{"id":3860,"date":"2025-06-03T11:28:47","date_gmt":"2025-06-05T03:40:47","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3860"},"modified":"2025-06-05T11:28:47","modified_gmt":"2025-06-05T03:40:47","slug":"%e5%ad%b8%e7%bf%92swift%e7%9a%84%e9%a1%9e%e5%9e%8b%e7%b3%bb%e7%b5%b1%ef%bc%9a%e6%95%b8%e5%ad%97%e3%80%81%e5%ad%97%e7%ac%a6%e4%b8%b2%e3%80%81%e6%95%b8%e7%b5%84%e3%80%81%e5%ad%97%e5%85%b8%e3%80%81","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92swift%e7%9a%84%e9%a1%9e%e5%9e%8b%e7%b3%bb%e7%b5%b1%ef%bc%9a%e6%95%b8%e5%ad%97%e3%80%81%e5%ad%97%e7%ac%a6%e4%b8%b2%e3%80%81%e6%95%b8%e7%b5%84%e3%80%81%e5%ad%97%e5%85%b8%e3%80%81\/","title":{"rendered":"\u5168\u9762\u638c\u63e1 Swift \u985e\u578b\u7cfb\u7d71\uff1a\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u6578\u7d44\u3001\u5b57\u5178\u3001\u7d50\u69cb\u9ad4\u8207\u985e\u578b\u5225\u540d\u7684\u6700\u65b0\u6559\u5b78"},"content":{"rendered":"

<\/p>\n

Swift \u662f\u4e00\u7a2e\u73fe\u4ee3\u5316\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5176\u985e\u578b\u7cfb\u7d71\u5f37\u5927\u4e14\u9748\u6d3b\uff0c\u80fd\u8b93\u958b\u767c\u8005\u66f4\u6709\u6548\u7387\u5730\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c07\u6df1\u5165\u4ecb\u7d39 Swift \u7684\u985e\u578b\u7cfb\u7d71\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u6578\u7d44\u3001\u5b57\u5178\u3001\u7d50\u69cb\u9ad4\u548c\u985e\u578b\u5225\u540d\uff0c\u4e26\u63d0\u4f9b2025\u5e74\u6700\u65b0\u7684\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n

\u6578\u5b57<\/h2>\n

\u5728 Swift \u4e2d\uff0c\u6578\u5b57\u985e\u578b\u88ab\u5206\u70ba\u6574\u6578\u548c\u6d6e\u9ede\u6578\u3002\u6574\u6578\u53ef\u9032\u4e00\u6b65\u5206\u70ba\u6709\u7b26\u865f\u6574\u6578\u548c\u7121\u7b26\u865f\u6574\u6578\uff1a<\/p>\n

– **\u6709\u7b26\u865f\u6574\u6578**\uff1a\u53ef\u4ee5\u8868\u793a\u6b63\u6578\u548c\u8ca0\u6578\uff0c\u4f8b\u5982 `Int` \u548c `Int8`\u3002
\n– **\u7121\u7b26\u865f\u6574\u6578**\uff1a\u53ea\u80fd\u8868\u793a\u6b63\u6578\uff0c\u4f8b\u5982 `UInt` \u548c `UInt8`\u3002<\/p>\n

\u6d6e\u9ede\u6578\u5247\u7528\u65bc\u8868\u793a\u5c0f\u6578\uff0c\u4f8b\u5982 `Float` \u548c `Double`\uff0c\u5176\u4e2d `Double` \u63d0\u4f9b\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3002<\/p>\n

**\u5be6\u4f5c\u7bc4\u4f8b\uff1a**
\n“`swift
\nlet integerValue: Int = -42
\nlet unsignedValue: UInt = 42
\nlet doubleValue: Double = 3.14159
\n“`<\/p>\n

\u5b57\u7b26\u4e32<\/h2>\n

\u5b57\u7b26\u4e32\uff08String\uff09\u5728 Swift \u4e2d\u662f\u7531\u4e00\u7cfb\u5217 Unicode \u5b57\u7b26\u7d44\u6210\uff0c\u80fd\u5920\u8868\u793a\u5404\u7a2e\u6587\u672c\u6578\u64da\u3002Swift \u63d0\u4f9b\u5f37\u5927\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u529f\u80fd\uff0c\u5305\u62ec\u62fc\u63a5\u3001\u63d2\u5165\u548c\u66ff\u63db\u3002<\/p>\n

**\u5be6\u4f5c\u7bc4\u4f8b\uff1a**
\n“`swift
\nlet greeting: String = “Hello, World!”
\nlet name: String = “Alice”
\nlet personalizedGreeting = “\\(greeting) My name is \\(name).”
\n“`<\/p>\n

\u6578\u7d44<\/h2>\n

\u6578\u7d44\uff08Array\uff09\u662f\u4e00\u7a2e\u6709\u5e8f\u7684\u96c6\u5408\uff0c\u80fd\u5920\u5b58\u5132\u4efb\u610f\u985e\u578b\u7684\u6578\u64da\u3002Swift \u7684\u6578\u7d44\u53ef\u4ee5\u52d5\u614b\u589e\u9577\uff0c\u4e14\u900f\u904e\u7d22\u5f15\u8f15\u9b06\u8a2a\u554f\u5143\u7d20\u3002<\/p>\n

