[![enter]图像描述] [1]] [1]我想将var postKey值传递给名为ExtraViewController的另一个ViewController。第一个var postKey的值需要放在ExtraViewController的var postKey中。这是我迄今为止。将var从一个类传递到ViewController
var postKey = Database.database().reference().childByAutoId().key
let ExtraViewController = storyboard?.instantiateViewControllerWithIdentifier("ExtraViewController") as! ExtraViewController
ExtraViewController.postKey = postKey
Error: Use of unresolved identifier 'storyboard' Error: Expected declaration
仍然有错误.. –
错误:使用未解析的标识符“故事板”错误:预期声明 –
是的,我已复制并粘贴它 –