{"id":6762,"date":"2025-06-04T12:27:20","date_gmt":"2025-06-05T05:20:20","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6762"},"modified":"2025-06-05T12:27:20","modified_gmt":"2025-06-05T05:20:20","slug":"https-badgameshow-com-steven-57","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-57\/","title":{"rendered":"Swift UITabBarController \u5206\u9801\u63a7\u5236\u5668\u5b8c\u5168\u6307\u5357\uff082025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff09 \ud83d\uddfa\ufe0f"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, UITabBarController, \u5206\u9801\u63a7\u5236\u5668, iOS\u958b\u767c, Swift\u6559\u5b78\"><\/p>\n<h2>\u5f15\u8a00<\/h2>\n<p>\u5728 iOS \u958b\u767c\u4e2d\uff0c<strong>Swift UITabBarController<\/strong> \u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5b83\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5c07\u61c9\u7528\u7a0b\u5f0f\u7684\u529f\u80fd\u9032\u884c\u5206\u9801\uff0c\u5f9e\u800c\u63d0\u5347\u4f7f\u7528\u8005\u7684\u64cd\u4f5c\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Swift \u4f86\u5efa\u7acb UITabBarController \u5206\u9801\u63a7\u5236\u5668\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u7a0b\u5f0f\u78bc\u7bc4\u4f8b\u3001\u932f\u8aa4\u6392\u9664\u6307\u5357\u548c\u5ef6\u4f38\u61c9\u7528\u7684\u8cc7\u8a0a\u3002<\/p>\n<h2>\u5efa\u7acb UITabBarController<\/h2>\n<p>\u8981\u4f7f\u7528 UITabBarController\uff0c\u9996\u5148\u9700\u8981\u5728 Storyboard \u4e2d\u5efa\u7acb UITabBarController\uff0c\u7136\u5f8c\u5c07\u5176\u8207\u5176\u4ed6 ViewController \u9023\u7d50\u8d77\u4f86\u3002\u63a5\u8457\uff0c\u6211\u5011\u53ef\u4ee5\u5728 AppDelegate \u4e2d\u8a2d\u5b9a UITabBarController \u7684\u9810\u8a2d\u9801\u9762\u53ca\u6a19\u7c64\u9801\u9762\u3002\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u7a0b\u5f0f\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {\n    \/\/ \u53d6\u5f97 UITabBarController\n    let tabBarController = window?.rootViewController as! UITabBarController\n    \n    \/\/ \u8a2d\u5b9a\u9810\u8a2d\u9078\u64c7\u7684\u9801\u9762\n    tabBarController.selectedIndex = 0\n    \n    \/\/ \u5efa\u7acb ViewControllers\n    let homeViewController = UIViewController()\n    homeViewController.view.backgroundColor = .systemBlue\n    let settingsViewController = UIViewController()\n    settingsViewController.view.backgroundColor = .systemGreen\n    let aboutViewController = UIViewController()\n    aboutViewController.view.backgroundColor = .systemYellow\n    \n    \/\/ \u8a2d\u5b9a ViewControllers\n    tabBarController.viewControllers = [homeViewController, settingsViewController, aboutViewController]\n    \n    \/\/ \u8a2d\u5b9a\u6a19\u7c64\u9801\u9762\u6a19\u984c\n    tabBarController.tabBar.items?[0].title = \"\u9996\u9801\"\n    tabBarController.tabBar.items?[1].title = \"\u8a2d\u5b9a\"\n    tabBarController.tabBar.items?[2].title = \"\u95dc\u65bc\"\n    \n    return true\n}\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664\u6280\u5de7<\/h2>\n<ul>\n<li><strong>\u7121\u6cd5\u986f\u793a\u6a19\u7c64\u9801\uff1a<\/strong>\u78ba\u4fdd\u5df2\u6b63\u78ba\u9023\u7d50 ViewControllers \u4e26\u8a2d\u5b9a\u6a19\u984c\u3002<\/li>\n<li><strong>\u9078\u64c7\u7684\u9801\u9762\u4e0d\u6b63\u78ba\uff1a<\/strong>\u6aa2\u67e5 <code>selectedIndex<\/code> \u7684\u8a2d\u7f6e\u662f\u5426\u5728\u7bc4\u570d\u5167\u3002<\/li>\n<li><strong>\u986f\u793a\u7a7a\u767d\u9801\u9762\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u500b ViewController \u7684\u80cc\u666f\u984f\u8272\u5df2\u8a2d\u5b9a\uff0c\u5426\u5247\u53ef\u80fd\u6703\u986f\u793a\u70ba\u7a7a\u767d\u3002<\/li>\n<\/ul>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>UITabBarController \u4e0d\u50c5\u53ef\u4ee5\u7528\u65bc\u57fa\u672c\u7684\u5206\u9801\u63a7\u5236\uff0c\u9084\u53ef\u4ee5\u7d50\u5408\u5176\u4ed6\u529f\u80fd\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5728\u6bcf\u500b\u9078\u9805\u5361\u4e0b\u4f7f\u7528 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\u7684\u529f\u80fd\u66f4\u52a0\u6e05\u695a\u7684\u5c55\u793a\u51fa\u4f86\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: UITabBarController \u53ef\u4ee5\u6709\u591a\u5c11\u500b\u9078\u9805\u5361\uff1f<\/h3>\n<p>A1: UITabBarController \u7406\u8ad6\u4e0a\u53ef\u4ee5\u6709\u7121\u9650\u7684\u9078\u9805\u5361\uff0c\u4f46\u5be6\u969b\u4e0a\u5efa\u8b70\u4e0d\u8981\u8d85\u904e\u4e94\u500b\uff0c\u4ee5\u907f\u514d\u4f7f\u7528\u8005\u96e3\u4ee5\u64cd\u4f5c\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u5728 UITabBarController \u4e2d\u5be6\u73fe\u52d5\u614b\u6dfb\u52a0\u9078\u9805\u5361\uff1f<\/h3>\n<p>A2: \u4f60\u53ef\u4ee5\u4f7f\u7528 <code>append<\/code> \u65b9\u6cd5\u5c07\u65b0\u7684 ViewController \u6dfb\u52a0\u5230 <code>viewControllers<\/code> \u9663\u5217\u4e2d\uff0c\u4e26\u66f4\u65b0\u6a19\u7c64\u9801\u7684\u6a19\u984c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" 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