{"id":3873,"date":"2025-06-02T11:13:18","date_gmt":"2025-06-05T03:42:17","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3873"},"modified":"2025-06-05T11:13:18","modified_gmt":"2025-06-05T03:42:17","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%e6%9e%9a%e8%88%89%ef%bc%9a%e5%ae%9a%e7%be%a9%e3%80%81%e5%8e%9f%e5%a7%8b%e5%80%bc%e3%80%81%e5%85%b3%e8%81%94%e5%80%bc","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%e6%9e%9a%e8%88%89%ef%bc%9a%e5%ae%9a%e7%be%a9%e3%80%81%e5%8e%9f%e5%a7%8b%e5%80%bc%e3%80%81%e5%85%b3%e8%81%94%e5%80%bc\/","title":{"rendered":"2025 \u6700\u65b0 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u6df1\u5165\u4e86\u89e3\u679a\u8209\u7684\u5b9a\u7fa9\u3001\u539f\u59cb\u503c\u8207\u5173\u8054\u503c"},"content":{"rendered":"

<\/p>\n

2025 \u6700\u65b0 Swift \u7a0b\u5f0f\u6559\u5b78\uff1a\u6df1\u5165\u4e86\u89e3\u679a\u8209\u7684\u5b9a\u7fa9\u3001\u539f\u59cb\u503c\u8207\u5173\u8054\u503c<\/h1>\n

Swift \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u96c5\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u679a\u8209\uff08Enum\uff09\u3002\u679a\u8209\u4e0d\u50c5\u80fd\u8b93\u7a0b\u5f0f\u78bc\u66f4\u5177\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u63d0\u5347\u5176\u7ba1\u7406\u8207\u63a7\u5236\u7684\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Swift \u4e2d\u7684\u679a\u8209\uff0c\u5305\u62ec\u5982\u4f55\u5b9a\u7fa9\u679a\u8209\u3001\u4f7f\u7528\u539f\u59cb\u503c\u53ca\u5173\u8054\u503c\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u548c\u932f\u8aa4\u6392\u9664\u5efa\u8b70\u3002<\/p>\n

\u5b9a\u7fa9\u679a\u8209<\/h2>\n

\u5728 Swift \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 enum<\/code> \u95dc\u9375\u5b57\u4f86\u5b9a\u7fa9\u679a\u8209\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5b9a\u7fa9\u4e00\u500b\u4ee3\u8868\u65b9\u5411\u7684\u679a\u8209\uff1a<\/p>\n

“`swift
\nenum Direction {
\n case north
\n case south
\n case east
\n case west
\n}
\n“`<\/p>\n

\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba Direction \u7684\u679a\u8209\uff0c\u5305\u542b\u4e86\u56db\u500b\u6210\u54e1\uff1anorth\u3001south\u3001east \u548c west\u3002\u9019\u6a23\u7684\u7d50\u69cb\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u7684\u610f\u5716\u66f4\u52a0\u660e\u78ba\u3002<\/p>\n

\u4f7f\u7528\u679a\u8209\u7684\u539f\u59cb\u503c<\/h2>\n

\u679a\u8209\u7684\u539f\u59cb\u503c\u53ef\u4ee5\u662f\u6574\u6578\u3001\u5b57\u4e32\u6216\u5b57\u5143\u7b49\u985e\u578b\u3002\u5728\u4ee5\u4e0b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07\u5b9a\u7fa9\u4e00\u500b\u5e36\u6709\u6574\u6578\u539f\u59cb\u503c\u7684 Direction \u679a\u8209\uff1a<\/p>\n

“`swift
\nenum Direction: Int {
\n case north = 0
\n case south = 1
\n case east = 2
\n case west = 3
\n}
\n“`<\/p>\n

\u6b64\u7bc4\u4f8b\u4e2d\uff0cnorth \u7684\u539f\u59cb\u503c\u70ba 0\uff0csouth \u70ba 1\uff0ceast \u70ba 2\uff0cwest \u70ba 3\u3002\u8981\u7372\u53d6\u679a\u8209\u7684\u539f\u59cb\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528 rawValue<\/code> \u5c6c\u6027\uff1a<\/p>\n

“`swift
\nlet direction = Direction.east
\nlet rawValue = direction.rawValue \/\/ 2
\n“`<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h3>\n

\u7576\u4f7f\u7528\u679a\u8209\u7684\u539f\u59cb\u503c\u6642\uff0c\u8acb\u6ce8\u610f\u539f\u59cb\u503c\u7684\u985e\u578b\u5fc5\u9808\u8207\u679a\u8209\u5b9a\u7fa9\u6642\u7684\u985e\u578b\u4e00\u81f4\u3002\u5982\u679c\u9047\u5230\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u539f\u59cb\u503c\u7684\u985e\u578b\u8207\u679a\u8209\u6210\u54e1\u7684\u5b9a\u7fa9\u3002<\/p>\n

