{"id":7054,"date":"2025-06-03T13:15:41","date_gmt":"2025-06-05T05:39:40","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7054"},"modified":"2025-06-05T13:15:41","modified_gmt":"2025-06-05T05:39:40","slug":"https-badgameshow-com-steven-202-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-202-2\/","title":{"rendered":"Swift 2025\uff1a\u5982\u4f55\u5be6\u73fe\u7121\u9650\u6efe\u52d5 UITableView \u7684\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"swift, UITableView, \u7121\u9650\u6efe\u52d5, iOS \u958b\u767c, UITableViewDataSource, UITableViewDelegate\"><\/p>\n<h1>Swift 2025\uff1a\u5982\u4f55\u5be6\u73fe\u7121\u9650\u6efe\u52d5 UITableView \u7684\u6700\u4f73\u5be6\u8e10<\/h1>\n<p>\u5728 iOS \u958b\u767c\u4e2d\uff0cUITableView \u662f\u4e00\u500b\u6975\u70ba\u5e38\u898b\u7684 UI 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\u6642\u88ab\u547c\u53eb\uff0c\u6211\u5011\u5c07\u5728\u9019\u88e1\u6aa2\u67e5\u662f\u5426\u5df2\u7d93\u6efe\u52d5\u5230\u6700\u5e95\u90e8\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">func scrollViewDidScroll(_ scrollView: UIScrollView) {\n    let offsetY = scrollView.contentOffset.y\n    let contentHeight = scrollView.contentSize.height\n    if offsetY > contentHeight - scrollView.frame.height {\n        \/\/ \u5df2\u7d93\u6efe\u52d5\u5230\u6700\u5e95\u90e8\n        loadMoreData()\n    }\n}\n<\/code><\/pre>\n<h3>2. \u8acb\u6c42\u66f4\u591a\u7684\u8cc7\u6599<\/h3>\n<p>\u7576\u6211\u5011\u6aa2\u67e5\u5230\u5df2\u7d93\u6efe\u52d5\u5230\u6700\u5e95\u90e8\u5f8c\uff0c\u63a5\u4e0b\u4f86\u5c31\u662f\u8acb\u6c42\u66f4\u591a\u8cc7\u6599\u7684\u6642\u6a5f\u3002\u53ef\u4ee5\u900f\u904e\u7db2\u8def\u8acb\u6c42\u4f86\u7372\u53d6\u65b0\u8cc7\u6599\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">func loadMoreData() {\n    \/\/ \u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7db2\u8def\u8acb\u6c42\u51fd\u6578\n    fetchNewData { newData in\n        self.dataSource.append(contentsOf: newData)\n        DispatchQueue.main.async {\n            self.tableView.reloadData()\n        }\n    }\n}\n<\/code><\/pre>\n<h3>3. \u66f4\u65b0 UITableView \u7684 dataSource<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07\u65b0\u8acb\u6c42\u7684\u8cc7\u6599\u52a0\u5165\u5230 UITableView \u7684 dataSource \u4e2d\u3002\u78ba\u4fdd\u4f60\u6709\u4e00\u500b\u53ef\u8b8a\u7684\u8cc7\u6599\u4f86\u6e90\u4f86\u5132\u5b58\u8cc7\u6599\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">var dataSource: [YourDataType] = []\n\n\/\/ \u5728 loadMoreData \u4e2d\u7684\u56de\u8abf\u4e2d\nself.dataSource.append(contentsOf: newData)\n<\/code><\/pre>\n<h3>4. \u91cd\u65b0\u986f\u793a\u8cc7\u6599<\/h3>\n<p>\u6700\u5f8c\uff0c\u7576\u65b0\u8cc7\u6599\u52a0\u5165\u5230 dataSource \u4e2d\u5f8c\uff0c\u4f7f\u7528 <code>reloadData()<\/code> \u4f86\u66f4\u65b0 UITableView \u7684\u986f\u793a\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">DispatchQueue.main.async {\n    self.tableView.reloadData()\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\u932f\u8aa4\uff0c\u6bd4\u5982\u8cc7\u6599\u7121\u6cd5\u6b63\u78ba\u52a0\u8f09\u6216 UITableView \u986f\u793a\u4e0d\u6b63\u78ba\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6392\u9664\u6cd5\uff1a<br \/>\n&#8211; \u78ba\u4fdd\u7db2\u8def\u8acb\u6c42\u7684 URL \u6b63\u78ba\uff0c\u4e26\u4e14\u4f3a\u670d\u5668\u56de\u61c9\u6b63\u5e38\u3002<br \/>\n&#8211; \u6aa2\u67e5\u8cc7\u6599\u6e90\u7684\u66f4\u65b0\u662f\u5426\u5728\u4e3b\u7dda\u7a0b\u4e0a\u9032\u884c\u3002<br \/>\n&#8211; \u78ba\u8a8d UITableView \u7684 delegate \u548c datasource \u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u7121\u9650\u6efe\u52d5\u7684 UITableView \u4e0d\u50c5\u9069\u7528\u65bc\u65b0\u805e App\uff0c\u4e5f\u53ef\u4ee5\u61c9\u7528\u5728\u793e\u4ea4\u5a92\u9ad4\u3001\u96fb\u5b50\u5546\u52d9\u7b49\u61c9\u7528\u4e2d\u3002\u4f60\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u4fee\u6539\u8cc7\u6599\u8acb\u6c42\u7684\u908f\u8f2f\u6216\u986f\u793a\u7684\u5167\u5bb9\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u900f\u904e\u4ee5\u4e0a\u7684\u6b65\u9a5f\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728 Swift 2025 \u4e2d\u5be6\u73fe\u7121\u9650\u6efe\u52d5\u7684 <strong>UITableView<\/strong>\u3002\u5982\u679c\u60a8\u60f3\u8981\u66f4\u8a73\u7d30\u7684\u7a0b\u5f0f\u78bc\uff0c\u53ef\u4ee5\u53c3\u8003\u6211\u5011\u7684 <a href=\"https:\/\/example.com\/\" target=\"_blank\" rel=\"noopener\">Github \u7bc4\u4f8b<\/a>\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: 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src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u2013-\u5982\u4f55\u5be6\u73fe\u7121\u9650\u6efe\u52d5-UITableView-\ud83c\udf00_1675401475.385866.webp\" alt=\"Swift \u2013 \u5982\u4f55\u5be6\u73fe\u7121\u9650\u6efe\u52d5 UITableView \ud83c\udf00\" title=\"Swift UITableView\u3001\u7121\u9650\u6efe\u52d5\u3001UITableViewDataSource\u3001UITableViewDelegate\" width=\"1200\" height=\"628\"\/><br 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