{"id":3885,"date":"2025-06-03T11:34:41","date_gmt":"2025-06-05T03:43:41","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3885"},"modified":"2025-06-05T11:34:41","modified_gmt":"2025-06-05T03:43:41","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e5%8d%94%e5%ae%9a%ef%bc%9a%e5%ae%9a%e7%be%a9%e3%80%81%e5%af%a6%e7%8f%be%e8%88%87%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e5%8d%94%e5%ae%9a%ef%bc%9a%e5%ae%9a%e7%be%a9%e3%80%81%e5%af%a6%e7%8f%be%e8%88%87%e4%bd%bf%e7%94%a8\/","title":{"rendered":"\u6df1\u5165\u63a2\u7d22Swift\u5354\u5b9a\u7684\u5b9a\u7fa9\u3001\u5be6\u73fe\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\u6559\u5b78\uff09"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u63a2\u7d22Swift\u5354\u5b9a\u7684\u5b9a\u7fa9\u3001\u5be6\u73fe\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\u6559\u5b78\uff09<\/h1>\n

Swift\u662f\u4e00\u7a2e\u5f37\u5927\u4e14\u73fe\u4ee3\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5354\u5b9a\uff08Protocols\uff09\u662f\u5176\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\u3002\u5354\u5b9a\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u800c\u5f37\u5927\u7684\u65b9\u5f0f\u4f86\u5b9a\u7fa9\u4e00\u7d44\u884c\u70ba\uff0c\u4e26\u4e14\u53ef\u4ee5\u88ab\u4efb\u4f55\u985e\u5225\u6216\u7d50\u69cb\u9ad4\u5be6\u73fe\u3002\u900f\u904e\u5354\u5b9a\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u73fe\u66f4\u597d\u7684\u4ee3\u78bc\u91cd\u7528\u6027\u8207\u53ef\u64f4\u5c55\u6027\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u5168\u9762\u5b78\u7fd2Swift\u4e2d\u7684\u5354\u5b9a\uff0c\u5305\u62ec\u5982\u4f55\u5b9a\u7fa9\u3001\u5be6\u73fe\u53ca\u4f7f\u7528\u5354\u5b9a\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u8207\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n

\u5b9a\u7fa9\u5354\u5b9a<\/h2>\n

\u5728Swift\u4e2d\uff0c\u5354\u5b9a\u662f\u7528\u4f86\u5b9a\u7fa9\u884c\u70ba\u7684\u62bd\u8c61\u6982\u5ff5\u3002\u5354\u5b9a\u53ef\u4ee5\u5b9a\u7fa9\u5c6c\u6027\u3001\u65b9\u6cd5\u3001\u521d\u59cb\u5316\u65b9\u6cd5\u3001\u4e0b\u6a19\u7b49\uff0c\u4e26\u4e14\u53ef\u4ee5\u88ab\u4efb\u4f55\u985e\u5225\u6216\u7d50\u69cb\u9ad4\u5be6\u73fe\u3002\u5b9a\u7fa9\u5354\u5b9a\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

“`swift
\nprotocol ProtocolName {
\n var propertyName: Type { get set } \/\/ \u5b9a\u7fa9\u5c6c\u6027
\n func methodName() \/\/ \u5b9a\u7fa9\u65b9\u6cd5
\n init(parameter: Type) \/\/ \u5b9a\u7fa9\u521d\u59cb\u5316\u65b9\u6cd5
\n subscript(index: Int) -> Type { get } \/\/ \u5b9a\u7fa9\u4e0b\u6a19
\n}
\n“`<\/p>\n

\u5be6\u73fe\u5354\u5b9a<\/h2>\n

\u4e00\u65e6\u5b9a\u7fa9\u4e86\u5354\u5b9a\uff0c\u5c31\u53ef\u4ee5\u5c07\u5b83\u5be6\u73fe\u5230\u4efb\u4f55\u985e\u5225\u6216\u7d50\u69cb\u9ad4\u4e2d\u3002\u5be6\u73fe\u5354\u5b9a\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

