php - イメージ更新 php mysql

Question

画像の更新に問題があります。サーバーへの画像の送信と新しいレコードの挿入は問題なく実行されますが、写真の編集時に編集されていません。また、データベースへのデータは、写真の責任を負わないテキストとレコードのみがスローされます。よろしくお願いいたします。

形

<?php
//1. polaczenie z baza danych
//polaczenie z baza danych + ustawienie kodowania na utf8
$dbhost = "localhost";
$dbuser = "root";
$dbpass = "3edcvfr4";
$dbname = "dw_bookstore";
$connection = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname);

//sprawdzenie polaczenia
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

//zmaiana znako na utf8
if (!mysqli_set_charset($connection, "utf8")) {
    printf("Error loading character set utf8: %s\n", mysqli_error($connection));
} else {
    printf("Kodowanie ustawione na: %s\n", mysqli_character_set_name($connection));
}
?>

<?php
    // get ID
    @$id = $_GET['id'];

    @$query  = "SELECT * FROM photographs WHERE id = '$id' ";
    //pokazuje co zostalo zmienione
    echo $query;

    $result = mysqli_query($connection, $query);
    if (!$result) {
        die("zapytanie sie nie powiodlo");
    }
    $row = mysqli_fetch_array($result);

?>


<?php
//if (!id) {
//  redirect_to("costam.php");
//  }
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Update Form</title>
</head>
<body>
        <form action="database_update_action.php" method="post" enctype="multipart/form-data" name="form1" target="_blank">
      <table border="0" cellspacing="2" cellpadding="2">
        <tr>
          <td>ID:</td>
          <td><input name="id" type="text" id="id" value="<?php echo $row['id'];?>"></td>
        </tr>
        <tr>
          <td>filename</td>
          <td><label for="filename"></label>
          <input name="filename" type="file" id="filename" value="<?php echo $row['filename'];?>"></td>
        </tr>
        <tr>
          <td>type</td>
          <td><label for="type"></label>
          <input name="type" type="text" id="type" value="<?php echo $row['type'];?>"></td>
        </tr>
        <tr>
          <td>size</td>
          <td><label for="size"></label>
          <input name="size" type="text" id="size" value="<?php echo $row['size'];?>"></td>
        </tr>
        <tr>
          <td>caption</td>
          <td><label for="caption"></label>
          <input name="caption" type="text" id="caption" value="<?php echo $row['caption'];?>"></td>
        </tr>
        <tr>
          <td>caption_2</td>
          <td><label for="caption_2"></label>
          <input name="caption_2" type="text" id="caption_2" value="<?php echo $row['caption_2'];?>"></td>
        </tr>
        <tr>
          <td>txt</td>
          <td><label for="txt"></label>
          <textarea name="txt" id="txt" cols="45" rows="5"><?php echo $row['txt']; ?></textarea></td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td><input type="submit" name="submit" id="submit" value="update"></td>
        </tr>
      </table>
    </form>

<?php
    //4. release returned data
    //mysqli_free_result($result);
?>
</body>
</html>

<?php
    // 5. Zamkniecie bazy
    mysqli_close($connection);
?>

アクション

<?php
//1. polaczenie z baza danych
//polaczenie z baza danych + ustawienie kodowania na utf8
$dbhost = "localhost";
$dbuser = "root";
$dbpass = "3edcvfr4";
$dbname = "dw_bookstore";
$connection = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname);

//sprawdzenie polaczenia
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

//zmaiana znako na utf8
if (!mysqli_set_charset($connection, "utf8")) {
    printf("Error loading character set utf8: %s\n", mysqli_error($connection));
} else {
    printf("Kodowanie ustawione na: %s\n", mysqli_character_set_name($connection));
}
?>

<?php
//2. przeslanie zdjecia wraz z danymi


    @$path = $_FILES["file"]["name"];
    @$type = $_FILES["file"]["type"];
    @$size = $_FILES["file"]["size"];
    $id = $_POST["id"];
    $caption = $_POST["caption"];
    $caption_2 = $_POST["caption_2"];
    $txt = $_POST["txt"];

    // przyklad - by moc wpisac 'costam' - tylko txt, nie "file" i "int"
    $caption = mysqli_real_escape_string($connection, $caption);
    $caption_2 = mysqli_real_escape_string($connection, $caption_2);
    $txt = mysqli_real_escape_string($connection, $txt);

