{"id":458,"date":"2025-06-04T11:04:40","date_gmt":"2025-06-05T03:32:40","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=458"},"modified":"2025-06-05T11:04:40","modified_gmt":"2025-06-05T03:32:40","slug":"swift-%e5%9c%96%e7%89%87-%e5%b9%bb%e7%87%88%e7%89%87","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/swift-%e5%9c%96%e7%89%87-%e5%b9%bb%e7%87%88%e7%89%87\/","title":{"rendered":"2025 \u6700\u65b0 Swift \u5716\u7247\u5e7b\u71c8\u7247\u88fd\u4f5c\u6559\u5b78\uff1a\u4f7f\u7528 UIView.transition \u7684\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p>&#8220;`html<\/p>\n<h3>\u7c21\u8981\u4ecb\u7d39<\/h3>\n<p>\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Swift \u548c UIView.transition \u4f86\u88fd\u4f5c\u5716\u7247\u5e7b\u71c8\u7247\u6548\u679c\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u7528\uff0c\u800c\u4e14\u80fd\u8b93\u4f60\u7684\u61c9\u7528\u7a0b\u5f0f\u754c\u9762\u66f4\u52a0\u751f\u52d5\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u6703\u9010\u6b65\u4ecb\u7d39\u5982\u4f55\u8a2d\u7f6e\u5169\u500b UIImageView\uff0c\u4ee5\u53ca\u5982\u4f55\u900f\u904e UIButton \u4f86\u5be6\u73fe\u5716\u7247\u7684\u5207\u63db\u6548\u679c\u3002<\/p>\n<h3>\u57fa\u672c\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u6e96\u5099\u5169\u500b UIImageView \u548c\u4e00\u500b UIButton\uff0c\u9019\u6a23\u624d\u80fd\u5be6\u73fe\u5716\u7247\u7684\u5207\u63db\u3002<\/p>\n<h4>\u5ba3\u544a\u8b8a\u6578<\/h4>\n<p>\u5728\u4f60\u7684 ViewController \u4e2d\uff0c\u5ba3\u544a\u4ee5\u4e0b\u8b8a\u6578\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\"> \nlet imageView1 = UIImageView(image: UIImage(named: \"food1\"))\nlet imageView2 = UIImageView(image: UIImage(named: \"food3\"))\nlet button = UIButton(type: .system)\nvar flag = 0\n<\/code><\/pre>\n<h4>viewDidLoad \u65b9\u6cd5<\/h4>\n<p>\u5728 viewDidLoad \u4e2d\uff0c\u6211\u5011\u5c07\u8a2d\u7f6e UIImageView \u7684\u5c6c\u6027\uff0c\u4e26\u6dfb\u52a0\u5230\u4e3b\u8996\u5716\u4e2d\u3002\u540c\u6642\u4e5f\u6703\u8a2d\u7f6e UIButton \u7684\u57fa\u672c\u5c6c\u6027\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\"> \noverride func viewDidLoad() {\n    super.viewDidLoad()\n    imageView2.isHidden = true\n    \n    [imageView1, imageView2].forEach {\n        <span class=\"katex math inline\">0.contentMode = .scaleAspectFill<\/span>0.layer.masksToBounds = true\n        <span class=\"katex math inline\">0.frame = CGRect(x: 0, y: 0, width: self.view.frame.width, height: self.view.frame.width)\n        view.addSubview(<\/span>0)\n    }\n    \n    view.addSubview(button)\n    button.frame = CGRect(x: 0, y: 0, width: self.view.frame.width, height: self.view.frame.width)\n    button.setTitle(\"\", for: .normal)\n    button.addTarget(self, action: #selector(buttonClicked), for: .touchUpInside)\n}\n<\/code><\/pre>\n<h4>Button \u7684 Target \u65b9\u6cd5<\/h4>\n<p>\u5728\u9019\u500b\u65b9\u6cd5\u4e2d\uff0c\u6211\u5011\u5c07\u4f7f\u7528 flag \u8b8a\u6578\u4f86\u5207\u63db\u5716\u7247\u3002\u901a\u904e flag % 2\uff0c\u6211\u5011\u53ef\u4ee5\u5224\u65b7\u7576\u524d\u986f\u793a\u7684\u662f\u54ea\u4e00\u5f35\u5716\u7247\u3002\u4f7f\u7528 UIView.transition \u4f86\u5be6\u73fe\u8f49\u63db\u6548\u679c\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\"> \n@IBAction func buttonClicked(sender: UIButton) {\n    