Thêm product mới
Câu lệnh SQL
INSERT INTO PRODUCTS(ID, NAME, DESCRIPTION, THUMBNAIL, PRICE, QUANTITY, CATEGORY_ID) VALUES(NULL, ?, ?, ?, ?, ?, ?)
Thực thi
public int insert() { String sql = "INSERT INTO PRODUCTS(ID, NAME, DESCRIPTION, THUMBNAIL, PRICE, QUANTITY, CATEGORY_ID) VALUES(NULL, ?, ?, ?, ?, ?, ?)"; try { PreparedStatement stmt = con.prepareStatement(sql, PreparedStatement.RETURN_GENERATED_KEYS); stmt.setString(1, "product Name"); stmt.setString(2, "product Description"); stmt.setString(3, "product Thumbnail"); stmt.setDouble(4, 100); stmt.setInt(5, 10); stmt.setInt(6, 1); stmt.execute(); ResultSet rs = stmt.getGeneratedKeys(); int generatedKey = 0; if (rs.next()) { generatedKey = rs.getInt(1); } return generatedKey; } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return 0; }
Cập nhật product
Câu lệnh SQL
UPDATE PRODUCTS SET name = ?, description = ?, thumbnail=?, price = ?, quantity = ?, category_id = ? WHERE id = ?
Thực thi
public boolean update() { String sql = "UPDATE PRODUCTS SET name = ?, description = ?, thumbnail=?, price = ?, quantity = ?, category_id = ? WHERE id = ?"; try { PreparedStatement stmt = con.prepareStatement(sql); stmt.setString(1, "product Name"); stmt.setString(2, "product Description"); stmt.setString(3, "product Thumbnail"); stmt.setDouble(4, 100); stmt.setInt(5, 10); stmt.setInt(6, 1); stmt.setInt(7, product.getId()); return stmt.execute(); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return false; }
Xoá product
Câu lệnh SQL
DELETE FROM PRODUCTS WHERE ID = ?
Thực thi
public boolean delete(int id) { // TODO Auto-generated method stub String sql = "DELETE FROM PRODUCTS WHERE ID = ?"; try { PreparedStatement stmt = con.prepareStatement(sql); stmt.setInt(1, id); return stmt.execute(); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return false; }
Tìm kiếm product theo id
Câu lệnh SQL
SELECT * FROM PRODUCTS WHERE ID=:id
Thực thi
function get_product( $id ){ global $pdo; $sql = "SELECT * FROM PRODUCTS WHERE ID=:id"; $stmt = $pdo->prepare($sql); $stmt->bindParam(':id', $id); $stmt->execute(); $stmt->setFetchMode(PDO::FETCH_ASSOC); // Lấy danh sách kết quả $result = $stmt->fetchAll(); // Lặp kết quả foreach ($result as $row){ return array( 'id' => $row['id'], 'name' => $row['name'], 'description' => $row['description'], 'price' => $row['price'], 'img' => $row['img'], 'category_id' => $row['category_id'] ); } return null; }
Lấy toàn bộ products
Câu lệnh SQL
SELECT * FROM PRODUCTS
Thực thi
function get_all_products(){ global $pdo; $sql = "SELECT * FROM PRODUCTS"; $stmt = $pdo->prepare($sql); $stmt->execute(); $stmt->setFetchMode(PDO::FETCH_ASSOC); // Lấy danh sách kết quả $result = $stmt->fetchAll(); $product_list = array(); // Lặp kết quả foreach ($result as $row){ $product_list[] = array( 'id' => $row['id'], 'name' => $row['name'], 'description' => $row['description'], 'price' => $row['price'], 'img' => $row['img'], 'category_id' => $row['category_id'] ); } return $product_list; }
Tìm các products xem nhiều nhất
Câu lệnh SQL
SELECT * FROM PRODUCTS ORDER BY VIEW DESC
Thực thi
public void hot( int limit) { String sql = "SELECT * FROM PRODUCTS ORDER BY VIEW DESC LIMIT ?"; try { PreparedStatement stmt = con.prepareStatement(sql); stmt.setInt(1, limit); ResultSet rs = stmt.executeQuery(); while (rs.next()) { int id = rs.getInt("id"); String name = rs.getString("name"); String description = rs.getString("description"); String thumbnail = rs.getString("thumbnail"); double price = rs.getDouble("price"); int quantity = rs.getInt("quantity"); int view = rs.getInt("view"); int categoryId = rs.getInt("category_id"); Timestamp createdAt = rs.getTimestamp("created_at"); System.out.format("%d:%s:%s:%s:%.2f:%d:%d:%d,:%s", id, name, description, thumbnail, price, quantity, view, categoryId, createdAt).println(); } } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return proList; }
Tìm kiếm product theo category
Câu lệnh SQL
SELECT * FROM PRODUCTS WHERE CATEGORY_ID=:category_id
Thực thi
function get_products_by_category($category_id){ global $pdo; $sql = "SELECT * FROM PRODUCTS WHERE CATEGORY_ID=:category_id"; $stmt = $pdo->prepare($sql); $stmt->bindParam(':category_id', $category_id); $stmt->execute(); $stmt->setFetchMode(PDO::FETCH_ASSOC); // Lấy danh sách kết quả $result = $stmt->fetchAll(); $product_list = array(); // Lặp kết quả foreach ($result as $row){ $product_list[] = array( 'id' => $row['id'], 'name' => $row['name'], 'description' => $row['description'], 'price' => $row['price'], 'img' => $row['img'], 'category_id' => $row['category_id'] ); } return $product_list; }
Tìm kiếm sản phẩm liên quan related
Câu lệnh SQL
SELECT * FROM PRODUCTS WHERE ID != :product_id AND CATEGORY_ID = :category_id LIMIT 4
Thực thi
function get_products_related($product_id, $category_id){ global $pdo; $sql = "SELECT * FROM PRODUCTS WHERE ID != :product_id AND CATEGORY_ID = :category_id LIMIT 4"; $stmt = $pdo->prepare($sql); $stmt->bindParam(':product_id', $product_id); $stmt->bindParam(':category_id', $category_id); $stmt->execute(); $stmt->setFetchMode(PDO::FETCH_ASSOC); // Lấy danh sách kết quả $result = $stmt->fetchAll(); $product_list = array(); // Lặp kết quả foreach ($result as $row){ $product_list[] = array( 'id' => $row['id'], 'name' => $row['name'], 'description' => $row['description'], 'price' => $row['price'], 'img' => $row['img'], 'category_id' => $row['category_id'] ); } return $product_list; }
Lọc sản phẩm theo tên
Câu lệnh SQL
SELECT * FROM PRODUCTS WHERE NAME LIKE :name
Thực thi
function get_products_by_name($name){ global $pdo; $sql = "SELECT * FROM PRODUCTS WHERE NAME LIKE :name"; $stmt = $pdo->prepare($sql); $name = "%$name%"; $stmt->bindParam(':name', $name); $stmt->execute(); $stmt->setFetchMode(PDO::FETCH_ASSOC); // Lấy danh sách kết quả $result = $stmt->fetchAll(); $product_list = array(); // Lặp kết quả foreach ($result as $row){ $product_list[] = array( 'id' => $row['id'], 'name' => $row['name'], 'description' => $row['description'], 'price' => $row['price'], 'img' => $row['img'], 'category_id' => $row['category_id'] ); } return $product_list; }