Offshore floating type photovoltaic wave power generation device, construction method and operation method

The invention discloses an offshore floating type photovoltaic wave power generation device, a construction method and an operation method.The offshore floating type photovoltaic wave power generation device comprises a plurality of photovoltaic wave power generation units, and each photovoltaic wave power generation unit comprises a photovoltaic power generation component located above the sea surface and a wave power generation component semi-submerged in seawater; the photovoltaic power generation component and the wave power generation component share a floating support and ascend and descend along with the water level, the wave power generation component comprises a plurality of horizontal shafts hinged to the floating support and parallel to the floating support, and the horizontal shafts are sleeved with a plurality of power generation rotary drums rotating relative to the horizontal shafts under the action of waves. A stator winding is wound and fixed at the position of each power generation rotating