let backImg = UIImage.init(named: "webViewBack")
UINavigationBar.appearance().backIndicatorImage = backImg
UINavigationBar.appearance().backIndicatorTransitionMaskImage = backImg
let backImg = UIImage.init(named: "webViewBack")
UINavigationBar.appearance().backIndicatorImage = backImg
UINavigationBar.appearance().backIndicatorTransitionMaskImage = backImg
本文标题:iOS:swift 设置返回按钮图片
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