{"id":3856,"date":"2025-06-01T10:40:07","date_gmt":"2025-06-05T03:40:07","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3856"},"modified":"2025-06-05T10:40:07","modified_gmt":"2025-06-05T03:40:07","slug":"%e5%ad%b8%e7%bf%92swift%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5%ef%bc%9a%e5%b8%b8%e9%87%8f%e3%80%81%e8%ae%8a%e9%87%8f%e3%80%81%e9%81%8b%e7%ae%97%e7%ac%a6%e3%80%81%e6%8e%a7%e5%88%b6%e6%b5%81","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92swift%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5%ef%bc%9a%e5%b8%b8%e9%87%8f%e3%80%81%e8%ae%8a%e9%87%8f%e3%80%81%e9%81%8b%e7%ae%97%e7%ac%a6%e3%80%81%e6%8e%a7%e5%88%b6%e6%b5%81\/","title":{"rendered":"\u6df1\u5165\u5b78\u7fd2 Swift\uff1a2025 \u5e74\u6700\u65b0\u7684\u5e38\u91cf\u3001\u8b8a\u91cf\u3001\u904b\u7b97\u7b26\u3001\u63a7\u5236\u6d41\u8207\u51fd\u6578\u6559\u5b78"},"content":{"rendered":"

<\/p>\n

Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u5316\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc iOS \u548c macOS \u958b\u767c\u3002\u4e86\u89e3 Swift \u7684\u57fa\u672c\u6982\u5ff5\uff0c\u5982\u5e38\u91cf\u3001\u8b8a\u91cf\u3001\u904b\u7b97\u7b26\u3001\u63a7\u5236\u6d41\u548c\u51fd\u6578\uff0c\u5c0d\u65bc\u7a0b\u5f0f\u8a2d\u8a08\u65b0\u624b\u548c\u6709\u7d93\u9a57\u7684\u958b\u767c\u8005\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63d0\u4f9b 2025 \u5e74\u6700\u65b0\u7684\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u4e26\u9644\u4e0a\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u60a8\u6df1\u5165\u7406\u89e3\u9019\u4e9b\u6982\u5ff5\u3002<\/p>\n

\u5e38\u91cf<\/h2>\n

\u5e38\u91cf\u662f\u4e00\u7a2e\u4e0d\u53ef\u6539\u8b8a\u7684\u503c\uff0c\u53ef\u4ee5\u662f\u6578\u5b57\u3001\u5b57\u4e32\u3001\u5e03\u6797\u503c\u7b49\u3002\u5728 Swift \u4e2d\uff0c\u4f7f\u7528 `let` \u95dc\u9375\u5b57\u4f86\u8072\u660e\u5e38\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n

“`swift
\nlet pi = 3.14159
\n“`<\/p>\n

\u9019\u610f\u5473\u8457 `pi` \u7684\u503c\u5c07\u59cb\u7d42\u4fdd\u6301\u4e0d\u8b8a\u3002\u4f7f\u7528\u5e38\u91cf\u6709\u52a9\u65bc\u63d0\u9ad8\u7a0b\u5f0f\u7684\u53ef\u8b80\u6027\u548c\u5b89\u5168\u6027\uff0c\u56e0\u70ba\u5b83\u5011\u80fd\u5920\u9632\u6b62\u610f\u5916\u4fee\u6539\u3002<\/p>\n

\u8b8a\u91cf<\/h2>\n

\u8b8a\u91cf\u662f\u4e00\u7a2e\u53ef\u4ee5\u6539\u8b8a\u7684\u503c\u3002\u5728 Swift \u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `var` \u95dc\u9375\u5b57\u4f86\u8072\u660e\u8b8a\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n

“`swift
\nvar name = “John”
\nname = “Doe” \/\/ \u73fe\u5728 name \u7684\u503c\u70ba “Doe”
\n“`<\/p>\n

\u4f7f\u7528\u8b8a\u91cf\u6642\uff0c\u60a8\u53ef\u4ee5\u96a8\u6642\u66f4\u65b0\u5176\u503c\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u8b8a\u66f4\u6578\u64da\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002<\/p>\n

