{"id":3993,"date":"2025-05-29T11:42:09","date_gmt":"2025-06-05T03:54:08","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3993"},"modified":"2025-06-05T11:42:09","modified_gmt":"2025-06-05T03:54:08","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e6%bb%91%e5%9d%97","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e6%bb%91%e5%9d%97\/","title":{"rendered":"2025 \u6700\u65b0 Swift UISlider \u4f7f\u7528\u6559\u5b78\uff1a\u5f9e\u57fa\u672c\u5230\u9032\u968e\u61c9\u7528"},"content":{"rendered":"

<\/p>\n

2025 \u6700\u65b0 Swift UISlider \u4f7f\u7528\u6559\u5b78\uff1a\u5f9e\u57fa\u672c\u5230\u9032\u968e\u61c9\u7528<\/h1>\n

Swift\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5f00\u53d1iOS\u5e94\u7528\u7a0b\u5e8f\u3002\u5728Swift\u4e2d\uff0cUISlider\u7c7b\u662f\u5b9e\u73b0\u6ed1\u5757\u529f\u80fd\u7684\u5173\u952e\u5143\u7d20\u3002\u672c\u6587\u5c06\u5168\u9762\u4ecb\u7ecd\u5982\u4f55\u5728Swift\u4e2d\u4f7f\u7528UISlider\uff0c\u5305\u62ec\u521b\u5efa\u6ed1\u5757\u3001\u8bbe\u7f6e\u5176\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3001\u8c03\u6574\u5f53\u524d\u503c\u3001\u6dfb\u52a0\u4e8b\u4ef6\u54cd\u5e94\uff0c\u4ee5\u53ca\u81ea\u5b9a\u4e49\u6ed1\u5757\u6837\u5f0f\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528UISlider\u7c7b\u5b9e\u73b0\u6ed1\u5757<\/h2>\n

\u8981\u5728Swift\u4e2d\u5b9e\u73b0\u6ed1\u5757\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2aUISlider\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u89c6\u56fe\u4e2d\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u548c\u6dfb\u52a0\u6ed1\u5757\u7684\u57fa\u672c\u6b65\u9aa4\uff1a<\/p>\n

“`swift
\nlet slider = UISlider()
\nslider.translatesAutoresizingMaskIntoConstraints = false \/\/ \u4f7f\u7528Auto Layout
\nview.addSubview(slider)<\/p>\n

\/\/ \u8bbe\u7f6e\u6ed1\u5757\u7684\u7ea6\u675f
\nNSLayoutConstraint.activate([
\n slider.centerXAnchor.constraint(equalTo: view.centerXAnchor),
\n slider.centerYAnchor.constraint(equalTo: view.centerYAnchor),
\n slider.widthAnchor.constraint(equalToConstant: 300)
\n])
\n“`<\/p>\n

\u4ee5\u4e0a\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u521b\u5efaUISlider\u5e76\u4f7f\u7528Auto Layout\u5c06\u5176\u653e\u7f6e\u5728\u89c6\u56fe\u4e2d\u5fc3\u3002<\/p>\n

\u8bbe\u7f6e\u6ed1\u5757\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c<\/h2>\n

\u6ed1\u5757\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e`minimumValue`\u548c`maximumValue`\u5c5e\u6027\u6765\u63a7\u5236\uff1a<\/p>\n

“`swift
\nslider.minimumValue = 0
\nslider.maximumValue = 100
\n“`<\/p>\n

\u786e\u4fdd\u6839\u636e\u5e94\u7528\u9700\u6c42\u5408\u7406\u8bbe\u7f6e\u8fd9\u4e24\u4e2a\u503c\uff0c\u4ee5\u4fbf\u7528\u6237\u80fd\u591f\u83b7\u5f97\u6700\u4f73\u4f53\u9a8c\u3002<\/p>\n

\u8bbe\u7f6e\u6ed1\u5757\u7684\u5f53\u524d\u503c<\/h2>\n

\u6ed1\u5757\u7684\u5f53\u524d\u503c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e`value`\u5c5e\u6027\u6765\u63a7\u5236\uff1a<\/p>\n

“`swift
\nslider.value = 50
\n“`<\/p>\n

\u8fd9\u4e2a\u503c\u5e94\u5728\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u4e4b\u95f4\uff0c\u4ee5\u786e\u4fdd\u6ed1\u5757\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n

\u4e3a\u6ed1\u5757\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5<\/h2>\n

\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e`addTarget`\u65b9\u6cd5\u4e3a\u6ed1\u5757\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\uff0c\u54cd\u5e94\u7528\u6237\u7684\u64cd\u4f5c\uff1a<\/p>\n

“`swift
\nslider.addTarget(self, action: #selector(sliderValueChanged(_:)), for: .valueChanged)<\/p>\n

@objc func sliderValueChanged(_ sender: UISlider) {
\n print(“\u5f53\u524d\u6ed1\u5757\u503c: \\(sender.value)”)
\n}
\n“`<\/p>\n

