<?php // 弹出对话框并且返回原来的页面 echo "<script language="JavaScript"> "; echo " alert("你好"); "; // 历史返回; echo " history.back(); "; echo "</script>"; exit; ?>
<!-- php弹窗,是利用javascript --> <?php echo "<script language="JavaScript">alert("你好");</script>"; ?>
<!-- php弹窗,是利用javascript --> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <script> function del(){ if(confirm("确定要删除吗?")){ alert('删除成功!'); return true; }else{ return false; } } </script> </body> </html> <?php $button=<<<STR <button onclick="del()">删除</button> STR; echo $button; ?>
<?php $user=$_POST["user"]; $pwd=$_POST["pwd"]; if(strlen($user)==0){ alert("请输入用户名",'login.php'); exit; } if(strlen($pwd)==0){ echo '请输入密码'; exit; } if($user=="admin" && $pwd==123456){ echo '登录成功'; }else{ echo '用户名或密码错误'; } function alert($str,$url){ echo '<script>alert("'.$str.'");location.href="'.$url.'"</script>'; } ?>