\u904b\u7b97\u7b26<\/h2>\n

\u904b\u7b97\u7b26\u7528\u65bc\u57f7\u884c\u8b8a\u91cf\u548c\u5e38\u91cf\u7684\u6578\u5b78\u904b\u7b97\u3002\u5728 Swift \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u904b\u7b97\u7b26\uff1a<\/p>\n

– \u52a0\u865f\uff08+\uff09
\n– \u6e1b\u865f\uff08-\uff09
\n– \u4e58\u865f\uff08*\uff09
\n– \u9664\u865f\uff08\/\uff09<\/p>\n

\u4f8b\u5982\uff1a<\/p>\n

“`swift
\nlet a = 10
\nlet b = 5
\nlet c = a + b \/\/ c \u7684\u503c\u70ba 15
\n“`<\/p>\n

\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528\u904b\u7b97\u7b26\u9032\u884c\u5176\u4ed6\u64cd\u4f5c\uff0c\u5982\u6bd4\u8f03\u548c\u908f\u8f2f\u904b\u7b97\uff0c\u9019\u6a23\u53ef\u4ee5\u9748\u6d3b\u5730\u8655\u7406\u4e0d\u540c\u7684\u6578\u64da\u3002<\/p>\n

\u63a7\u5236\u6d41<\/h2>\n

\u63a7\u5236\u6d41\u7528\u65bc\u6c7a\u5b9a\u7a0b\u5f0f\u57f7\u884c\u7684\u8def\u5f91\u3002Swift \u63d0\u4f9b\u4e86\u591a\u7a2e\u63a7\u5236\u6d41\u8a9e\u53e5\uff0c\u5982 `if`\u3001`for` \u548c `while`\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 `if` \u7684\u7bc4\u4f8b\uff1a<\/p>\n

“`swift
\nlet a = 10
\nlet b = 5<\/p>\n

if a > b {
\n print(“a \u5927\u65bc b”)
\n} else {
\n print(“a \u5c0f\u65bc b”)
\n}
\n“`<\/p>\n

\u63a7\u5236\u6d41\u8a9e\u53e5\u5728\u8655\u7406\u689d\u4ef6\u548c\u5faa\u74b0\u6642\u975e\u5e38\u91cd\u8981\uff0c\u5b83\u5011\u5e6b\u52a9\u60a8\u6c7a\u5b9a\u54ea\u4e9b\u7a0b\u5f0f\u78bc\u5340\u584a\u9700\u8981\u57f7\u884c\u3002<\/p>\n

\u51fd\u6578<\/h2>\n

\u51fd\u6578\u662f\u4e00\u7d44\u57f7\u884c\u7279\u5b9a\u4efb\u52d9\u7684\u7a0b\u5f0f\u78bc\uff0c\u53ef\u4ee5\u63a5\u53d7\u53c3\u6578\u4e26\u8fd4\u56de\u7d50\u679c\u3002\u5728 Swift \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u5b9a\u7fa9\u51fd\u6578\uff1a<\/p>\n

“`swift
\nfunc sayHello(name: String) {
\n print(“Hello, \\(name)!”)
\n}<\/p>\n

sayHello(name: “John”) \/\/ \u8f38\u51fa “Hello, John!”
\n“`<\/p>\n

\u900f\u904e\u51fd\u6578\uff0c\u60a8\u53ef\u4ee5\u5c01\u88dd\u91cd\u8907\u4f7f\u7528\u7684\u7a0b\u5f0f\u78bc\uff0c\u63d0\u9ad8\u7a0b\u5f0f\u7684\u53ef\u7dad\u8b77\u6027\u8207\u53ef\u8b80\u6027\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n

