Methods for power supply connections

It is a common that led strip lights can be divided into DC12V, DC24V, AC220V, AC110V. For low-voltage strips, it needs power supplys according to the length and power of led strip lights. You can choose a bigger power supply with higher power to connect several strip lights to make it be controlled easily.  But it also has a disadvantages that it can not realize control for each strip lights and each light effect.