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April 12, 2024 03:07
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Download multiple images with html file by pure JavaScript(jszip.js)
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| </head> | |
| <body> | |
| <script type="text/javascript" src="//stuk.github.io/jszip/dist/jszip.js"></script> | |
| <script type="text/javascript" src="//stuk.github.io/jszip-utils/dist/jszip-utils.js"></script> | |
| <script type="text/javascript" src="//stuk.github.io/jszip/vendor/FileSaver.js"></script> | |
| <img src="google.png" id="google" /> | |
| <img src="smile.gif" id="smile" /> | |
| <script> | |
| window.onload = function(){ | |
| function getBase64Image(img) { | |
| var canvas = document.createElement("canvas"); | |
| canvas.width = img.width; | |
| canvas.height = img.height; | |
| var ctx = canvas.getContext("2d"); | |
| ctx.drawImage(img, 0, 0); | |
| var dataURL = canvas.toDataURL("image/png"); | |
| return dataURL.replace(/^data:image\/(png|jpg);base64,/, ""); | |
| } | |
| var img1 = getBase64Image(document.getElementById("google")); | |
| var img2 = getBase64Image(document.getElementById("smile")); | |
| var zip = new JSZip(); | |
| zip.file("Hello.html", "Hello World\n"); | |
| zip.folder("images"); | |
| var img = zip.folder("images"); | |
| img.file("google.png", img1, {base64: true}); | |
| img.file("smile.gif", img2, {base64: true}); | |
| zip.generateAsync({type:"blob"}).then(function(content) { | |
| saveAs(content, "edm8.zip"); | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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