{"id":3975,"date":"2025-05-31T11:14:52","date_gmt":"2025-06-05T03:51:51","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3975"},"modified":"2025-06-05T11:14:52","modified_gmt":"2025-06-05T03:51:51","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%8b%95%e9%81%b8%e6%93%87%e5%99%a8","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%8b%95%e9%81%b8%e6%93%87%e5%99%a8\/","title":{"rendered":"2025 \u6700\u65b0\u7248 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u4f7f\u7528 UISlider \u5be6\u73fe\u6ed1\u52d5\u9078\u64c7\u5668"},"content":{"rendered":"

<\/p>\n

2025 \u6700\u65b0\u7248 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u4f7f\u7528 UISlider \u5be6\u73fe\u6ed1\u52d5\u9078\u64c7\u5668<\/h1>\n

\u5728 Swift \u4e2d\uff0c\u6ed1\u52d5\u9078\u64c7\u5668\uff08UISlider\uff09\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u7528\u6236\u754c\u9762\u5143\u7d20\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u900f\u904e UISlider\uff0c\u7528\u6236\u53ef\u4ee5\u65b9\u4fbf\u5730\u5f9e\u4e00\u500b\u7bc4\u570d\u5167\u9078\u64c7\u6578\u503c\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 UISlider \u985e\u4f86\u5be6\u73fe\u6ed1\u52d5\u9078\u64c7\u5668\uff0c\u5305\u62ec\u5982\u4f55\u8a2d\u7f6e\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u3001\u7372\u53d6\u7576\u524d\u503c\u4ee5\u53ca\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\u7b49\u3002<\/p>\n

\u4f7f\u7528 UISlider \u985e\u5be6\u73fe\u6ed1\u52d5\u9078\u64c7\u5668<\/h2>\n

\u9996\u5148\uff0c\u9700\u8981\u5275\u5efa\u4e00\u500b UISlider \u5be6\u4f8b\u4e26\u5c07\u5176\u6dfb\u52a0\u5230\u8996\u5716\u4e2d\u3002\u4ee5\u4e0b\u662f Swift 2025 \u7684\u7bc4\u4f8b\u4ee3\u78bc\uff1a<\/p>\n

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

\/\/ \u8a2d\u7f6e\u7d04\u675f\u4ee5\u4f7f\u6ed1\u52d5\u9078\u64c7\u5668\u986f\u793a\u5728\u8996\u5716\u4e2d
\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

\u63a5\u4e0b\u4f86\uff0c\u8a2d\u7f6e\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff1a<\/p>\n

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

\u53ef\u4ee5\u8a2d\u7f6e\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u7576\u524d\u503c\uff1a<\/p>\n

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

\u7372\u53d6\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u7576\u524d\u503c<\/h2>\n

\u7528\u6236\u62d6\u52d5\u6ed1\u52d5\u9078\u64c7\u5668\u6642\uff0c\u53ef\u4ee5\u900f\u904e `value` \u5c6c\u6027\u4f86\u7372\u53d6\u7576\u524d\u503c\uff1a<\/p>\n

“`swift
\nlet currentValue = slider.value
\n“`<\/p>\n

\u70ba\u6ed1\u52d5\u9078\u64c7\u5668\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5<\/h2>\n

\u70ba\u6ed1\u52d5\u9078\u64c7\u5668\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528 `addTarget` \u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f Swift 2025 \u7684\u7bc4\u4f8b\u4ee3\u78bc\uff1a<\/p>\n

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

\u5728 `handleSliderValueChanged` \u65b9\u6cd5\u4e2d\uff0c\u53ef\u4ee5\u7372\u53d6\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u7576\u524d\u503c\u4e26\u9032\u884c\u76f8\u61c9\u64cd\u4f5c\uff1a<\/p>\n

