定义转换的方法
function getfilesize(size) {if (!size)return "";var num = 1024.00; //byteif (size < num)return size + "B";if (size < Math.pow(num, 2))return (size / num).toFixed(2) + "K"; //kbif (size < Math.pow(num, 3))return (size / Math.pow(num, 2)).toFixed(2) + "M"; //Mif (size < Math.pow(num, 4))return (size / Math.pow(num, 3)).toFixed(2) + "G"; //Greturn (size / Math.pow(num, 4)).toFixed(2) + "T"; //T}
调用转换方法
var size = getfilesize(base64Length)console.log('上传失败转后:',size)