前情提要

在?文章正在審核中... - 簡書?文章的基礎(chǔ)之上，討論Apple又給出的兩個簡單的例子

正文內(nèi)容

(1) Inset Items Grid

Inset Items Grid

一行代碼:

item.contentInsets=NSDirectionalEdgeInsets(top:5, leading:5, bottom:5, trailing:5)

(2) Two-Column Grid

Two-Column Grid

幾行代碼:

// count: 2 是重點

? ? ? ? let?group =NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitem: item, count:2)

? ? ? ? let?spacing =CGFloat(10)

//?interItemSpacing: Supplies additional spacing between items along the layout axis of the group

? ? ? ? group.interItemSpacing= .fixed(spacing)

? ? ? ? let?section =NSCollectionLayoutSection(group: group)

? ? ? ? section.interGroupSpacing= spacing

//?leading,trailing 首尾間距

? ? ? ? section.contentInsets=NSDirectionalEdgeInsets(top:0, leading:10, bottom:0, trailing:10)