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常看到各种app应用中使用自定义的键盘，本例子中使用vue2实现个简单的键盘,支持在移动端和pc端使用
实现效果：
keyboard.vue
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<template>
<div class="keyboard" v-show="showkeyboard" v-clickoutside="closemodal">
<p v-for="keys in keylist">
<template v-for="key in keys">
<i v-if="key === 'top'" @click.stop="clickkey" @touchend.stop="clickkey" class="iconfont icon-zhiding tab-top"></i>
<i v-else-if="key === '123'" @click.stop="clickkey" @touchend.stop="clickkey" class="tab-num">123</i>
<i v-else-if="key === 'del'" @click.stop="clickkey" @touchend.stop="clickkey" class="iconfont icon-delete key-delete"></i>
<i v-else-if="key === 'blank'" @click.stop="clickkey" @touchend.stop="clickkey" class="iconfont icon-konggejian-jianpanyong tab-blank"></i>
<i v-else-if="key === 'symbol'" @click.stop="clickkey" @touchend.stop="clickkey" class="tab-symbol">符</i>
<i v-else-if="key === 'point'" @click.stop="clickkey" @touchend.stop="clickkey" class="tab-point">·</i>
<i v-else-if="key === 'enter'" @click.stop="clickkey" @touchend.stop="clickkey" class="iconfont icon-huiche tab-enter"></i>
<i v-else @click.stop="clickkey" @touchend.stop="clickkey">{{key}}</i>
</template>
</p>
</div>
</template>
<script>
import clickoutside from '../directives/clickoutside'
export default {
directives: { clickoutside },
data() {
return {
keylist: [],
status: 0,//0 小写 1 大写 2 数字 3 符号
lowercase: [
['q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p'],
['a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l'],
['top', 'z', 'x', 'c', 'v', 'b', 'n', 'm', 'del'],
['123', 'point', 'blank', 'symbol', 'enter']
],
uppercase: [
['q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p'],
['a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l'],
['top', 'z', 'x', 'c', 'v', 'b', 'n', 'm', 'del'],
['123', 'point', 'blank', 'symbol', 'enter']
],
equip:!!navigator.useragent.tolocalelowercase().match(/ipad|mobile/i)//是否是移动设备
}
},
props: {
option: {
type: object
}
},
computed: {
showkeyboard(){
return this.option.show
}
},
mounted() {
this.keylist = this.lowercase
},
methods: {
tabhandle({ value = '' }) {
if(value.indexof('tab-num') > -1){
this.status = 2
//数字键盘数据
}else if(value.indexof('key-delete') > -1){
this.emitvalue('delete')
}else if(value.indexof('tab-blank') > -1){
this.emitvalue(' ')
}else if(value.indexof('tab-enter') > -1){
this.emitvalue('\n')
}else if(value.indexof('tab-point') > -1){
this.emitvalue('.')
}else if(value.indexof('tab-symbol') > -1){
this.status = 3
}else if(value.indexof('tab-top') > -1){
if(this.status === 0){
this.status = 1
this.keylist = this.uppercase
}else{
this.status = 0
this.keylist = this.lowercase
}
}else{
}
},
clickkey(event) {
if(event.type === 'click' && this.equip) return
let value = event.srcelement.innertext
value && value !== '符' && value !== '·' && value !== '123'? this.emitvalue(value) : this.tabhandle(event.srcelement.classlist)
},
emitvalue(key) {
this.$emit('keyval', key)
},
closemodal(e) {
if (e.target !== this.option.sourcedom) {
// this.showkeyboard = false
this.$emit('close', false)
}
}
}
}
</script>
<style scoped lang="less">
.keyboard {
width: 100%;
margin: 0 auto;
font-size: 18px;
border-radius: 2px;
padding-top: 0.5em;
background-color: #e5e6e8;
user-select: none;
position: fixed;
bottom: 0;
left: 0;
right: 0;
z-index: 999;
pointer-events: auto;
p {
width: 95%;
margin: 0 auto;
height: 45px;
margin-bottom: 0.5em;
display: flex;
display: -webkit-box;
flex-direction: row;
flex-wrap: nowrap;
justify-content: center;
i {
display: block;
margin: 0 1%;
height: 45px;
line-height: 45px;
font-style: normal;
font-size: 24px;
border-radius: 3px;
width: 44px;
background-color: #fff;
text-align: center;
flex-grow: 1;
flex-shrink: 1;
flex-basis: 0;
-webkit-box-flex: 1;
&:active {
background-color: darken(#ccc, 10%);
}
}
.tab-top {
width: 50px;
margin: 0 1%;
background: #cccdd0;
color: #fff;
font-size: 24px;
}
.key-delete {
width: 50px;
margin: 0 1%;
color: #827f7f;
background: #d7d7d8;
}
.tab-num {
font-size: 18px;
background: #dedede;
color: #5a5959;
}
.tab-point {
width: 20px;
}
.tab-blank {
width: 80px;
font-size: 12px;
padding: 0 15px;
color: #5a5959;
line-height: 60px;
}
.tab-symbol {
width: 20px;
font-size: 18px;
}
.tab-enter {
font-size: 30px;
line-height: 54px;
}
&:nth-child(2) {
width: 88%;
}
}
}
</style>
keyinput.vue
<template>
<div>
<input type="text" ref="keyboard" v-model="inputvalue" @focus="onfocus">
<keyboard :option="option" @keyval="getinputvalue" @close="option.show = false"></keyboard>
</div>
</template>
<script>
import keyboard from '../components/keyboard'
export default {
components: {
keyboard
},
data() {
return {
option: {
show: false,
sourcedom: ''
},
inputvalue: ''
}
},
props: {},
created() {},
methods: {
getinputvalue(val) {
if(val === 'delete'){
this.inputvalue = this.inputvalue.slice(0,this.inputvalue.length -1)
}else{
this.inputvalue += val
}
},
onfocus() {
this.$set(this.option, 'show', true)
this.$set(this.option, 'sourcedom', this.$refs['keyboard'])
},
//获取光标位置
getcursorposition() {
let doc = this.$refs['keyboard']
if (doc.selectionstart) return doc.selectionstart
return -1
},
//设置光标位置 暂未实现
setcursorposition(pos) {
let doc = this.$refs['keyboard']
console.log(doc.setselectionrange)
doc.focus()
doc.setselectionrange(1,3)
}
}
}
</script>
<style lang="less" scoped>
</style>
使用demo
<template>
<div>
<key-input class="demo-class"></key-input>
</div>
</template>
<script>
import keyinput from '../components/keyinput'
export default {
components: {
keyinput
},
data() {
return {
}
},
created() {},
methods: {
}
}
</script>
<style lang="less">
body{
background: #efefef;
}
.demo-class{
input{
border:1px solid #ccc;
outline: none;
height: 30px;
font-size: 16px;
letter-spacing: 2px;
padding: 0 5px;
}
}
</style>
完整代码：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持移动技术网。
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