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何が起こっているのかを確認するために私のコードの大部分を提供する必要があると思うところに問題があります。カメラの簡単なテーブルを出力しようとしています。それらは、ユーザーが変更して適用ボタンを押すことができるフォームの一部として保管されます。変更によってdbが更新されます。問題は、私がヒットすると、行のいずれも更新しないということです。例外は最後の行（リストの最後のカメラ）です。フォームによるmysqlの更新
ご覧のとおり、私は特定の変数をエコーして、うまくいくように見えます。完全に混乱して...
<?php
// Dont allow direct linking
defined('_JEXEC') or die('Direct Access to this location is not allowed.');
//get current user
$user =& JFactory::getUser();
// get a reference to the database
$db = &JFactory::getDBO();
if (isset($_POST['apply_changes'])) {
//process changes to camera options
$camera_id = (int) $_POST['camera_id'];
echo "CAMERA ID ".$camera_id;
$camera_status = check_input($_POST['camera_status']);
echo "CAMERA STATUS ".$camera_status;
$camera_name = check_input($_POST['camera_name']);
$camera_quality = check_input($_POST['camera_quality']);
$query_insert_camera = 'UPDATE `#__cameras` SET `camera_status` ="'.$camera_status.'" WHERE `camera_id`='.$camera_id;
echo "CAMERA query ".$query_insert_camera;
$db->setQuery($query_insert_camera);
$db->query();
}
function check_input($data, $problem='')
{
$data = trim($data);
$data = stripslashes($data);
$data = htmlspecialchars($data);
if ($problem && strlen($data) == 0)
{
show_error($problem);
}
return $data;
}
function show_error($myError)
{
echo $myError;
exit();
}
echo "<html>";
echo "<head>";
?>
<script type="text/javascript">
function oncameraSubmit(camera_id)
{
//TODO get camera name i.e. "Apply changes to <camera name>"
document.active_cameras.camera_id.value = camera_id;
return confirm('Apply changes?');
}
</script>
<?php
$query_camera_name = "SELECT camera_id, camera_name, camera_status, camera_quality, camera_hash, camera_type FROM #__cameras WHERE user_id=".$user->id." AND camera_status!='DELETED'";
$db->setQuery($query_camera_name);
//get number of cameras so we can build the table accordingly
$db->query();
$num_rows = $db->getNumRows();
// We can use array names with loadAssocList.
$result_cameras = $db->loadAssocList();
echo "</head>";
echo "<body>";
//check if we have cameras running (basically someone logged in)
if (!isset($result_cameras))
{
//TODO check if query failed
}
else
{
if ($num_rows == 0)
{
echo '<b><i><center>You currently have no cameras setup. Add a Camera below.</center></i></b>';
}
else
{
?>
<form name="active_cameras" action="<?php htmlentities($_SERVER['REQUEST_URI']); ?>" method="POST">
<input type="hidden" name="camera_id" value="" />
<table id="webcam-table">
<thead>
<tr>
<th>Camera Type</th>
<th>Name</th>
<th>Quality</th>
<th>Status</th>
<th>Camera Actions</th>
</tr>
</thead>
<tbody>
<?php
for($i=0;$i<$num_rows;$i++)
{
//camera_status
if ($result_cameras[$i]["camera_status"] == "ENABLED")
{
$enabled_option = "value='ENABLED' selected='selected'";
$disabled_option = "value='DISABLED'";
}
else
{
$enabled_option = "value='ENABLED'";
$disabled_option = "value='DISABLED' selected='selected'";
}
//camera_quality
if ($result_cameras[$i]["camera_quality"] == "HIGH")
{
$high_option = "value='HIGH' selected='selected'";
$medium_option = "value='MEDIUM'";
$mobile_option = "value='MOBILE'";
}
else if ($result_cameras[$i]["camera_quality"] == "MEDIUM")
{
$high_option = "value='HIGH'";
$medium_option = "value='MEDIUM' selected='selected'";
$mobile_option = "value='MOBILE'";
}
else if ($result_cameras[$i]["camera_quality"] == "MOBILE")
{
$high_option = "value='HIGH'";
$medium_option = "value='MEDIUM'";
$mobile_option = "value='MOBILE' selected='selected'";
}
else
{
//TODO proper logging
}
//camera_type
if ($result_cameras[$i]["camera_type"] == "WEBCAM")
{
$webcam = "value='WEBCAM' selected='selected'";
$axis = "value='AXIS'";
$other = "value='IPCAM'";
}
else if ($result_cameras[$i]["camera_type"] == "AXIS")
{
$webcam = "value='WEBCAM'";
$axis = "value='AXIS' selected='selected'";
$other = "value='IPCAM'";
}
else if ($result_cameras[$i]["camera_type"] == "IPCAM")
{
$webcam = "value='WEBCAM'";
$axis = "value='AXIS'";
$other = "value='IPCAM' selected='selected'";
}
else
{
//TODO proper logging
}
echo $result_cameras[$i]["camera_id"];
?>
<tr>
<td>
<?php echo $result_cameras[$i]["camera_type"] ?>
</td>
<td>
<input type="text" size="32" maxlength="64" name="camera_name" value="<?php echo $result_cameras[$i]["camera_name"]; ?>" />
</td>
<td>
<select name="camera_quality">
<option <?php echo $high_option; ?>>High</option>
<option <?php echo $medium_option; ?>>Medium</option>
<option <?php echo $mobile_option; ?>>Mobile</option>
</select>
</td>
<td>
<select name="camera_status">
<option <?php echo $enabled_option; ?>>Enabled</option>
<option <?php echo $disabled_option; ?>>Disabled</option>
</select>
</td>
<td>
<input type="submit" name="apply_changes" value="Apply" onClick="oncameraSubmit(<?php echo $result_cameras[$i]["camera_id"]; ?>);"/>
<input type="submit" name="delete" value="Delete" onClick="oncameraDelete(<?php echo $result_cameras[$i]["camera_id"]; ?>);"/>
<input type="submit" name="video" value="Launch" onClick="oncameraLaunch(<?php echo $result_cameras[$i]["camera_id"]; ?>);"/>
</td>
</tr>
<?php
}
echo "</tbody>";
echo "</table>";
echo "</form>";
}
}
echo "</body>";
echo "</html>";
?>
。 camera_statusが正しい値を持っていないというクエリをエコーすると、私はそれを見ることができます。なぜこの値は正しくないのですか？ [code] $ camera_status = check_input（$ _ POST ['camera_status']）; [/ code] – Tom