let batItem = self.tabBar.items?[2]
batItem?.imageInsets = UIEdgeInsets(top: 8, left: 0, bottom: -8, right: 0)
UIEdgeInsets 设置对称就可以了
let batItem = self.tabBar.items?[2]
batItem?.imageInsets = UIEdgeInsets(top: 8, left: 0, bottom: -8, right: 0)
UIEdgeInsets 设置对称就可以了
本文标题：UITabBar设置中间大图按钮,点击变小
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