两天时间用vue写一个手持弹幕，（没有完成所有功能）
先看一下效果
这里使用vue 写的，只支持vue语法。后期有时间会考虑写成npm 插件。欢迎大神PR/
有两个组件 , 贴一下代码，如果不懂，欢迎留言
第一个
vue-bullet-chat.vue
<template>
<div class="vue-bullet-chat-wrapper" :style="background" @click="bulletChatClick">
<div class="vbc-top">
<div class="vbc-lock-wrapper">
<svg t="1612009086242" class="vbc-icon-svg vbc-icon-open vbc-show-active" viewBox="0 0 1223 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="11149" width="128" height="128"><path d="M874.207389 0.2134C694.712336 6.861365 556.767063 159.764558 556.767063 337.59762v119.663369h-498.59737C26.59186 458.92298 0 483.852849 0 515.430682v452.061616c0 31.577833 26.59186 56.507702 56.507702 56.507702h731.276143c31.577833 0 56.507702-26.59186 56.507702-56.507702V515.430682c0-31.577833-26.59186-56.507702-56.507702-56.507702H698.036318v-127.973325C698.036318 221.258234 792.769819 133.172698 904.123231 143.144646c98.057483 9.971947 169.523106 94.7335 169.523106 192.790983v187.805009c0 16.619912 13.29593 29.915842 29.915843 29.915843h81.43757c16.619912 0 29.915842-13.29593 29.915842-29.915843V329.287664C1216.577584 143.144646 1062.012399-6.434565 874.207389 0.2134z" p-id="11150"></path></svg>
<svg t="1612009127525" class="vbc-icon-svg vbc-icon-close" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="12557" width="128" height="128"><path d="M842.224081 429.259288h-72.934698V258.894547C769.289383 116.096916 653.9801 0 511.9701 0 370.038864 0 254.572054 116.096916 254.572054 258.815783v170.522268H181.71612A63.798169 63.798169 0 0 0 118.15424 493.214983v466.671795c0 35.443427 28.433505 64.034459 63.56188 64.034459h660.586724a63.719406 63.719406 0 0 0 63.483117-64.034459V493.214983a63.798169 63.798169 0 0 0-63.56188-63.876932z m-294.574264 309.539266v101.840781a8.427659 8.427659 0 0 1-8.270133 8.42766h-54.661641a8.427659 8.427659 0 0 1-8.42766-8.42766V738.798554A79.393277 79.393277 0 0 1 511.9701 588.439658a79.393277 79.393277 0 0 1 35.75848 150.280133z m122.870549-309.539266H353.498598V263.068995c0-87.8997 71.201908-159.574187 158.629029-159.574187 87.427121 0 158.550265 71.674487 158.550265 159.574187v166.190293z" p-id="12558"></path></svg>
</div>
</div>
<div class="vbc-text-wrapper vbc-flex-sb-column">
<div class="vbc-text" id="vbcTextInput" :style="textStyle">
<span :class="textClass">{{value}}</span>
</div>
</div>
<div class="vbc-input-wrapper vbc-flex-sb vbc-input-wrapper-active" @click.stop>
<div class="vbc-flex-sb">
<input class="input-box" ref="inputBox" v-model="setValue" placeholder="请输入弹幕文字" @focus="handleFocus" @keypress.enter="handleInput" />
<div class="vbc-close-box">
<svg t="1612167727491" class="vbc-close-icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1694" width="128" height="128"><path d="M512 64a448 448 0 1 1 0 896A448 448 0 0 1 512 64zM408.576 363.136a32 32 0 1 0-45.312 45.248l103.808 103.744-103.808 103.744a32 32 0 1 0 45.312 45.248l103.744-103.68 103.744 103.68a32 32 0 1 0 45.248-45.248l-103.744-103.68 103.744-103.808a32 32 0 0 0-45.248-45.248L512.32 466.88z" fill="#B8B8B8" p-id="1695"></path></svg>
</div>
</div>
<div class="svg-box" @click="handlePopup">
<svg t="1611985197202" class="vbc-icon-svg" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg"
p-id="5543" width="128" height="128">
