[swift]為什麼從Main.storyboard的item拉不進去ViewController做@IBAction? 因為…

Jacob 黃炬楷
Jul 22, 2017 · 1 min read

因為你沒有在另一個ViewController中的Custom Class設定呀!

點上方左邊的圓圈圈,然後在右方選擇對應的Class名稱!

done!

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