js 下载图片的插件下载链接

import { saveAs } from 'file-saver';

// 假设你有一个Blob对象代表图片
const imageBlob = new Blob([/* 图片数据 */], { type: 'image/png' });
saveAs(imageBlob, 'image.png');

const canvas = document.getElementById('myCanvas');
canvas.toBlob(function(blob) {
    saveAs(blob, 'image.png');
}, 'image/png');

fetch('path/to/image.png')
    .then(response => response.blob())
    .then(blob => {
        saveAs(blob, 'image.png');
    })
    .catch(console.error);

const xhr = new XMLHttpRequest();
xhr.open('GET', 'path/to/image.png', true);
xhr.responseType = 'blob';
xhr.onload = function() {
    if (this.status == 200) {
        saveAs(this.response, 'image.png');
    }
};
xhr.send();