prepareForSegue中的Xcode- IF...ELSE IF...ELSE语句将IF块中的数据替换为ELSE块中的数据

if (condition1) {
    // code block to be executed if condition1 is true
} else if (condition2) {
    // code block to be executed if condition2 is true
} else {
    // code block to be executed if none of the above conditions are true
}

override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
    if segue.identifier == "segueIdentifier1" {
        // code block to be executed if segue identifier is "segueIdentifier1"
        let destinationVC = segue.destination as! DestinationViewController
        destinationVC.data = "Data for segueIdentifier1"
    } else if segue.identifier == "segueIdentifier2" {
        // code block to be executed if segue identifier is "segueIdentifier2"
        let destinationVC = segue.destination as! DestinationViewController
        destinationVC.data = "Data for segueIdentifier2"
    } else {
        // code block to be executed if none of the above conditions are true
        let destinationVC = segue.destination as! DestinationViewController
        destinationVC.data = "Default data"
    }
}