MVVM响应式网络基础架构开源分享给你了～

var plugins: APIPlugins {
    let cache = NetworkCachePlugin(cacheType: .networkElseCache)
    let loading = NetworkLoadingPlugin.init(delayHideHUD: 0.5)
    loading.changeHudCallback = { (hud) in
        hud.detailsLabel.textColor = UIColor.yellow
    }
    return [loading, cache]
}

class OOViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<String>()
    func loadData() {
        var api = NetworkAPIOO.init()
        api.cdy_ip = "https://www.httpbin.org"
        api.cdy_path = "/ip"
        api.cdy_method = .get
        api.cdy_plugins = [NetworkLoadingPlugin.init()]
        api.cdy_retry = 3
        api.cdy_HTTPRequest()
            .asObservable()
            .compactMap{ (($0 as! NSDictionary)["origin"] as? String) }
            .catchAndReturn("")
            .bind(to: data)
            .disposed(by: disposeBag)
    }
}

enum LoadingAPI {
    case test2(String)
}
extension LoadingAPI: NetworkAPI {
    var ip: APIHost {
        return NetworkConfig.baseURL
    }
    var path: String {
        return "/post"
    }
    var parameters: APIParameters? {
        switch self {
        case .test2(let string): return ["key": string]
        }
    }
}
class LoadingViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<NSDictionary>()
    /// 配置加载动画插件
    let APIProvider: MoyaProvider<MultiTarget> = {
        let configuration = URLSessionConfiguration.default
        configuration.headers = .default
        configuration.timeoutIntervalForRequest = 30
        let session = Moya.Session(configuration: configuration, startRequestsImmediately: false)
        let loading = NetworkLoadingPlugin.init()
        return MoyaProvider<MultiTarget>(session: session, plugins: [loading])
    }()
    func loadData() {
        APIProvider.rx.request(api: LoadingAPI.test2("666"))
            .asObservable()
            .subscribe { [weak self] (event) in
                if let dict = event.element as? NSDictionary {
                    self?.data.accept(dict)
                }
            }.disposed(by: disposeBag)
    }
}

class CacheViewModel: NSObject {
    let disposeBag = DisposeBag()
    struct Input {
        let count: Int
    }
    struct Output {
        let items: Driver<[CacheModel]>
    }
    func transform(input: Input) -> Output {
        let elements = BehaviorRelay<[CacheModel]>(value: [])
        let output = Output(items: elements.asDriver())
        request(input.count)
            .asObservable()
            .bind(to: elements)
            .disposed(by: disposeBag)
        return output
    }
}
extension CacheViewModel {
    func request(_ count: Int) -> Driver<[CacheModel]> {
        CacheAPI.cache(count).request()
            .asObservable()
            .mapHandyJSON(HandyDataModel<[CacheModel]>.self)
            .compactMap { $0.data }
            .observe(on: MainScheduler.instance) // 结果在主线程返回
            .delay(.seconds(1), scheduler: MainScheduler.instance) // 延时1秒返回
            .asDriver(onErrorJustReturn: []) // 错误时刻返回空
    }
}

class ChainViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<NSDictionary>()
    func chainLoad() {
        requestIP()
            .flatMapLatest(requestData)
            .subscribe(onNext: { [weak self] data in
                self?.data.accept(data)
            }, onError: {
                print("Network Failed: \($0)")
            }).disposed(by: disposeBag)
    }
}
extension ChainViewModel {
    func requestIP() -> Observable<String> {
        return ChainAPI.test.request()
            .asObservable()
            .map { ($0 as! NSDictionary)["origin"] as! String }
            .catchAndReturn("") // 异常抛出
    }
    func requestData(_ ip: String) -> Observable<NSDictionary> {
        return ChainAPI.test2(ip).request()
            .asObservable()
            .map { ($0 as! NSDictionary) }
            .catchAndReturn(["data": "nil"])
    }
}

class BatchViewModel: NSObject {
    let disposeBag = DisposeBag()
    let data = PublishRelay<NSDictionary>()
    /// 配置加载动画插件
    let APIProvider: MoyaProvider<MultiTarget> = {
        let configuration = URLSessionConfiguration.default
        configuration.headers = .default
        configuration.timeoutIntervalForRequest = 30
        let session = Moya.Session(configuration: configuration, startRequestsImmediately: false)
        let loading = NetworkLoadingPlugin.init()
        return MoyaProvider<MultiTarget>(session: session, plugins: [loading])
    }()
    func batchLoad() {
        Observable.zip(
            APIProvider.rx.request(api: BatchAPI.test).asObservable(),
            APIProvider.rx.request(api: BatchAPI.test2("666")).asObservable(),
            APIProvider.rx.request(api: BatchAPI.test3).asObservable()
        ).subscribe(onNext: { [weak self] in
            guard var data1 = $0 as? Dictionary<String, Any>,
                  let data2 = $1 as? Dictionary<String, Any>,
                  let data3 = $2 as? Dictionary<String, Any> else {
                      return
                  }
            data1 += data2
            data1 += data3
            self?.data.accept(data1)
        }, onError: {
            print("Network Failed: \($0)")
        }).disposed(by: disposeBag)
    }
}

func request(_ count: Int) -> Driver<[CacheModel]> {
    CacheAPI.cache(count).request()
        .asObservable()
        .mapHandyJSON(HandyDataModel<[CacheModel]>.self)
        .compactMap { $0.data }
        .observe(on: MainScheduler.instance) // 结果在主线程返回
        .delay(.seconds(1), scheduler: MainScheduler.instance) // 延时1秒返回
        .asDriver(onErrorJustReturn: []) // 错误时刻返回空
}

Ex: 导入网络架构API
- pod 'RxNetworks/MoyaNetwork'
Ex: 导入数据解析
- pod 'RxNetworks/HandyJSON'
Ex: 导入加载动画插件
- pod 'RxNetworks/MoyaPlugins/Loading'