{"id":6957,"date":"2025-05-31T13:16:42","date_gmt":"2025-06-05T05:38:41","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6957"},"modified":"2025-06-05T13:16:42","modified_gmt":"2025-06-05T05:38:41","slug":"https-badgameshow-com-steven-154","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-154\/","title":{"rendered":"**2025 \u6700\u65b0 Swift UIPickerView \u6559\u5b78\uff1a\u8f15\u9b06\u5efa\u7acb\u591a\u7a2e\u9078\u64c7\u5668\u7684\u6700\u4f73\u5be6\u8e10**"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, UIPickerView, \u7a0b\u5f0f\u6559\u5b78, \u591a\u7a2e\u9078\u64c7\u5668, Swift \u6559\u5b78\"><\/p>\n<h2>2025 \u6700\u65b0 Swift UIPickerView \u6559\u5b78\uff1a\u8f15\u9b06\u5efa\u7acb\u591a\u7a2e\u9078\u64c7\u5668\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>Swift UIPickerView \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u8b93\u4f60\u8f15\u9b06\u5efa\u7acb\u591a\u7a2e\u9078\u64c7\u5668\uff0c\u63d0\u5347\u4f60\u7684 App \u4f7f\u7528\u8005\u9ad4\u9a57\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Swift UIPickerView \u4f86\u5efa\u7acb\u591a\u7a2e\u9078\u64c7\u5668\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u7a0b\u5f0f\u78bc\u7bc4\u4f8b\u3001\u932f\u8aa4\u6392\u9664\u6280\u5de7\u53ca\u5ef6\u4f38\u61c9\u7528\uff0c\u8b93\u4f60\u53ef\u4ee5\u9806\u5229\u958b\u767c\u51fa\u81ea\u5df1\u7684 App\u3002<\/p>\n<p>UIPickerView \u652f\u63f4\u591a\u7a2e\u9078\u64c7\u5668\u7684\u5efa\u7acb\uff0c\u5305\u62ec\u65e5\u671f\u9078\u64c7\u5668\u3001\u6642\u9593\u9078\u64c7\u5668\u53ca\u5730\u5340\u9078\u64c7\u5668\u7b49\u3002\u900f\u904e\u4f7f\u7528 UIPickerView\uff0c\u4f60\u7684 App \u5c07\u8b8a\u5f97\u66f4\u70ba\u5b8c\u6574\uff0c\u4f7f\u7528\u8005\u80fd\u5920\u8f15\u9b06\u9078\u64c7\u6240\u9700\u7684\u8cc7\u6599\u3002<\/p>\n<h3>\u5efa\u7acb UIPickerView \u7684\u57fa\u672c\u6b65\u9a5f<\/h3>\n<p>\u8981\u4f7f\u7528 UIPickerView \u4f86\u5efa\u7acb\u9078\u64c7\u5668\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b UIPickerView \u7684\u5be6\u4f8b\uff0c\u4e26\u8a2d\u5b9a\u5b83\u7684 delegate \u548c dataSource\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let pickerView = UIPickerView()\npickerView.delegate = self\npickerView.dataSource = self\n<\/code><\/pre>\n<h3>\u5be6\u4f5c UIPickerViewDelegate \u548c UIPickerViewDataSource<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f60\u9700\u8981\u5be6\u4f5c UIPickerViewDelegate \u548c UIPickerViewDataSource \u7684\u65b9\u6cd5\uff0c\u4ee5\u8a2d\u5b9a\u9078\u64c7\u5668\u7684\u884c\u6578\u53ca\u6bcf\u4e00\u884c\u7684\u5167\u5bb9\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">func numberOfComponents(in pickerView: UIPickerView) -> Int {\n    return 1 \/\/ \u8fd4\u56de\u9078\u64c7\u5668\u7684\u884c\u6578\n}\n\nfunc pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {\n    return data.count \/\/ \u8fd4\u56de\u6bcf\u884c\u7684\u9078\u9805\u6578\u91cf\n}\n\nfunc pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? 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