Voll Upload SGD Fachinformatiker PHP

2026-06-03 13:46:32 +00:00
parent 1256ec2190
commit 84a568d89c
265 changed files with 9961 additions and 2 deletions
@@ -0,0 +1,70 @@
+<!DOCTYPE HTML>
+<html lang="de">
+<head>
+    <meta charset="utf-8">
+    <title>Länderdaten nach Regionen</title>
+    <?php
+    include_once("db.inc.php");
+    ?>
+</head>
+<body>
+    <h1>Länderdaten nach Regionen</h1>
+    <p>Bitte wählen Sie die Region aus, deren Länder angezeigt werden sollen.</p>
+<form method="post">
+    <?php
+    // Select-Auswahl für Regionen
+    $sql = "SELECT region_id, name FROM regions ORDER BY name";
+    $stmt = $pdo->prepare($sql);
+    $stmt->execute();
+    
+    echo "Region <select name='region' id='region'>";
+    echo "<option value=''>Region wählen</option>";
+    foreach ($stmt->fetchAll(PDO::FETCH_ASSOC) as $region) {
+        $selected = (isset($_POST['region']) && $_POST['region'] == $region['region_id']) ? 'selected' : '';
+        echo "<option value='" . htmlspecialchars($region['region_id']) . "' $selected>" . 
+             htmlspecialchars($region['name']) . "</option>";
+    }
+    echo "</select>";
+    
+    // Ausgabe der Daten
+    if(isset($_POST["region"]) && !empty($_POST["region"])){
+        try {
+
+            $auswahl = "SELECT countries.name AS Land, countries.area AS 'Fläche', AVG(country_stats.gdp) AS 'AVG BIP', AVG(country_stats.population) AS 'AVG Bevölkerung', continents.name AS Kontinent from regions 
+                    JOIN continents on continents.continent_id = regions.continent_id 
+                    JOIN countries on regions.region_id = countries.region_id
+                    JOIN country_stats on countries.country_id = country_stats.country_id 
+                    WHERE regions.region_id = :region_id GROUP BY countries.country_id, countries.name, countries.area, continents.name";
+            $stmt = $pdo->prepare($auswahl);
+            $stmt->bindParam(':region_id', $_POST['region'], PDO::PARAM_INT);
+            $stmt->execute();
+            $results = $stmt->fetchAll(PDO::FETCH_ASSOC);
+            
+            if(count($results) > 0) {
+                echo "<br> <br>";
+                echo "<table border='3'>";
+                echo "<tr><th>Land</th><th>Fläche</th><th>AVG BIP</th><th>AVG Bevölkerung</th><th>Kontinent</th></tr>";
+                
+                foreach($results as $row) {
+                    echo "<tr>";
+                    echo "<td>" . htmlspecialchars($row['Land']) . "</td>";
+                    echo "<td>" . htmlspecialchars($row['Fläche'], 0, ',', '.') . "</td>";
+                    echo "<td>" . htmlspecialchars($row['AVG BIP'], 2, ',', '.') . "</td>";
+                    echo "<td>" . htmlspecialchars($row['AVG Bevölkerung'], 0, ',', '.') . "</td>";
+                    echo "<td>" . htmlspecialchars($row['Kontinent']) . "</td>";
+                    echo "</tr>";
+                }
+                echo "</table>";
+            } else {
+                echo "<p>Keine Daten.</p>";
+            }
+        } catch(PDOException $e) {
+            echo "<p>Fehler bei der Datenbankabfrage: " . htmlspecialchars($e->getMessage()) . "</p>";
+        }
+    }
+    ?>
+    <br>
+    <input type="submit" value="anzeigen">
+</form>   
+</body>
+</html>