共计 593 个字符,预计需要花费 2 分钟才能阅读完成。
咱们可能在某些场景中须要复制图片 当不须要用户本人右键操作复制的时候,咱们能够应用 clipboard 来实现(不过 clipboard 的兼容性不是很敌对)以下为代码
HTML:<div class="imgBox"></div>
JS
let imgBox = document.querySelector('.imgBox');
let img = new Image();
img.crossOrigin = "anonymous";
img.src = 'https://dummyimage.com/300.png'
let canvas = document.createElement('canvas');
img.onload = function() {
canvas.width = img.width;
canvas.height = img.height;
let context = canvas.getContext('2d');
context.drawImage(img, 0, 0);
imgBox.appendChild(canvas)
canvas.toBlob(function(blob) {if (window.ClipboardItem) {
navigator.clipboard.write([new ClipboardItem({ [blob.type]: blob })
]);
} else {// 浏览器不反对}
}, 'image/png');
}
正文完