<\/p>\n
\u5728\u7576\u4eca\u7684iOS\u61c9\u7528\u958b\u767c\u4e2d\uff0cSwift\u662f\u4e00\u7a2e\u4e0d\u53ef\u6216\u7f3a\u7684\u7de8\u7a0b\u8a9e\u8a00\u3002\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0cSwift\u4e0d\u50c5\u80fd\u5920\u5275\u5efa\u9ad8\u6548\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u9084\u80fd\u63d0\u4f9b\u512a\u96c5\u7684\u7528\u6236\u754c\u9762\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728Swift\u4e2d\u4f7f\u7528UISlider\u985e\u4f86\u5be6\u73fe\u6ed1\u52d5\u689d\uff0c\u5e6b\u52a9\u7528\u6236\u8f15\u9b06\u8abf\u6574\u6578\u503c\u4e26\u589e\u5f37\u61c9\u7528\u7684\u4e92\u52d5\u6027\u3002<\/p>\n
UISlider\u662fiOS\u4e2d\u7684\u4e00\u500bUI\u7d44\u4ef6\uff0c\u5b83\u5141\u8a31\u7528\u6236\u901a\u904e\u62d6\u52d5\u6ed1\u584a\u4f86\u9078\u64c7\u4e00\u500b\u7bc4\u570d\u5167\u7684\u6578\u503c\u3002\u9019\u500b\u8996\u89ba\u5316\u7684\u63a7\u5236\u5143\u4ef6\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u5834\u666f\uff0c\u4f8b\u5982\u97f3\u91cf\u8abf\u7bc0\u3001\u4eae\u5ea6\u8abf\u6574\u7b49\u3002<\/p>\n
\u8981\u5728Swift\u4e2d\u5275\u5efa\u4e00\u500b\u6ed1\u52d5\u689d\uff0c\u9996\u5148\u9700\u8981\u5be6\u4f8b\u5316UISlider\u4e26\u5c07\u5176\u6dfb\u52a0\u5230\u8996\u5716\u4e2d\uff1a<\/p>\n
“`swift
\nlet slider = UISlider()
\nview.addSubview(slider)
\n“`<\/p>\n
\u4f7f\u7528`minimumValue`\u548c`maximumValue`\u5c6c\u6027\u4f86\u5b9a\u7fa9\u6ed1\u52d5\u689d\u7684\u7bc4\u570d\uff0c\u9019\u6a23\u7528\u6236\u53ef\u4ee5\u5728\u9019\u500b\u7bc4\u570d\u5167\u9032\u884c\u8abf\u6574\uff1a<\/p>\n
“`swift
\nslider.minimumValue = 0
\nslider.maximumValue = 100
\n“`<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528`value`\u5c6c\u6027\u4f86\u8a2d\u7f6e\u6ed1\u52d5\u689d\u7684\u7576\u524d\u503c\uff0c\u9019\u6a23\u7528\u6236\u4e00\u6253\u958b\u61c9\u7528\u5c31\u80fd\u770b\u5230\u9810\u8a2d\u503c\uff1a<\/p>\n
“`swift
\nslider.value = 50
\n“`<\/p>\n
\u70ba\u4e86\u5be6\u6642\u97ff\u61c9\u7528\u6236\u7684\u64cd\u4f5c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528`addTarget`\u65b9\u6cd5\u4f86\u70ba\u6ed1\u52d5\u689d\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u3002\u7576\u6ed1\u52d5\u689d\u7684\u503c\u6539\u8b8a\u6642\uff0c\u6307\u5b9a\u7684\u51fd\u6578\u5c07\u88ab\u8abf\u7528\uff1a<\/p>\n
“`swift
\nslider.addTarget(self, action: #selector(sliderValueChanged(_:)), for: .valueChanged)
\n“`<\/p>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528`setThumbImage`\u65b9\u6cd5\u70ba\u6ed1\u52d5\u689d\u8a2d\u7f6e\u81ea\u5b9a\u7fa9\u7684\u6ed1\u584a\u5716\u6a19\uff0c\u4f7f\u5176\u66f4\u5177\u500b\u6027\u5316\uff1a<\/p>\n
“`swift
\nslider.setThumbImage(UIImage(named: “thumb”), for: .normal)
\n“`<\/p>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u4f60\u5df2\u7d93\u5b78\u6703\u4e86\u5982\u4f55\u5728Swift\u4e2d\u4f7f\u7528UISlider\u4f86\u5275\u5efa\u6ed1\u52d5\u689d\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u5347\u61c9\u7528\u7684\u4e92\u52d5\u6027\uff0c\u9084\u80fd\u8b93\u4f60\u7684\u7528\u6236\u9ad4\u9a57\u8b8a\u5f97\u66f4\u52a0\u6d41\u66a2\u3002\u7121\u8ad6\u662f\u97f3\u91cf\u63a7\u5236\u9084\u662f\u5176\u4ed6\u6578\u503c\u8abf\u6574\uff0cUISlider\u90fd\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684UI\u7d44\u4ef6\u3002\u5feb\u4f86\u5be6\u8e10\u4e00\u4e0b\u5427\uff0c\u8b93\u4f60\u7684\u61c9\u7528\u66f4\u5177\u5438\u5f15\u529b\uff01<\/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\u689d\uff0c\u5305\u62ec\u5982\u4f55\u4f7f\u7528UISlider\u985e\u4f86\u5be6\u73fe\u6ed1\u52d5\u689d\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u52d5\u689d\u7684\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u52d5\u689d\u7684\u7576\u524d\u503c\u3001\u5982\u4f55\u70ba\u6ed1\u52d5\u689d\u6dfb\u52a0\u4e8b\u4ef6\u8655\u7406\u65b9\u6cd5\u3001\u5982\u4f55\u8a2d\u7f6e\u6ed1\u52d5\u689d\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-4019","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\/4019","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=4019"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4019\/revisions"}],"predecessor-version":[{"id":4020,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4019\/revisions\/4020"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}