“`swift
\n@objc func handleSliderValueChanged(slider: UISlider) {
\n let currentValue = slider.value
\n print(“\u7576\u524d\u503c: \\(currentValue)”)
\n \/\/ \u5728\u9019\u88e1\u53ef\u4ee5\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\uff0c\u4f8b\u5982\u66f4\u65b0UI\u6216\u4fdd\u5b58\u6578\u64da
\n}
\n“`<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u5be6\u4f5c UISlider \u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u554f\u984c\uff1a
\n– **\u6ed1\u52d5\u9078\u64c7\u5668\u4e0d\u986f\u793a**\uff1a\u78ba\u4fdd\u5df2\u6b63\u78ba\u6dfb\u52a0\u81f3\u8996\u5716\u4e26\u8a2d\u7f6e\u7d04\u675f\u3002
\n– **\u7121\u6cd5\u7372\u53d6\u7576\u524d\u503c**\uff1a\u6aa2\u67e5\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\u662f\u5426\u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002<\/p>\n

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

UISlider \u53ef\u4ee5\u7528\u65bc\u591a\u7a2e\u61c9\u7528\u5834\u666f\uff0c\u4f8b\u5982\uff1a
\n– \u97f3\u91cf\u63a7\u5236
\n– \u4eae\u5ea6\u8abf\u6574
\n– \u9078\u64c7\u6578\u503c\u7bc4\u570d<\/p>\n

\u901a\u904e\u9032\u4e00\u6b65\u7684\u81ea\u5b9a\u7fa9\uff0c\u60a8\u9084\u53ef\u4ee5\u8a2d\u8a08\u51fa\u66f4\u8907\u96dc\u7684\u6ed1\u52d5\u9078\u64c7\u5668\u3002<\/p>\n

\u7d50\u8a9e<\/h2>\n

\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 Swift 2025 \u4e2d\u7684 UISlider \u5be6\u73fe\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u5305\u62ec\u8a2d\u7f6e\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u3001\u7372\u53d6\u7576\u524d\u503c\u4ee5\u53ca\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\u3002\u900f\u904e\u9019\u4e9b\u77e5\u8b58\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u5728\u60a8\u7684 iOS \u61c9\u7528\u4e2d\u6709\u6548\u904b\u7528\u6ed1\u52d5\u9078\u64c7\u5668\u3002<\/p>\n

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

**Q1: UISlider \u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u53ef\u4ee5\u662f\u8ca0\u6578\u55ce\uff1f**
\nA1: \u662f\u7684\uff0cUISlider \u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u53ef\u4ee5\u8a2d\u5b9a\u70ba\u8ca0\u6578\uff0c\u9019\u6a23\u7528\u6236\u5c31\u53ef\u4ee5\u5728\u8ca0\u6578\u548c\u6b63\u6578\u4e4b\u9593\u6ed1\u52d5\u3002<\/p>\n

**Q2: \u5982\u4f55\u81ea\u5b9a\u7fa9 UISlider \u7684\u5916\u89c0\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u4f7f\u7528 `minimumTrackTintColor` \u548c `maximumTrackTintColor` \u5c6c\u6027\u4f86\u8a2d\u7f6e\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u984f\u8272\uff0c\u4e26\u4f7f\u7528 `thumbTintColor` \u4f86\u6539\u8b8a\u6ed1\u584a\u7684\u984f\u8272\u3002<\/p>\n

**Q3: UISlider \u652f\u6301\u54ea\u4e9b\u624b\u52e2\uff1f**
\nA3: UISlider \u4e3b\u8981\u652f\u6301\u6ed1\u52d5\u624b\u52e2\uff0c\u901a\u904e\u7528\u6236\u7684\u89f8\u63a7\u64cd\u4f5c\u4f86\u6539\u8b8a\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u6dfb\u52a0\u984d\u5916\u7684\u624b\u52e2\u8b58\u5225\u5668\u4ee5\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u4ea4\u4e92\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\u52d5\u9078\u64c7\u5668\uff0c\u5305\u62ec\u5982\u4f55\u4f7f\u7528UISlider\u985e\u4f86\u5be6\u73fe\u6ed1\u52d5\u9078\u64c7\u5668\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3001\u5982\u4f55\u7372\u53d6\u6ed1\u52d5\u9078\u64c7\u5668\u7684\u7576\u524d\u503c\u3001\u5982\u4f55\u70ba\u6ed1\u52d5\u9078\u64c7\u5668\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\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-3975","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\/pcFK27-127","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3975","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=3975"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3975\/revisions"}],"predecessor-version":[{"id":3976,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3975\/revisions\/3976"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}