{"id":7702,"date":"2025-06-01T13:19:01","date_gmt":"2025-06-05T05:41:01","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7702"},"modified":"2025-06-05T13:19:01","modified_gmt":"2025-06-05T05:41:01","slug":"https-badgameshow-com-steven-494","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-494\/","title":{"rendered":"\u5728 SwiftUI \u4e2d\u4f7f\u7528 ScrollView \u7684\u5b8c\u6574\u6307\u5357\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6982\u8ff0<\/h2>\n

SwiftUI \u662f Apple \u5728 WWDC 2019 \u63a8\u51fa\u7684\u5275\u65b0\u6846\u67b6\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u6709\u6548\u5730\u958b\u767c\u51fa\u73fe\u4ee3\u5316\u7684 iOS \u61c9\u7528\u7a0b\u5f0f\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 SwiftUI \u4e2d\u4f7f\u7528 ScrollView<\/strong>\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u4fbf\u8b93\u60a8\u80fd\u5920\u8f15\u9b06\u5730\u88fd\u4f5c\u51fa\u53ef\u6ed1\u52d5\u7684\u4ecb\u9762\u3002<\/p>\n

\u4ec0\u9ebc\u662f ScrollView\uff1f<\/h2>\n

ScrollView \u662f SwiftUI \u4e2d\u7528\u65bc\u5be6\u73fe\u53ef\u6efe\u52d5\u8996\u5716\u7684\u7d44\u4ef6\u3002\u958b\u767c\u8005\u53ef\u4ee5\u900f\u904e\u5b83\u4f86\u986f\u793a\u8d85\u51fa\u87a2\u5e55\u7bc4\u570d\u7684\u5167\u5bb9\uff0c\u4e26\u5141\u8a31\u7528\u6236\u9032\u884c\u6ed1\u52d5\u64cd\u4f5c\u4f86\u67e5\u770b\u6240\u6709\u5167\u5bb9\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 ScrollView<\/h2>\n

\u5728 SwiftUI \u4e2d\u4f7f\u7528 ScrollView \u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u77e5\u9053\u5b83\u7684\u57fa\u672c\u8a9e\u6cd5\u3002ScrollView \u63a5\u53d7\u5169\u500b\u4e3b\u8981\u53c3\u6578\uff1aAxis<\/strong> \u548c content<\/strong>\u3002Axis \u6c7a\u5b9a\u4e86\u6efe\u52d5\u7684\u65b9\u5411\uff0c\u800c content \u5247\u5305\u542b\u4e86\u8981\u986f\u793a\u7684\u8996\u5716\u3002<\/p>\n

\u57fa\u672c\u7528\u6cd5<\/h3>\n

\u4ee5\u4e0b\u662f\u4f7f\u7528 ScrollView \u7684\u57fa\u672c\u7bc4\u4f8b\uff1a<\/p>\n

ScrollView(.vertical) {\n    \/\/ \u653e\u7f6e\u5167\u5bb9\n}\n<\/code><\/pre>\n
\u653e\u7f6e\u4e0d\u540c\u7684\u8996\u5716<\/h3>\n
ScrollView \u4e2d\u53ef\u4ee5\u5305\u542b\u5404\u7a2e\u8996\u5716\uff0c\u4f8b\u5982 Text\u3001Image \u548c Button\uff1a<\/p>\n
ScrollView(.vertical) {\n    Text(\"Hello World\")\n    Image(\"image\")\n    Button(action: {\n        \/\/ \u6309\u9215\u52d5\u4f5c\n    }) {\n        Text(\"\u9ede\u64ca\u6211\")\n    }\n}\n<\/code><\/pre>\n
\u4f7f\u7528 VStack \u548c HStack<\/h3>\n
\u60a8\u9084\u53ef\u4ee5\u5c07 ScrollView \u8207\u5176\u4ed6\u5bb9\u5668\u8996\u5716\uff08\u5982 VStack \u548c HStack\uff09\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u7d44\u7e54\u5167\u5bb9\uff1a<\/p>\n
ScrollView(.vertical) {\n    VStack {\n        Text(\"Hello World\")\n        Image(\"image\")\n        Button(action: {\n            \/\/ \u6309\u9215\u52d5\u4f5c\n        }) {\n            Text(\"\u9ede\u64ca\u6211\")\n        }\n    }\n}\n<\/code><\/pre>\n
\u932f\u8aa4\u6392\u9664<\/h2>\n
\u5728\u4f7f\u7528 ScrollView \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u554f\u984c\uff1a
\n1. **\u5167\u5bb9\u7121\u6cd5\u6efe\u52d5**\uff1a\u78ba\u4fdd ScrollView \u4e2d\u7684\u5167\u5bb9\u8d85\u51fa\u87a2\u5e55\u7bc4\u570d\uff0c\u5426\u5247\u5c07\u4e0d\u6703\u51fa\u73fe\u6efe\u52d5\u6548\u679c\u3002
\n2. **\u6efe\u52d5\u65b9\u5411\u4e0d\u6b63\u78ba**\uff1a\u6aa2\u67e5 Axis \u53c3\u6578\u662f\u5426\u8a2d\u7f6e\u6b63\u78ba\uff0c\u61c9\u70ba .vertical \u6216 .horizontal\u3002<\/p>\n
\u5ef6\u4f38\u61c9\u7528<\/h2>\n
ScrollView \u53ef\u4ee5\u8207\u5176\u4ed6 SwiftUI \u7d44\u4ef6\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u5be6\u73fe\u66f4\u70ba\u8c50\u5bcc\u7684\u7528\u6236\u4ecb\u9762\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728 ScrollView \u4e2d\u4f7f\u7528 LazyVStack\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u4e26\u6e1b\u5c11\u5167\u5b58\u5360\u7528\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 SwiftUI \u4e2d\u4f7f\u7528 ScrollView\uff0c\u4e26\u63d0\u4f9b\u4e86\u591a\u500b\u5be6\u4f5c\u7bc4\u4f8b\u3002ScrollView \u662f\u4e00\u500b\u975e\u5e38\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u4f7f\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u66f4\u52a0\u751f\u52d5\u548c\u4e92\u52d5\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
1. ScrollView \u652f\u63f4\u54ea\u4e9b\u5167\u5bb9\u985e\u578b\uff1f<\/h3>\n
ScrollView \u53ef\u4ee5\u653e\u7f6e\u4efb\u4f55 SwiftUI \u8996\u5716\uff0c\u5982 Text\u3001Image\u3001Button \u4ee5\u53ca\u5176\u4ed6\u5bb9\u5668\u8996\u5716\u3002<\/p>\n
2. \u5982\u4f55\u6539\u5584 ScrollView \u7684\u6027\u80fd\uff1f<\/h3>\n
\u53ef\u4ee5\u4f7f\u7528 LazyVStack \u6216 LazyHStack \u7d44\u5408 ScrollView\uff0c\u4ee5\u512a\u5316\u6e32\u67d3\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u986f\u793a\u5927\u91cf\u8cc7\u6599\u6642\u3002<\/p>\n
3. \u5982\u4f55\u8655\u7406 ScrollView \u7684\u6efe\u52d5\u884c\u70ba\uff1f<\/h3>\n
\u53ef\u4ee5\u4f7f\u7528 ScrollViewReader \u4f86\u63a7\u5236\u6efe\u52d5\u4f4d\u7f6e\uff0c\u4e26\u5be6\u73fe\u81ea\u52d5\u6efe\u52d5\u7684\u529f\u80fd\u3002<\/p>\n
\"\u5728
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