{"id":6976,"date":"2025-05-31T15:24:25","date_gmt":"2025-06-05T07:24:24","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6976"},"modified":"2025-06-05T15:24:25","modified_gmt":"2025-06-05T07:24:24","slug":"https-badgameshow-com-steven-164","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-164\/","title":{"rendered":"\u30102025 \u6700\u65b0\u7248 Swift \u2013 \u6df1\u5165\u63a2\u7d22 UICollectionView \u5be6\u6230\u6559\u5b78\u3011"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, UICollectionView, \u5be6\u6230\u6559\u5b78, iOS\u958b\u767c, UICollectionViewCell, Swift 2025\"><\/p>\n<h1>2025 \u6700\u65b0\u7248 Swift \u2013 \u6df1\u5165\u63a2\u7d22 UICollectionView \u5be6\u6230\u6559\u5b78<\/h1>\n<p>UICollectionView \u662f iOS \u958b\u767c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5143\u4ef6\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u8f15\u9b06\u5efa\u7acb\u7f8e\u89c0\u7684\u4ecb\u9762\uff0c\u8b93\u4f7f\u7528\u8005\u80fd\u5920\u4fbf\u6377\u5730\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Swift \u4f86\u69cb\u5efa UICollectionView\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u4f60\u5728\u958b\u767c\u4e2d\u66f4\u52a0\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n<h2>UICollectionView \u7c21\u4ecb<\/h2>\n<p>UICollectionView \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u5143\u4ef6\uff0c\u53ef\u4ee5\u7528\u4f86\u986f\u793a\u591a\u7a2e\u8cc7\u6599\u985e\u578b\uff0c\u4f8b\u5982\u5716\u7247\u96c6\u3001\u6e05\u55ae\u6216\u5716\u8868\u7b49\u3002\u9019\u500b\u5143\u4ef6\u7684\u5f48\u6027\u8a2d\u8a08\u4f7f\u5176\u6210\u70ba\u5275\u5efa\u7f8e\u89c0 App \u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2>UICollectionView \u5be6\u6230\u6559\u5b78<\/h2>\n<p>\u5728\u958b\u59cb\u5be6\u6230\u4e4b\u524d\uff0c\u6211\u5011\u5148\u4f86\u770b\u770b UICollectionView \u7684\u57fa\u672c\u67b6\u69cb\uff1a<\/p>\n<ul>\n<li><strong>UICollectionView<\/strong> \u662f\u4e00\u500b\u5bb9\u5668\uff0c\u5305\u542b\u591a\u500b <strong>UICollectionViewCell<\/strong>\u3002<\/li>\n<li>\u6bcf\u500b <strong>UICollectionViewCell<\/strong> \u53ef\u4ee5\u5305\u542b\u591a\u500b <strong>UIView<\/strong>\uff0c\u4f8b\u5982 <strong>UIImageView<\/strong> \u548c <strong>UILabel<\/strong>\u3002<\/li>\n<\/ul>\n<p>\u70ba\u4e86\u8b93 UICollectionView \u6b63\u5e38\u904b\u4f5c\uff0c\u6211\u5011\u9700\u8981\u5efa\u7acb\u4e00\u500b <strong>UICollectionViewDataSource<\/strong>\uff0c\u8b93\u5b83\u77e5\u9053\u8981\u986f\u793a\u591a\u5c11\u500b <strong>UICollectionViewCell<\/strong> \u4ee5\u53ca\u6bcf\u500b\u55ae\u5143\u683c\u7684\u5167\u5bb9\u3002<\/p>\n<h3>Step 1\uff1a\u5efa\u7acb UICollectionView<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u8981\u5efa\u7acb\u4e00\u500b UICollectionView\uff0c\u53ef\u4ee5\u5728 Storyboard \u4e2d\u6216\u7a0b\u5f0f\u78bc\u4e2d\u9032\u884c\u8a2d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let layout = UICollectionViewFlowLayout()\nlet collectionView = UICollectionView(frame: view.bounds, collectionViewLayout: layout)\ncollectionView.backgroundColor = .white\nview.addSubview(collectionView)\n<\/code><\/pre>\n<h3>Step 2\uff1a\u8a2d\u5b9a UICollectionViewDataSource<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u8981\u8a2d\u5b9a UICollectionView \u7684 <strong>dataSource<\/strong>\uff0c\u8b93\u5b83\u77e5\u9053\u8981\u986f\u793a\u591a\u5c11\u500b <strong>UICollectionViewCell<\/strong> \u548c\u6bcf\u500b\u55ae\u5143\u683c\u7684\u5167\u5bb9\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">collectionView.dataSource = self\n<\/code><\/pre>\n<h3>Step 3\uff1a\u5efa\u7acb UICollectionViewCell<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u8981\u5b9a\u7fa9\u4e00\u500b <strong>UICollectionViewCell<\/strong>\uff0c\u53ef\u4ee5\u5305\u542b\u591a\u500b <strong>UIView<\/strong>\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">class MyCollectionViewCell: UICollectionViewCell {\n    let imageView = UIImageView()\n    let label = UILabel()\n\n    override init(frame: CGRect) {\n        super.init(frame: frame)\n\n        contentView.addSubview(imageView)\n        contentView.addSubview(label)\n        setupViews()\n    }\n\n    required init?(coder aDecoder: NSCoder) {\n        fatalError(\"init(coder:) has not been implemented\")\n    }\n\n    private func setupViews() {\n        \/\/ \u8a2d\u7f6e imageView \u548c label \u7684\u7d04\u675f\n        imageView.translatesAutoresizingMaskIntoConstraints = false\n        label.translatesAutoresizingMaskIntoConstraints = false\n\n        NSLayoutConstraint.activate([\n            imageView.topAnchor.constraint(equalTo: contentView.topAnchor),\n            imageView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),\n            imageView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),\n            imageView.heightAnchor.constraint(equalToConstant: 100),\n\n            label.topAnchor.constraint(equalTo: imageView.bottomAnchor),\n            label.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),\n            label.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),\n            label.bottomAnchor.constraint(equalTo: contentView.bottomAnchor)\n        ])\n    }\n}\n<\/code><\/pre>\n<h3>Step 4\uff1a\u8a2d\u5b9a UICollectionViewCell \u7684\u986f\u793a\u5167\u5bb9<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u8981\u8a2d\u5b9a UICollectionViewCell \u7684\u986f\u793a\u5167\u5bb9\uff0c\u4f8b\u5982\u5716\u7247\u548c\u6587\u5b57\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {\n    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: \"MyCell\", for: indexPath) as! MyCollectionViewCell\n    cell.imageView.image = UIImage(named: \"image.png\")\n    cell.label.text = \"Hello World\"\n    return cell\n}\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u5be6\u4f5c\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u554f\u984c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5982\u679c cell \u6c92\u6709\u6b63\u78ba\u986f\u793a\uff0c\u6aa2\u67e5\u662f\u5426\u5df2\u7d93\u8a3b\u518a\u4e86 cell \u7684\u985e\u578b\u3002<\/li>\n<li>\u78ba\u4fdd dataSource \u548c delegate \u5df2\u7d93\u6b63\u78ba\u8a2d\u7f6e\u3002<\/li>\n<li>\u6aa2\u67e5\u5716\u7247\u8cc7\u6e90\u662f\u5426\u6b63\u78ba\u6dfb\u52a0\u5230\u5c08\u6848\u4e2d\u3002<\/li>\n<\/ul>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u4f60\u53ef\u4ee5\u9032\u4e00\u6b65\u63a2\u7d22 UICollectionView \u7684\u81ea\u5b9a\u7fa9\u5e03\u5c40\u3001\u62d6\u62fd\u6392\u5e8f\u4ee5\u53ca\u591a\u9078\u529f\u80fd\u7b49\u9032\u968e\u61c9\u7528\uff0c\u9019\u5c07\u4f7f\u4f60\u7684 