FFCache.shared.setObject(1024, forKey: "int")
let num = FFCache.shared.object(forKey: "int", ofType: Int.self)

FFCache.shared.setObject("哈哈", forKey: "string")
let string = FFCache.shared.object(forKey: "string", ofType: String.self)

let person = Person()

FFCache.shared.setObject(person, forKey: "person")

let data = FFCache.shared.object(forKey: "person", ofType: Person.self)

FFCache.shared.setObject([person, person], forKey: "array")
let array = FFCache.shared.object(forKey: "array", ofType: [Person].self)

FFCache.shared.setObject(["name": "onefboy"], forKey: "dict")
let dict = FFCache.shared.object(forKey: "dict", ofType: [String: String].self)