IAMHERE
1 year ago
18 changed files with 800 additions and 145 deletions
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import request from '@/utils/request' |
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// 地图 情报板接口
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export function getEnergyBoardAPi(params){ |
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return request({ |
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url:'/iot/board/list', |
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method:'get', |
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params |
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}) |
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} |
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After Width: | Height: | Size: 2.2 KiB |
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After Width: | Height: | Size: 2.2 KiB |
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After Width: | Height: | Size: 2.3 KiB |
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After Width: | Height: | Size: 2.1 KiB |
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<template> |
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<div class="video-box" v-loading="loading"> |
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<video class="demo-video" ref="player" muted autoplay @dblclick="fullScreen"></video> |
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</div> |
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</template> |
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<script> |
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import flvjs from 'flv.js' |
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export default { |
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props: { |
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url: { |
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type: String, |
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default: '' |
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} |
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}, |
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data() { |
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return { |
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// id: '1', |
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player: null, |
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lastDecodedFrames: 0, |
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loading: false |
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} |
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}, |
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watch: { |
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url: { |
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handler() { |
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if (this.player) { |
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this.player.unload(); |
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this.player.destroy(); |
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this.player = null; |
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} |
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this.playVideo() |
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}, |
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deep: true |
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} |
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}, |
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mounted() { |
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if (this.player) { |
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//this.player.stream.close(); |
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this.player.unload(); |
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this.player.destroy(); |
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this.player = null; |
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} |
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this.$nextTick(() => { |
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this.playVideo() |
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//延迟过大手动跳帧 |
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/* setInterval(() => { |
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if (this.player.buffered.length) { |
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let end = this.player.buffered.end(0);//获取当前buffered值 |
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let diff = end - this.player.currentTime;//获取buffered与currentTime的差值 |
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console.log('跳帧',diff) |
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if (diff >= 0.5) {//如果差值大于等于0.5 手动跳帧 这里可根据自身需求来定 |
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this.player.currentTime = this.player.buffered.end(0);//手动跳帧 |
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} |
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} |
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}, 2000); //2000毫秒执行一次*/ |
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}) |
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}, |
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beforeDestroy() { |
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this.destroyFlv() |
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}, |
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methods: { |
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fullScreen() { |
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if (this.$refs.player.requestFullScreen) { |
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this.$refs.player.requestFullScreen() |
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} else if (this.$refs.player.mozRequestFullScreen) { |
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this.$refs.player.mozRequestFullScreen() |
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} else if (this.$refs.player.webkitRequestFullScreen) { |
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this.$refs.player.webkitRequestFullScreen() |
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} |
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}, |
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playVideo() { |
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const time1 = new Date().getTime(); |
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if (flvjs.isSupported()) { |
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let video = this.$refs.player; |
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if (video) { |
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this.loading = true; |
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//创建播放器实例 |
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this.player = flvjs.createPlayer({ |
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type: 'flv', |
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isLive: true, |
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url: this.url |
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},{ |
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enableStashBuffer: false, |
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autoCleanupSourceBuffer: true, |
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lazyLoad:false |
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}); |
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this.player.attachMediaElement(video); |
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try { |
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this.player.load(); |
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this.player.play().then(() => { |
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console.log("首屏打开用时", new Date().getTime() - time1); |
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this.loading = false |
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}) |
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this.listenVideo() |
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} catch (error) { |
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this.loading = false |
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console.log("播放失败", error) |
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} |
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} |
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} |
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}, |
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// 监听视频流是否断流或者卡顿 |
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listenVideo() { |
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const that = this; |
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this.player.on(flvjs.Events.ERROR, (errorType, errorDetail, errorInfo) => { |
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console.log("视频播放出错，错误类型：", errorType,"错误详情：",errorDetail,"错误信息：",errorInfo); |
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// 视频出错后销毁重建 |
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that.destroyFlv(); |
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that.playVideo(); |
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} |
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); |
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// 视频断流 |
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this.player.on("statistics_info", function (res) { |
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if(that.lastDecodedFrames === 0){ |
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that.lastDecodedFrames = res.decodedFrames |
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return |
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} |
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if(that.lastDecodedFrames != res.decodedFrames){ |
