支付结果
wallet_pay(this)
}
},
set_Focus() {//聚焦input
console.log('isFocus', this.data.isFocus)
this.setData({
isFocus: true
})
},
set_notFocus() {//失去焦点
this.setData({
isFocus: false
})
},
close_wallets_password () {//关闭钱包输入密码遮罩
this.setData({
isFocus: false,//失去焦点
wallets_password_flag: false,
})
},
pay() {//去支付
pay(this)
}
})
/*-----------------------------------------------*/
/*支付*/
function pay(_this) {
let apikey = _this.data.apikey;
let id = _this.data.id;
let payment_mode = _this.data.payment_mode
if (payment_mode == 1) {
// 微信支付
// 微信自带密码输入框
console.log('微信支付')
} else if (payment_mode == 0) {
// 转账支付 后续跳转至传转账单照片
console.log('转账支付')
} else if (payment_mode == 2) {
// 钱包支付 输入密码
console.log('钱包支付')
_this.setData({
wallets_password_flag: true,
isFocus: true
})
}
}
// 钱包支付
function wallet_pay(_this) {
console.log('钱包支付请求函数')
/*
1.支付成功
2.支付失败：提示；清空密码；自动聚焦isFocus:true，拉起键盘再次输入
*/
}index.wxss
page {
height: 100%;
width: 100%;
background: #e8e8e8;
}
page .pay {
display: flex;
flex-direction: column;
background: #fff;
}
page .pay .title {
height: 90rpx;
line-height: 90rpx;
font-size: 28rpx;
color: #353535;
padding: 0 23rpx;
border-bottom: 1rpx solid #ddd;
box-sizing: border-box;
}
page .pay .wx_pay, page .pay .offline_pay, page .pay .wallet_pay {
margin: 0 26rpx;
height: 90rpx;
line-height: 90rpx;
border-bottom: 2rpx solid #ddd;
box-sizing: border-box;
display: flex;
align-items: center;
justify-content: flex-start;
}
page .pay .wx_pay .icon, page .pay .offline_pay .icon,
page .pay .wallet_pay .icon {
width: 34rpx;
height: 34rpx;
border: 2rpx solid #ddd;
box-sizing: border-box;
border-radius: 50%;
}
page .pay .wx_pay .icon.active, page .pay .offline_pay .icon.active,
page .pay .wallet_pay .icon.active {
border: 10rpx solid #00a2ff;
}
page .pay .wx_pay text, page .pay .offline_pay text, page .pay .wallet_pay text {
margin-left: 20rpx;
color: #353535;
font-size: 26rpx;
}
page .pay .wallet_pay {
border: 0;
border-top: 2rpx solid #ddd;
}
page .pay .offline_pay {
border: 0 none;
}
page .save {
margin: 80rpx 23rpx;
color: #fff;
background: #00a2ff;
height: 88rpx;
line-height: 88rpx;
text-align: center;
font-size: 30rpx;
border-radius: 10rpx;
}
page .wallets-password {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.6);
}
page .wallets-password .input-content-wrap {
position: absolute;
top: 200rpx;
left: 50%;
display: flex;
flex-direction: column;
width: 600rpx;
margin-left: -300rpx;
background: #fff;
border-radius: 20rpx;
}
page .wallets-password .input-content-wrap .top {
display: flex;
align-items: center;
height: 90rpx;
border-bottom: 2rpx solid #ddd;
justify-content: space-around;
}
page .wallets-password .input-content-wrap .top .close {
font-size: 44rpx;
color: #999;
font-weight: 100;
}
page .wallets-password .input-content-wrap .top .forget {
color: #00a2ff;
font-size: 22rpx;
}
page .wallets-password .input-content-wrap .actual_fee {
display: flex;
align-items: center;
justify-content: center;
color: #000;
height: 100rpx;
margin: 0 23rpx;
border-bottom: 2rpx solid #ddd;
}
page .wallets-password .input-content-wrap .actual_fee span {
font-size: 24rpx;
}
page .wallets-password .input-content-wrap .actual_fee text {
font-size: 36rpx;
}
page .wallets-password .input-content-wrap .input-password-wrap {
display: flex;
align-items: center;
justify-content: center;
height: 150rpx;
}
page .wallets-password .input-content-wrap .input-password-wrap .password_dot {
display: flex;
align-items: center;
justify-content: center;
text-align: center;
color: #000;
box-sizing: border-box;
width: 90rpx;
height: 90rpx;
border: 2rpx solid #ddd;
border-left: none 0;
}
page .wallets-password .input-content-wrap .input-password-wrap .password_dot:nth-child(1) {
border-left: 2rpx solid #ddd;
}
page .wallets-password .input-content-wrap .input-password-wrap .password_dot i {
background: #000;
border-radius: 50%;
width: 20rpx;
height: 20rpx;
}
page .wallets-password .input-content {
position: absolute;
opacity: 0;
left: -100%;
top: 600rpx;
background: #f56;
z-index: -999;
}
page .wallets-password .input-content.active {
z-index: -99;
}看完了这篇文章，相信你对“微信小程序实现密码输入的方法”有了一定的了解，如果想了解更多相关知识，欢迎关注亿速云行业资讯频道，感谢各位的阅读！
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