我使用Kingfisher来显示来自网址的图片,但我的端点需要一个授权标头。 如何在iOS中使用Kingfisher或SDWebImage这些网址?
答案 0 :(得分:8)
使用Kingfisher,您需要创建一个请求修饰符(类型为AnyModifier
)并将其作为参数传递给options
方法的.kf.setImage
部分,然后使用尾随闭包实际设置图像。
示例:
import Kingfisher
let modifier = AnyModifier { request in
var r = request
// replace "Access-Token" with the field name you need, it's just an example
r.setValue(<YOUR_TOKEN>, forHTTPHeaderField: "Access-Token")
return r
}
let url = URL(string: <YOUR_URL>)
let iView = <YOUR_IMAGEVIEW>
iView.kf.setImage(with: url, options: [.requestModifier(modifier)]) { (image, error, type, url) in
if error == nil && image != nil {
// here the downloaded image is cached, now you need to set it to the imageView
DispatchQueue.main.async {
iView.image = image
}
} else {
// handle the failure
print(error)
}
}
答案 1 :(得分:2)
集中和可靠的方式将自定义标头传递给所有图像请求。
所有 setImage(with:,option:)调用都不需要选项
class TokenPlugin: ImageDownloadRequestModifier {
let token:String
init(token:String) {
self.token = token
}
func modified(for request: URLRequest) -> URLRequest? {
var request = request
request.addValue(token, forHTTPHeaderField: "token")
return request
}
}
配置
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
KingfisherManager.shared.defaultOptions = [.requestModifier(TokenPlugin(token:"abcdef123456"))]
}