<path d="M661.3 250.7H138.7c-41.2 0-74.7 33.4-74.7 74.7v560c0 41.2 33.4 74.7 74.7 74.7h522.7c41.2 0 74.7-33.4 74.7-74.7v-560c-0.1-41.3-33.5-74.7-74.8-74.7z m18.7 616c0 20.6-16.7 37.3-37.3 37.3H157.3c-20.6 0-37.3-16.7-37.3-37.3V344c0-20.6 16.7-37.3 37.3-37.3h485.3c20.6 0 37.3 16.7 37.3 37.3v522.7z"
p-id="5544" fill="#ffffff"></path>
<path d="M596 624h-37.3c-15.4 0-28 12.6-28 28s12.6 28 28 28H596c15.4 0 28-12.6 28-28s-12.6-28-28-28z m0-93.3h-93.3c-15.4 0-28 12.6-28 28s12.6 28 28 28H596c15.4 0 28-12.6 28-28s-12.6-28-28-28z m0-93.4H465.3c-15.4 0-28 12.6-28 28s12.6 28 28 28H596c15.4 0 28-12.6 28-28s-12.6-28-28-28z m-297 0l-123 336h77.7l24.7-77h122.1l25.2 77h78.1l-120.6-336H299zM294 641l44.3-145.8h2L383.6 641H294z"
p-id="5545" fill="#ffffff"></path>
<path d="M885.3 64H418.7c-41.1 0-74.7 33.6-74.7 74.7v46.7c0 15.5 12.5 28 28 28s28-12.5 28-28v-28c0-20.5 16.8-37.3 37.3-37.3h429.3c20.5 0 37.3 16.8 37.3 37.3V680c0 20.5-16.8 37.3-37.3 37.3h-65.3c-15.5 0-28 12.5-28 28s12.5 28 28 28h84c41.1 0 74.7-33.6 74.7-74.7v-560c0-41-33.6-74.6-74.7-74.6z"
p-id="5546" fill="#ffffff"></path>
</svg>
</div>
</div>
<vue-bullet-chat-popup
:vbc-popup-vis-able.sync="vbcPopupVisAble"
:animation="animation"
@effect="getEffect"
@color="getColor"
@speed="getSpeed"
@fontSize="getFontSize"
/>
</div>
</template>
<script>
import VueBulletChatPopup from "./vue-bullet-chat-popup";
export default {
name: "vue-bullet-chat",
components: { VueBulletChatPopup },
props: {
background: {
type: Object,
default: function () {
return {
backgroundColor: 'black'
}
}
},
textObj: {
type: Object,
default: function () {
return {
transform: 'rotate(90deg)',
letterSpacing: '8px'
}
}
}
},
data() {
return {
el: '',
textWrapper: '',
innerHeight: '', // 屏幕高度
i: 0,
timer: null,
initBottom: '',
initValue: '', // 初始距离底部的值
initBottomCopy: '',
value: '请输入文字显示文字弹幕', // 设置值
clickFlag: false,
inputWrapper: false,
isLock: false,
setValue: '',
lockClose: '',
lockOpen: '',
lockWrapper: '',
closeTimer: null,
initTransform: '',
reqAnFrame: '',
inputBox: '',
closeIcon: '',
vbcPopupVisAble: false,
animation: '',
color: 'white',
fontSize: '48px',
textClass: '',
speed: 2,
requestAnimationFrame: '',
cancelAnimationFrame: ''
}
},
watch: {
setValue() {
if(!this.setValue) {
this.utils.removeClass(this.closeIcon, 'vbc-close-active')
}else {
this.utils.addClass(this.closeIcon, 'vbc-close-active')
}
}
},
computed: {
textStyle() {
return {
...this.textObj,
color: this.color,
fontSize: this.fontSize,
opacity: 0
}
}
},
mounted() {
this.utils.fitIos()
this.getEle()
this.getText()
},
beforeDestroy() {
window.cancelAnimationFrame(this.reqAnFrame)
},
methods: {
getEle() {
this.el = this.utils.classEle('vue-bullet-chat-wrapper')
this.inputWrapper = this.el.getElementsByClassName('vbc-input-wrapper')[0]
this.textWrapper = this.el.getElementsByClassName('vbc-text')[0]
this.lockWrapper = this.el.getElementsByClassName('vbc-lock-wrapper')[0]
this.lockClose = this.utils.classEle('vbc-icon-close')
this.lockOpen = this.utils.classEle('vbc-icon-open')
this.inputBox = this.utils.classEle('input-box')
this.initTransform = this.utils.deepClone(this.textWrapper.style.transform)
this.closeIcon = this.utils.classEle('vbc-close-box')
// 设置锁
this.lockWrapper.onclick = () => {
