Rxswift+Moya+Codable的简单封装
基于Moya封装，model遵循codable协议，返回的是Single信息流
用法：
//获取频道 channel
let doubanList = MultiTarget(DouBanAPI.channels)
JFHTTPService.rxRequestData(doubanList, with: "channels", type: [Channel].self).subscribe(onSuccess: { [weak self](list) in
guard let self = self else{ return }
self.dataSource = list
self.table.reloadData()
print(list)
}) { (error) in
}.disposed(by: rx.disposeBag)
//获取语言
let api = MultiTarget(TestAPI.language)
//返回的是信息流 Single的
JFHTTPService.rxRequest(api, type: Languages.self).subscribe(onSuccess: { (languages) in
print(languages)
}) { (error) in
}.disposed(by: rx.disposeBag)