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微信小程序自定義鍵盤 內(nèi)部虛擬支付

 更新時間：2018年12月20日 16:45:47   作者：子謙呀  
這篇文章主要為大家詳細介紹了微信小程序自定義鍵盤，內(nèi)部虛擬支付，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了微信小程序自定義鍵盤的具體代碼，供大家參考，具體內(nèi)容如下

先看效果圖 ：

微信支付的話，調(diào)用微信支付接口是有自己的小鍵盤的，因為小程序沒有內(nèi)部鍵盤,所以有時候商城內(nèi)部需要零錢支付 ,會員卡支付,輸入密碼就需要自己做一個小鍵盤了。

 css  跟  html不做過多說明 直接照搬就行   頁面上面的3個小圖片就不提供了 js 部分做了詳細注釋

<view class="popup-memu">
 <view class="line" style="background-color: rgb(255, 255, 255)"></view>
 <view class="payMode" bindtap="pay" data-pay_type='weipay'>
  <image src="/images/wechat.png"></image>
  <text style="width:70%">微信</text>
  <image src="/images/arrows-right.png"></image>
 </view>
 <view class="payMode" bindtap="pay" data-pay_type='1'>
  <image src="/images/vip.png"></image>
  <text style="width:70%">會員卡</text>
  <image src="/images/arrows-right.png"></image>
 </view>
 <view class="payMode" bindtap="pay" data-pay_type='2'>
  <image src="/images/payPacket.png"></image>
  <text style="width:70%">零錢</text>
  <image src="/images/arrows-right.png"></image>
 </view>
</view>
 <!-- 密碼框帶鍵盤 -->
<action-sheet hidden="{{passwordInputHidden}}" bindchange="passwordInputHidden">
 <view class='password-input'>
  <view>
   <text style="display:{{inputPassword[0]?'':'none'}}"></text>
  </view>
  <view>
   <text style="display:{{inputPassword[1]?'':'none'}}"></text>
  </view>
  <view>
   <text style="display:{{inputPassword[2]?'':'none'}}"></text>
  </view>
  <view>
   <text style="display:{{inputPassword[3]?'':'none'}}"></text>
  </view>
  <view>
   <text style="display:{{inputPassword[4]?'':'none'}}"></text>
  </view>
  <view>
   <text style="display:{{inputPassword[5]?'':'none'}}"></text>
  </view>
 </view>
 <view class='tips'>請輸入支付密碼(
  <text>-￥100</text>)</view>
 <view class='keyboard'>
  <view class='left number'>
   <view data-key="1" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>1</view>
   <view data-key="2" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>2</view>
   <view data-key="3" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>3</view>
   <view data-key="4" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>4</view>
   <view data-key="5" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>5</view>
   <view data-key="6" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>6</view>
   <view data-key="7" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>7</view>
   <view data-key="8" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>8</view>
   <view data-key="9" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>9</view>
   <view data-key="X" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>X</view>
   <view data-key="0" hover-class='active' hover-stay-time='100' bindtap='inputPassword'>0</view>
   <view data-key="." hover-class='active' hover-stay-time='100' bindtap='inputPassword'>.</view>
  </view>
  <view class='right ctr-btn'>
   <view class='ctr-btn-item' hover-class='active' hover-stay-time='100' bindtap='clear'>
    <label class='iconfont icon-shanchu'></label>
   </view>
   <view class='ctr-btn-item' hover-class='active' hover-stay-time='100' bindtap='passwordInputHidden'>取消</view>
  </view>
 </view>
</action-sheet>

CSS: 

.popup-memu {
 width: 100%;
 background-color: white;
 border-top: 1px solid #dedbd5;
 border-bottom: 1px solid #eee;
 display: block;
}
 
.line {
 background-color: #eee;
 margin-left: 10px;
 height: 1px;
 margin-right: 10px;
}
 
.popup-memu {
 height: 50px;
 font-size: 15px;
 line-height: 50px;
 border-bottom: 1px solid #eee;
}
 
.payMode {
 display: flex;
 background: #fff;
 align-items: center;
 border-bottom: 2px solid #eee;
}
 
.payMode image {
 width: 30px;
 height: 30px;
 margin-left: 18px;
 margin-right: 10px;
}
 
.sheet-content {
 background-color: #fff;
 padding: 0 15rpx;
}
/* 鍵盤 */
.password-input {
 display: flex;
 width: 660rpx;
 border: 1px solid #ddd;
 margin: 0 auto;
 margin-top: 50rpx;
 background-color: #fff;
 border-radius: 3px;
}
 
