iOS（(?)Swift 语(Yu)言(Yan)）(?)创(Chuang)建(Jian)一(Yi)个(Ge)简(Jian)单(Dan)的(De)计(Ji)数(Shu)器(Qi)应(Ying)用(Yong)
二(?)次(Ci)开(Kai)发(Fa) 
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发(Fa)布(Bu)时(Shi)间(Jian)：(?)2024-09-25 21:02:01 
浏(Liu)览(Lan)：(?) 次(Ci)
一(Yi)、(?)iOS（(?)Swift 语(Yu)言(Yan)）(?)
假(Jia)设(She)创(Chuang)建(Jian)一(Yi)个(Ge)简(Jian)单(Dan)的(De)计(Ji)数(Shu)器(Qi)应(Ying)用(Yong)，(?)界(Jie)面(Mian)上(Shang)有(You)一(Yi)个(Ge)标(Biao)签(Qian)显(Xian)示(Shi)当(Dang)前(Qian)计(Ji)数(Shu)，(?)一(Yi)个(Ge)按(An)钮(Niu)用(Yong)于(Yu)增(Zeng)加(Jia)计(Ji)数(Shu)。(?)
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var countLabel: UILabel!
var count = 0
@IBAction func incrementButtonTapped(_ sender: Any) {
count += 1
countLabel.text = "Count: \(count)"
}
override func viewDidLoad() {
super.viewDidLoad()
countLabel.text = "Count: \(count)"
}
}
假(Jia)设(She)创(Chuang)建(Jian)一(Yi)个(Ge)简(Jian)单(Dan)的(De)计(Ji)数(Shu)器(Qi)应(Ying)用(Yong)，(?)界(Jie)面(Mian)上(Shang)有(You)一(Yi)个(Ge)标(Biao)签(Qian)显(Xian)示(Shi)当(Dang)前(Qian)计(Ji)数(Shu)，(?)一(Yi)个(Ge)按(An)钮(Niu)用(Yong)于(Yu)增(Zeng)加(Jia)计(Ji)数(Shu)。(?)
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var countLabel: UILabel!
var count = 0
@IBAction func incrementButtonTapped(_ sender: Any) {
count += 1
countLabel.text = "Count: \(count)"
}
override func viewDidLoad() {
super.viewDidLoad()
countLabel.text = "Count: \(count)"
}
}
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