\u4f7f\u7528\u679a\u8209\u7684\u5173\u8054\u503c<\/h2>\n

\u679a\u8209\u7684\u5173\u8054\u503c\u5141\u8a31\u6211\u5011\u70ba\u6bcf\u500b\u6848\u4f8b\u63d0\u4f9b\u984d\u5916\u7684\u8cc7\u8a0a\u3002\u4ee5\u4e0b\u7bc4\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5b9a\u7fa9\u5e36\u6709\u5b57\u4e32\u5173\u8054\u503c\u7684 Direction \u679a\u8209\uff1a<\/p>\n

“`swift
\nenum Direction {
\n case north(String)
\n case south(String)
\n case east(String)
\n case west(String)
\n}
\n“`<\/p>\n

\u5728\u9019\u88e1\uff0c\u6bcf\u500b\u65b9\u5411\u90fd\u6709\u4e00\u500b\u5b57\u4e32\u4f5c\u70ba\u5173\u8054\u503c\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 switch<\/code> \u8a9e\u53e5\u4f86\u7372\u53d6\u9019\u4e9b\u5173\u8054\u503c\uff1a<\/p>\n

“`swift
\nlet direction = Direction.east(“\u6771”)<\/p>\n

switch direction {
\ncase .north(let value):
\n print(value)
\ncase .south(let value):
\n print(value)
\ncase .east(let value):
\n print(value) \/\/ \u6771
\ncase .west(let value):
\n print(value)
\n}
\n“`<\/p>\n

\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5c07\u6253\u5370\u51fa “\u6771”\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h3>\n

\u4f60\u53ef\u4ee5\u5c07\u679a\u8209\u8207\u5176\u4ed6 Swift \u529f\u80fd\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982\u7d50\u69cb\uff08struct\uff09\u6216\u985e\u5225\uff08class\uff09\u3002\u9019\u6a23\u7684\u7d50\u5408\u80fd\u4f7f\u4f60\u7684\u7a0b\u5f0f\u78bc\u66f4\u5177\u64f4\u5c55\u6027\u8207\u9748\u6d3b\u6027\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 Swift \u4e2d\u4f7f\u7528\u679a\u8209\uff0c\u5305\u62ec\u679a\u8209\u7684\u5b9a\u7fa9\u3001\u539f\u59cb\u503c\u7684\u4f7f\u7528\u53ca\u5173\u8054\u503c\u7684\u61c9\u7528\u3002\u679a\u8209\u662f Swift \u8a9e\u8a00\u4e2d\u7684\u4e00\u500b\u5f37\u5927\u5de5\u5177\uff0c\u6709\u52a9\u65bc\u589e\u5f37\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7ba1\u7406\u6027\u3002\u96a8\u8457 Swift \u7684\u6301\u7e8c\u66f4\u65b0\uff0c\u4e86\u89e3\u9019\u4e9b\u6982\u5ff5\u5c07\u4f7f\u4f60\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u53d7\u76ca\u532a\u6dfa\u3002<\/p>\n

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

**Q1: \u70ba\u4ec0\u9ebc\u8981\u4f7f\u7528\u679a\u8209\u800c\u4e0d\u662f\u5176\u4ed6\u8cc7\u6599\u985e\u578b\uff1f**
\nA1: \u679a\u8209\u63d0\u4f9b\u4e86\u66f4\u5f37\u7684\u985e\u578b\u5b89\u5168\u6027\u548c\u53ef\u8b80\u6027\uff0c\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u7684\u610f\u5716\u66f4\u6e05\u6670\uff0c\u4e26\u80fd\u9632\u6b62\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n

**Q2: Swift \u4e2d\u7684\u679a\u8209\u662f\u5426\u53ef\u4ee5\u7e7c\u627f\uff1f**
\nA2: \u4e0d\u53ef\u4ee5\uff0cSwift \u7684\u679a\u8209\u662f\u503c\u985e\u578b\uff0c\u7121\u6cd5\u7e7c\u627f\uff0c\u4f46\u53ef\u4ee5\u9075\u5faa\u5354\u8b70\uff08protocol\uff09\u3002<\/p>\n

**Q3: \u5982\u4f55\u7372\u53d6\u679a\u8209\u7684\u6240\u6709\u6210\u54e1\uff1f**
\nA3: Swift \u7684\u679a\u8209\u672c\u8eab\u4e0d\u63d0\u4f9b\u7372\u53d6\u6240\u6709\u6210\u54e1\u7684\u529f\u80fd\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528 Array \u6216\u5176\u4ed6\u6578\u64da\u7d50\u69cb\u4f86\u624b\u52d5\u5217\u51fa\u6210\u54e1\u3002<\/p>\n

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

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u679a\u8209\u7684\u5b9a\u7fa9\u3001\u539f\u59cb\u503c\u3001\u5173\u8054\u503c\u7b49\uff0c\u8b93\u8b80\u8005\u80fd\u5920\u66f4\u52a0\u4e86\u89e3\u679a\u8209\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4e26\u61c9\u7528\u65bc\u5be6\u969b\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-3873","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\/pcFK27-10t","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3873","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=3873"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3873\/revisions"}],"predecessor-version":[{"id":3926,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3873\/revisions\/3926"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}