引入JS

header中插入以下代码

<script>
    // DPlayer API
    document.addEventListener('DOMContentLoaded', initDplayer);
    function initDplayer() {
        const common = {
            loadResource: function (id, resource, type, callback) {
                let loaded = document.head.querySelector('#' + id);
                if (loaded) {
                    callback();
                    return;
                }
                const element = document.createElement(type);
                element.onload = element.onreadystatechange = () => {
                    if (!loaded && (!element.readyState || /loaded|complete/.test(element.readyState))) {
                        element.onload = element.onreadystatechange = null;
                        loaded = true;
                        callback();
                    }
                }
                if (type === 'link') {
                    element.rel = 'stylesheet';
                    element.href = resource;
                } else {
                    element.src = resource;
                }
                element.id = id;
                document.getElementsByTagName('head')[0].appendChild(element);
            },
            loadResources: function (callback) {
                const cdn = '//s0.pstatp.com/cdn/expire-1-M';
                const resources = [
                    '/dplayer/1.25.0/DPlayer.min.css',
                    '/dplayer/1.25.0/DPlayer.min.js',
                    '/hls.js/0.12.4/hls.light.min.js',
                    '/flv.js/1.5.0/flv.min.js'
                ];
                let unloadedResourceCount = resources.length;
                resources.forEach(resource => {
                    this.loadResource(btoa(resource).replace(/[=+\/]/g, ''), cdn + resource,
                        ({
                            'css': 'link',
                            'js': 'script'
                        })[resource.split('.').pop()],
                        () => --unloadedResourceCount ? null : callback()
                    );
                });
            },
            createDplayers: function (sources, callback) {
                for (let i = 0; i < sources.length; i++) {
                    const child = document.createElement('div');
                    const src = sources[i].getAttribute('src');
                    sources[i].parentNode.insertBefore(child, sources[i]);
                    sources[i].style.display = 'none';
                    const type = src.split('.').pop();
                    const option = { url: src };
                    type === 'flv' ? option.type = type : null;
                    const dplayer = new DPlayer({ container: child, preload: 'none', autoplay: false, screenshot: false, video: option });
                }
                if (typeof callback === 'function') callback();
            }
        };
        const mirages = {
            isMirages: function () { return Mirages || false },
            fixVideoSize: function (length) {
                let outerTimer = false;
                const outerInterval = setInterval(() => {
                    if (outerTimer) return;
                    const videos = document.getElementsByTagName('video');
                    if (videos.length === length) {
                        const dplayerWraps = document.querySelectorAll('.dplayer-video-wrap');
                        for (let i = 0; i < length; i++) {
                            const videoContainers = dplayerWraps[i].querySelectorAll('.video-container.video-4-3');
                            if (videoContainers.length) {
                                videoContainers[0].style = 'position: initial;';
                                videoContainers[0].className = 'video-container video-16-9';
                                console.log('video-4-3 fixed.');
                            } else {
                                const videoContainer = document.createElement('div');
                                videoContainer.style = 'position: initial;';
                                videoContainer.className = 'video-container video-16-9';
                                videoContainer.appendChild(videos[i]);
                                dplayerWraps[i].appendChild(videoContainer);
                                console.log('video-16-9 inserted.');
                                const targetNode = videoContainer;
                                const config = { childList: true };
                                const callback = (mutationsList, observer) => {
                                    const newVideoContainers = videoContainer.querySelectorAll(
                                        '.video-container.video-4-3');
                                    if (newVideoContainers.length) {
                                        newVideoContainers[0].className = '';
                                        console.log('auto inserted video-4-3 fixed.');
                                        observer.disconnect();
                                    }
                                };
                                const observer = new MutationObserver(callback);
                                observer.observe(targetNode, config);
                                setTimeout(() => observer.disconnect(), 1000 * 120);
                            }
                        }
                        outerTimer = true;
                        clearInterval(outerInterval);
                    }
                }, 500);
            }
        };
        const dps = document.getElementsByTagName('dp');
        if (dps.length !== 0) {
            common.loadResources(() => common.createDplayers(dps, () => {
                // 修正 Mirages 视频比例错误
                mirages.isMirages() ? mirages.fixVideoSize(dps.length) : null;
            }));
        }
    };
</script>

添加播放器

在文章所需位置以 html 形式插入代码,即可添加播放器,支持 m3u8mp4flvmkv 格式,不过编码必须是 H.264 AAC

<dp src="demo.mp4"></dp>

Q.E.D.


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