if (!this.isLock) {
this.isLock = true
this.utils.hiddenClass('vbc-icon-open')
this.utils.showClass('vbc-icon-close')
this.utils.removeClass(this.inputWrapper, 'vbc-input-wrapper-active')
this.utils.addClass(this.lockWrapper, 'lock-wrapper-active')
}else {
this.isLock = false
this.utils.hiddenClass('vbc-icon-close')
this.utils.showClass('vbc-icon-open')
}
}
// 点击清空
this.closeIcon.onclick = () => {
this.setValue = ''
this.$refs.inputBox.focus()
}
// this.init()
// this.closeFun()
},
init() {
this.textWrapper.style.opacity = '1'
this.initBottom = Math.round(window.innerHeight / 2 + this.textWrapper.getBoundingClientRect().height / 2)
this.initBottomCopy = this.utils.deepClone(this.initBottom)
this.textWrapper.style.transform = 'translateY('+ this.initBottom + 'px)' + this.initTransform // 初始化文字位置
this.move()
},
move() {
this.initBottom -= this.speed
this.textWrapper.style.transform = 'translateY('+ this.initBottom + 'px)' + this.initTransform // 初始化文字位置
if ( this.initBottom <= -this.initBottomCopy ) {
this.initBottom = this.initBottomCopy
this.i = 0
}
this.reqAnFrame = window.requestAnimationFrame(this.move)
},
handleInput() {
this.textWrapper.style.opacity = '0'
window.cancelAnimationFrame(this.reqAnFrame)
if(this.setValue) {
this.value = this.setValue
}else {
this.value = '请输入文字显示文字弹幕'
this.utils.removeClass(this.closeIcon, 'vbc-close-active')
}
this.$refs.inputBox.blur()
this.bulletChatClick()
setTimeout(() => {
this.init()
}, 100)
},
bulletChatClick() {
if(!this.isLock) {
if (!this.clickFlag) {
this.utils.removeClass(this.closeIcon, 'vbc-close-active')
this.utils.removeClass(this.inputWrapper, 'vbc-input-wrapper-active')
this.utils.addClass(this.lockWrapper, 'lock-wrapper-active')
this.clickFlag = true
}else {
this.utils.addClass(this.inputWrapper, 'vbc-input-wrapper-active')
this.utils.removeClass(this.lockWrapper, 'lock-wrapper-active')
this.clickFlag = false
}
}else {
if (!this.clickFlag) {
this.clickFlag = true
this.utils.addClass(this.lockWrapper, 'lock-wrapper-active')
this.utils.hiddenClass('vbc-icon-open')
}else {
this.clickFlag = false
this.utils.removeClass(this.lockWrapper, 'lock-wrapper-active')
this.utils.showClass('vbc-icon-close')
}
}
this.closeFun()
},
closeFun() {
if(!this.clickFlag) {
clearTimeout(this.closeTimer)
this.closeTimer = setTimeout( () => {
this.utils.removeClass(this.inputWrapper, 'vbc-input-wrapper-active')
this.utils.addClass(this.lockWrapper, 'lock-wrapper-active')
this.clickFlag = true
}, 3000)
}
},
handleFocus() {
this.utils.addClass(this.closeIcon, 'vbc-close-active')
clearTimeout(this.closeTimer)
// this.clickFlag = true
this.utils.addClass(this.inputWrapper, 'vbc-input-wrapper-active')
this.utils.removeClass(this.lockWrapper, 'lock-wrapper-active')
},
handlePopup() {
this.vbcPopupVisAble = true
},
getColor(v) {
this.color = v
},
getEffect(v) {
this.textClass = v
},
getFontSize(v) {
this.textWrapper.style.opacity = '0'
this.fontSize = v
window.cancelAnimationFrame(this.reqAnFrame)
setTimeout(() => {
this.init()
}, 100)
},
getText() {
// this.color = this.utils.get('vbcColor') || this.color
// this.textClass = this.utils.get('vbcEffect') || this.fontSize
// this.speed = +this.utils.get('vbcSpeed') || +this.speed