\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c`sliderValueChanged`\u51fd\u6570\u4f1a\u5728\u6ed1\u5757\u503c\u53d1\u751f\u53d8\u5316\u65f6\u88ab\u8c03\u7528\u3002<\/p>\n

\u8bbe\u7f6e\u6ed1\u5757\u7684\u6837\u5f0f<\/h2>\n

\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e`minimumTrackTintColor`\u3001`maximumTrackTintColor`\u548c`thumbTintColor`\u5c5e\u6027\u6765\u81ea\u5b9a\u4e49\u6ed1\u5757\u7684\u6837\u5f0f\uff1a<\/p>\n

“`swift
\nslider.minimumTrackTintColor = .blue
\nslider.maximumTrackTintColor = .red
\nslider.thumbTintColor = .green
\n“`<\/p>\n

\u81ea\u5b9a\u4e49\u6837\u5f0f\u53ef\u4ee5\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u4f7f\u6ed1\u5757\u66f4\u52a0\u7b26\u5408\u5e94\u7528\u7684\u89c6\u89c9\u98ce\u683c\u3002<\/p>\n

\u9519\u8bef\u6392\u9664\u4e0e\u5e38\u89c1\u95ee\u9898<\/h2>\n

1. **\u6ed1\u5757\u65e0\u6cd5\u54cd\u5e94\u89e6\u6478\u4e8b\u4ef6**\uff1a\u8bf7\u786e\u4fdd\u6ed1\u5757\u7684`userInteractionEnabled`\u5c5e\u6027\u4e3a`true`\uff0c\u5e76\u68c0\u67e5\u662f\u5426\u6709\u5176\u4ed6\u89c6\u56fe\u963b\u6321\u4e86\u6ed1\u5757\u3002
\n2. **\u6ed1\u5757\u503c\u4e0d\u5728\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u4e4b\u95f4**\uff1a\u8bf7\u786e\u8ba4\u5728\u8bbe\u7f6e`value`\u65f6\uff0c\u5b83\u786e\u5b9e\u5728`minimumValue`\u548c`maximumValue`\u4e4b\u95f4\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

UISlider\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u6570\u503c\u8f93\u5165\uff0c\u8fd8\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6UI\u7ec4\u4ef6\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u4ea4\u4e92\u6548\u679c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u6ed1\u5757\u7684\u503c\u5b9e\u65f6\u663e\u793a\u5728\u6807\u7b7e\u4e0a\uff0c\u6216\u8005\u7528\u5b83\u6765\u63a7\u5236\u97f3\u91cf\u3001\u4eae\u5ea6\u7b49\u8bbe\u7f6e\u3002<\/p>\n

\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684UISlider\u7684\u5168\u9762\u4ecb\u7ecd\u3002\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5728Swift\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u6ed1\u5757\u529f\u80fd\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

1. **UISlider\u53ef\u4ee5\u7528\u6765\u505a\u4ec0\u4e48\uff1f**
\n – UISlider\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u97f3\u91cf\u3001\u4eae\u5ea6\u7b49\u53ef\u8c03\u6574\u7684\u8bbe\u7f6e\uff0c\u6216\u7528\u4e8e\u9009\u62e9\u6570\u503c\u8303\u56f4\u3002<\/p>\n

2. **\u5982\u4f55\u5c06UISlider\u7684\u503c\u4e0e\u5176\u4ed6\u7ec4\u4ef6\u8054\u52a8\uff1f**
\n – \u53ef\u4ee5\u901a\u8fc7\u66f4\u65b0UISlider\u7684\u503c\u6765\u5b9e\u65f6\u53cd\u6620\u5728UILabel\u6216\u5176\u4ed6UI\u5143\u7d20\u4e0a\uff0c\u5e76\u4f7f\u7528`addTarget`\u65b9\u6cd5\u6765\u76d1\u542c\u503c\u7684\u53d8\u5316\u3002<\/p>\n

3. **UISlider\u652f\u6301\u54ea\u4e9b\u6837\u5f0f\u81ea\u5b9a\u4e49\uff1f**
\n – UISlider\u652f\u6301\u901a\u8fc7`minimumTrackTintColor`\u3001`maximumTrackTintColor`\u548c`thumbTintColor`\u7b49\u5c5e\u6027\u8fdb\u884c\u6837\u5f0f\u81ea\u5b9a\u4e49\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684UI\u8bbe\u8ba1\u9700\u6c42\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684\u6ed1\u5757\uff0c\u5305\u62ec\u5982\u4f55\u4f7f\u7528UISlider\u7c7b\u4f86\u5be6\u73fe\u6ed1\u5757\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u5757\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u5757\u7684\u7576\u524d\u503c\u3001\u5982\u4f55\u70ba\u6ed1\u5757\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u5757\u7684\u6a23\u5f0f\u7b49\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[174,5],"tags":[173,9],"class_list":["post-3993","post","type-post","status-publish","format-standard","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-12p","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3993"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3993\/revisions"}],"predecessor-version":[{"id":3994,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3993\/revisions\/3994"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}