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📜  在导航栏快速代码示例中显示返回按钮

📅  最后修改于: 2022-03-11 15:01:01.444000             🧑  作者: Mango

代码示例1
let backButton = UIBarButtonItem()
 backButton.title = "New Back Button Text"
 self.navigationController?.navigationBar.topItem?.backBarButtonItem = backButton