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我有一個問題，我無法解決。我在html中做了一個登錄頁面，它將訪問accesso.php兩個參數：用戶名和密碼。一旦出現這種情況，如果用戶名和密碼正確，我可以將數據添加到此特定登錄名。如果我回到登錄表單，並在字段中用另一個用戶名和密碼簽名以刪除某些記錄（第112行），則沒有以前登錄和刷新自身的記錄。你知道在會議上幫助我嗎？這是我的代碼。PHP和會話登錄和註銷
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<style type="text/css">
#main{
margin:0 auto;
padding:0;
background-color:grey;
/*Stile shadow dietro css3*/
/*-moz-box-shadow: 5px 5px 100px #FFF;*/
/*-webkit-box-shadow: 5px 5px 50px #FFF;*/
/*box-shadow: 10px 10px 5px #FFF;*/
/*consiglio sempre di specificare le dimensioni del main*/
width:500px;
height:950px;
margin-top:110px;
/*Bordi arrotondati css3*/
-moz-border-radius: 85px;
-webkit-border-radius: 15px;
border-radius: 15px;
}
#centro{
position:absolute;
margin-left:70px;
margin-top:20px;
}
h1{
color:red;
}
p{
color:red;
}
</style>
</head>
<?php
$archivio=mysql_connect("localhost","root","");
$select=mysql_select_db("disco");
$username = $_POST["utente"]; //username
$password = $_POST["password"]; //password
session_start();
$provaT = $_SESSION['username'];//nome del locale non so come lo trova
echo $provaT;//stampa a video nome del locale
mysql_query("SET NAMES utf8"); // per caratteri speciali
$sql = "SELECT * FROM locali WHERE username = '$username' AND password = '$password'"; //query verifica se username e password coincidono
$res = mysql_query($sql) or die (mysql_error());
if(mysql_num_rows($res) > 0)//se è presente
{
while($row = mysql_fetch_array($res)) {
$_SESSION['username'] = $row['nome']; // la sessione prende il nome della colonna nome del db
?>
<body background="texture_disco.jpg">
<div id="main">
<div id="centro">
<?php
echo "<h1>Benvenuto ".$row['nome']."</h1>";
$space = str_replace(' ',"",$provaT);
$risultato=mysql_query("SELECT * FROM $space");
?>
<form method="post" action="prova.php" >
<h5>titolo</h5>
<input type="name" name="nome" value="" id="nome">
<br>
<br>
<br>
<textarea name="des" rows="20" cols="45">
Scrivi qui la tua recensione (Max 1000 caratteri ...)
</textarea>
<br>
<br>
<input type="name" name="link" value="" id="link">
<br>
<br>
<input type="submit" value="Inserisci Evento">
</form>
<form method="post" action="delete.php" >
<select name ="record">
<?php
while($ok=mysql_fetch_array($risultato))
{
echo "<option value='".$ok['_id']."'>".$ok['nome']."</option>";
}
echo '<h1>'.$ok['nome'].'</h1>';
?>
</select>
<input type="submit" value="Elimina evento" name="delete">
</form>
<input type="submit" value="Elimina sessione" name="delete">
<?php }
}
else
{
header("Location: errore.php");
}
$gammaT=mysql_close($archivio);
?>
</html>
這是文件刪除的門在哪裏數據庫中的條目
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<style type="text/css">
#contEst{
top:70;
margin:0 auto;
padding:0;
margin-top:-30px;
background-image:url('sfondo.jpg');
/*Stile shadow dietro css3*/
/*-moz-box-shadow: 5px 5px 100px #FFF;*/
/*-webkit-box-shadow: 5px 5px 50px #FFF;*/
/*box-shadow: 10px 10px 5px #FFF;*/
/*consiglio sempre di specificare le dimensioni del main*/
width:500px;
height:500px;
margin-top:100px;
/*Bordi arrotondati css3*/
-moz-border-radius: 85px;
-webkit-border-radius: 15px;
border-radius: 15px;
}
</style>
</head>
<body>
<div id="contEst">
<?php
session_start();
$provaR = $_SESSION['username'];
echo '<h1>'.$provaR.'</h1>';
$archivio=mysql_connect("localhost","root","");
$beta=mysql_select_db("disco");
$space = str_replace(' ',"",$provaR);
$risultato=mysql_query("SELECT * FROM $space");
$canc = $_POST["record"];
$spazi_titolo =mysql_real_escape_string($canc);
$via=mysql_query("DELETE FROM $space WHERE _id='$canc'");
session_destroy();
mysql_close($archivio);
////////////////
/////////////////
echo '<h3>'."Voce cancellata correttamente".'</h3>';
//echo("$provaR"); stampa nome locale
//echo '<a href="http://localhost/disco/Accesso.php"><input type="submit" value="Torna alla Home"></a>';
if(!$_COOKIE){
echo '<a href="http://localhost/disco/Accesso.php"><input type="submit" value="Torna alla Home"></a>';
}
else{
echo "errore";
}
?>
</div>
</body>
</html>
，並在此文件「test.php的」我在數據庫
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<?php
session_start();
$provaT = $_SESSION['username'];
$title = $_POST['nome'];
$des = $_POST['des'];
$link = $_POST["link"];
$archivio=mysql_connect("localhost","root","");
$beta=mysql_select_db("disco");
$spaziT =str_replace(" ", "", $provaT);
$spazi =mysql_real_escape_string($des);
$spazi_title =mysql_real_escape_string($title);
mysql_query("INSERT INTO $spaziT(nome,descrizione,link) VALUES('$spazi_title','$spazi','$link')");
echo "Nuovo evento creato";
mysql_close($archivio);
echo '<a href="http://localhost/disco/icone.html"><input type="submit" value="Torna alla Home"></a>';
?>
</html>
請甲酸鹽你的代碼。 – Dinistro
向我們展示'delete.php'和'prova.php'中的內容 –