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<!DOCTYPE html><html><head><meta charset="utf-8"><title></title></head><body><video id="video" controls="controls" width="400" height="300" preload="auto"><source src="./upload/63534e2688f81.mp4"></video><br><br> 视频第一帧图片：<div id="output"></div><script type="text/javascript">(function() {var video, output;var scale = 0.8;var initialize = function() {output = document.getElementById("output");video = document.getElementById("video");video.addEventListener('loadeddata', captureImage);};var captureImage = function() {var canvas = document.createElement("canvas");canvas.width = video.videoWidth * scale;canvas.height = video.videoHeight * scale;canvas.getContext('2d').drawImage(video, 0, 0, canvas.width,canvas.height);var img = document.createElement("img");img.src = canvas.toDataURL("image/png");img.width = 400;img.height = 300;console.log(img);output.appendChild(img);};initialize();})();</script></body></html>
file_put_contents('./aa.jpg',base64_decode(explode(',',$base64)[1]));
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