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that.lastDecodedFrames = res.decodedFrames |
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}else{ |
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that.lastDecodedFrames = 0 |
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//that.destroyFlv() |
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//that.playVideo() |
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} |
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}); |
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}, |
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//销毁 |
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destroyFlv() { |
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if (this.player) { |
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this.player.pause(); |
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this.player.unload(); |
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this.player.detachMediaElement(); |
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this.player.destroy(); |
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this.player = null; |
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} |
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}, |
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}, |
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} |
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</script> |
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<style lang="scss"> |
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.video-box { |
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width: 100%; |
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height: 100%; |
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video { |
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width: 100%; |
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height: 100%; |
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object-fit: fill; |
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} |
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.demo-video{ |
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background-color: #4b4b4b; |
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} |
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//播放按钮 |
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/*video::-webkit-media-controls-play-button { |
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display: none; |
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} |
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video::-webkit-media-controls-current-time-display { |
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display: none; |
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} |
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video::-webkit-media-controls-timeline { |
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display: none; |
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}*/ |
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} |
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</style> |
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export const actualLocationList = [ |
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{ |
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code: "K54", |
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name: "殷家林枢纽", |
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intervalDistance: 0.0, |
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lng: 116.865231, |
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lat: 36.57973, |
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}, |
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{ |
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code: "K59", |
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name: "大学城收费站", |
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intervalDistance: 4.895, |
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lng: 116.814343, |
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lat: 36.581052, |
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}, |
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{ |
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code: "K72", |
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name: "长清收费站", |
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lng: 116.865231, |
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intervalDistance: 13.558, |
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lat: 36.57973, |
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}, |
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{ |
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code: "K79", |
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name: "长清服务区", |
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intervalDistance: 6.163, |
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lng: 116.697041, |
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lat: 36.428953, |
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}, |
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{ |
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code: "K83", |
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name: "松林枢纽", |
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intervalDistance: 4.875, |
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lng: 116.496503, |
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lat: 36.292459, |
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}, |
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{ |
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code: "K86", |
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name: "孝里收费站", |
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intervalDistance: 2.614, |
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lng: 116.638217, |
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lat: 36.38667, |
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}, |
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{ |
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code: "K99", |
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name: "*平阴北收费站", |
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intervalDistance: 13.251, |
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lng: 116.447305, |
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lat: 36.32884, |
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}, |
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{ |
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code: "K105", |
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name: "平阴收费站", |
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intervalDistance: 6.154, |
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lng: 116.482042, |
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lat: 36.276899, |
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}, |
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{ |
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code: "K114", |
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name: "平阴停车区", |
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intervalDistance: 8.501, |
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lng: 116.459654, |
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lat: 36.204811, |
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}, |
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{ |
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code: "K117", |
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name: "孔村枢纽", |
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intervalDistance: 3.473, |
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lng: 116.454379, |
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lat: 36.173621, |
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}, |
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{ |
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code: "K126", |
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name: "平阴南收费站", |
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intervalDistance: 8.345, |
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lng: 116.445836, |
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lat: 36.100732, |
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}, |
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{ |
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code: "K139", |
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name: "东平服务区", |
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intervalDistance: 13.594, |
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lng: 116.417716, |
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lat: 35.984511, |
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}, |
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{ |
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code: "K145", |
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name: "东平收费站", |
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intervalDistance: 6.116, |
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lng: 116.414862, |
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lat: 35.930073, |
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}, |
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{ |
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code: "K155", |
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name: "东平湖枢纽", |
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intervalDistance: 9.719, |
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lng: 116.381047, |
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lat: 35.844376, |
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}, |
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{ |
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code: "K159", |
