訪問嵌套堆棧視圖

Question

明顯監督一些簡單的事情。需要訪問嵌套堆棧視圖另一個堆棧視圖。

如果我想爲乘客2設置所有嵌套的堆棧視圖的間距，我該怎麼做？

// Select passenger 2 
let tag = 2 

// Select wrapper stackView for passenger 2 
let stackView = self.view.viewWithTag(tag) as! UIStackView! 

let nestedStackViews = stackView. <-- WHAT GOES HERE?? 

for sv in nestedStackViews{ 
    sv?.spacing = 0 // Set nested stackView spacing to 0 to avoid constraint issues 
} 

可視化（需要firstName_P2，surname_P2和email_P2的間距設置爲0）

SOLUTION：根據冬季的回答

提供其他更詳細的誰可能會掙扎，請務必將子視圖轉換爲堆棧視圖

// Select passenger 2 
let tag = 2 

// Select wrapper stackView for passenger 2 
let stackView = self.view.viewWithTag(tag) as! UIStackView! 

if let nestedStackViews = stackView?.subviews{ 
    for sv in nestedStackViews{ 
     let nsv = sv as! UIStackView 
     nsv.spacing = 0 
    } 
} 

Answer 1

使用subviews：stackView.subviews