1 let image = new Image();
2 image.setAttribute("crossOrigin", "anonymous");
3 image.src = url;
4 image.onload = () => {
5 let canvas = document.createElement("canvas");
6 canvas.width = image.width;
7 canvas.height = image.height;
8 let ctx = canvas.getContext("2d");
9 ctx.drawImage(image, 0, 0, image.width, image.height);
10 canvas.toBlob((blob) => {
11 let url = URL.createObjectURL(blob);
12 let Link = document.createElement("a");
13 Link.download = "下载名字";
14 Link.href = url;
15 Link.click();
16 Link.remove();
17 // 用完释放URL对象
18 URL.revokeObjectURL(url);
19 });
20 }
* url 为图片地址 如：https://t7.baidu.com/it/u=816042678,3339142019&fm=193&f.gif
标签：canvas,url,image,js,Link,本地,let,图片链接,height From： https://www.cnblogs.com/PengZhao-Mr/p/17168847.html