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name: "沙河停车区", |
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lng: 116.366287, |
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intervalDistance: 3.504, |
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lat: 35.823098, |
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}, |
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{ |
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code: "K173", |
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name: "*梁山东收费站", |
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intervalDistance: 14.794, |
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lng: 116.222211, |
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lat: 35.684336, |
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}, |
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{ |
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code: "K179", |
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name: "梁山收费站", |
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intervalDistance: 5.446, |
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lng: 116.222163, |
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lat: 35.684368, |
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}, |
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{ |
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code: "K186", |
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name: "梁山服务区", |
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intervalDistance: 6.665, |
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lng: 116.177576, |
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lat: 35.638136, |
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}, |
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{ |
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code: "K190", |
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name: "嘉祥西收费站", |
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intervalDistance: 4.434, |
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lng: 116.142081, |
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lat: 35.610556, |
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}, |
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{ |
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code: "K208", |
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name: "王官屯枢纽", |
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intervalDistance: 18.484, |
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lng: 116.073032, |
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lat: 35.462815, |
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}, |
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]; |
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export const canvasList = [ |
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{ |
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name: "殷家林枢纽", |
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code: "K54+394", |
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line: "G3京台高速", |
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isFoot: true, |
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distance: 171, |
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}, |
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{ name: "大学城收费站", code: "K59+289", distance: 50.563 }, |
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{ name: "长清收费站", code: "K72+847", distance: 140.05 }, |
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{ name: "长清服务区", code: "K79+010", distance: 63.66 }, |
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{ |
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name: "松竹枢纽", |
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code: "K83+885", |
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line: "S0101济南绕城高速二环西环段", |
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distance: 50.358, |
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}, |
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{ name: "孝里收费站", code: "K86+499", distance: 27 }, |
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{ name: "平阴北收费站", code: "K99+750", distance: 136.88 }, |
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{ name: "平阴收费站", code: "K105+904", distance: 63.57 }, |
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{ name: "平阴停车区", code: "K114+405", distance: 87.815 }, |
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{ |
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name: "孔村枢纽", |
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code: "K117+878", |
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line: "G22青兰高速", |
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distance: 35.876, |
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}, |
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{ name: "平阴南收费站", code: "K126+223", distance: 86.2 }, |
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{ name: "东平服务区", code: "K139+817", distance: 140.42 }, |
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{ name: "东平收费站", code: "K145+933", distance: 63 }, |
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{ |
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name: "东平湖枢纽", |
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code: "K155+652", |
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line: "S30董梁高速", |
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distance: 70, |
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}, |
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{ name: "沙河停车区", code: "K159+156", distance: 70 }, |
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{ name: "梁山东收费站", code: "K173+950", distance: 70 }, |
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{ name: "梁山收费站", code: "K179+396", distance: 70, icon: "tag4" }, |
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{ name: "梁山服务区", code: "K186+061", distance: 70 }, |
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{ name: "嘉祥西收费站", code: "K190+495", distance: 70 }, |
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{ |
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name: "王官屯枢纽", |
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code: "K208+979", |
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line: "G1511日兰高速", |
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distance: 120, |
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}, |
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]; |
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After Width: | Height: | Size: 31 KiB |
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After Width: | Height: | Size: 1.2 KiB |
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After Width: | Height: | Size: 1.2 KiB |
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After Width: | Height: | Size: 1.3 KiB |
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After Width: | Height: | Size: 1.2 KiB |
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After Width: | Height: | Size: 1.5 KiB |
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<template> |
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<div class="bg" id="content"></div> |
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</template> |
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<script> |
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import { getScaleByActualData } from './utils' |
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function setFont(size, bold = 'normal', family = '微软雅黑') { |
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return `${bold} ${size}px ${family}` |
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} |
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export default { |
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data() { |
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return { |
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list: getScaleByActualData() |
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} |
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}, |
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mounted() { |
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this.$nextTick(() => { |
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this.mapInit() |
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}) |
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}, |
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methods: { |
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async mapInit() { |
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var content = document.getElementById('content') |
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const width = content.clientWidth |
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const height = content.clientHeight |
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const zoom = 3 |
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const canvas = document.createElement('canvas') |
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canvas.style.width = width + 'px' |
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canvas.style.height = height + 'px' |
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const w = width * zoom |
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const h = height * zoom |
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canvas.width = w |
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canvas.height = h |
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content.appendChild(canvas) |
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const ctx = canvas.getContext('2d') |
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ctx.textAlign = 'center' |
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ctx.textBaseline = 'middle' |
