php网页,想弹出对话框, 消息框 简单代码 <?php echo "<script language="JavaScript">alert("OK");history.back();</script>"; ?> 或者 <?php echo "<script language="JavaScript"> "; echo " alert("你好"); "; echo " history.back(); "; echo "</script>"; exit; ?> 填出后,再返回原页面 如果不返回,删除 history.back() 即可