    // 2. Perform database query
    $query  = "UPDATE photographs SET ";
    $query .= "id = '{$id}', ";
    $query .= "filename = '{$path}', ";
    $query .= "size = '{$size}', ";
    $query .= "type = '{$type}', ";
    $query .= "caption = '{$caption}', ";
    $query .= "caption_2 = '{$caption_2}', ";
    $query .= "txt = '{$txt}' ";
    $query .= "WHERE id = {$id}";
    echo $query;

    //$query  = "INSERT INTO photographs (";
    //$query .= "  filename, type, size, caption, caption_2, txt";
    //$query .= ") VALUES (";
    //$query .= "  '{$path}', '{$type}', '{$size}', '{$caption}', '{$caption_2}', '{$txt}'";
    //$query .= ")";

    $result = mysqli_query($connection, $query);
    if ($result) {
        // Success
        // redirect_to("somepage.php");
        echo " Sukces! Dane zostaly przeslane na serwer. ";
    } else {
        // Failure
        // $message = "Subject creation failed";
        die("Przeslanie danych nie powiodlo sie. " . mysqli_error($connection));


        if(isset($_POST['submit'])){
    if (((@$_FILES["file"]["type"] == "image/gif")
    || (@$_FILES["file"]["type"] == "image/jpeg")
    || (@$_FILES["file"]["type"] == "image/JPEG")
    || (@$_FILES["file"]["type"] == "image/jpg")
    || (@$_FILES["file"]["type"] == "image/png")
    || (@$_FILES["file"]["type"] == "image/pjpeg"))
    && (@$_FILES["file"]["size"] < 600000))
    {
        if ($_FILES["file"]["error"] > 0)
        {
            echo "Return Code: " . $_FILES["file"]["error"] . "<br>";
        }
        else
        {
        if (file_exists("../images/" . $_FILES["file"]["name"])){
                echo $_FILES["file"]["name"] . " to zdjecie juz istnieje. ";
        }
        else{
        move_uploaded_file($_FILES["file"]["tmp_name"], "../images/" .              $_FILES["file"]["name"]);


                echo " Przeslane do katalogu : " . "images/" . $_FILES["file"]["name"];



      }
     }
    }
   }
}


?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Update Action</title>
</head>
<body>
</body>
</html>
<?php
  // 5. Zamkniecie polaczenia
  mysqli_close($connection);
?>

score 0 · Accepted Answer

ここで行ったのは良いコードだと思います。今、更新できますが、画像を選択する必要があります。画像を選択していない場合、データベースの画像フィールドは空になりますが、他のデータの更新は問題ありません..

<?php
//1. polaczenie z baza danych
//polaczenie z baza danych + ustawienie kodowania na utf8
$dbhost = "localhost";
$dbuser = "root";
$dbpass = "3edcvfr4";
$dbname = "dw_bookstore";
$connection = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname);

//sprawdzenie polaczenia
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

//zmaiana znako na utf8
if (!mysqli_set_charset($connection, "utf8")) {
    printf("Error loading character set utf8: %s\n", mysqli_error($connection));
} else {
    printf("Kodowanie ustawione na: %s\n", mysqli_character_set_name($connection));
}
?>


<?php
    // get ID
    //@$id = $_GET['id'];

    if(isset($_POST['id'])){
    $id=$_POST['id'];
    }else{
    $id=$_GET['id'];
    }

    //$id = (int) $_GET['id'];
    //if(!$id) {
    //die('Brak indentyfikatora');
    //}

    @$query  = "SELECT * FROM photographs WHERE id = '$id' ";
    //pokazuje co zostalo zmienione
    echo $query;

    $result = mysqli_query($connection, $query);
    if (!$result) {
        die("zapytanie sie nie powiodlo");
    }
    $row = mysqli_fetch_array($result);

?>



<pre>
<?php
print_r($_POST);
?>
</pre>
<br />

<?php # Upload image

// sprawdzanie czy formularz został przesłany.
if (isset($_POST['submitted'])) {

    // czy użytkownik wybrał plik.
    //if (isset($_FILES['upload'])) {
    if (isset($_FILES['filename'])) {

        // sprawdzanie czy przesylany plik jest wlasciwego typu. Powinien byc albo jpg albo png
        $allowed = array ('image/pjpeg', 'image/jpeg', 'image/JPEG', 'image/JPG', 'image/X-PNG', 'image/PNG', 'image/png', 'image/x-png');
        if (in_array($_FILES['filename']['type'], $allowed)) {

            // skopiowanie pliku do katalogu na serwerze.
            if (move_uploaded_file ($_FILES['filename']['tmp_name'], "../images/{$_FILES['filename']['name']}")) {
                echo '<p><em>Sukces, plik zostal przeslany!</em></p>';
            } // koniec move... IF.

