UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
self.layout = layout;
// 設定每格的大小
layout.itemSize = CGSizeMake(DD_SCREEN_WIDTH * 0.5, 80);
// 上左下右間距
layout.sectionInset = UIEdgeInsetsMake(0, 0, 0, 0);
layout.minimumLineSpacing = 0;
layout.minimumInteritemSpacing = 0;
return [self initWithCollectionViewLayout:layout];
注意: minimumInteritemSpacing, sectionInset這兩個屬性是關聯的, 必須設定準确
轉載于:https://www.cnblogs.com/Rinpe/p/4994930.html