swift逆向传参

创建一个表格类是控制器

import UIKit

class TableVC: UITableViewController {
    
    var sectionName:[String] = []
    var rowName1:[String] = []
    var rowName2:[String] = []
    var rowName3:[String] = []
    var rowName4:[String] = []
    
    var cellNum:Int = 0
    
    override func viewDidLoad() {
        super.viewDidLoad()

        self.navigationItem.  = \"周考成绩单\"
        
        sectionName = [\"张三\",\"李四\",\"王五\",\"赵六\"]
    
        self.tableView.delegate = self
        self.tableView.dataSource = self
        
        self.tableView.tableFooterView = UIView()
        
        self.navigationItem.leftBarButtonItem = UIBarButtonItem( : \"全部\", style: .plain, target: self, action: #selector(whole))
    }
    
    @objc func whole() {
        
        if rowName1.count>0{
            print(\"张三：\\(rowName1[0]),\\(rowName1[1]),\\(rowName1[2])\")
        }
        if rowName2.count>0{
            print(\"李四：\\(rowName2[0]),\\(rowName2[1]),\\(rowName2[2])\")
        }
        if rowName3.count>0{
           print(\"王五：\\(rowName3[0]),\\(rowName3[1]),\\(rowName3[2])\")
        }
        if rowName4.count>0{
            print(\"赵六：\\(rowName4[0]),\\(rowName4[1]),\\(rowName4[2])\")
        }
        
       
    }

    // MARK: - Table view data source

    override func numberOfSections(in tableView: UITableView) -> Int {
        // #warning Incomplete implementation, return the number of sections
        return sectionName.count
        
    }

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        // #warning Incomplete implementation, return the number of rows
    switch section {
        case 0:
            return rowName1.count
        case 1:
            return rowName2.count
        case 2:
            return rowName3.count
        case 3:
            return rowName4.count
        default:
            return 0
    }
        
}

    
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        var cell:UITableViewCell! = tableView.dequeueReusableCell(withIdentifier: \"cell\")
        if cell==nil{
            
            cell = UITableViewCell(style: .default, reuseIdentifier: \"cell\")
        }
        // Configure the cell...
        
        switch indexPath.section {
        case 0:
            cell.textLabel?.text = rowName1[indexPath.row]
        case 1:
            cell.textLabel?.text = rowName2[indexPath.row]
        case 2:
            cell.textLabel?.text = rowName3[indexPath.row]
        case 3:
            cell.textLabel?.text = rowName4[indexPath.row]
        default:
            \"\"
        }
        
        return cell!
    }
    
    override func tableView(_ tableView: UITableView,  ForHeaderInSection section: Int) -> String? {

        return sectionName[section]
    }
    
    override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        
        return 80
        
    }
    
    
    override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        
        let view = UIView( : CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: 50))
        view.backgroundColor = UIColor.lightGray
        
        let btn = UIButton( : CGRect(x:UIScreen.main.bounds.width-80-10, y: 10, width: 80, height: 30))
        btn.set (\"录入分数\", for: .normal)
        btn.addTarget(self, action: #selector(buton), for: .touchUpInside)
        btn.set Color(UIColor.red, for: .normal)
        view.addSubview(btn)
        btn.tag = 100+section
        
        let label = UILabel( : CGRect(x: 10, y: 10, width: 60, height: 30))
        view.addSubview(label)
        label.text = sectionName[section]
        
        let lineView = UIView( : CGRect(x: 0, y: 49, width: UIScreen.main.bounds.width, height: 1))
        view.addSubview(lineView)
        lineView.backgroundColor = UIColor.black
        return view
    }
    
    override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        
        return 50
    }
    
