1. <iframe id="" name=""width="0" height="0" src=""></iframe>
      parent.window.location.reload();

2.  window.open( [sURL] [, sName] [, sFeatures] [, bReplace])
      window.opener.location.reload();

3. window.showModalDialog(sURL [, vArguments] [, sFeatures])
      vArguments 用 window表示，代表该window对象
      window.dialogArguments.location.reload();