// this.fontSize = this.utils.get('vbcFontSize') || this.fontSize
},
getSpeed(v) {
this.textWrapper.style.opacity = '0'
this.speed = +v
if(v === '0') {
window.cancelAnimationFrame(this.reqAnFrame)
this.reqAnFrame = null
}else {
window.cancelAnimationFrame(this.reqAnFrame)
setTimeout(() => {
this.init()
}, 100)
}
}
}
}
</script>
<style scoped>
.input-box::placeholder {
font-size: 24px;
line-height: 100px;
vertical-align: baseline;
color: blue;
}
</style>
<style scoped>
.vue-bullet-chat-wrapper {
width: 100%;
height: 100vh;
margin: 0;
padding: 0;
overflow: hidden;
position: relative;
user-select: none;
}
.vue-bullet-chat-wrapper .vbc-text {
white-space: nowrap;
letter-spacing: 8px;
}
.vue-bullet-chat-wrapper .vbc-input-wrapper {
width: 100%;
position: absolute;
bottom: 0;
margin: 0 auto;
padding-bottom: 20px;
transition: all .3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
transform: translate(0, 120px);
}
.vue-bullet-chat-wrapper .vbc-input-wrapper-active {
transition: all .3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
transform: translate(0, 0px);
}
.vue-bullet-chat-wrapper .svg-box {
position: relative;
width: 80px;
height: 80px;
background: #222;
border-radius: 14px;
}
.vue-bullet-chat-wrapper .vbc-icon-svg {
position: absolute;
left: 15px;
top: 15px;
width: 50px;
height: 50px;
}
.vue-bullet-chat-wrapper .input-box {
width: 570px;
display: block;
height: 80px;
background: #222;
border: none;
outline: none;
border-radius: 6px;
text-indent: 1em;
color: white;
font-size: 30px;
}
/*顶部*/
.vue-bullet-chat-wrapper .vbc-top {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 80px;
fill: white;
z-index: 10;
}
.vue-bullet-chat-wrapper .vbc-top .vbc-icon-svg {
opacity: 0
}
.vue-bullet-chat-wrapper .vbc-top .vbc-icon-svg.vbc-show-active {
opacity: 1;
}
.vbc-text-wrapper {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
width: 100%;
}
.vbc-lock-wrapper {
height: 40px;
transition: all .3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
transform: translate(0, 0px);
}
.vbc-lock-wrapper.lock-wrapper-active {
transition: all .3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
transform: translate(0, -80px);
}
.vbc-close-box {
position: relative;
}
.vbc-close-box .vbc-close-icon {
position: absolute;
top: -10px;
right: 10px;
width: 30px;
height: 30px;
opacity: 0;
transition: all .3s;
}
.vbc-close-box.vbc-close-active .vbc-close-icon {
opacity: 1;
}
</style>
第二个弹框组件
vue-bullet-chat-popup.vue
<template>
<transition name="bullet-chat-fade">
<div v-show="vbcPopupVisAble" tabindex="-1" :style="style" class="bullet-chat-popup" @click.stop>
<div class="bullet-chat-mask" @click="handleClick"></div>
<transition name="bullet-chat-slide">
<div class="bullet-chat-dialog" v-show="show" :style="dialogStyle">
<div class="vbc-popup-top vbc-flex-sb">
<div v-for="(item, index) in topTitle" :key="index" :class="{'vbc-popup-top-active': item === active}">
<span @click="handleClickTop(item)">{{item}}</span>
</div>
</div>
<div class="bullet-chat-content">
<div v-for="(item, index) in textOpt" :key="index" class="content-item">
<p class="bullet-chat-cont-title">{{item.header}}</p>
<div class="cont-item">