let isOne = flag % 2 == 0\n    let currentView = isOne ? imageView1 : imageView2\n    let toView = isOne ? imageView2 : imageView1\n    flag += 1\n    \n    UIView.transition(from: currentView, to: toView, duration: 0.4, options: [.showHideTransitionViews, .transitionCrossDissolve], completion: nil)\n}\n<\/code><\/pre>\n<p><strong>Demo \u6548\u679c<\/strong><br \/>\n<img decoding=\"async\" src=\"https:\/\/i.imgur.com\/WOigb7D.gif\" alt=\"\u5716\u7247\u5e7b\u71c8\u7247\u6548\u679c\u5c55\u793a\" title=\"\"><\/p>\n<h3>\u5b8c\u6210<\/h3>\n<p>\u900f\u904e\u4ee5\u4e0a\u7684\u6b65\u9a5f\uff0c\u4f60\u5df2\u7d93\u6210\u529f\u5be6\u73fe\u4e86 Swift \u4e2d\u7684\u5716\u7247\u5e7b\u71c8\u7247\u6548\u679c\u3002\u9019\u500b\u6548\u679c\u53ef\u4ee5\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h3>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h3>\n<p><strong>Q1: \u5982\u4f55\u6dfb\u52a0\u66f4\u591a\u5716\u7247\u5230\u5e7b\u71c8\u7247\u4e2d\uff1f<\/strong><br \/>\nA1: \u4f60\u53ef\u4ee5\u589e\u52a0\u66f4\u591a\u7684 UIImageView\uff0c\u4e26\u5728 buttonClicked \u65b9\u6cd5\u4e2d\u9032\u884c\u76f8\u61c9\u7684\u908f\u8f2f\u8655\u7406\uff0c\u4ee5\u652f\u6301\u66f4\u591a\u7684\u5716\u7247\u5207\u63db\u3002<\/p>\n<p><strong>Q2: UIView.transition \u662f\u5426\u652f\u6301\u81ea\u5b9a\u7fa9\u8f49\u63db\u6548\u679c\uff1f<\/strong><br \/>\nA2: \u662f\u7684\uff0cUIView.transition \u5141\u8a31\u4f60\u4f7f\u7528\u4e0d\u540c\u7684\u9078\u9805\u4f86\u5275\u5efa\u81ea\u5b9a\u7fa9\u7684\u8f49\u63db\u6548\u679c\uff0c\u4f60\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574 duration \u548c options \u53c3\u6578\u3002<\/p>\n<p><strong>Q3: \u5982\u4f55\u63d0\u5347\u5716\u7247\u7684\u52a0\u8f09\u901f\u5ea6\uff1f<\/strong><br \/>\nA3: \u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5716\u7247\u7de9\u5b58\u6280\u8853\uff0c\u6216\u8005\u4f7f\u7528\u66f4\u5c0f\u7684\u5716\u7247\u5c3a\u5bf8\u4f86\u63d0\u9ad8\u52a0\u8f09\u901f\u5ea6\u3002<br \/>\n&#8220;`<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u90a3\u7bc7\u505a\u5169\u500b`View`\u7684\u52d5\u756b<br \/>\n\u4e5f\u5c31\u662f`UIView.animate`<\/p>\n<p>[[Day 22] Swift UIImageView \u6de1\u5165\u6de1\u51fa \u5207\u63db\u5716\u7247\u6548\u679c \u5e7b\u71c8\u7247 (\u4e00)](https:\/\/ithelp.ithome.com.tw\/articles\/10225732)<\/p>\n<p>\u6709`\u9ad8\u968e\u5de5\u7a0b\u5e2b`\u8ddf\u6211\u63d0\u9192<br \/>\n\u5176\u5be6\u9084\u53ef\u4ee5\u4f7f\u7528`UIView.transition`\u4f86\u5be6\u4f5c\u6548\u679c<br \/>\n\u90a3\u5c31\u4f86\u770b\u600e\u9ebc\u5beb\u5427 GoGoGo<\/p>\n","protected":false},"author":1,"featured_media":559,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5],"tags":[],"class_list":["post-458","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-swift","post_format-post-format-aside"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2020\/11\/cup-1-1.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-7o","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/458","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=458"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/458\/revisions"}],"predecessor-version":[{"id":563,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/458\/revisions\/563"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/559"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}