Rxswift -- (1) create a project

One 、RxSwift brief introduction

1. Rx Is a general abstraction of computing represented by interfaces , It allows you to... From the stream Observable Broadcast and subscribe to values and other events .Observable
   RxSwift Is a responsive extension of the standard specific to Swift The implementation of the .
2. Simply speaking , Is to put the general Swift event , All converted to stream events , Can listen for events

Two 、Demo

Github link

• Traditional click events

    override func viewDidLoad() {
        super.viewDidLoad()
        wechatBtn.addTarget(self, action: #selector(clickBtn(_:)), for: .touchUpInside)
    }

    @objc
    func clickBtn(_ sender: UIButton) {
        print(" Click. ")
        self.navigationController?.pushViewController(WeChatViewController(), animated: true)
    }

• RxSwift Click events for

func addEvent() {
        wechatBtn.rx.tap.subscribe { (_) in
            self.navigationController?.pushViewController(WeChatViewController(), animated: true)
        }.disposed(by: sharedDisposeBag)
    }