App \u66f4\u52a0\u8c50\u5bcc\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u6df1\u5165\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 Swift \u5efa\u7acb UICollectionView\uff0c\u4e26\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u5be6\u4f5c\u7bc4\u4f8b\u3002\u5e0c\u671b\u9019\u80fd\u5e6b\u52a9\u4f60\u5728 iOS \u958b\u767c\u4e2d\u66f4\u9748\u6d3b\u5730\u904b\u7528 UICollectionView\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: \u5982\u4f55\u5728 UICollectionView \u4e2d\u6dfb\u52a0\u4e0d\u540c\u985e\u578b\u7684 Cell\uff1f<\/h3>\n<p>A1: \u4f60\u53ef\u4ee5\u5728 <code>collectionView(_:cellForItemAt:)<\/code> \u65b9\u6cd5\u4e2d\u6839\u64da <code>indexPath<\/code> \u5224\u65b7\u7576\u524d\u986f\u793a\u7684 cell \u985e\u578b\uff0c\u7136\u5f8c\u8fd4\u56de\u5c0d\u61c9\u7684 cell\u3002<\/p>\n<h3>Q2: UICollectionView \u7684\u6027\u80fd\u512a\u5316\u65b9\u6cd5\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>A2: \u4f7f\u7528 <code>dequeueReusableCell<\/code> \u4f86\u91cd\u7528 cell\uff0c\u6e1b\u5c11\u5167\u5b58\u4f7f\u7528\uff1b\u4f7f\u7528 <strong>UICollectionViewFlowLayout<\/strong> \u4f86\u8655\u7406\u81ea\u52d5\u4f48\u5c40\uff0c\u4e26\u78ba\u4fdd\u5716\u7247\u8cc7\u6e90\u7684\u5927\u5c0f\u9069\u5408\u986f\u793a\u3002<\/p>\n<h3>Q3: UICollectionView \u652f\u63f4\u7684\u624b\u52e2\u6709\u54ea\u4e9b\uff1f<\/h3>\n<p>A3: UICollectionView \u652f\u63f4\u591a\u7a2e\u624b\u52e2\uff0c\u5305\u62ec\u9ede\u64ca\u3001\u9577\u6309\u3001\u62d6\u62fd\u7b49\uff0c\u9019\u4e9b\u90fd\u53ef\u4ee5\u901a\u904e\u624b\u52e2\u8b58\u5225\u5668\u4f86\u5be6\u73fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u2013-UICollectionView-\u5be6\u6230\u6559\u5b78\ud83d\udcda_1675399699.3121762.webp\" alt=\"Swift \u2013 UICollectionView \u5be6\u6230\u6559\u5b78\ud83d\udcda\" title=\"Swift\u3001UICollectionView\u3001iOS App\u3001UICollectionViewCell\u3001UICollectionView \u4e8b\u4ef6\" width=\"1200\" height=\"628\"\/><br \/>\n&#8220;`<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4f86\u5be6\u4f5cUICollectionView\uff0c\u8b93\u4f60\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u958b\u767ciOSApp\u3002\u5f9e\u57fa\u672c\u7684UICollectionView\u8a2d\u5b9a\u3001\u81ea\u5b9a\u7fa9UICollectionViewCell\u5230\u8655\u7406UICollectionView\u7684\u4e8b\u4ef6\uff0c\u4e00\u6b65\u6b65\u5e36\u4f60\u4e86\u89e3Swift\u4e2dUICollectionView\u7684\u5be6\u6230\u6559\u5b78\u3002<\/p>\n","protected":false},"author":1,"featured_media":6975,"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-6976","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-\u2013-UICollectionView-\u5be6\u6230\u6559\u5b78\ud83d\udcda_1675399699.3121762.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1Ow","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6976","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=6976"}],"version-history":[{"count":4,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6976\/revisions"}],"predecessor-version":[{"id":13612,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6976\/revisions\/13612"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/6975"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6976"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6976"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}