{"id":7647,"date":"2025-06-01T14:51:41","date_gmt":"2025-06-05T07:12:41","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7647"},"modified":"2025-06-05T14:51:41","modified_gmt":"2025-06-05T07:12:41","slug":"https-badgameshow-com-steven-475","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-475\/","title":{"rendered":"Swift UIStepper \u4f7f\u7528\u5b8c\u5168\u624b\u518a \u2013 \u638c\u63e1\u5fae\u8abf\u63a7\u5236\u9805\u7684\u6700\u4f73\u5be6\u8e10 (2025 \u6700\u65b0\u7248)"},"content":{"rendered":"

<\/p>\n

\u4ec0\u9ebc\u662f UIStepper\uff1f<\/h2>\n

UIStepper \u662f\u4e00\u7a2e\u7528\u65bc iOS \u61c9\u7528\u7a0b\u5f0f\u7684\u63a7\u5236\u9805\uff0c\u5141\u8a31\u4f7f\u7528\u8005\u8f15\u9b06\u5730\u8abf\u6574\u6578\u503c\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u76f4\u89c0\u7684\u754c\u9762\u8b93\u4f7f\u7528\u8005\u80fd\u5920\u5feb\u901f\u589e\u52a0\u6216\u6e1b\u5c11\u6578\u503c\uff0c\u5e38\u7528\u65bc\u8a2d\u7f6e\u6578\u91cf\u3001\u8abf\u6574\u50f9\u683c\u6216\u5176\u4ed6\u9700\u8981\u7cbe\u78ba\u6578\u503c\u7684\u5834\u666f\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 UIStepper<\/h2>\n

\u5728\u672c\u6559\u5b78\u4e2d\uff0c\u6211\u5011\u5c07\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Swift \u4f86\u5be6\u73fe UIStepper \u63a7\u5236\u9805\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u6b65\u9a5f\u8207\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n

\u6b65\u9a5f 1: \u5728 Storyboard \u4e2d\u6dfb\u52a0 UIStepper<\/h3>\n

\u9996\u5148\uff0c\u5728 Xcode \u7684 Storyboard \u4e2d\u62d6\u66f3\u4e00\u500b UIStepper \u63a7\u5236\u9805\u5230\u4f60\u7684\u8996\u5716\u4e0a\u3002\u63a5\u8457\uff0c\u5c07\u6b64\u63a7\u5236\u9805\u8207\u4f60\u7684 ViewController \u9032\u884c\u9023\u7d50\u3002<\/p>\n

\u6b65\u9a5f 2: \u8a2d\u5b9a UIStepper \u7684\u5c6c\u6027<\/h3>\n

\u5728 ViewController \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u8a2d\u5b9a UIStepper \u7684\u5c6c\u6027\uff1a<\/p>\n

