132 lines
3.7 KiB
PHP
132 lines
3.7 KiB
PHP
<?php
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class Kurs {
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private $tabelle = "kurs";
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public function loeschen($id) {
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require("db.inc.php");
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$sql = "DELETE FROM " .$this->tabelle ." WHERE kursnr = :kursnr";
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if ($stmt = $pdo -> prepare($sql)) {
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$stmt->bindParam(':kursnr', $id);
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$stmt -> execute();
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}
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}
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public function anlegen($felder) {
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require("db.inc.php");
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$kursnr = NULL;
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$ressort = $felder["ressort"];
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$titel = $felder["titel"];
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$beschreibung = $felder["beschreibung"];
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$preis = $felder["preis"];
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$sql = "INSERT INTO " .$this->tabelle ." (kursnr,
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ressort,
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titel,
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beschreibung,
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preis)
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VALUES (:kursnr, :ressort, :titel, :beschreibung, :preis)";
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if ($stmt = $pdo -> prepare($sql)) {
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$param= array(':kursnr' => $kursnr,
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':ressort' => $ressort,
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':titel' => $titel,
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':beschreibung' => $beschreibung,
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':preis' => $preis);
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if($stmt -> execute($param)) {
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echo "<h2>Datensatz erfolgreich gespeichert!</h2>\n";
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}
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else {
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echo "<h2>Fehler beim Speichern!</h2>\n";
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}
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}
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}
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public function bearbeiten($felder) {
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require("db.inc.php");
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$kursnr = $felder["mode"];
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$ressort = $felder["ressort"];
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$titel = $felder["titel"];
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$beschreibung = $felder["beschreibung"];
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$preis = $felder["preis"];
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$sql = "UPDATE " .$this->tabelle ." SET
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ressort = :ressort,
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titel = :titel,
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beschreibung = :beschreibung,
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preis = :preis
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WHERE kursnr = :kursnr";
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if ($stmt = $pdo -> prepare($sql)) {
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$param= array(':kursnr' => $kursnr,
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':ressort' => $ressort,
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':titel' => $titel,
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':beschreibung' => $beschreibung,
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':preis' => $preis);
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if($stmt -> execute($param)) {
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echo "<h2>Datensatz erfolgreich gespeichert!</h2>\n";
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}
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else {
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echo "<h2>Fehler beim Speichern!</h2>\n";
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}
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}
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}
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public function lesenDatensatz($id) {
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require("db.inc.php");
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if ($stmt = $pdo -> prepare("SELECT ressort, titel, beschreibung, preis FROM " .$this->tabelle ." WHERE kursnr=:kursnr")) {
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$stmt->bindParam(':kursnr',$id);
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$stmt -> execute();
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return($stmt->fetch(PDO::FETCH_ASSOC));
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}
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else {
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return false;
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}
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}
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public function lesenAlleDaten() {
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require_once("db.inc.php");
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if ($stmt = $pdo -> prepare("SELECT kursnr, ressort, titel, beschreibung, preis FROM " .$this->tabelle ." ORDER BY ressort, titel")) {
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$stmt -> execute();
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echo "<table id=\"zebra\">\n\t";
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echo "<thead><tr><th>Nummer</th><th>Ressort</th><th>Titel</th><th>Beschreibung</th><th>Preis</th><th>Bearbeiten</th></tr></thead>";
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echo "<tbody>\n\t";
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$count = 0;
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while ($z = $stmt -> fetch()) {
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$count+= 1;
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$zebratyp = "ungerade";
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echo "<tr ";
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if($count % 2 == 0) {
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$zebratyp = "gerade";
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}
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echo "class=\"" .$zebratyp
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."\">\n\t<td>"
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. htmlspecialchars($z['kursnr'])
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."</td>\n\t<td>"
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. htmlspecialchars($z['ressort'])
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."</td>\n\t<td>"
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. htmlspecialchars($z['titel'])
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."</td>\n\t<td>"
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. htmlspecialchars($z['beschreibung'])
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."</td>\n\t<td>"
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. htmlspecialchars($z['preis'])
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."</td>\n\t<td>"
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."<a href=\"kbearbeiten.php?kursnr=" .htmlspecialchars($z['kursnr']) ."\">bearbeiten</a>"
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."</td>\n</tr>";
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}
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echo "</tbody>\n</table>\n";
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}
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}
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}
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?>
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