微信小程序车牌键盘

项目背景

公司要做一个停车场微信小程序，支持临时车预支付以及支付记录查询等功能,其中涉及车牌输入的功能，为了提升用户体验，避免繁琐的输入，决定自己写一个键盘。

效果图如下

省份简写键盘如下:

省份简写键盘

英文简写键盘如下:

英文简写键盘

源代码

目录结构

目录结构

wxml文件内容

<view wx:if="{{isShow}}" class="vehicle-panel" style="height:430rpx;background-color:{{backgroundColor}}">
  <!--省份简写键盘-->
  <block wx:if="{{keyBoardType === 1}}">
    <view class="vehicle-panel-row">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button' style="border:{{buttonBorder}}" wx:for="{{keyVehicle1}}" bindtap='vehicleTap' data-value="{{item}}" wx:for-index="idx" wx:key="idx">{{item}}</view>
    </view>
    <view class="vehicle-panel-row">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button' style="border:{{buttonBorder}}" wx:for="{{keyVehicle2}}" bindtap='vehicleTap' data-value="{{item}}" wx:for-index="idx" wx:key="idx">{{item}}</view>
    </view>
    <view class="vehicle-panel-row">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button' style="border:{{buttonBorder}}" wx:for="{{keyVehicle3}}" bindtap='vehicleTap' data-value="{{item}}" wx:for-index="idx" wx:key="idx">{{item}}</view>
    </view>
    <view class="vehicle-panel-row-last">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button vehicle-panel-row-button-last' bindtap='vehicleTap' data-value="{{item}}" wx:for="{{keyVehicle4}}" style="border:{{buttonBorder}}" wx:for-index="idx" wx:key="idx">{{item}}</view>
    </view>
  </block>
  <!--英文键盘  -->
  <block wx:else>
    <view class="vehicle-panel-row">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button vehicle-panel-row-button-number' bindtap='vehicleTap' data-value="{{item}}" wx:for="{{keyNumber}}" style="border:{{buttonBorder}}" wx:for-index="idx" wx:key="item">{{item}}</view>
    </view>
    <view class="vehicle-panel-row">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button' style="border:{{buttonBorder}}" wx:for="{{keyEnInput1}}" bindtap='vehicleTap' data-value="{{item}}" wx:for-index="idx"  wx:key="idx">{{item}}</view>
    </view>
    <view class="vehicle-panel-row">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button' style="border:{{buttonBorder}}" wx:for="{{keyEnInput2}}" bindtap='vehicleTap' data-value="{{item}}" wx:for-index="idx" wx:key="idx">{{item}}</view>
      <view hover-class="vehicle-hover" style="border:{{buttonBorder}}" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button vehicle-panel-row-button-img'>
        <image src='./delete.svg' class='vehicle-en-button-delete' bindtap='vehicleTap' data-value="delete" mode='aspectFit'>删除</image>
      </view>
    </view>
    <view class="vehicle-panel-row-last">
      <view hover-class="vehicle-hover" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button vehicle-panel-row-button-last' bindtap='vehicleTap' style="border:{{buttonBorder}}" data-value="{{item}}" wx:for="{{keyEnInput3}}" wx:for-index="idx" wx:key="idx">{{item}}</view>
      <view hover-class="vehicle-hover" style="border:{{buttonBorder}}" hover-start-time="10" hover-stay-time="100" class='vehicle-panel-row-button vehicle-panel-ok' bindtap='vehicleTap' data-value="ok">确定</view>
    </view>
  </block>
</view>

json文件

{
  "component": true
}

js文件

Component({
 
  externalClasses: ['v-panel'],
 
  properties: {
    isShow: {
      type: Boolean,
      value: false,
    },
    buttonBorder: {
      type: String,
      value: "1px solid #ccc"
    },
    backgroundColor:{
      type: String,
      value: "#fff"
    },
    //1为省份键盘，其它为英文键盘
    keyBoardType: {
      type: Number,
      value: 1,
    }
  },
  data: {
    keyVehicle1: '陕京津沪冀豫云辽',
    keyVehicle2: '黑湘皖鲁新苏浙赣',
    keyVehicle3: '鄂桂甘晋蒙吉闽贵',
    keyVehicle4: '粤川青藏琼宁渝',
    keyNumber: '1234567890',
    keyEnInput1: 'QWERTYUIOP',
    keyEnInput2: 'ASDFGHJKL',
    keyEnInput3: 'ZXCVBNM',
  },
  methods: {
    vehicleTap: function (event) {
      let val = event.target.dataset.value;
      switch (val){
        case 'delete':
          this.triggerEvent('delete');
          this.triggerEvent('inputchange');
        break;
        case 'ok':
          this.triggerEvent('ok');
        break;
        default:
          this.triggerEvent('inputchange', val);
      }
    },
  }
});

wxss文件

:host {
  width: 100%;
}
.vehicle-panel {
  width: 100%;
  position: fixed;
  bottom: 0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  z-index: 1000;
}
.vehicle-panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.vehicle-panel-row-last{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.vehicle-panel-row-button {
  background-color: #fff;
  margin: 5rpx;
  padding: 5rpx;
  width: 80rpx;
  height: 80rpx;
  text-align: center;
  line-height: 80rpx;
  border-radius: 10rpx;
}
.vehicle-panel-row-button-number {
  background-color: #eee;
}
.vehicle-panel-row-button-last {
  width: 90rpx;
  height: 90rpx;
  line-height: 90rpx;
}
.vehicle-hover {
  background-color: #ccc;
}
.vehicle-panel-row-button-img {
  display: flex;
  justify-content: center;
  align-items: center;
}
.vehicle-en-button-delete {
  width: 55rpx;
  height: 85rpx;
}
.vehicle-panel-ok {
  background-color: #0F4BA1;
  color: #fff;
  width: 150rpx;
  height: 80rpx;
}

使用方式

示例

<v-panel is-show="{{isShow}}" bindok="inputOk" binddelete="inputdelete" bindinputchange="inputChange" key-board-type="{{keyBoardType}}" backgroundColor="white" />

属性

属性名称	类型	默认值	说明
isShow	布尔(boolean)	false	控制键盘是否显示,true显示，false不显示
buttonBorder	字符串(String)	"1px solid #ccc"	控制键盘按钮边框，同css border属性
backgroundColor	字符串(String)	#fff	控制键盘背景色,同css
keyBoardType	数字(Number)	1	控制键盘显示类型,1为省份简写,2为英文简写

事件

事件名称	触发情况	返回值
delete	删除按钮按下的时候触发	微信事件
ok	确定按钮按下时触发	微信事件
inputchange	输入按钮按下或者删除按钮按下时触发	输入的值

完毕!

以上代码仅供大家学习交流

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