rails路由常用请求类型

HTTP Verb	Path	action	used for
GET	/photos	index	display a list of all photos
GET	/photos/new	new	return an HTML form for creating a new photo
POST	/photos	create	create a new photo
GET	/photos/:id	show	display a specific photo
GET	/photos/:id/edit	edit	return an HTML form for editing a photo
PATCH/PUT	/photos/:id	update	update a specific photo
DELETE	/photos/:id	destroy	delete a specific photo