stepper.minimumValue = 0\nstepper.maximumValue = 10\nstepper.stepValue = 1\nstepper.tintColor = .blue\n<\/code><\/pre>\n
\u6b65\u9a5f 3: \u6dfb\u52a0\u76ee\u6a19\u52d5\u4f5c<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u70ba UIStepper \u6dfb\u52a0\u76ee\u6a19\u52d5\u4f5c\uff0c\u4ee5\u4fbf\u5728\u503c\u6539\u8b8a\u6642\u57f7\u884c\u76f8\u61c9\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n
stepper.addTarget(self, action: #selector(stepperValueChanged(_:)), for: .valueChanged)\n\n@objc func stepperValueChanged(_ sender: UIStepper) {\n    print(\"\u7576\u524d\u503c: \\(sender.value)\")\n    \/\/ \u6839\u64da\u9700\u8981\u66f4\u65b0 UI \u6216\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\n}\n<\/code><\/pre>\n
\u6b65\u9a5f 4: \u66f4\u65b0 UIStepper \u7684\u503c<\/h3>\n
\u4f60\u53ef\u4ee5\u96a8\u6642\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u8a2d\u5b9a UIStepper \u7684\u7576\u524d\u503c\uff1a<\/p>\n
stepper.value = 5\n<\/code><\/pre>\n
\u932f\u8aa4\u6392\u9664<\/h2>\n
\u5982\u679c UIStepper \u5728\u904b\u884c\u904e\u7a0b\u4e2d\u51fa\u73fe\u554f\u984c\uff0c\u53ef\u4ee5\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n
    \n
  • \u78ba\u8a8d UIStepper \u662f\u5426\u6b63\u78ba\u9023\u7d50\u5230 ViewController\u3002<\/li>\n
  • \u6aa2\u67e5\u6700\u5c0f\u503c\u8207\u6700\u5927\u503c\u7684\u8a2d\u5b9a\uff0c\u78ba\u4fdd\u5b83\u5011\u7684\u908f\u8f2f\u6b63\u78ba\u3002<\/li>\n
  • \u78ba\u8a8d\u6dfb\u52a0\u76ee\u6a19\u52d5\u4f5c\u7684\u8a9e\u6cd5\u662f\u5426\u6b63\u78ba\uff0c\u78ba\u4fdd selector \u540d\u7a31\u8207\u5be6\u4f5c\u65b9\u6cd5\u4e00\u81f4\u3002<\/li>\n<\/ul>\n
    \u5ef6\u4f38\u61c9\u7528<\/h2>\n
    UIStepper \u53ef\u4ee5\u8207\u5176\u4ed6 UI \u63a7\u5236\u9805\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982 UILabel \u6216 UITextField\uff0c\u4ee5\u4fbf\u5373\u6642\u986f\u793a\u7576\u524d\u503c\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u5728 UIStepper \u7684\u52d5\u4f5c\u4e2d\u66f4\u65b0\u4e00\u500b UILabel\uff0c\u986f\u793a\u76ee\u524d\u7684\u8a2d\u5b9a\u503c\uff1a<\/p>\n
    label.text = \"\u7576\u524d\u503c: \\(sender.value)\"\n<\/code><\/pre>\n
    \"Swift<\/p>\n
    Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
    1. UIStepper \u7684\u6b65\u9577\u53ef\u4ee5\u8a2d\u5b9a\u70ba\u5c0f\u6578\u55ce\uff1f<\/h3>\n
    \u662f\u7684\uff0cUIStepper \u7684\u6b65\u9577\uff08stepValue\uff09\u53ef\u4ee5\u662f\u5c0f\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u5be6\u73fe\u66f4\u7d30\u5fae\u7684\u8abf\u6574\u3002<\/p>\n
    2. UIStepper \u5982\u4f55\u8207\u5176\u4ed6\u63a7\u5236\u9805\u5354\u540c\u4f7f\u7528\uff1f<\/h3>\n
    \u4f60\u53ef\u4ee5\u5728 UIStepper \u7684\u76ee\u6a19\u52d5\u4f5c\u4e2d\u66f4\u65b0\u5176\u4ed6\u63a7\u5236\u9805\u7684\u5c6c\u6027\uff0c\u4f8b\u5982 UILabel \u6216 UITextField\uff0c\u4ee5\u986f\u793a\u7576\u524d\u503c\u3002<\/p>\n
    3. UIStepper \u7684\u5916\u89c0\u53ef\u4ee5\u81ea\u5b9a\u7fa9\u55ce\uff1f<\/h3>\n
    \u53ef\u4ee5\uff0cUIStepper \u652f\u63f4\u591a\u7a2e\u5c6c\u6027\uff0c\u5982 tintColor \u548c\u80cc\u666f\u984f\u8272\uff0c\u8b93\u4f60\u53ef\u4ee5\u6839\u64da\u61c9\u7528\u7a0b\u5f0f\u7684\u98a8\u683c\u9032\u884c\u81ea\u5b9a\u7fa9\u3002<\/p>\n
    —<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684UIStepper\u63a7\u5236\u9805\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u63a7\u5236\u548c\u8abf\u6574\u61c9\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\u3002\u6211\u5011\u5c07\u8a73\u7d30\u4ecb\u7d39UIStepper\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63a7\u5236\u548c\u8abf\u6574\u61c9\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":7646,"comment_status":"open","ping_status":"closed","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-7647","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u5fae\u8abf\u63a7\u5236\u9805UIStepper-\ud83d\udd27\u5b78\u7fd2\u6559\u5b78-\u2013-\u638c\u63e1\u5982\u4f55\u4f7f\u7528_1675478750.587275.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1Zl","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7647","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=7647"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7647\/revisions"}],"predecessor-version":[{"id":13248,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7647\/revisions\/13248"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7646"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}