code学习

APICloud AVM框架封装车牌号输入键盘组件

APICloud AVM框架 封装车牌号输入键盘组件实例分享。封装了车牌号输入键盘,支持燃油汽车、新能源车辆、教练车、挂车、警车5种模式。针对输入的车牌号进行了正则验证。

如有其他类型的车牌需要输入,可在此基础上进行添加即可,主要是控制号牌长度和一些固定的字。

组件引用

import '../../components/car-num-keyboard.stml'

组件使用

<car-num-keyboard v-bind:mode={mode} v-if="isSetCarNum" oncancal="claseKeyboard" ongetNum="getCarNum"></car-num-keyboard>

组件文件

car-num-keyboard.stml

<template>

<view class={"keyboard-box-bg" + (transition?' keyboard-box-bg-transition':'')}>

<view style="height:100%;"></view>

<view class={"keyboard-box" + (transition?' keyboard-box-transition':'')}>

<view class="header">

<text @click="cancelLicense">取消</text>

<text>{licenseType}</text>

<text @click="successLicense">完成</text>

</view>

<view class="license-number">

<view class="license-number-item" v-for="item in licenseNumber">

<text>{item}</text>

</view>

</view>

<view class="keyboard">

<view class="keyboard-item" v-for="item in provinces" data-value={item} @click="setNumber" v-show="!isProvince">

<text class="keyboard-item-title">{item}</text>

</view>

<view class="keyboard-item-key" v-for="item in licenseKey" data-value={item} @click="setNumberKey" v-show="isProvince">

<text class="keyboard-item-title">{item}</text>

</view>

<image class="keyboard-item-ico" src='../../image/key-back.png' mode="widthFix" @click="delLicenseNUmber"></image>

</view>

</view>

<safe-area></safe-area>

</view>

</template>

<script>

export default {

name: 'car-num-keyboard',

installed(){

if(this.props.mode=='new'){

this.data.licenseNumber=['','','','','','','',''];

this.data.licenseType='新能源汽车号牌';

this.data.numberLength = 8;

}

else if(this.props.mode=='trailer'){

this.data.licenseNumber=['','','','','','','挂'];

this.data.licenseType='挂车号牌';

this.data.numberLength = 6;

}

else if(this.props.mode=='instructional'){

this.data.licenseNumber=['','','','','','','学'];

this.data.licenseType='挂车号牌';

this.data.numberLength = 6;

}

else if(this.props.mode=='police'){

this.data.licenseNumber=['','','','','','','警'];

this.data.licenseType='警车号牌';

this.data.numberLength = 6;

}

else{

this.data.licenseNumber = ['', '', '', '', '', '', ''];

this.data.licenseType='燃油汽车号牌';

this.data.numberLength = 7;

}     

this.data.keyBoards = this.data.licenseKey;

setTimeout(()=>{

this.data.transition = true;

}, 50);

},

props:{

mode:String

},

data() {

return{

provinces: ['京', '津', '冀', '晋', '蒙', '辽', '吉', '黑', '沪', '苏', '浙', '皖', '闽', '赣', '鲁', '豫', '鄂', '湘', '粤', '桂', '琼', '渝', '川', '贵', '云', '藏', '陕', '甘', '青', '宁', '新'],         

licenseNumber: [],

licenseKey: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'],

keyBoards: [],

isProvince: false,

licenseNumberIndex: 0,

licenseType: '燃油汽车号牌',

mode:'',

numberLength:7,

transition: false

}

},

methods: {

setNumber(e) {

if (this.data.licenseNumberIndex == 0) {

this.data.licenseNumber[0] = e.dataset.value;

this.data.licenseNumberIndex += 1;

this.data.isProvince = true;

}

},

setNumberKey(e) {

if (this.data.licenseNumberIndex < this.data.numberLength) {

this.data.licenseNumber[this.data.licenseNumberIndex] = e.dataset.value;

this.data.licenseNumberIndex += 1;

}

},

delLicenseNUmber() {

this.data.licenseNumberIndex -= 1;

if (this.data.licenseNumberIndex == 0) {

this.data.isProvince = false;

}

this.data.licenseNumber[this.data.licenseNumberIndex] = '';

},

cancelLicense() {

this.fire('cancal','');

},

successLicense() {

let licenseNumber = this.data.licenseNumber.join('');

//校验车牌号

const carReg=/^(([京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领][A-Z](([0-9]{5}[DF])|([DF]([A-HJ-NP-Z0-9])[0-9]{4})))|([京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼使领][A-Z][A-HJ-NP-Z0-9]{4}[A-HJ-NP-Z0-9挂学警港澳使领]))$/;

if(!carReg.test(licenseNumber)){

api.confirm({

title: '提醒',

msg: '您输入的车牌号可能无效,是否继续使用?',

buttons: ['确定', '取消']

