技术

移动端_IOS_SWIFT_4_0_ALAMOFILE_同步执行 

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
static func downloadByFullURLSync<T: Codable>(url: String, timeoutInterval: Double = 60) -> T? {
    CXLogUtil.e("download 0 sync \(Thread.currentThread())")
    let semaphore = DispatchSemaphore.init(value: 0)

    var responseModel: T?

    let start = Date()
    Alamofire.download(URLRequest(url: NSURL.init(string: url)! as URL, timeoutInterval: timeoutInterval))
        .responseJSON(queue: DispatchQueue.global(qos: DispatchQoS.QoSClass.background), options: .allowFragments, completionHandler:  { dataResponse in
                CXLogUtil.e("download 2 sync \(Thread.currentThread())")

                print("\n\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
                print("request url: ", dataResponse.request?.url ?? "")
                print("\nrequest headers:\n")
                dataResponse.request?.allHTTPHeaderFields?.forEach { key, value in
                    print("\t", key, value)
                }
                print("\n<<<<<<<<<<---------->>>>>>>>>>\n")
                print("response headers:\n")
                dataResponse.response?.allHeaderFields.forEach { key, value in
                    print("\t", key, value)
                }

                print("\nresponse body:\n\n\t\(dataResponse.result.value ?? "")\n")

                let ms = round(Date().timeIntervalSince(start) * 1000)
                print("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 耗时: \(ms) ms \n\n")
                if (dataResponse.result.isSuccess && dataResponse.result.value != nil) {
                    responseModel = CXJsonUtil.parse(T.self, withJSONObject: dataResponse.result.value ?? "")
                    print("\nresponse success:\n")
                } else {
                    responseModel = nil
                    let failureMessage = dataResponse.result.error?.localizedDescription.lowercased() ?? "网络错误"
                    print("\nresponse failure:\n\n\t\(failureMessage)\n")
                }
                semaphore.signal()
            })

    _ = semaphore.wait(timeout: DispatchTime.distantFuture)
    CXLogUtil.e("download 1 sync \(Thread.currentThread())")
    return responseModel
}