{"id":7436,"date":"2025-06-01T14:36:42","date_gmt":"2025-06-05T06:38:42","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7436"},"modified":"2025-06-05T14:36:42","modified_gmt":"2025-06-05T06:38:42","slug":"https-badgameshow-com-steven-389","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-389\/","title":{"rendered":"Swift \u6ed1\u52d5\u9078\u55ae\u5b8c\u5168\u6307\u5357\uff1a\u5f9e\u57fa\u790e\u5230\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\u8a9e\u6cd5\uff09"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, \u6ed1\u52d5\u9078\u55ae, iOS \u958b\u767c, Swift \u6559\u5b78\"><\/p>\n<h2>\u7c21\u4ecb<\/h2>\n<p>Swift \u6ed1\u52d5\u9078\u55ae\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u4f60\u5728 iOS 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\u4f86\u5efa\u7acb\u6ed1\u52d5\u9078\u55ae\u3002<\/p>\n<h2>\u8a2d\u8a08\u754c\u9762<\/h2>\n<p>\u6253\u958b Storyboard\uff0c\u62d6\u66f3\u4e00\u500b <code>UISlider<\/code> \u63a7\u5236\u9805\u5230\u4f60\u7684 View \u4e2d\uff0c\u4e26\u5c07\u5176\u653e\u7f6e\u5728\u9069\u7576\u7684\u4f4d\u7f6e\u3002\u63a5\u8457\uff0c\u70ba\u9019\u500b <code>UISlider<\/code> \u63a7\u5236\u9805\u5efa\u7acb outlet\uff0c\u4e26\u5c07\u5176\u9023\u7d50\u5230 <code>ViewController.swift<\/code> \u4e2d\u7684\u4ee3\u78bc\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">@IBOutlet weak var slider: UISlider!<\/code><\/pre>\n<h2>\u8a2d\u7f6e UISlider \u7684 Action<\/h2>\n<p>\u5728 <code>ViewController.swift<\/code> \u4e2d\uff0c\u70ba\u9019\u500b <code>UISlider<\/code> \u8a2d\u7f6e\u4e00\u500b action\uff0c\u4e26\u5c07\u5176\u9023\u7d50\u5230 Storyboard \u4e2d\u7684 <code>UISlider<\/code> \u63a7\u5236\u9805\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">@IBAction func sliderValueChanged(_ sender: UISlider) {\n    let selectedValue = sender.value\n    \/\/ \u5728\u9019\u88e1\u8655\u7406\u6240\u9078\u64c7\u7684\u503c\n    if selectedValue > 0.5 {\n        \/\/ \u57f7\u884c\u4e00\u4e9b\u908f\u8f2f\uff0c\u4f8b\u5982\u986f\u793a\u63d0\u793a\u6216\u66f4\u65b0 UI\n    }\n}<\/code><\/pre>\n<h2>\u5be6\u4f5c\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684 <code>ViewController.swift<\/code> \u793a\u4f8b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">import UIKit\n\nclass ViewController: UIViewController {\n    @IBOutlet weak var slider: UISlider!\n\n    override func viewDidLoad() {\n        super.viewDidLoad()\n        \/\/ \u8a2d\u7f6e\u521d\u59cb\u503c\n        slider.value = 0.5\n    }\n\n    @IBAction func sliderValueChanged(_ sender: UISlider) {\n        let selectedValue = sender.value\n        \/\/ \u6839\u64da\u9078\u64c7\u7684\u503c\u57f7\u884c\u908f\u8f2f\n        if selectedValue > 0.5 {\n            print(\"\u9078\u64c7\u7684\u503c\u5927\u65bc 0.5\")\n            \/\/ \u66f4\u65b0 UI\n        } else {\n            print(\"\u9078\u64c7\u7684\u503c\u5c0f\u65bc\u6216\u7b49\u65bc 0.5\")\n        }\n    }\n}<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5982\u679c\u4f60\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u9047\u5230\u554f\u984c\uff0c\u8acb\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd outlet \u548c action \u5df2\u6b63\u78ba\u9023\u7d50\u5230 Storyboard\u3002<\/li>\n<li>\u6aa2\u67e5 <code>UISlider<\/code> \u7684\u7bc4\u570d\u8a2d\u5b9a\uff08\u4f8b\u5982\uff1a\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff09\u3002<\/li>\n<li>\u67e5\u770b\u63a7\u5236\u53f0\u662f\u5426\u6709\u932f\u8aa4\u8a0a\u606f\uff0c\u9019\u53ef\u80fd\u6703\u5e6b\u52a9\u4f60\u627e\u5230\u554f\u984c\u6240\u5728\u3002<\/li>\n<\/ul>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u6ed1\u52d5\u9078\u55ae\u4e0d\u50c5\u9650\u65bc\u9078\u64c7\u6578\u503c\uff0c\u4f60\u9084\u53ef\u4ee5\u5c07\u5176\u7528\u65bc\u8abf\u6574\u97f3\u91cf\u3001\u4eae\u5ea6\u6216\u5176\u4ed6\u53ef\u8abf\u53c3\u6578\u3002\u901a\u904e\u7d50\u5408\u4e0d\u540c\u7684 UI \u63a7\u5236\u9805\uff0c\u4f60\u53ef\u4ee5\u5275\u5efa\u66f4\u5177\u4e92\u52d5\u6027\u7684\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u6ed1\u52d5\u9078\u55ae-\ud83d\udd1c\ud83d\udcc8_1675475892.141954.webp\" alt=\"Swift \u6ed1\u52d5\u9078\u55ae \ud83d\udd1c\ud83d\udcc8\" title=\"Swift \u6ed1\u52d5\u9078\u55ae\u3001iOS \u6ed1\u52d5\u9078\u55ae\u3001Swift \u7a0b\u5f0f\u8a9e\u6cd5\u3001Swift \u7a0b\u5f0f\u529f\u80fd\" width=\"1200\" height=\"628\"\/><\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: UISlider \u7684\u6700\u4f73\u4f7f\u7528\u5834\u666f\u662f\u4ec0\u9ebc\uff1f<\/h3>\n<p>A1: UISlider \u975e\u5e38\u9069\u5408\u7528\u65bc\u8abf\u6574\u53ef\u8b8a\u53c3\u6578\uff0c\u4f8b\u5982\u97f3\u91cf\u3001\u4eae\u5ea6\u6216\u5176\u4ed6\u7bc4\u570d\u503c\u7684\u9078\u64c7\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u5728 UISlider \u4e2d\u6dfb\u52a0\u6b65\u9032\u503c\uff1f<\/h3>\n<p>A2: \u4f60\u53ef\u4ee5\u5728 <code>sliderValueChanged<\/code> \u65b9\u6cd5\u4e2d\u6839\u64da\u9700\u8981\u5c0d <code>selectedValue<\/code> \u9032\u884c\u56db\u6368\u4e94\u5165\uff0c\u4ee5\u9054\u5230\u6b65\u9032\u7684\u6548\u679c\u3002<\/p>\n<h3>Q3: UISlider \u662f\u5426\u652f\u6301\u81ea\u5b9a\u7fa9\u6a23\u5f0f\uff1f<\/h3>\n<p>A3: \u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e <code>minimumTrackTintColor<\/code> \u548c <code>maximumTrackTintColor<\/code> \u4f86\u81ea\u5b9a\u7fa9 UISlider \u7684\u984f\u8272\u3002<\/p>\n<p>&#8220;`<br 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