我想使用 segue 在按钮单击时移动到下一个控制器。我需要获取下一个控制器中的按钮数量。
这是我的控制器的代码:
import UIKit
class ViewController2: UIViewController, UITableViewDelegate, UITableViewDataSource {
@IBOutlet var tblTable: UITableView!
var buttonTitles = ["One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"]
override func viewDidLoad() {
super.viewDidLoad()
tblTable.delegate = self
tblTable.dataSource = self
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return buttonTitles.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "buttoncell") as! ButtonCell
let buttonTitle: String = buttonTitles[indexPath.row]
cell.btnButton.setTitle(buttonTitle, for: .normal)
cell.btnButton.tag = indexPath.row
cell.btnButton.addTarget(self, action: #selector(self.buttonClick(button:)), for: .touchUpInside)
cell.selectionStyle = .none
return cell
}
@objc func buttonClick(button: UIButton) -> Void {
print("btnButton clicked at index - \(button.tag)")
button.isSelected = !button.isSelected
if button.isSelected {
button.backgroundColor = UIColor.green
} else {
button.backgroundColor = UIColor.yellow
}
}
}
class ButtonCell: UITableViewCell {
@IBOutlet var btnButton: UIButton!
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
if selected {
btnButton.backgroundColor = UIColor.green
} else {
btnButton.backgroundColor = UIColor.yellow
}
}
override func setHighlighted(_ highlighted: Bool, animated: Bool) {
super.setHighlighted(highlighted, animated: animated)
if highlighted {
btnButton.backgroundColor = UIColor.green
} else {
btnButton.backgroundColor = UIColor.yellow
}
}
}
如何用我的代码解决这个问题?