var blob = new Blob(byteArrays, { type: contentType }); //blob轉file var file = new File([blob], filename, {type: contentType, lastModified: Date.now()}); //或者 var file = new File([byteArrays], filename, {type: contentType, lastModified: Date.now()});
注:該代碼適用於Chrome和Firefox,但不適用於IE
轉載自:https://stackoverflow.com/questions/27553617/convert-blob-to-file