        } else { // zly typ pliku.
            echo '<p class="error">Prosze wybrac jpg albo png.</p>';
        }

    } // Koniec isset($_FILES['upload']) IF.


    @$path = $_FILES["filename"]["name"];
    @$type = $_FILES["filename"]["type"];
    @$size = $_FILES["filename"]["size"];
    @$caption = $_POST["caption"];
    @$caption_2 = $_POST["caption_2"];
    @$txt = $_POST["txt"];

    // przyklad - by moc wpisac 'costam' - tylko txt, nie "file" i "int"
    $caption = mysqli_real_escape_string($connection, $caption);
    $caption_2 = mysqli_real_escape_string($connection, $caption_2);
    $txt = mysqli_real_escape_string($connection, $txt);

   $query  = "UPDATE photographs SET ";
        $query .= "id = '{$id}', ";

    if(isset($_FILES['filename'])){
        $query .= "filename = '{$path}', ";
        $query .= "size = '{$size}', ";
        $query .= "type = '{$type}', ";
    }

        $query .= "caption = '{$caption}', ";
        $query .= "caption_2 = '{$caption_2}', ";
        $query .= "txt = '{$txt}' ";
        $query .= "WHERE id = {$id}";

    echo $query;

    $result = mysqli_query($connection, $query);
    if ($result) {
        // Success
        // redirect_to("somepage.php");
        echo " Sukces! Dane zostaly przeslane na serwer. ";
    } else {
        // Failure
        // $message = "Subject creation failed";
        die("Przeslanie danych nie powiodlo sie. " . mysqli_error($connection));

    // Check for an error:

    if ($_FILES['filename']['error'] > 0) {
        echo '<p class="error">The file could not be uploaded because: <strong>';

        // Print a message based upon the error.
        switch ($_FILES['filename']['error']) {
            case 1:
                print 'The file exceeds the upload_max_filesize setting in php.ini.';
                break;
            case 2:
                print 'The file exceeds the MAX_FILE_SIZE setting in the HTML form.';
                break;
            case 3:
                print 'The file was only partially uploaded.';
                break;
            case 4:
                print 'No file was uploaded.';
                break;
            case 6:
                print 'No temporary folder was available.';
                break;
            case 7:
                print 'Unable to write to the disk.';
                break;
            case 8:
                print 'File upload stopped.';
                break;
            default:
                print 'A system error occurred.';
                break;
        } // End of switch.

        print '</strong></p>';

    } // End of error IF.

    // Usuniecie zdjecia z folderu tymczasowego:
    if (file_exists ($_FILES['filename']['tmp_name']) && is_file($_FILES['filename']['tmp_name']) ) {
        unlink ($_FILES['filename']['tmp_name']);
    }

} // End of the submitted conditional.

}

?>


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Update Action</title>
</head>
<body>
<form enctype="multipart/form-data" action="database_update.php" method="post">
<input type="hidden" name="MAX_FILE_SIZE" value="524288">
<legend>Wybierz JPEG albo PNG. Plik nie może przekraczać 512KB:</legend>
      <table border="0" cellspacing="2" cellpadding="2">
        <tr>
          <td>ID:</td>
          <td><input name="id" type="hidden" id="id" value="<?php echo $row['id'];?>"></td>
        </tr>
        <tr>
          <td>filename</td>
          <td><label for="filename"></label>
          <input name="filename" type="file" id="filename" value="<?php echo $row['filename'];?>"></td>
        </tr>
        <tr>
          <td>caption</td>
          <td><label for="caption"></label>
          <input name="caption" type="text" id="caption" value="<?php echo $row['caption'];?>"></td>
        </tr>
        <tr>
          <td>caption_2</td>
          <td><label for="caption_2"></label>
          <input name="caption_2" type="text" id="caption_2" value="<?php echo $row['caption_2'];?>"></td>
        </tr>
        <tr>
          <td>txt</td>
          <td><label for="txt"></label>
          <textarea name="txt" id="txt" cols="45" rows="5"><?php echo $row['txt']; ?></textarea></td>
        </tr>
        <tr>
          <td>&nbsp;</td>
          <td><input type="submit" name="submit" value="Submit" />
            <input type="hidden" name="submitted" value="TRUE" />
      </td>
        </tr>
      </table>
    </form>
</body>
</html>
<?php
  // 5. Zamkniecie polaczenia
  mysqli_close($connection);
?>

php - イメージ更新 php mysql

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