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瀏覽:120日期:2022-06-02 15:36:38

問(wèn)題描述

Fatal error: Call to undefined function mysql_num_row() in E:phpStudyWWW0330daimalogin_a.php on line 33

if(mysql_num_row($result)==0){

說(shuō)是這一句,下面是完整代碼

<?php

session_start();

$username=$_POST["username"];

$password=$_POST["password"];

include("config.php");

if(empty($username)){

echo ("<script type='text/javascript'> alert('用戶名不能是空的');history.go(-1);</script>");

}

if(empty($password)){

echo ("<script type='text/javascript'> alert('密碼不能是空的');history.go(-1);</script>");

}

//echo $username.$password;

$db=mysql_connect("127.0.0.1","root","root");

mysql_select_db("performance",$db);

mysql_query("SET NAMES 'GB2312'");

$_POST["username"];

$sql="select * from admin where admin_name='$username' and admin_pw='$password'";

$result=mysql_query($sql);

//$number = mysql_fetch_row($result);

//$result=mysql_fetch_array(mysql_query($sql));

if(mysql_num_row($result)==0){

echo ("<script type='text/javascript'> alert('用戶名或密碼不正確!');history.go(-1);</script>");

mysql_close();

exit;

}else{

$_SESSION["admin"]="lee";

echo "<script>location.href='Admin.html';</script>";

}

?>

問(wèn)題解答

回答1:

print_r(get_extension_funcs('mysqli'));

是mysqli_num_rows(),函數(shù)名稱寫(xiě)錯(cuò)了.細(xì)心點(diǎn)哦~

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