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var imgbg = await this.loadImage(require('./images/bg.png')) |
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ctx.drawImage(imgbg, 0, 0, w, h) |
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ctx.font = setFont(12 * zoom) |
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ctx.fillStyle = '#ffffff' |
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ctx.fillText('G2001济南绕城高速', 66 * zoom, h / 2 - 21 * zoom) |
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ctx.fillText('G3021德上高速', w - 50 * zoom, h / 2 - 21 * zoom) |
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ctx.font = setFont(12 * zoom, 'italic 900', 'Arial Black') |
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ctx.fillStyle = '#ddc85a' |
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ctx.fillText('项目起点', 210 * zoom, h / 2 - 50 * zoom) |
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ctx.fillText('K55+378.7', 210 * zoom, h / 2 - 33 * zoom) |
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ctx.fillText('项目终点', w - 210 * zoom, h / 2 - 50 * zoom) |
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ctx.fillText('K208+153.4', w - 210 * zoom, h / 2 - 33 * zoom) |
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ctx.font = setFont(12 * zoom) |
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ctx.translate(-25 * zoom, 210 * zoom) |
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this.drawCongestionAreas(ctx, 1404, 80, zoom) |
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// this.drawCongestionAreas(ctx, 1365, 150, zoom) |
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for (let i of this.list) { |
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await this.drawTag(i, zoom, ctx) |
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} |
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}, |
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async drayLine(zoom, text, ctx, isFoot = false) { |
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ctx.setLineDash([4 * zoom, 4 * zoom]) |
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ctx.strokeStyle = '#37B5D4' |
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ctx.lineWidth = 6 |
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if (isFoot) { |
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ctx.translate(0, 12 * zoom) |
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ctx.strokeRect(0, 0, 1, 161 * zoom) |
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ctx.translate(0, -12 * zoom) |
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} else { |
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ctx.strokeRect(0, 0, 1, 135 * zoom) |
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} |
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ctx.fillStyle = '#37B5D4' |
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ctx.translate(0, -16 * zoom) |
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if (isFoot) { |
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ctx.fillText(text, 0, 54) |
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ctx.translate(0, 226 * zoom) |
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ctx.fillText(text, 0, -90) |
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} else { |
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ctx.fillText(text, 0, 18) |
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} |
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}, |
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async drawTag(info, zoom, ctx) { |
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let type = '3' |
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if (info.name.indexOf('枢纽') !== -1) { |
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type = '0' |
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} else if (info.name.indexOf('服务区') !== -1) { |
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type = '2' |
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} else if (info.name.indexOf('停车区') !== -1) { |
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type = '1' |
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} |
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if (type === '0') { |
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ctx.translate(info.distance * zoom, -188 * zoom) |
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ctx.font = setFont(12 * zoom, '600') |
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await this.drayLine(zoom, info.line, ctx, info.isFoot) |
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if (info.isFoot) { |
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ctx.translate(-10 * zoom, -180 * zoom) |
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} else { |
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ctx.translate(-10 * zoom, 35 * zoom) |
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} |
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if (info.name === '东平湖枢纽') { |
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const r = -110 |
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ctx.rotate((r * Math.PI) / 180) |
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ctx.strokeRect(-15 * zoom, 0, 1, 90 * zoom) |
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ctx.rotate((r * Math.PI) / -180) |
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ctx.fillText('S33济徐高速', 124 * zoom, -27 * zoom) |
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} |
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} else { |
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ctx.translate(info.distance * zoom, -169 * zoom) |
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} |
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let y = 42 - (info.name.length - 5) * 10 |
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ctx.fillStyle = '#ffffff' |
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ctx.font = setFont(12 * zoom) |
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var img = await this.loadImage(require(`./images/${info.icon || `tag${type}`}.png`)) |
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ctx.drawImage(img, 0, 0, 21 * zoom, 117 * zoom) |
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ctx.translate(11.1 * zoom, y * zoom) |
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for (var i = 0; i < info.name.length; i++) { |
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ctx.fillText(info.name[i], 0, i * 15 * zoom) |
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} |
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ctx.translate(0, (169 - y) * zoom) |
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ctx.font = setFont(10.5 * zoom) |
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ctx.fillText(info.code, 0, -139) |
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}, |
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loadImage(url) { |
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return new Promise((resolve, reject) => { |
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const img = new Image() |
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img.setAttribute('crossOrigin', 'anonymous') |
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img.src = url |
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img.onload = () => { |
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// 当图像加载完成后进行resolve |
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resolve(img) |
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} |
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img.onerror = () => { |
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reject(new Error('图像加载失败')) |
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} |
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}) |
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}, |
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drawCongestionAreas(ctx, x, y, zoom) { |
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const { e: translateX, f: translateY } = ctx.getTransform() |
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x = translateX * -1 + x * zoom |
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y = translateY * -1 + y * zoom |
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const rectWidth = 180 * zoom |
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const rectHeight = 8 * zoom |
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const grad = ctx.createLinearGradient(x, 0, x + rectWidth, 0) |
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grad.addColorStop(0, 'rgba(217,50,8,0)') |
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grad.addColorStop(0.27, '#D73208') |
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grad.addColorStop(0.42, '#D93208') |
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grad.addColorStop(0.81, '#F5FF83') |
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grad.addColorStop(1, 'rgba(215,50,8,0)') |
|||
|
|||
ctx.fillStyle = grad |
|||
|
|||
ctx.fillRect(x, y, rectWidth, rectHeight) |
|||
} |
|||
} |
|||
} |
|||
</script> |
|||
|
|||
<style scoped lang="scss"> |
|||
.bg { |
|||
height: 100%; |
|||
width: 100%; |
|||
} |
|||
</style> |
|||
@ -0,0 +1,20 @@ |
|||
import { actualLocationList, canvasList } from "./data.js"; |
|||
|
|||
export function getScaleByActualData() { |
|||
const actualDis = actualLocationList.reduce( |
|||
(count, item) => count + item.intervalDistance, |
|||
0 |
|||
); |
|||
|
|||
const idleCanvasWidth = 1440; |
|||
|
|||
const ratio = idleCanvasWidth / actualDis; |
|||
|
|||
return canvasList.map((item, index) => { |
|||
if (index) { |
|||
item.distance = actualLocationList[index].intervalDistance * ratio; |
|||
} |
|||
|
|||
return item; |
|||
}); |
|||
} |
|||
Loading…
Reference in new issue