RxSwift 数据绑定与解绑

订阅

       //第1次订阅
       self.model.userName.asObservable().subscribe {
            print("第1次订阅：", $0)
        }.disposed(by: disposeBag)

        //修改value值
       self.model.userName.value = "333"

        //第2次订阅
        self.model.userSex.asObservable().subscribe {
            print("第2次订阅：", $0)
        }.disposed(by: disposeBag)

        //修改value值
        self.model.userSex.value = "444"

取消订阅

    var disposeBag = DisposeBag()
    let disBag = DisposeBag()
    viewModel.disposeBag = disBag