文件格式化

/*文件大小转换*/
gg.core.getFileSize = function (appByts) {
    let mb = 1024 * 1024;
    if (appByts > mb) {
        let bb = appByts / (1024 * 1024);
        bb = bb.toFixed(2);
        return bb + "M";
    }
    let bk = appByts / 1024;
    bk = bk.toFixed(1);
    return bk + "K";
};
gg.core.formatVersion = function (value) {
    let ver = value.toString();
    if (ver.length > 10)
        ver = ver.substr(0, 10);
    for (let i = ver.length; i <= 9; i++)
        ver = "0" + ver;
    let data = [
        parseInt(ver.substr(0, 2)).toString(),
        parseInt(ver.substr(2, 2)).toString(),
        parseInt(ver.substr(4, 2)).toString(),
        ver.substr(6, 4)
    ];
    return data.join(".");
};