\u5728\u5b78\u7fd2 Swift \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **\u672a\u5b9a\u7fa9\u7684\u8b8a\u91cf**\uff1a\u78ba\u4fdd\u5728\u4f7f\u7528\u8b8a\u91cf\u4e4b\u524d\u5df2\u6b63\u78ba\u8072\u660e\u3002
\n– **\u985e\u578b\u4e0d\u5339\u914d**\uff1aSwift \u662f\u4e00\u7a2e\u975c\u614b\u985e\u578b\u8a9e\u8a00\uff0c\u8acb\u78ba\u4fdd\u8b8a\u91cf\u7684\u985e\u578b\u8207\u6240\u8ce6\u503c\u76f8\u7b26\u3002
\n– **\u8a9e\u6cd5\u932f\u8aa4**\uff1a\u4f7f\u7528 Xcode \u7684\u5373\u6642\u932f\u8aa4\u6aa2\u67e5\u529f\u80fd\uff0c\u5e6b\u52a9\u60a8\u5feb\u901f\u627e\u5230\u4e26\u4fee\u6b63\u932f\u8aa4\u3002<\/p>\n

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

\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u63a2\u7d22\u66f4\u9032\u968e\u7684 Swift \u6982\u5ff5\uff0c\u5982\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u3001\u9589\u5305\u548c\u932f\u8aa4\u8655\u7406\u3002\u9019\u4e9b\u77e5\u8b58\u5c07\u5e6b\u52a9\u60a8\u5728 iOS \u958b\u767c\u4e2d\u66f4\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n

\u7e3d\u7d50\u4f86\u8aaa\uff0c\u638c\u63e1 Swift \u7684\u57fa\u672c\u6982\u5ff5\u5c0d\u65bc\u5b78\u7fd2\u548c\u61c9\u7528\u9019\u9580\u8a9e\u8a00\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u6301\u7e8c\u66f4\u65b0\u60a8\u7684\u77e5\u8b58\u5c07\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n

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

**Q1: Swift \u548c\u5176\u4ed6\u7a0b\u5f0f\u8a9e\u8a00\u6709\u4f55\u4e0d\u540c\uff1f**
\nA1: Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u5316\u8a9e\u8a00\uff0c\u5177\u5099\u5b89\u5168\u6027\u548c\u6027\u80fd\u512a\u52e2\uff0c\u5c24\u5176\u9069\u5408 iOS \u548c macOS \u958b\u767c\uff0c\u8207 Objective-C \u76f8\u6bd4\uff0c\u5176\u8a9e\u6cd5\u66f4\u7c21\u6f54\u548c\u6613\u65bc\u7406\u89e3\u3002<\/p>\n

**Q2: \u6211\u61c9\u8a72\u4f7f\u7528\u5e38\u91cf\u9084\u662f\u8b8a\u91cf\uff1f**
\nA2: \u5982\u679c\u60a8\u78ba\u5b9a\u67d0\u500b\u503c\u5728\u7a0b\u5f0f\u4e2d\u4e0d\u6703\u6539\u8b8a\uff0c\u4f7f\u7528\u5e38\u91cf\u662f\u66f4\u597d\u7684\u9078\u64c7\uff1b\u5982\u679c\u9700\u8981\u5728\u7a0b\u5f0f\u4e2d\u591a\u6b21\u4fee\u6539\uff0c\u5247\u61c9\u4f7f\u7528\u8b8a\u91cf\u3002<\/p>\n

**Q3: \u5982\u4f55\u8655\u7406 Swift \u4e2d\u7684\u932f\u8aa4\uff1f**
\nA3: Swift \u63d0\u4f9b\u4e86\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `try`\u3001`catch` \u4f86\u6355\u7372\u548c\u8655\u7406\u932f\u8aa4\uff0c\u78ba\u4fdd\u7a0b\u5f0f\u80fd\u5920\u5b89\u5168\u5730\u904b\u884c\u3002<\/p>\n

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

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u5305\u62ec\u5e38\u91cf\u3001\u8b8a\u91cf\u3001\u904b\u7b97\u7b26\u3001\u63a7\u5236\u6d41\u548c\u51fd\u6578\uff0c\u4ee5\u53ca\u5b83\u5011\u5982\u4f55\u5354\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u64b0\u5beb\u7a0b\u5f0f\u78bc\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-3856","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\/pcFK27-10c","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3856","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=3856"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3856\/revisions"}],"predecessor-version":[{"id":3928,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3856\/revisions\/3928"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}