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哈喽，大家好，最近鹏仔开发的项目是学校校内车辆超速方面的统计检测方面的系统，在开发过程中发现有个小功能，就是用户移动端添加车牌号，刚开始想着就一个输入框，提交时正则效验一下格式就行，最后感觉不是很方便，所以就简单自己手写了一个H5车牌号软键盘，由于每天工作比较忙，就没封装成插件了，趁着晚上空闲，给大家整理一下demo，复制即可使用，或者自行封装一个组件调用也可以（代码中一些写法可能过于粗糙，时间有限，任务多，就粗糙写一下吧，反正功能是实现了）。
功能如上图所示，支持 8位电车车牌和7位油车车牌。
第一位是 省份，用户点击就会弹出省份软键盘；
第二位是 字母，用户点击只能输入字母；
第三、四、五、六位是字母和数字，不包含O；
第七位是 数字、字母、或者学、警之类汉字；
第八位是 电车选项。
用户点击软键盘对应的按键时会高亮，这个是后期加的，所以上图中没有展示出来。
鹏仔的移动端是rem布局，根元素是26.67vw，如果你使用，可自行根据自己的项目将css中所有的单位变化一下。
body,div,p,ul,ol,li,dl,dt,dd,table,tr,td,form,hr,h1,h2,h3,h4,h5,h6,fieldset,img,input {margin:0;padding:0}
body,html {width:100%;height:100%;font-size: 26.67vw;}完整代码如下
<template><div class="layer"><!-- content --><div class="content-layer"><div class="my-car-layer"><!-- 添加车辆 --><div class="my-car-layer-add" @click="addShow = true"><div class="add-text"><p>添加车辆</p></div></div></div></div><!-- 添加车辆弹窗 --><div class="shade-layer" v-if="addShow" @click="keyboardShow = false"><div class="add-content"><div class="add-header"><p>车辆信息</p><span @click="addShow = false">关闭</span></div><div class="form-list"><p>车牌号：</p><div class="car-num-input"><div v-for="(item,index) in carNumList" :key="index" @click.stop="selectCarNum(index)" :class="(carIndex == index ? 'active' : '') + ' ' + (item ? 'status-key' : '')">{{ index == 0 && !item ? '省' : index == carNumList.length-1 && !item ? '新能源' : item }}</div></div></div><button class="submit-btn" @click="carSubmitBtn()" v-points>提交</button></div><!-- 车牌键盘 --><div class="keyboard-layer" v-if="keyboardShow" @click.stop=""><div class="keyboard-header"><span @click="keyboardShow = false">完成</span></div><!-- 省份键盘 --><div class="province-layer" v-if="carIndex == '0'"><span v-for="(item,index) in provinceList" :key="index" @click="keyboardBtn(item)" :class="activeKey == item ? 'active-hover' : ''">{{ item == 'del' ? '删除' : item }}</span></div><!-- 数字字母键盘 --><div class="keyboard-item" v-if="carIndex != '0'"><div v-if="carIndex != '1'"><span v-for="(item,index) in keyboardList[0]" :key="index" @click="keyboardBtn(item)" :class="activeKey == item ? 'active-hover' : ''">{{ item }}</span></div><div><span v-for="(item,index) in keyboardList[1]" :key="index" @click="keyboardBtn(item)" :class="((item == 'O' && carIndex != '1') ? 'no-btn' : '') + ' ' + (activeKey == item ? 'active-hover' : '')">{{ item }}</span></div><div><span v-for="(item,index) in keyboardList[2]" :key="index" @click="keyboardBtn(item)" :class="activeKey == item ? 'active-hover' : ''">{{ item }}</span></div><div><span v-for="(item,index) in keyboardList[3]" :key="index" @click="keyboardBtn(item)" :class="activeKey == item ? 'active-hover' : ''">{{ item == 'del' ? '删除' : item }}</span></div><div v-if="carIndex == carNumList.length-2"><span v-for="(item,index) in keyboardList[4]" :key="index" @click="keyboardBtn(item)" :class="activeKey == item ? 'active-hover' : ''">{{ item }}</span></div></div></div></div></div>
</template>
<script>
export default {name: "car",mixins: [],components: {},data() {return {addShow: false, // 添加车辆弹窗显示隐藏formData: {carNumber: ''},carNumList: ['','','','','','','',''], // 车牌号数组activeKey: '', // 键盘按键选中激活timeoutId: null, // 定时器IDcarIndex: null, // 车牌号输入光标索引keyboardShow: false, // 键盘显示/隐藏provinceList: ['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', '学', '警', '挂', 'del'],keyboardList: [['1', '2', '3', '4', '5', '6', '7', '8', '9', '0'],['Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'O', 'P'],['A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L'],['Z', 'X', 'C', 'V', 'B', 'N', 'M', 'del'],['学','警','港','澳']]};},mounted() {},methods: {// 添加车辆carSubmitBtn(){this.formData.carNumber = '';for(let i in this.carNumList){if(this.carNumList[i] == '' && i != this.carNumList.length-1){console.log('请输入完整车牌号');return;}this.formData.carNumber += this.carNumList[i];}console.log(this.formData.carNumber)},// 点击车牌号输入selectCarNum(inx){this.carIndex = inx;if(!this.keyboardShow){this.keyboardShow = true;}},// 键盘输入keyboardBtn(val){this.activeKey = val; // 键盘按键选中激活this.activeKeyBtn(); // 键盘按键激活定时器this.carNumList[this.carIndex] = val == 'del' ? '' : val;if(val == 'del' && this.carIndex > 0){this.carIndex--;}if(val != 'del' && this.carIndex < this.carNumList.length-1){this.carIndex++;}this.$forceUpdate();},// 键盘按键激活定时器activeKeyBtn() {// 清除之前的定时器if (this.timeoutId) clearTimeout(this.timeoutId)// 1秒后重置状态this.timeoutId = setTimeout(() => {this.activeKey = '';}, 300)}},watch: {"addShow"(){// 关闭弹窗时重置if(!this.addShow){this.formData = {carNumber: ''}this.carIndex = ''; // 车牌号输入光标索引this.carNumList = ['','','','','','','','']; // 车牌号数组this.keyboardShow = false; // 车牌键盘隐藏}}},
