详细信息
xCode 9.1,Swift 4
特点:
- 易于阅读的代码
- 准备好的模板(轻松添加更多请求)
- 内置解决方案,具有异步数据处理功能
- 完整的示例
示例1
使用闭包返回数据
Data1.searchRequest(term: "jack johnson") { json, error in
print(error ?? "nil")
print(json ?? "nil")
print("Update views")
}
完整示例1
数据类
import Alamofire
class Data1 {
static fileprivate let queue = DispatchQueue(label: "requests.queue", qos: .utility)
static fileprivate let mainQueue = DispatchQueue.main
fileprivate class func make(request: DataRequest, closure: @escaping (_ json: [String: Any]?, _ error: Error?)->()) {
request.responseJSON(queue: Data1.queue) { response in
switch response.result {
case .failure(let error):
Data1.mainQueue.async {
closure(nil, error)
}
case .success(let data):
Data1.mainQueue.async {
closure((data as? [String: Any]) ?? [:], nil)
}
}
}
}
class func searchRequest(term: String, closure: @escaping (_ json: [String: Any]?, _ error: Error?)->()) {
let request = Alamofire.request("https://itunes.apple.com/search?term=\(term.replacingOccurrences(of: " ", with: "+"))")
Data1.make(request: request) { json, error in
closure(json, error)
}
}
}
UIViewController
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
Data1.searchRequest(term: "jack johnson") { json, error in
print(error ?? "nil")
print(json ?? "nil")
print("Update views")
}
}
}
示例 2
使用委托返回数据
var data = Data2()
data.delegate = self
data.searchRequest(term: "jack johnson")
extension ViewController: Data2Delegate {
func searchRequest(response json: [String : Any]?, error: Error?) {
print(error ?? "nil")
print(json ?? "nil")
print("Update views")
}
}
完整示例 2
数据类
import Alamofire
protocol Data2Delegate: class {
func searchRequest(response json: [String: Any]?, error: Error?)
}
class Data2 {
fileprivate let queue = DispatchQueue(label: "requests.queue", qos: .utility)
fileprivate let mainQueue = DispatchQueue.main
weak var delegate: Data2Delegate?
fileprivate func make(request: DataRequest, closure: @escaping (_ json: [String: Any]?, _ error: Error?)->()) {
request.responseJSON(queue: queue) { response in
switch response.result {
case .failure(let error):
self.mainQueue.async {
closure(nil, error)
}
case .success(let data):
self.mainQueue.async {
closure((data as? [String: Any]) ?? [:], nil)
}
}
}
}
func searchRequest(term: String) {
let request = Alamofire.request("https://itunes.apple.com/search?term=\(term.replacingOccurrences(of: " ", with: "+"))")
make(request: request) { json, error in
self.delegate?.searchRequest(response: json, error: error)
}
}
}
UIViewController
import UIKit
class ViewController: UIViewController {
private var data = Data2()
override func viewDidLoad() {
super.viewDidLoad()
data.delegate = self
data.searchRequest(term: "jack johnson")
}
}
extension ViewController: Data2Delegate {
func searchRequest(response json: [String : Any]?, error: Error?) {
print(error ?? "nil")
print(json ?? "nil")
print("Update views")
}
}
示例3
使用PromiseKit返回数据。
_ = data.searchRequest(term: "jack johnson").then { response in
print(response.error ?? "nil")
print(response.json ?? "nil")
print("Update views")
return .void
}
完整示例3
数据类
导入Alamofire和PromiseKit库
class Data3 {
fileprivate let queue = DispatchQueue(label: "requests.queue", qos: .utility)
fileprivate let mainQueue = DispatchQueue.main
fileprivate func make(request: DataRequest) -> Promise<(json:[String: Any]?, error: Error?)> {
return Promise { fulfill, reject in
request.responseJSON(queue: queue) { response in
switch response.result {
case .failure(let error):
self.mainQueue.async {
fulfill((nil, error))
}
case .success(let data):
self.mainQueue.async {
fulfill(((data as? [String: Any]) ?? [:], nil))
}
}
}
}
}
func searchRequest(term: String) -> Promise<(json:[String: Any]?, error: Error?)> {
let request = Alamofire.request("https://itunes.apple.com/search?term=\(term.replacingOccurrences(of: " ", with: "+"))")
return make(request: request)
}
}
extension AnyPromise {
class var void: AnyPromise {
return AnyPromise(Promise<Void>())
}
}
UIViewController
import UIKit
import PromiseKit
class ViewController: UIViewController {
private var data = Data3()
override func viewDidLoad() {
super.viewDidLoad()
_ = data.searchRequest(term: "jack johnson").then { response in
print(response.error ?? "nil")
print(response.json ?? "nil")
print("Update views")
return .void
}
}
}
authenticate
函数,但是params
字典的目的是什么?嘿,无论如何都可以,但是似乎很奇怪既要使用authenticate
,又将身份验证详细信息作为参数传递给查询... - Rob