要使用Alamofire获取缓存响应,需要使用URLCache对响应进行缓存。以下是一个示例代码:
let configuration = URLSessionConfiguration.default
configuration.requestCachePolicy = .returnCacheDataElseLoad
let cache = URLCache(memoryCapacity: 0, diskCapacity: 10 * 1024 * 1024, diskPath: "AlamofireCache")
configuration.urlCache = cache
let alamofireManager = Alamofire.SessionManager(configuration: configuration)
alamofireManager.request(urlString, method: method, parameters: parameters, encoding: encoding, headers: headers)
.responseJSON(options: .allowFragments) { response in
switch response.result {
case .success(let value):
// handle success response
case .failure(let error):
// handle error response
}
}
在这个示例代码中,我们首先设置了URLCache实例,并将其作为configuration的urlCache属性。请求时,我们使用Alamofire.SessionManager而不是Alamofire.request方法,以便我们可以传递configuration。这样,我们的响应将被缓存,并且每次请求时将被从缓存中返回。