“`swift
\nclass ClassName: ProtocolName {
\n var propertyName: Type \/\/ \u5be6\u73fe\u5354\u5b9a\u7684\u5c6c\u6027<\/p>\n

required init(parameter: Type) { \/\/ \u5be6\u73fe\u5354\u5b9a\u7684\u521d\u59cb\u5316\u65b9\u6cd5
\n \/\/ \u521d\u59cb\u5316\u908f\u8f2f
\n }<\/p>\n

func methodName() { \/\/ \u5be6\u73fe\u5354\u5b9a\u7684\u65b9\u6cd5
\n \/\/ \u65b9\u6cd5\u908f\u8f2f
\n }<\/p>\n

subscript(index: Int) -> Type { \/\/ \u5be6\u73fe\u5354\u5b9a\u7684\u4e0b\u6a19
\n \/\/ \u4e0b\u6a19\u908f\u8f2f
\n }
\n}
\n“`<\/p>\n

\u4f7f\u7528\u5354\u5b9a<\/h2>\n

\u4e00\u65e6\u5354\u5b9a\u88ab\u5be6\u73fe\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u5275\u5efa\u5c0d\u8c61\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u8abf\u7528\u5354\u5b9a\u4e2d\u5b9a\u7fa9\u7684\u5c6c\u6027\u3001\u65b9\u6cd5\u548c\u4e0b\u6a19\u3002\u4f7f\u7528\u5354\u5b9a\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

“`swift
\nlet objectName = ClassName(parameter: value)
\nobjectName.propertyName \/\/ \u8abf\u7528\u5354\u5b9a\u4e2d\u5b9a\u7fa9\u7684\u5c6c\u6027
\nobjectName.methodName() \/\/ \u8abf\u7528\u5354\u5b9a\u4e2d\u5b9a\u7fa9\u7684\u65b9\u6cd5
\nlet value = objectName[index] \/\/ \u8abf\u7528\u5354\u5b9a\u4e2d\u5b9a\u7fa9\u7684\u4e0b\u6a19
\n“`<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u5be6\u73fe\u5354\u5b9a\u6642\uff0c\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\u672a\u5be6\u73fe\u6240\u6709\u5354\u5b9a\u8981\u6c42\u7684\u5c6c\u6027\u6216\u65b9\u6cd5\u3002\u78ba\u4fdd\u6240\u6709\u7684\u5fc5\u8981\u9805\u76ee\u90fd\u5df2\u88ab\u6b63\u78ba\u5be6\u73fe\uff0c\u4e26\u4e14\u9075\u5faa\u5354\u5b9a\u7684\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u82e5\u5354\u5b9a\u8981\u6c42\u4e00\u500b\u5c6c\u6027\u662f\u53ef\u8b8a\u7684\uff0c\u5247\u5728\u985e\u5225\u6216\u7d50\u69cb\u9ad4\u4e2d\u4e5f\u5fc5\u9808\u76f8\u61c9\u5730\u5b9a\u7fa9\u70ba\u53ef\u8b8a\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u5354\u5b9a\u5728Swift\u4e2d\u6709\u8a31\u591a\u61c9\u7528\u5834\u666f\uff0c\u4f8b\u5982\uff1a
\n– **\u59d4\u6d3e\u6a21\u5f0f**\uff1a\u5229\u7528\u5354\u5b9a\u4f86\u5be6\u73fe\u59d4\u6d3e\u6a21\u5f0f\uff0c\u8b93\u5c0d\u8c61\u4e4b\u9593\u80fd\u5920\u9032\u884c\u901a\u4fe1\u3002
\n– **\u6578\u64da\u9a45\u52d5UI**\uff1a\u901a\u904e\u5354\u5b9a\u4f86\u5b9a\u7fa9\u6578\u64da\u6e90\u548c\u4ee3\u7406\u63a5\u53e3\uff0c\u5be6\u73fe\u9748\u6d3b\u7684UI\u7d44\u4ef6\u3002<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u6df1\u5165\u63a2\u8a0e\u4e86Swift\u4e2d\u7684\u5354\u5b9a\uff0c\u5305\u62ec\u5982\u4f55\u5b9a\u7fa9\u3001\u5be6\u73fe\u8207\u4f7f\u7528\u5b83\u5011\u3002\u5354\u5b9a\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u5beb\u51fa\u53ef\u64f4\u5c55\u3001\u53ef\u91cd\u7528\u7684\u4ee3\u78bc\u3002\u900f\u904e\u4e0a\u8ff0\u7684\u7bc4\u4f8b\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u6709\u6548\u5730\u4f7f\u7528\u5354\u5b9a\u4f86\u63d0\u5347\u60a8\u7684Swift\u7a0b\u5f0f\u8a2d\u8a08\u6280\u80fd\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q1: \u5354\u5b9a\u8207\u985e\u5225\u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f**
\nA1: \u5354\u5b9a\u662f\u7528\u4f86\u5b9a\u7fa9\u884c\u70ba\u7684\u62bd\u8c61\uff0c\u800c\u985e\u5225\u662f\u7528\u4f86\u5275\u5efa\u5177\u9ad4\u5c0d\u8c61\u7684\u6a21\u677f\u3002\u5354\u5b9a\u53ef\u4ee5\u88ab\u591a\u500b\u985e\u5225\u6216\u7d50\u69cb\u9ad4\u5be6\u73fe\uff0c\u800c\u985e\u5225\u5247\u4e0d\u80fd\u88ab\u591a\u91cd\u7e7c\u627f\u3002<\/p>\n