<span v-for="(spanItem, i) in item.selectOpt" :key="i" :class="{'one-span':item.type === 1, 'two-span': item.type === 2 || item.type === 3 || item.type === 4, active: spanItem.active, activeColor: spanItem.active }" :style="{background: spanItem.background}" @click="handleSpan(spanItem, index)">
{{spanItem.label}}
</span>
</div>
</div>
</div>
</div>
</transition>
</div>
</transition>
</template>
<script>
export default {
name: "VueBulletChatPopup",
props: {
vbcPopupVisAble: {
type: Boolean,
default: false
},
duration: {
type: Number,
default: 300
}
},
data() {
return {
topTitle: ['文字', '背景', '音乐'],
active: '文字',
show: false,
textOpt: [{
header: '效果（多选）',
type: 1,
selectOpt: [{
label: '阴影',
value: 'vbc-text-shadow',
active: false,
background: '#3d3d3d'
}, {
label: '叠字',
value: 'vbc-text-double',
active: false,
background: '#3d3d3d'
}, {
label: '闪烁',
value: 'vbc-text-twinkle',
active: false,
background: '#3d3d3d'
}, {
label: '描边',
value: 'vbc-text-stroke',
active: false,
background: '#3d3d3d'
}, {
label: '酷炫',
value: 'vbc-text-masked',
active: false,
background: '#3d3d3d'
}]
}, {
header: '字体颜色',
type: 2,
selectOpt: [{
label: '',
value: '1',
active: true,
background: "white",
}, {
label: '',
value: '2',
active: false,
background: 'red'
}, {
label: '',
value: '3',
active: false,
background: '#FD2E74'
}, {
label: '',
value: '4',
active: false,
background: '#FCDE46'
}, {
label: '',
value: '5',
active: false,
background: '#FD2E74'
}, {
label: '',
value: '6',
active: false,
background: '#61FE4B'
}, {
label: '',
value: '7',
active: false,
background: '#41A0FE'
}, {
label: '',
value: '8',
active: false,
background: '#FC5727'
}, {
label: '',
value: '9',
active: false,
background: '#8911FE'
}, {
label: '',
value: '10',
active: false,
background: '#65FFC9'
}]
}, {
header: '速度',
type: 3,
selectOpt: [{
label: '静止',
value: '0',
active: false,
background: '#3d3d3d'
}, {
label: '0.5x',
value: '1',
active: false,
background: '#3d3d3d'
}, {
label: '1x',
value: '2',
active: true,
background: '#3d3d3d'
}, {
label: '1.5x',
value: '3',
active: false,
background: '#3d3d3d'
}, {
label: '2x',
value: '4',
active: false,
background: '#3d3d3d'
}]
}, {
header: '字号',
type: 4,
selectOpt: [{
label: '24',
value: '24',
active: false,
background: '#3d3d3d'
}, {
label: '36',
value: '36',
active: false,
background: '#3d3d3d'
}, {
label: '48',
value: '48',
active: true,
background: '#3d3d3d'
}, {
label: '64',
value: '64',
active: false,
background: '#3d3d3d'
}, {
label: '72',
value: '72',
active: false,
background: '#3d3d3d'
}, {
label: '120',
value: '120',
active: false,
background: '#3d3d3d'
}]
}, {
header: '字体',
type: 5,
selectOpt: [{
label: '宋体',
value: '宋体',
active: false,
background: '#3d3d3d'
}, {
label: '宋体',
value: '宋体',
active: false,
background: '#3d3d3d'
}]
}]
}
},
watch: {
vbcPopupVisAble(v) {
this.show = v
}
},
computed: {
style() {
return {
animationDuration: `${this.duration}ms`
};
},
dialogStyle() {
return {
animationDuration: `${this.duration}ms`,
}
}
},
mounted() {
this.textOpt = this.utils.get('textOpt', true) || this.textOpt
},
methods: {
handleClickTop(v) {
this.active = v
},
handleClick() {
this.$emit('update:vbcPopupVisAble', false)
},
handleSpan(item, index) {
this.textOpt[index].selectOpt.map(val => {
if(val.active) {
val.active = false
}
})
if(!item.active) {
item.active = true
