{"id":7144,"date":"2025-05-31T14:14:39","date_gmt":"2025-06-05T06:51:39","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7144"},"modified":"2025-06-05T14:14:39","modified_gmt":"2025-06-05T06:51:39","slug":"https-badgameshow-com-steven-246","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-246\/","title":{"rendered":"2025 \u5e74\u6700\u65b0 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u81ea\u5b9a\u7fa9 UITableView \u5206\u5272\u7dda \ud83c\udfa8"},"content":{"rendered":"

“`html
\n<\/p>\n

\u81ea\u5b9a\u7fa9 UITableView \u5206\u5272\u7dda\u7684\u5fc5\u8981\u6027<\/h2>\n

\u5728iOS\u958b\u767c\u4e2d\uff0cUITableView<\/strong>\u662f\u4e00\u500b\u975e\u5e38\u5e38\u898b\u7684\u5143\u4ef6\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5feb\u901f\u5efa\u7acb\u5217\u8868\u3002\u7136\u800c\uff0c\u70ba\u4e86\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u7f8e\u89c0\u5ea6\uff0c\u958b\u767c\u8005\u7d93\u5e38\u9700\u8981\u81ea\u5b9a\u7fa9UITableView\u7684\u5206\u5272\u7dda\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5728Swift 2025\u7248\u672c\u4e2d\u5982\u4f55\u6709\u6548\u5730\u81ea\u5b9a\u7fa9UITableView\u7684\u5206\u5272\u7dda\u3002<\/p>\n

\u4f7f\u7528 UITableViewDelegate \u81ea\u5b9a\u7fa9\u5206\u5272\u7dda<\/h2>\n

\u5728Swift\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528UITableViewDelegate<\/strong>\u4f86\u81ea\u5b9a\u7fa9UITableView\u7684\u5206\u5272\u7dda\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u6211\u5011\u5c07\u5229\u7528\u65b9\u6cd5tableView(_:willDisplayCell:forRowAt:)<\/strong>\uff0c\u8a72\u65b9\u6cd5\u6703\u5728\u6bcf\u500bCell\u986f\u793a\u4e4b\u524d\u88ab\u8abf\u7528\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u7684\u5be6\u4f5c\u7bc4\u4f8b\uff1a<\/p>\n

func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {\n    let separatorLine = UIBezierPath(rect: CGRect(x: 0, y: cell.frame.height - 1, width: cell.frame.width, height: 1))\n    let separatorLayer = CAShapeLayer()\n    separatorLayer.path = separatorLine.cgPath\n    separatorLayer.fillColor = UIColor.red.cgColor \/\/ \u53ef\u66f4\u6539\u984f\u8272\n    cell.layer.addSublayer(separatorLayer)\n}\n<\/code><\/pre>\n
\u4e0a\u8ff0\u7a0b\u5f0f\u78bc\u6703\u5728\u6bcf\u500bCell\u986f\u793a\u4e4b\u524d\uff0c\u5c07\u4e00\u500b\u7d05\u8272\u7684\u5206\u5272\u7dda\u52a0\u5165\u5230Cell\u7684Layer\u4e2d\u3002\u9019\u6a23\u7684\u81ea\u5b9a\u7fa9\u4e0d\u50c5\u4f7f\u5206\u5272\u7dda\u66f4\u5177\u5438\u5f15\u529b\uff0c\u9084\u80fd\u63d0\u5347\u6574\u9ad4\u7684\u4f7f\u7528\u9ad4\u9a57\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664<\/h2>\n
\u5728\u5be6\u4f5c\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n
    \n
  • \u5206\u5272\u7dda\u4e0d\u986f\u793a\uff1a<\/strong>\u78ba\u4fddcell\u7684frame\u5df2\u7d93\u6b63\u78ba\u8a2d\u7f6e\uff0c\u4e14\u5728cell\u88ab\u5c55\u793a\u4e4b\u524d\u9032\u884c\u8abf\u7528\u3002<\/li>\n
  • \u984f\u8272\u672a\u8b8a\u66f4\uff1a<\/strong>\u78ba\u8a8dfillColor\u7684\u984f\u8272\u8a2d\u7f6e\u6b63\u78ba\uff0c\u4e26\u4e14\u7b26\u5408UIColor\u7684\u53c3\u6578\u3002<\/li>\n<\/ul>\n
    \u5ef6\u4f38\u61c9\u7528<\/h2>\n
    \u9664\u4e86\u7d05\u8272\u7684\u5206\u5272\u7dda\uff0c\u60a8\u4e5f\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u8abf\u6574\u5206\u5272\u7dda\u7684\u984f\u8272\u3001\u539a\u5ea6\u548c\u6a23\u5f0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u984f\u8272\u4f86\u5340\u5206\u4e0d\u540c\u985e\u578b\u7684\u5217\u8868\u9805\u76ee\uff0c\u6216\u4f7f\u7528\u865b\u7dda\u4f86\u589e\u52a0\u8996\u89ba\u6548\u679c\u3002<\/p>\n
    \"Swift<\/p>\n
    Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
    Q1: \u5982\u4f55\u6539\u8b8a\u5206\u5272\u7dda\u7684\u984f\u8272\uff1f<\/h3>\n
    A1: \u60a8\u53ef\u4ee5\u901a\u904e\u4fee\u6539separatorLayer.fillColor<\/code>\u7684\u984f\u8272\u4f86\u6539\u8b8a\u5206\u5272\u7dda\u7684\u984f\u8272\uff0c\u4f8b\u5982\u4f7f\u7528UIColor.blue.cgColor<\/code>\u4f86\u8a2d\u7f6e\u70ba\u85cd\u8272\u3002<\/p>\n
    Q2: \u53ef\u4ee5\u70ba\u4e0d\u540c\u7684\u884c\u8a2d\u7f6e\u4e0d\u540c\u7684\u5206\u5272\u7dda\u6a23\u5f0f\u55ce\uff1f<\/h3>\n
    A2: \u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u6839\u64daindexPath\u4f86\u6aa2\u67e5\u7576\u524d\u884c\u7684\u7d22\u5f15\uff0c\u7136\u5f8c\u5c0d\u4e0d\u540c\u7684\u884c\u4f7f\u7528\u4e0d\u540c\u7684\u984f\u8272\u6216\u6a23\u5f0f\u3002<\/p>\n
    Q3: \u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u81ea\u5b9a\u7fa9\u5206\u5272\u7dda\u55ce\uff1f<\/h3>\n
    A3: \u9664\u4e86\u4f7f\u7528CAShapeLayer\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528UIView\u4f86\u6dfb\u52a0\u5206\u5272\u7dda\uff0c\u9019\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u9700\u6c42\u548c\u8a2d\u8a08\u98a8\u683c\u3002<\/p>\n
    “`
    \n—<\/p>\n","protected":false},"excerpt":{"rendered":"
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