**Q2: \u5728Swift\u4e2d\uff0c\u5982\u4f55\u8b93\u5354\u5b9a\u652f\u6301\u9ed8\u8a8d\u5be6\u73fe\uff1f**
\nA2: \u5728\u5354\u5b9a\u4e2d\u53ef\u4ee5\u5b9a\u7fa9\u5e36\u6709\u9ed8\u8a8d\u5be6\u73fe\u7684\u64f4\u5c55\uff0c\u9019\u6a23\u5be6\u73fe\u5354\u5b9a\u7684\u985e\u5225\u53ef\u4ee5\u9078\u64c7\u4f7f\u7528\u9ed8\u8a8d\u5be6\u73fe\u6216\u81ea\u5b9a\u7fa9\u5be6\u73fe\u3002<\/p>\n

**Q3: \u5354\u5b9a\u53ef\u4ee5\u7e7c\u627f\u5176\u4ed6\u5354\u5b9a\u55ce\uff1f**
\nA3: \u662f\u7684\uff0c\u5354\u5b9a\u53ef\u4ee5\u7e7c\u627f\u5176\u4ed6\u5354\u5b9a\uff0c\u9019\u6a23\u53ef\u4ee5\u7d44\u5408\u591a\u500b\u5354\u5b9a\u7684\u8981\u6c42\u4f86\u5275\u5efa\u66f4\u8907\u96dc\u7684\u5354\u5b9a\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684\u5354\u5b9a\uff0c\u5305\u62ec\u5b9a\u7fa9\u5354\u5b9a\u3001\u5be6\u73fe\u5354\u5b9a\u3001\u4f7f\u7528\u5354\u5b9a\u7b49\uff0c\u8b93\u8b80\u8005\u80fd\u5920\u66f4\u52a0\u4e86\u89e3Swift\u4e2d\u7684\u5354\u5b9a\uff0c\u4e26\u61c9\u7528\u65bc\u65e5\u5e38\u958b\u767c\u4e2d\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","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-3885","post","type-post","status-publish","format-standard","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-10F","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3885","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=3885"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3885\/revisions"}],"predecessor-version":[{"id":3886,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3885\/revisions\/3886"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}