核心代码: <script type="text/javascript"> // Converts image to canvas; returns new canvas element function convertImageToCanvas(image) { var canvas = document.createElement("canvas"); canvas.width = image.width; canvas.height = image
canvas 保存图片 下载到本地 function base64Img2Blob(code){ var parts = code.split(';base64,'); var contentType = parts[0].split(':')[1]; var raw = window.atob(parts[1]); var rawLength = raw.length; var uInt8Array = new Uint8Array(rawLength); for (var i = 0; i