html frameset

两个frame

<frameset cols="25%,75%">

  <frame name = "frame1" src="frame_a.php" />
  <frame name = "frame2"  />

</frameset>

如果在PHP中要实现在frame刷新 frame

echo "<meta http-equiv=\"Refresh\" content=\"0;url=javascript:window.open('frame_a.php','frame1');\">";