};
</script>
<style lang="scss" scoped>
.layer {padding: 0.22rem 0 0.64rem;box-sizing: border-box;.content-layer {width: 100%;position: relative;padding: 0 0.16rem;box-sizing: border-box;.my-car-layer{width: 100%;.my-car-layer-add{width: 100%;padding: 0.14rem 0.16rem;box-sizing: border-box;border-radius: 0.08rem;background: #FFF;display: flex;flex-direction: column;align-items: center;justify-content: center;.add-text{width: 100%;display: flex;align-items: center;justify-content: center;padding-top: 0.04rem;box-sizing: border-box;p{color: #2E59FD;font-family: "PingFang SC";font-size: 0.14rem;font-weight: 700;line-height: 0.2rem;}}}}}.shade-layer{position: fixed;top: 0;left: 0;z-index: 5;width: 100%;height: 100%;background: rgba(0,0,0,.4);padding: 0.16rem;box-sizing: border-box;display: flex;align-items: center;justify-content: center;.add-content{width: 100%;padding: 0.16rem 0.16rem 0.24rem;box-sizing: border-box;border-radius: 0.16rem;background: #FFF;.add-header{width: 100%;display: flex;align-items: center;justify-content: space-between;padding-bottom: 0.14rem;box-sizing: border-box;p{color: #000;font-family: "PingFang SC";font-size: 0.16rem;font-weight: 700;line-height: 0.22rem;}span{color: #0A61C5;font-family: "PingFang SC";font-size: 0.12rem;font-weight: 700;line-height: 0.24rem;cursor: pointer;}}.form-list{p{color: #6B7280;font-family: "PingFang SC";font-size: 0.14rem;font-weight: 500;line-height: 0.2rem;}input{display: block;font-size: 0.14rem;line-height: 0.2rem;width: 100%;border-radius: 0.08rem;border: none;background: #F5F7FA;padding: 0.12rem 0.16rem;box-sizing: border-box;}.car-num-input{width: 100%;display: flex;align-items: center;justify-content: space-between;padding: 0.04rem 0;box-sizing: border-box;div{width: 0.3rem;height: 0.36rem;background: rgba(0,0,0,.05);border-radius: 0.04rem;border: 0.01rem solid transparent;box-sizing: border-box;display: flex;align-items: center;justify-content: center;color: #000;font-size: 0.14rem;line-height: 0.18rem;&:first-child{color: rgba(0,0,0,.5);}&:last-child{border: 0.01rem dashed rgba(27, 171, 80, 0.8);color: rgba(0,0,0,.5);font-size: 0.08rem;}}.active{border: 0.01rem solid rgba(48, 112, 255, 0.8)!important;}.status-key{color: #000!important;font-size: 0.14rem!important;line-height: 0.18rem!important;}}}.submit-btn{display: block;width: 100%;border: none;padding: 0.06rem 0.1rem;box-sizing: border-box;border-radius: 0.52rem;background: linear-gradient(90deg, #0FA6F6 1.1%, #198CFE 99.99%);color: #FFF;text-align: center;font-family: "PingFang SC";font-size: 0.16rem;font-weight: 700;line-height: 0.24rem;margin-top: 0.24rem;}}.keyboard-layer{width: 100%;background: #D0D5DC;padding: 0.08rem 0.04rem 0.16rem;box-sizing: border-box;position: absolute;bottom: 0;left: 0;.keyboard-header{width: 100%;display: flex;align-items: center;justify-content: flex-end;padding: 0 0.08rem 0.08rem;box-sizing: border-box;span{color: #2E59FD;font-family: "PingFang SC";font-size: 0.14rem;font-weight: 700;line-height: 0.28rem;cursor: pointer;}}.province-layer{width: 100%;display: flex;align-items: center;justify-content: center;flex-wrap: wrap;span{color: #000;font-size: 0.14rem;line-height: 0.28rem;background: #fff;border-radius: 0.06rem;padding: 0.06rem 0.08rem;box-sizing: border-box;margin: 0.02rem;box-shadow: 0px 0.02rem 0.02rem 0px rgba(0, 0, 0, 0.1);}}.keyboard-item{width: 100%;div{display: flex;align-items: center;justify-content: center;span{color: #000;font-size: 0.14rem;line-height: 0.28rem;background: #fff;border-radius: 0.06rem;padding: 0.04rem 0.1rem;box-sizing: border-box;margin: 0.04rem;box-shadow: 0px 0.02rem 0.04rem 0px rgba(0, 0, 0, 0.3);}}}.no-btn{color: rgba(0,0,0,.4)!important;pointer-events: none;}.active-hover{background: #B3BAC7!important;}}}
}
</style>原文：共享博客 sharedbk.comvue h5实现车牌号输入框哈喽，大家好，最近鹏仔开发的项目是学校校内车辆超速方面的统计检测方面的系统，在开发过程中发现有个小功能，就是用户移动端添加车牌号，刚开始想着就一个输入框，提交时正则效验一下格式就行，最后感觉不是很方便，所以就简单自己手写了一个H5车牌号软键盘，由于每天工作比较忙，就没封...,共享博客-(百变鹏仔)
https://www.sharedbk.com/post/284.html