如何在文件系统中动态存储图像?

we are creating a website for hotel booking. we need to store a large number of images. we think it would be a better option to store images in the filesystem and store the path in the database. But do we have to manually save them? We are using web services from another website to get the images. is there a way to save the images dynamically in the filesystem??we are creating a website for hotel booking. we