"无效的 JSON 数据"]); exit(); } $standby = $input["standby"]; $reboot = $input["reboot"]; $humidifier = $input["humidifier"]; $screen = $input["screen"]; $queryString = "UPDATE status SET standby='$standby', reboot='$reboot', humidifier='$humidifier', screen='$screen'"; mysqli_query($conn, $queryString); if(mysqli_error($conn)){ echo json_encode(["error" => "状态更新失败"]); } else{ echo json_encode(["success" => "状态更新成功"]); }