vue擷取video視訊中的某一幀
阿新 • • 發佈:2021-07-20
在vue中如何做到給視訊拍照,留住那一幀的美好呢?
且看程式碼
<template> <div> <video src="../assets/video.mp4" controls style="width:300px;"></video> <img :src="imgSrc"> <div> <botton @click="cutPicture"> 拍照 </botton> </div> <canvas id="myCanvas" width="343" height="200"></canvas> </div> </template> <script> exportdefault { name:"video", data() { return { imgSrc:'' }; }, methods: { //擷取當前幀的圖片 cutPicture(){ let self=this; var v = document.querySelector("video"); let canvas = document.getElementById('myCanvas')var ctx = canvas.getContext('2d'); ctx.drawImage(v, 0, 0, 343, 200); var oGrayImg = canvas.toDataURL('image/jpeg'); this.imgSrc = oGrayImg }, } } </script>