}
if(index === 0) {
this.$emit('effect', item.value)
this.utils.set('vbcEffect', item.value)
} else if(index === 1) {
this.$emit('color', item.background)
this.utils.set('vbcColor', item.background)
}else if(index === 2) {
this.$emit('speed', item.value)
this.utils.set('vbcSpeed', item.value)
}else if (index === 3) {
this.$emit('fontSize', item.value + 'px')
this.utils.set('vbcFontSize', item.value + 'px')
}
this.utils.set('textOpt', JSON.stringify(this.textOpt))
},
}
}
</script>
还有一个util.js， 自己封装的工具方法
class Utils {
constructor() {
}
hasClass(ele, cls) {
return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}
addClass(ele, cls) {
if (!this.hasClass(ele, cls)) ele.className += ' ' + cls
}
removeClass(ele, cls) {
if (this.hasClass(ele, cls)) {
const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
ele.className = ele.className.replace(reg, '')
}
}
set(key, value) {
localStorage.setItem(key, value)
}
get(key, isObj = false) {
if(isObj) {
return JSON.parse(localStorage.getItem(key))
}else {
return localStorage.getItem(key)
}
}
showClass(cls) {
cls ? document.getElementsByClassName(cls)[0].style.opacity = '1' : new Error('请输入类名')
}
hiddenClass(cls) {
cls ? document.getElementsByClassName(cls)[0].style.opacity = '0' : new Error('请输入类名')
}
changeInnerText(cls, text) {
document.getElementsByClassName(cls)[0].innerHTML = text
}
clickfu (to, cls) {
//回调函数，to为点击对象
to.setAttribute("class", cls);
const siblings = to.parentNode.childNodes;
for (let i = 0; i < siblings.length; i++)
if (siblings[i].nodeType == 1 && siblings[i] != to) siblings[i].className = '';
}
formatSeconds(value) {
if(!value) return '00:00'
value = parseInt(value);
let time;
if (value > -1) {
let hour = Math.floor(value / 3600);
let min = Math.floor(value / 60) % 60;
let sec = value % 60;
let day = parseInt(hour / 24);
if (day > 0) {
hour = hour - 24 * day;
time = day + "day " + hour + ":";
} else if (hour > 0) {
time = hour + ":";
}else {
time = "";
}
if (min < 10) {
time += "0";
}
time += min + ":";
if (sec < 10) {
time += "0";
}
time += sec;
}
return time;
}
classEle(cls) {
return cls && document.getElementsByClassName(cls)[0]
}
deepClone(source) {
if (source && typeof source !== 'object') {
return JSON.parse(JSON.stringify(source))
}
const targetObj = source.constructor === Array ? [] : {}
Object.keys(source).forEach(keys => {
if (source[keys] && typeof source[keys] === 'object') {
targetObj[keys] = deepClone(source[keys])
} else {
targetObj[keys] = source[keys]
}
})
return targetObj
}
isIPHONE() {
return navigator.userAgent.toUpperCase().indexOf('IPHONE') !== -1;
}
/**
* 解决IOS：input框输入完成，键盘关闭后位置上移问题
*/
fitIos() {
const u = navigator.userAgent;
let flag;
let myFunction;
let isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);
if(isIOS){
document.body.addEventListener('focusin', () => { //软键盘弹起事件
flag=true;
clearTimeout(myFunction);
})
document.body.addEventListener('focusout', () => { //软键盘关闭事件
flag=false;
if(!flag){
myFunction = setTimeout(function(){
window.scrollTo({top:0,left:0,behavior:"smooth"})//重点 =======当键盘收起的时候让页面回到原始位置(这里的top可以根据你们个人的需求改变，并不一定要回到页面顶部)
},200);
}else{
return
}
})
}else{
return
}
}
}
export default Utils
感兴趣的可以到github上下载源码，但是开源不易，请点个小星星支持一下，谢谢啦😀😀😀
最后祝大家，兔年大吉，事业牛气冲天
