JS 操作文件夹

//获取图片保存目录
function SavePicturePath()
{
    var picStr = "../My Documents/My Pictures/SZVID_Picture";
    var nowTime = new Date();
    var datePath = picStr + "/" 
            + nowTime.getFullYear() + "-" 
            + nowTime.getMonth() + "-"
            + nowTime.getDay();
    var fso = new ActiveXObject("Scripting.FileSystemObject");     
    if(fso.FolderExists(picStr) == false)
    {
        fso.CreateFolder(picStr);
    }
    
    if(fso.FolderExists(datePath) == false)
    {
        fso.CreateFolder(datePath);
    }
    return datePath;
}