php求指教
没有办法了 总是语法错误
<?php
include('con.php');
if(!$_SESSION["username"])
{echo"你还没有<a href=dl.php>登陆</a>";}
echo"<a href=?a=mima>修改密码</a>";if($a==mima)
{echo <<<修改密码
<form method="post" action="
"">原密码<br><input type="password" name="passx" />新密码<br><input type="password" name="pass" /><br>再次输入新密码<br><input type="password" name="passy" /><input type="submit"name="wg"value="修改" /></form>
修改密码;
$passx=$_POST['passx'];
$pass=$_POST['pass'];
$passy=$_POST['passy'];
if(isset($_POST['wg']))
{if(!$pass==$passy)
die('二次密码不一样');
elseif
{
$yh=$_SESSION["username"];
$sqla="SELECT * FROM user
WHERE name='$yh' and password='$passx'";
$b=mysql_query($sqla);
$row=mysql_fetch_array($b);while($pas=$row['password'];
if($pas!=$passx){echo'原密码输入不正确';})
}
else{$s="UPDATE user SET password='$passy' WHERE username = '$yh'";
if(mysql_query($s)){ echo "更新数据成功!";} else { echo "更新数据失败".mysql_error();
}
}}
?>
include('con.php');
if(!$_SESSION["username"])
{echo"你还没有<a href=dl.php>登陆</a>";}
echo"<a href=?a=mima>修改密码</a>";if($a==mima)
{echo <<<修改密码
<form method="post" action="
"">原密码<br><input type="password" name="passx" />新密码<br><input type="password" name="pass" /><br>再次输入新密码<br><input type="password" name="passy" /><input type="submit"name="wg"value="修改" /></form>
修改密码;
$passx=$_POST['passx'];
$pass=$_POST['pass'];
$passy=$_POST['passy'];
if(isset($_POST['wg']))
{if(!$pass==$passy)
die('二次密码不一样');
elseif(isset($_POST['passx']))
{
$yh=$_SESSION["username"];
$sqla="SELECT * FROM user
WHERE name='$yh' and password='$passx'";
$b=mysql_query($sqla);
$row=mysql_fetch_array($b);$pas=$row['password'];
if($pas!=$passx){echo'原密码输入不正确';}
}
else{$s="UPDATE user SET password='$passy' WHERE username = '$yh'";
if(mysql_query($s)){ echo "更新数据成功!";} else { echo "更新数据失败".mysql_error();
}
}}
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