@IBAction func addInformation(_ sender: UIBarButtonItem) {
// check rateHourly has value
if let editedRateHourly = rateHourly.text {
print("editedRateHourly condition is \(editedRateHo
我从一个的viewController使用下面的代码推到相同的viewController的另一个实例。该的viewController是导航堆栈中的故事板的顶视图: let storyboard = UIStoryboard(name: "Main", bundle: nil)
if let vc2 = storyboard.instantiateViewController(withIden