闭包的使用方式和场景很多，这里我就用闭包传值来做例子吧
这里我两边都用了闭包来传值，也使用了两种方法，一种是属性闭包传值，另外一个是方法闭包传值

class BlockTViewController: UIViewController {
    
    var isBloc : ((_ str : String)->Void)?
    var label : UITextView?
    var swiftB : SwiftBlockViewController?
    override func viewDidLoad() {
        super.viewDidLoad()
        label = UITextView(frame: CGRect(x: 100, y: 100, width: 100, height: 100))
        swiftB = SwiftBlockViewController()
        swiftB?.goTwoBlock = {
            (str) in
            self.label?.text = str
        }
        label?.layer.borderWidth = 1
        view.addSubview(label!)
        // Do any additional setup after loading the view.
        view.backgroundColor = UIColor.green
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func blockMethod(str : String , methodBlock : (_ str : String)-> Void){
        print(str)
        methodBlock("orewa tsuna")
    }
    
    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
//        self.present(swiftB!, animated: true, completion: nil)
        self.dismiss(animated: true, completion: nil)
        isBloc!("属性闭包")
    }


class SwiftBlockViewController: UIViewController{

    var swiftT = BlockTViewController()
    var label : UITextView?
    var goTwoBlock : ((_ str : String)->Void)?
    override func viewDidLoad() {
        super.viewDidLoad()
//        swiftT = BlockTViewController()
        // Do any additional setup after loading the view.
        label = UITextView(frame: CGRect(x: 100, y: 100, width: 100, height: 100))
        label?.layer.borderWidth = 1
        view.addSubview(label!)
        view.backgroundColor = UIColor.yellow
        swiftT.isBloc = {
            (str :String) in
            self.label?.text = str
        }
//        swiftT.blockMethod(str: "give your value") { (test) in
//            label?.text = test
//        }
        
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
//        self.dismiss(animated: true, completion: nil)
//        goTwoBlock!("ahoaho")
        
        self.present(swiftT, animated: true, completion: nil)
//        goTwoBlock!((label?.text)!
    }


}

以上，就是闭包传值的一些使用情况了，要是有哪里不对的请各位指出！！！

后记:根据我自己的使用framework包的情况，好像在打出framework包后引入其他工程并不需要做配置了，这个可能要根据个人情况来了。望悉知