鍦╥OS涓紝鍙互閫氳繃浠ヤ笅鍑犵鏂瑰紡鏉ヨ缃甆avigationBar锛?/p>

1. 浣跨敤Interface Builder锛圛B锛夛細鍦⊿toryboard鎴朮IB鏂囦欢涓€夋嫨NavigationBar锛岀劧鍚庡湪灞炴€ч潰鏉夸腑杩涜璁剧疆銆傚彲浠ヨ缃甆avigationBar鐨勬爣棰樸€佽儗鏅鑹层€侀€忔槑搴︺€佹寜閽瓑銆?/p>

2. 浣跨敤浠ｇ爜锛氬彲浠ラ€氳繃浠ｇ爜鏉ヨ缃甆avigationBar鐨勫睘鎬с€備緥濡傦紝鍙互浣跨敤浠ヤ笅浠ｇ爜璁剧疆NavigationBar鐨勬爣棰樺拰鑳屾櫙棰滆壊锛?/p>

   // 璁剧疆鏍囬
   navigationItem.title = "My Title"
   
   // 璁剧疆鑳屾櫙棰滆壊
   navigationController?.navigationBar.barTintColor = UIColor.red
   

3. 鑷畾涔塏avigationBar锛氬彲浠ラ€氳繃鑷畾涔塏avigationBar鐨勬柟寮忔潵瀹炵幇鏇村鏉傜殑鏁堟灉銆傚彲浠ラ€氳繃缁ф壙UINavigationBar绫诲苟閲嶅啓鍏舵柟娉曪紝鎴栬€呬娇鐢ㄨ嚜瀹氫箟鐨勮鍥炬潵鏇夸唬绯荤粺鎻愪緵鐨凬avigationBar銆?/p>

   // 鑷畾涔塏avigationBar
   class CustomNavigationBar: UINavigationBar {
       // Override methods or add custom views here
   }
   
   // 浣跨敤鑷畾涔塏avigationBar
   let customNavigationBar = CustomNavigationBar()
   navigationController?.navigationBar = customNavigationBar
   

闇€瑕佹敞鎰忕殑鏄紝NavigationBar鏄睘浜嶶INavigationController鐨勪竴閮ㄥ垎锛屽洜姝よ缃甆avigationBar鏃堕渶瑕佸湪UINavigationController涓繘琛屾搷浣溿€?/p>