编辑代码

import UIKit
class ViewController：UIViewController {
let rows = 9
let cols = 5
var group : Array<String> = []

override func viewDidLoad() {
super.viewDidLoad()
initGame ()
setObject(row: 4, col: 3, objectID: "y")
setObject(row: 3, col: 1, objectID: "B")
setobject(row: 6, col: 2, objectID: "B")
display()
}