ios swift 表格随机色_swift uitableviewcell 颜色随机

 cell.backgroundColor = UIColor(red: (CGFloat(Float(arc4random()%255)/255.0)), green: (CGFloat(Float(arc4random()%255)/255.0)), blue: (CGFloat(Float(arc4random()%255)/255.0)), alpha: 1.0)
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main根视图

import UIKit

class mianViewController: UITabBarController {

    override func viewDidLoad() {
        super.viewDidLoad()
self.title = "周考作品"
        self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(ww))
        
        let one = oneViewController()
        let oneNav = UINavigationController(rootViewController: one)
        
        oneNav.tabBarItem.title = "ces"
        oneNav.tabBarItem.image = UIImage(named: "clock")
        oneNav.tabBarItem.selectedImage = UIImage(named: "clock_selected")
        let two = twoViewController()
        let twoNav = UINavigationController(rootViewController: two)
        twoNav.tabBarItem.title = "dwada"
        twoNav.tabBarItem.image = UIImage(named: "mine")
        twoNav.tabBarItem.selectedImage = UIImage(named: "mine_selected")
        
        let three = threeViewController()
        let threeNav = UINavigationController(rootViewController: three)
        threeNav.tabBarItem.title = "dwd"
        threeNav.tabBarItem.image = UIImage(named: "notice")
        threeNav.tabBarItem.selectedImage = UIImage(named: "notice_selected")
        let four = fourViewController()
        let fourNav = UINavigationController(rootViewController: four)
        fourNav.tabBarItem.title = "qq"
        fourNav.tabBarItem.image = UIImage(named: "report")
        fourNav.tabBarItem.selectedImage = UIImage(named: "report_selected")

        
        self.viewControllers = [oneNav,twoNav,threeNav,fourNav]
    }
    @objc func ww(){
    print("%p")
    }


}

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oneviewcontroller

import UIKit

class oneViewController: UIViewController,UITableViewDelegate,UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 10
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
//        var cell:oneTableViewCell = tableView.dequeueReusableCell(withIdentifier: "cells")! as! oneTableViewCell
        var cell:oneTableViewCell = tableView.dequeueReusableCell(withIdentifier: "cells", for: indexPath) as! oneTableViewCell
        tableView.rowHeight = 120
        if cell != nil {
//            cell = oneTableViewCell.init(style: .default, reuseIdentifier: "cells")
//            cell.Zimag.image = UIImage(named:"Snip20181024_3")
  
            cell.Zimag.image = UIImage(named: "Snip20181024_3")
            cell.ww.text = "测试数据"
            cell.Btn.tag = indexPath.row
            cell.Btn .addTarget(self, action: #selector(buttonTap1(button:)), for: .touchUpInside)

            cell.backgroundColor = UIColor(red: CGFloat(arc4random() % 255) / 255.0, green: CGFloat(arc4random() % 255) / 255.0, blue: CGFloat(arc4random() % 255) / 255.0, alpha: 1.0)
            cell.Btn .setTitle("点击", for: .normal)

        }
      
        return cell
    }
    @objc func buttonTap1(button:UIButton) {
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: "qctest"), object: nil, userInfo: ["name":button.tag])
    }
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    var table:UITableView?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.title = "周考作品"
        self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(ww))
        self.table = UITableView.init(frame: self.view.frame, style: .plain)
        self.table?.delegate = self
        self.table?.dataSource = self
        self.view .addSubview(self.table!)
//        self.table?.register(UITableViewCell.self, forCellReuseIdentifier: "cells")
        self.table?.register(UINib(nibName: "oneTableViewCell", bundle: nil), forCellReuseIdentifier: "cells")

    }
    
    @objc func ww(){
        print("%p")
    }
}

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onetableviewcell

import UIKit

class oneTableViewCell: UITableViewCell {
    var label:Int?
    
    @IBOutlet weak var ww: UILabel!
    @IBOutlet weak var Zimag: UIImageView!
    @IBOutlet weak var Btn: UIButton!
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self.Btn .addTarget(self, action: #selector(Btn1), for: .touchUpInside)
        
    }
    @objc func Btn1(){
 
        NotificationCenter.default.addObserver(self, selector: #selector(upDataChange(notif:)), name: NSNotification.Name(rawValue: "qctest"), object:nil);
        
        
    }
    deinit {
        NotificationCenter.default.removeObserver(self)
    }
    
    @objc func upDataChange(notif: NSNotification) {
        
        //拿到的value向下转型
        //        self.label?.text = notif.object as? String;
        
        self.label = notif.userInfo!["name"] as? Int;
//        print(label?.text)
        print("传值成功 第\(label)个单元格")
        
        
        
    }
    override func setSelected(_ selected: Bool, animated: Bool) {
        super.setSelected(selected, animated: animated)

        
    }
    
    
}
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two three four 空