1
因此，無論何時單擊添加按鈕並更新數據庫，我都必須刷新頁面才能看到結果，而不是頁面自動刷新後點擊「更新數據庫」。刪除按鈕不起作用，必須刷新頁面才能看到更新的數據庫結果
另外，我的刪除按鈕根本不起作用。請幫助d：
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Movie Project</title>
</head>
<body>
<h1 style='text-align:center;'>Movie Collection Database</h1>
<form action="<?php echo $_SERVER['PHP_SELF'];?>" method='post'>
<table align='center' border='0' cellpadding='3'>
<tr>
<?php
$fieldsArray = array("Title", "Studio", "Rating", "Pub. Year", "IMDB Rating", "Run Time(min)", "Add");
echo "<tr>";
for($i=0;$i<7;$i++)
{
echo "<td>". $fieldsArray[$i]. "</td>";
}//end for
echo "</tr>";
?>
</tr>
<tr>
<td colspan='1' style='text-align:center'>
<input type="text" name="title" value="Movie Title">
</td>
<td>
<input type="text" name="studName" value="Studio Name">
</td>
<td>
<select name="movieRating">
<option value="G">G</option>
<option value="PG">PG</option>
<option value="PG-13">PG-13</option>
<option value="R">R</option>
<option value="NC-17">NC-17</option>
<option value="Not Rated">Not Rated</option>
</select>
</td>
<td>
<input type="text" name="pubYear" value="2015">
</td>
<td>
<input type="number" name="IMDBRating" value="10.0">
</td>
<td>
<input type="number" name="time" value="0">
</td>
<td>
<input type="checkbox" name="addBox">
</td>
</tr>
</table>
<table align='center'>
<tr>
<td>
<input type="submit" name="submit" value="Update Database">
</td>
</tr>
</table>
</form>
<?php
echo "<table align = 'center', border = '1' >";
try
{
$db = new PDO("mysql:host=localhost;dbname=buckel", "buckel", "12345");
}
catch (PDOException $error)
{
die("Connection failed: ". $error->getMessage());
}
try
{
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch (PDOException $error)
{
$db->rollback();
echo "Transaction not completed: " . $error->getMessage();
}
include_once("Function.php");
if($_SERVER['REQUEST_METHOD']==="POST")
{
Delete($db);
$fieldsArray = array("Title", "Studio", "Rating", "Pub. Year", "IMDB Rating", "Run Time(min)", "Delete");
echo "<tr>";
for($i=0;$i<7;$i++)
{
echo "<td>". $fieldsArray[$i]. "</td>";
}//end for
echo "</tr>";
$query = "SELECT * FROM movie";
$statement = $db->prepare($query);
$statement->execute();
foreach(Prepare($db) as $row)
{
echo "<tr><td>" .$row['title'] . "</td>";
echo "<td>" .$row['studio'] . "</td>";
echo "<td>" .$row['rating'] . "</td>";
echo "<td>" .$row['pub_year'] . "</td>";
echo "<td>" .$row['imdb_rating'] . "</td>";
echo "<td>" .$row['run_time'] . "</td>";
echo "<td><input type='checkbox' name='". $row['id']. "' value='". $row['id']. "'>Delete</td></tr>";
}//end foreach
echo "</table>";
if(isset($_POST['addBox']))
{
$title=$_POST['title'];
$studio=$_POST['studName'];
$year=$_POST['pubYear'];
$movieRating=$_POST['movieRating'];
$IMDBRating=$_POST['IMDBRating'];
$time=$_POST['time'];
try{
$query2= $db->prepare("INSERT INTO movie (id, title, studio, rating, pub_year, imdb_rating, run_time) value (".'NULL'.", '$title','$studio','$movieRating','$year','$IMDBRating','$time')");
$query2->execute();
}//end try
catch(PDOException $error)
{
$db->rollback();
echo "There was an error";
$db=null;
die("Connection failed:" . $error->getMessage());
}//end catch
}//end if
if(isset($db))
$db=null;
}//end if for whole thing
?>
</body>
</html>
這裏是我打電話
<?php
function Prepare($db)
{
$q = $db->prepare("SELECT * FROM movie");
$q->execute();
return $q->fetchAll();
}//end Prepare(db object)
function Delete($db)
{
$q = $db->prepare("SELECT * FROM movie");
$q->execute();
foreach($q->fetchAll() as $row)
{
if(array_key_exists($row['id'], $_POST))
{
$q = $db->prepare("DELETE FROM movie WHERE movie.id=" . $row['id']);
$q->execute();
}//end if
}//end foreach
}//end Delete(db object)
提交表單將刷新頁面提交，可能是一個緩存的問題 – 2015-10-19 01:53:04