java实现断点续播_vue-video-player 断点续播的实现
最近的項(xiàng)目中需要實(shí)現(xiàn)視頻斷點(diǎn)續(xù)播的功能，一聽到這個(gè)功能。內(nèi)心方張了..但卻又有點(diǎn)小竊喜，小懵亂。抱著求學(xué)態(tài)度去挑戰(zhàn)一下。
1.安裝插件
npm install vue-video-player --save
2.Main.js 引入組件
import VideoPlayer from 'vue-video-player'
require('video.js/dist/video-js.css')
require('vue-video-player/src/custom-theme.css')
Vue.use(VideoPlayer)
3.頁面使用組件
:props="defaultProps"
node-key='id'
highlight-current
:filter-node-method="filterNode"
ref="tree"
default-expand-all
@node-click="handleNodeClick" />
class="video-player vjs-custom-skin"
style="width: 1000px;height: 576px;display: inline-flex"
:playsinline="true"
:options="playerOptions"
@pause="onPlayerPause($event)"
@ended="onPlayerEnded($event)"
@play="onPlayerPlay($event)"
@timeupdate="onPlayerTimeupdate($event)"
@ready="playerReadied"
/>
import { videoPlayer } from 'vue-video-player'
import 'video.js/dist/video-js.css'
import 'vue-video-player/src/custom-theme.css'
import { treeselect } from "@/api//driver/videoChapter";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
export default {
name: "videoPlayer",
components: { Treeselect,videoPlayer },
data() {
return {
//用戶信息
user:{},
//===============================
paused: true,
learningDuration: {
userId: '', //用戶id
chapterId:'',//章節(jié)id
timeLog: '', //視頻觀看時(shí)長
},
playerOptions: {
playbackRates: [0.5, 1.0, 1.5, 2.0], //播放速度
autoplay: false, // 如果true,瀏覽器準(zhǔn)備好時(shí)開始回放。
muted: false, // 默認(rèn)情況下將會(huì)消除任何音頻。
loop: false, // 導(dǎo)致視頻一結(jié)束就重新開始。
preload: 'auto', // 建議瀏覽器在加載元素后是否應(yīng)該開始下載視頻數(shù)據(jù)。auto瀏覽器選擇最佳行為,立即開始加載視頻(如果瀏覽器支持)
language: 'zh-CN',
aspectRatio: '16:9', // 將播放器置于流暢模式，并在計(jì)算播放器的動(dòng)態(tài)大小時(shí)使用該值。值應(yīng)該代表一個(gè)比例 - 用冒號(hào)分隔的兩個(gè)數(shù)字(例如"16:9"或"4:3")
fluid: true, // 當(dāng)true時(shí)，Video.js player將擁有流體大小。換句話說，它將按比例縮放以適應(yīng)其容器。
sources: [
{
type: 'video/mp4', // 這里的種類支持很多種：基本視頻格式、直播、流媒體等，具體可以參看git網(wǎng)址項(xiàng)目
src: ''// url地址
}
],
hls: true,
poster: '', // 你的封面地址
width: document.documentElement.clientWidth, // 播放器寬度
notSupportedMessage: '此視頻暫無法播放，請稍后再試', // 允許覆蓋Video.js無法播放媒體源時(shí)顯示的默認(rèn)信息。
controlBar: {
//當(dāng)前時(shí)間和持續(xù)時(shí)間的分隔符
timeDivider: true,
//顯示持續(xù)時(shí)間
durationDisplay: true,
//是否顯示剩余時(shí)間功能
remainingTimeDisplay: false,
//全屏按鈕
fullscreenToggle: true
}
}
};
},
computed: {
player() {
return this.$refs.videoPlayer.player//自定義播放
}
},
mounted () {
this.timer = setInterval(this.putLearningObj, 3000)
},
destroyed () {
// 如果定時(shí)器在運(yùn)行則關(guān)閉
if (this.timer) {
clearInterval(this.timer)
}
},
methods: {
//用戶信息
getUser() {
getUserProfile().then(response => {
this.user = response.data;
this.learningDuration.userId = this.user.userId
});
},
//============================
fullScreen() {
const player = this.$refs.videoPlayer.player
player.requestFullscreen()//調(diào)用全屏api方法
player.isFullscreen(true)
player.play()
},
onPlayerPlay(player) {
this.paused = false
// player.play()
},
onPlayerPause (player) {
this.paused = true
// console.log('onPlayerPause!', player)
},
onPlayerEnded (player) {
this.paused = false;
// clearInterval(this.timer);
},
//當(dāng)前播放位置發(fā)生變化時(shí)觸發(fā)。