    @objc func buton(but:UIButton){
        
        print(but.tag)
        
        let vc = ScoreWriteVC()
        vc.jumpScore = {
            
            (str1,str2,str3)->() in
            
            switch but.tag {
            case 100:
                self.rowName1.removeAll()
                self.rowName1.append(\"语文：\\(str1)\")
                self.rowName1.append(\"数学：\\(str2)\")
                self.rowName1.append(\"英语：\\(str3)\")
            case 101:
                self.rowName2.removeAll()
                self.rowName2.append(\"语文：\\(str1)\")
                self.rowName2.append(\"数学：\\(str2)\")
                self.rowName2.append(\"英语：\\(str3)\")
            case 102:
                self.rowName3.removeAll()
                self.rowName3.append(\"语文：\\(str1)\")
                self.rowName3.append(\"数学：\\(str2)\")
                self.rowName3.append(\"英语：\\(str3)\")
            case 103:
                self.rowName3.removeAll()
                self.rowName3.append(\"语文：\\(str1)\")
                self.rowName3.append(\"数学：\\(str2)\")
                self.rowName3.append(\"英语：\\(str3)\")
            default:
                \"\"
            }
            self.tableView.reloadData()
        }
        self.navigationController?.pushViewController(vc, animated: true)
    }


}

跳转的第二个界面

import UIKit

class ScoreWriteVC: UIViewController {

    typealias blockScore = (String,String,String)->()
    var jumpScore:blockScore?
    
    var tf1:UITextField!
    var tf2:UITextField!
    var tf3:UITextField!
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        
        self.navigationItem.  = \"分数录入\"
        
        view.backgroundColor = UIColor.white
        
        let lab1 = UILabel( : CGRect(x: 30, y: 200, width:60 , height: 60))
        view.addSubview(lab1)
        lab1.text = \"语文\"
        
        let lab2 = UILabel( : CGRect(x: 30, y: 200+lab1. .height+10, width:60 , height: 60))
        view.addSubview(lab2)
        lab2.text = \"数学\"
        
        let lab3 = UILabel( : CGRect(x: 30, y: 200+lab1. .height+10+lab2. .height+10, width:60 , height: 60))
        view.addSubview(lab3)
        lab3.text = \"英语\"
        
        tf1 = UITextField( : CGRect(x: 50+lab1. .width+5, y: 200, width: UIScreen.main.bounds.width-(50+lab1. .width+5)-10, height: 60))
        view.addSubview(tf1)
        tf1.placeholder = \"请输入分数\"
        tf1.borderStyle = .roundedRect
        
        tf2 = UITextField( : CGRect(x: 50+lab1. .width+5, y: 200+tf1. .height+10, width: UIScreen.main.bounds.width-(50+lab1. .width+5)-10, height: 60))
        view.addSubview(tf2)
        tf2.placeholder = \"请输入分数\"
        tf2.borderStyle = .roundedRect
        
        tf3 = UITextField( : CGRect(x: 50+lab1. .width+5, y: 200+tf1. .height+10+tf2. .height+10, width: UIScreen.main.bounds.width-(50+lab1. .width+5)-10, height: 60))
        view.addSubview(tf3)
        tf3.placeholder = \"请输入分数\"
        tf3.borderStyle = .roundedRect
        
        let btn1 = UIButton( : CGRect(x: (UIScreen.main.bounds.width-100)/2-60, y: 200+lab1. .height+10+lab2. .height+10+lab3. .height+30, width: 100, height: 80))
        view.addSubview(btn1)
        btn1.set (\"保存\", for: .normal)
        btn1.addTarget(self, action: #selector(save), for: .touchUpInside)
        btn1.set Color(UIColor.red, for: .normal)
        
        let btn2 = UIButton( : CGRect(x: (UIScreen.main.bounds.width-100)/2+60, y: 200+lab1. .height+10+lab2. .height+10+lab3. .height+30, width: 100, height: 80))
        view.addSubview(btn2)
        btn2.set (\"返回\", for: .normal)
        btn2.addTarget(self, action: #selector(back), for: .touchUpInside)
        btn2.set Color(UIColor.red, for: .normal)
    }
    
    @objc func save() {
        
        self.jumpScore!(tf1.text!,tf2.text!,tf3.text!)
        
        self.navigationController?.popViewController(animated: true)
    }
    
    @objc func back() {
        
        self.navigationController?.popViewController(animated: true)
    }
    
}