.password-input view {
 width: 110rpx;
 height: 80rpx;
 display: flex;
 align-items: center;
 justify-content: center;
 box-sizing: border-box;
 border-right: 1px solid #ccc;
}
 
.password-input view:nth-child(6) {
 border-right: none;
}
 
.password-input view text {
 width: 6px;
 height: 6px;
 border-radius: 50%;
 background-color: #333;
}
 
.tips {
 font-size: 28rpx;
 text-align: center;
 margin-top: 5px;
}
 
.tips text {
 color: #c30;
}
 
.keyboard {
 width: 100%;
 display: flex;
 background-color: #fff;
 border-top: 1px solid #eee;
 margin-top: 50rpx;
}
 
.keyboard .number {
 display: flex;
 width: 570rpx;
 flex-wrap: wrap;
}
 
.keyboard .number view {
 width: 190rpx;
 height: 120rpx;
 line-height: 120rpx;
 text-align: center;
 font-size: 46rpx;
 font-weight: bold;
 box-sizing: border-box;
 border-right: 1px solid #eee;
 border-bottom: 1px solid #eee;
}
 
.keyboard .ctr-btn {
 width: 180rpx;
}
 
.keyboard .ctr-btn view {
 height: 240rpx;
 line-height: 240rpx;
 text-align: center;
 box-sizing: border-box;
 border-bottom: 1px solid #eee;
}
 
.keyboard .ctr-btn view .iconfont {
 font-size: 44rpx !important;
 color: #c30;
}
 
.keyboard .ctr-btn view:nth-child(2) {
 font-size: 46rpx;
 color: #c30;
}
 
.keyboard .active {
 background-color: #e4e7ed;
}
 
.activity {
 background-color: #fff;
 padding: 25rpx 20rpx;
 display: flex;
 align-items: center;
 justify-content: space-between;
 font-size: 24rpx;
 border-bottom: 1px solid #f6f6f6;
}
 
.activity.activity-item {
 font-size: 26rpx;
}
 
.arrows-right {
 width: 30rpx;
 height: 30rpx;
}
 
.arrows-right.active {
 transform: rotate(270deg);
}
/* 鍵盤結(jié)束 */

 js:

Page({
 
 /**
  * 頁面的初始數(shù)據(jù)
  */
 data: {
  inputPassword: '', //輸入的密碼
  passwordInputHidden: true,//hidden是true 默認隱藏
  pay_type: '',//支付方式
  password: 123456,//設(shè)置的密碼 這里寫死 實際開發(fā)中后臺專門設(shè)置一個表存儲用戶設(shè)置的密碼
 },
 
 /**
  * 生命周期函數(shù)--監(jiān)聽頁面加載
  */
 onLoad: function (options) {
 
 },
 
 pay(e) {
  //你選擇的支付方式
  var pay_type = e.currentTarget.dataset.pay_type;
  var _this = this;
  if (pay_type == 'weipay') { 
   //此處寫入微信支付需要執(zhí)行的代碼不做過多介紹
  } else { 
   //內(nèi)部支付 打開鍵盤
   _this.passwordInputHidden();
  }
 },
 
 
 inputPassword(e) {
  //鍵盤輸入的密碼 賦值給inputPassword
  this.data.inputPassword = this.data.inputPassword + e.currentTarget.dataset.key;
  this.setData({
   inputPassword: this.data.inputPassword
  });
  //當輸入密碼正確時 
  if (this.data.inputPassword.length == 6 && this.data.password == this.data.inputPassword) {
  
   this.passwordInputHidden();//關(guān)閉小鍵盤
  }
   //當輸入密碼錯誤時 給個提示 并且把輸入的密碼清零
  if (this.data.inputPassword.length == 6 && this.data.password != this.data.inputPassword) {
   wx.showModal({
    title: "提示",
    content: "輸入密碼錯誤",
   })
   this.setData({
    inputPassword: ''
   });
  }
 },
 passwordInputHidden() {
  this.setData({
   passwordInputHidden: !this.data.passwordInputHidden //取反 打開關(guān)閉小鍵盤
  });
  this.setData({
   inputPassword: ''
  });
 },
 //刪除輸入錯誤的密碼
 clear() {
  var index = this.data.inputPassword.length;
  if (index > 0) {
   var inputPassword = this.data.inputPassword.substr(0, index - 1);
   this.setData({
    inputPassword: inputPassword
   });
  }
 },
 
})

以上就是本文的全部內(nèi)容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。

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