0) { $sql = "SELECT * FROM user_70 WHERE " . implode(" " . strtoupper($searchLogic) . " ", $conditions); $stmt = $link->prepare($sql); $stmt->bind_param($types, ...$params); $stmt->execute(); $result = $stmt->get_result(); $rowCount = $result->num_rows; echo "

[" . $rowCount . "]

"; // 显示记录数 if ($rowCount > 0) { while ($row = $result->fetch_assoc()) { echo "

姓名: " . htmlspecialchars($row['name']) . " 地址: " . htmlspecialchars($row['address']) . "

"; } } $stmt->close(); } else { // 如果没有提供查询条件则不执行查询 echo "

[0]

"; } } ?>