onPlayerTimeupdate (player) {
// console.log(' onPlayerTimeupdate!', this.timeLog)
},
/* 設(shè)置視頻進(jìn)度 */
playerReadied: function (player) {
},
};
上面的 src視頻地址可以換成具體的地址串,也能換成后臺(tái)的地址串，因?yàn)槲业氖钦鹿?jié)樹所以我和章節(jié)id進(jìn)行了關(guān)聯(lián)
/** 查詢部門下拉樹結(jié)構(gòu) */
getTreeselect() {
treeselect().then((response) => {
//封面
var img = '';
this.ChapterOptions = response.data;
for (let i = 0; i
this.videoName = this.ChapterOptions[0].children[0].chapterName
this.videoIntroduce = this.ChapterOptions[0].children[0].chapterIntroduce
this.VideoUrl = JSON.parse(this.ChapterOptions[0].children[0].videoAddress)
img = JSON.parse(this.ChapterOptions[0].children[0].imageAddress)
//初始化封面
for (let j = 0; j
this.playerOptions.poster =img[0];
}
//初始化第一個(gè)章節(jié)視頻
for (let j = 0; j
this.playerOptions.sources[0].src = this.VideoUrl[0]
}
//初始化章節(jié)
this.learningDuration.chapterId = this.ChapterOptions[0].children[0].id;
//默認(rèn)高亮第一個(gè)章節(jié)節(jié)點(diǎn)
this.$nextTick(()=>{
this.$refs.tree.setCurrentKey(this.ChapterOptions[0].children[0].id);
})
}
});
},
// 篩選節(jié)點(diǎn)
filterNode(value, data) {
if (!value) return true;
return data.label.indexOf(value) !== -1;
},
// 節(jié)點(diǎn)單擊事件
handleNodeClick(data) {
// console.log(data)
var img = '';
//刷新原視頻, 原封面
this.playerOptions.sources[0].src = '';
this.playerOptions.poster = '';
//轉(zhuǎn)換視頻
this.VideoUrl= JSON.parse(data.videoAddress);
// console.log("this.VideoUrl")
for (let i = 0; i
this.playerOptions.sources[0].src = this.VideoUrl[0];
}
img = JSON.parse(data.imageAddress);
for (let i = 0; i
this.playerOptions.poster = img[0];
}
// console.log("this.playerOptions.sources[0].src")
// console.log(this.playerOptions.sources[0].src)
//章節(jié)介紹
this.videoIntroduce = data.chapterIntroduce;
//章節(jié)名稱
this.videoName = data.chapterName;
//章節(jié)id
this.learningDuration.chapterId = data.id
// console.log(this.videoIntroduce)
},
4.進(jìn)度保存
接下來就是 保存視頻的進(jìn)度條了，通過打印發(fā)現(xiàn)onPlayerTimeupdate可獲取到視頻的進(jìn)度，故采用定時(shí)器 每3秒觸發(fā)一次數(shù)據(jù)交互
computed: {
player() {
return this.$refs.videoPlayer.player//自定義播放
}
},
mounted () {
this.timer = setInterval(this.putLearningObj, 3000)
},
destroyed () {
// 如果定時(shí)器在運(yùn)行則關(guān)閉
if (this.timer) {
clearInterval(this.timer)
}
},
methods: {
putLearningObj () {
if (!this.paused) {
//保存視頻進(jìn)度
saveTime(this.learningDuration)
console.log('putLearningObj ~~~~~~~~~')
}
},
//當(dāng)前播放位置發(fā)生變化時(shí)觸發(fā)。
onPlayerTimeupdate (player) {
this.learningDuration.timeLog = player.cache_.currentTime
// console.log(' onPlayerTimeupdate!', this.timeLog)
},
},
saveTime是我自定義的與后端交互的方法。(可自行定義)
// 保存視頻進(jìn)度
export function saveTime(data) {
return request({
url: '/***/****/***/',
method: 'put',
data: data
})
}
那么到了這一步 進(jìn)度就能保存下來了
4.進(jìn)度恢復(fù)
想要恢復(fù)進(jìn)度，就必須在視頻播放前把 保存進(jìn)度下來的設(shè)置到視頻當(dāng)中，通過打印可以看出playerReadied 可以設(shè)置
/* 設(shè)置視頻進(jìn)度 */
playerReadied: function (player) {
//可在此調(diào)用后臺(tái)交互方法
...
player.currentTime(this.learningDuration.timeLog)
},
到此 進(jìn)度可以 恢復(fù)了 大功告成！。至于后臺(tái)交互數(shù)據(jù) 需求不一樣，代碼也就沒有貼出來。
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