}, (ret, err) => {

// var index = ret.buttonIndex;

if(ret.buttonIndex==1){

this.fire('getNum',{carNum:licenseNumber,mode:this.props.mode});

}

});

}

else{

this.fire('getNum',{carNum:licenseNumber,mode:this.props.mode});

}    

}

}

}

</script>

<style>

.keyboard-box-bg{

position: absolute;

width: 100%;

height: 100%;

transition-property: background-color;

transition-duration: 0.3s;

}

.keyboard-box-bg-transition{

}

.keyboard-box{

align-items: center;

position: absolute;

bottom: 0;

width: 100%;

box-sizing: border-box;

transform: translateY(100%);

transition-property: transform;

transition-duration: 0.3s;

}

.keyboard-box-transition{

transform: translateY(0);

}

.header {

flex-flow: row nowrap;

justify-content: space-between;

align-items: center;

padding: 8px 15px;

width: 100%;

}

.license-number {

flex-flow: row nowrap;

justify-content: space-between;

align-items: center;

padding: 30px;

width: 100%;

}

.license-number-item {

width: 10%;

justify-content: center;

align-items: center;

border: 0.5px solid #cccccc;

border-radius: 5px;

padding: 5px 0;

min-height: 35px;

}

.keyboard {

width: 100%;

}

.keyboard {

flex-flow: row wrap;

align-items: center;

padding: 0 10px 10px 10px;

}

.keyboard-item {

width: 12.5%;

justify-content: center;

align-items: center;

}

.keyboard-item-key {

width: 10%;

justify-content: center;

align-items: center;

}

.keyboard-item-title {

border: 0.5px solid #ccc;

border-radius: 5px;

padding: 5px 10px;

margin: 10px 0;

}

.keyboard-item-ico {

width: 30px;

margin-left: 10px;

}

</style>

示例代码

<template>

<view class="page">

<safe-area></safe-area>

<view class="car-box" data-mode="oil" @click="openCarNumKeyboard">

<text class="car-label">燃油汽车号牌</text>

<text class="car-num">{carNumber}</text>

</view>

<view class="car-box" data-mode="new" @click="openCarNumKeyboard">

<text class="car-label">新能源汽车号牌</text>

<text class="car-num">{carNumber1}</text>

</view>

<view class="car-box" data-mode="trailer" @click="openCarNumKeyboard">

<text class="car-label">挂车号牌</text>

<text class="car-num">{carNumber2}</text>

</view>

<view class="car-box" data-mode="instructional" @click="openCarNumKeyboard">

<text class="car-label">教练车号牌</text>

<text class="car-num">{carNumber3}</text>

</view>

<view class="car-box" data-mode="police" @click="openCarNumKeyboard">

<text class="car-label">警车号牌</text>

<text class="car-num">{carNumber4}</text>

</view>

<car-num-keyboard v-bind:mode={mode} v-if="isSetCarNum" oncancal="claseKeyboard" ongetNum="getCarNum"></car-num-keyboard>

</view>

</template>

<script>

import '../../components/car-num-keyboard.stml'

export default {

name: 'license-number',

apiready(){

},

data() {

return{

carNumber:'',

carNumber1:'',

carNumber2:'',

carNumber3:'',

carNumber4:'',

isSetCarNum:false,

mode:''

}

},

methods: {

openCarNumKeyboard(e){

this.data.mode = e.dataset.mode;

this.data.isSetCarNum = true;//传递动态值 先传值初始化元素

},

claseKeyboard(e){

this.data.isSetCarNum = false;

this.data.mode = '';

},

getCarNum(e){

this.data.isSetCarNum = false;

if(e.detail.mode=='new'){

this.data.carNumber1=e.detail.carNum;

}

else if(e.detail.mode=='trailer'){

this.data.carNumber2=e.detail.carNum;

}

else if(e.detail.mode=='instructional'){

this.data.carNumber3=e.detail.carNum;

}

else if(e.detail.mode=='police'){

this.data.carNumber4=e.detail.carNum;

}

else{

this.data.carNumber = e.detail.carNum;

}

}

}

}

</script>

<style>

.page {

height: 100%;

}

.car-box{

margin: 10px;

padding-bottom: 5px;

border-bottom: 0.5px solid #cccccc;

}

.car-label{

font-size: 15px;

color: #666666;

}

.car-num{

font-size: 20px;

min-height: 20px;

}

</style>

注意点:

在调用键盘的时候,是通过v-if 进行键盘的显示和隐藏,v-if  false的情况会销毁元素,所以需要传递的动态值,必须要在元素重新创建之前进行赋值操作。如下图所示,先后顺序很重要。

继续阅读