在A窗口中打开B窗口，在B窗口中操作完以后关闭B窗口，同时自动刷新A窗口

function closeWin()
{
    hasClosed = true;
    window.opener.location="javascript:reloadPage();";
    window.opener=null;
    window.close();
}
function reloadPage()
{
    history.go(0);
    document.execCommand("refresh")
    document.location = document.location;
    document.location.reload();
}