【发布时间】:2015-08-05 09:35:09
【问题描述】:
@IBAction func goView1(sender: AnyObject) {
let view1 = self.storyboard.instantiateViewControllerWithIdentifier("view1") as ViewController
}
给出错误:
Value of optional type 'UIStoryboard' not unwrapped; did you mean to use '!' or '?' ?
请帮帮我
【问题讨论】:
标签: swift navigation uistoryboard