[英]Swift: NSURL Session not working with watchOS
我正在使用NSURL會話來獲取特定網站的HTML代碼。 以下代碼在iOS上運行正常(在ViewController.swift中),但在watchOS(在InterfaceController.swift中)始終失敗。 代碼始終打印else語句:print(“ apple watch:加載nsurlsession時出錯”)。
誰能解釋給我(為什么會失敗,以及)我該如何改變呢? 感謝您的每一個回應!
(我在iOS 11和watchOS 4.0上使用了swift 4.0-已在模擬器中以及與配對的Apple Watch系列2在iPhone 7上進行測試)
碼:
func authorizeBase() {
let loginString = NSString(format: "%@:%@", username, password)
let loginData: NSData = loginString.data(using: String.Encoding.utf8.rawValue)! as NSData
let base64LoginString = loginData.base64EncodedString(options: [])
let url: NSURL = NSURL(string: urlPath)!
let request: NSMutableURLRequest = NSMutableURLRequest(url: url as URL)
request.setValue("Basic \(base64LoginString)", forHTTPHeaderField: "Authorization")
request.httpMethod = "GET"
let config = URLSessionConfiguration.default
config.requestCachePolicy = .reloadIgnoringLocalCacheData //deactivate cache
config.urlCache = nil
let authString = "Basic \(base64LoginString)"
config.httpAdditionalHeaders = ["Authorization" : authString]
let session = URLSession(configuration: config)
session.dataTask(with: url as URL) {
( data, response, error) in
if (response as? HTTPURLResponse) != nil {
_ = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)
let contents = String(data: data!, encoding: .ascii)
print("apple watch: Content:", contents!)
self.parseHTMLOverview(content: contents!)
self.updateTable() //!!!
}
else {
print("apple watch: error with loading nsurlsession")
}
}.resume()
}
非常感謝您的提示Srstka!
經過數小時的思考,我終於明白了。 我只是忘記在WatchKit擴展的Info.plist中添加“允許任意加載”。
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