**\u5be6\u4f5c\u7bc4\u4f8b\uff1a**
\n“`swift
\nvar numbers: [Int] = [1, 2, 3, 4, 5]\nnumbers.append(6) \/\/ \u589e\u52a0\u5143\u7d20
\nlet firstNumber = numbers[0] \/\/ \u8a2a\u554f\u7b2c\u4e00\u500b\u5143\u7d20
\n“`<\/p>\n

\u5b57\u5178<\/h2>\n

\u5b57\u5178\uff08Dictionary\uff09\u662f\u4e00\u7a2e\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u80fd\u5920\u5132\u5b58\u4efb\u610f\u985e\u578b\u7684\u6578\u64da\u3002Swift \u7684\u5b57\u5178\u5177\u6709\u5feb\u901f\u67e5\u627e\u7684\u7279\u9ede\u3002<\/p>\n

**\u5be6\u4f5c\u7bc4\u4f8b\uff1a**
\n“`swift
\nvar person: [String: String] = [“name”: “Alice”, “age”: “30”]\nperson[“age”] = “31” \/\/ \u66f4\u65b0\u503c
\nlet name = person[“name”] \/\/ \u8a2a\u554f\u503c
\n“`<\/p>\n

\u7d50\u69cb\u9ad4<\/h2>\n

\u7d50\u69cb\u9ad4\uff08Struct\uff09\u662f\u81ea\u5b9a\u7fa9\u6578\u64da\u985e\u578b\uff0c\u80fd\u5920\u5305\u542b\u591a\u500b\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u9069\u5408\u5c01\u88dd\u76f8\u95dc\u6578\u64da\u548c\u529f\u80fd\u3002<\/p>\n

**\u5be6\u4f5c\u7bc4\u4f8b\uff1a**
\n“`swift
\nstruct Person {
\n var name: String
\n var age: Int
\n}<\/p>\n

let person = Person(name: “Alice”, age: 30)
\n“`<\/p>\n

\u985e\u578b\u5225\u540d<\/h2>\n

\u985e\u578b\u5225\u540d\uff08Type Alias\uff09\u5141\u8a31\u958b\u767c\u8005\u70ba\u73fe\u6709\u985e\u578b\u5275\u5efa\u65b0\u7684\u540d\u7a31\uff0c\u7c21\u5316\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u3002<\/p>\n

**\u5be6\u4f5c\u7bc4\u4f8b\uff1a**
\n“`swift
\ntypealias StringArray = [String]\nlet fruits: StringArray = [“Apple”, “Banana”, “Cherry”]\n“`<\/p>\n

\u900f\u904e\u5b78\u7fd2 Swift \u7684\u985e\u578b\u7cfb\u7d71\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u638c\u63e1\u5176\u57fa\u790e\u77e5\u8b58\uff0c\u4e26\u66f4\u6709\u6548\u5730\u5229\u7528\u9019\u4e9b\u985e\u578b\u4f86\u958b\u767c\u9ad8\u6548\u7387\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u9019\u4e9b\u985e\u578b\u5982\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u6578\u7d44\u3001\u5b57\u5178\u3001\u7d50\u69cb\u9ad4\u548c\u985e\u578b\u5225\u540d\uff0c\u90fd\u662f Swift \u958b\u767c\u4e2d\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n

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

**Q1: Swift \u4e2d\u7684\u6578\u5b57\u985e\u578b\u6709\u54ea\u4e9b\uff1f**
\nA1: Swift \u4e2d\u7684\u6578\u5b57\u985e\u578b\u4e3b\u8981\u5206\u70ba\u6574\u6578\u548c\u6d6e\u9ede\u6578\uff0c\u6574\u6578\u53c8\u5206\u70ba\u6709\u7b26\u865f\u548c\u7121\u7b26\u865f\u3002<\/p>\n

**Q2: \u5982\u4f55\u5728 Swift \u4e2d\u5275\u5efa\u4e00\u500b\u5b57\u5178\uff1f**
\nA2: \u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u865f\u5275\u5efa\u5b57\u5178\uff0c\u4f8b\u5982 `var dictionary: [String: Int] = [“key”: 1]`\u3002<\/p>\n

**Q3: \u7d50\u69cb\u9ad4\u548c\u985e\u5225\u6709\u4ec0\u9ebc\u5340\u5225\uff1f**
\nA3: \u7d50\u69cb\u9ad4\u662f\u503c\u985e\u578b\uff0c\u800c\u985e\u5225\u662f\u53c3\u8003\u985e\u578b\uff0c\u9019\u610f\u5473\u8457\u7d50\u69cb\u9ad4\u5728\u50b3\u905e\u6642\u6703\u88ab\u8907\u88fd\uff0c\u800c\u985e\u5225\u5247\u662f\u5171\u4eab\u5be6\u4f8b\u3002<\/p>\n

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

\u6587\u7ae0\u6458\u8981\uff1aSwift\u662f\u4e00\u7a2e\u65b0\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u985e\u578b\u7cfb\u7d71\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u6578\u7d44\u3001\u5b57\u5178\u3001\u7d50\u69cb\u9ad4\u548c\u985e\u578b\u5225\u540d\u7b49\u3002\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u7684\u985e\u578b\u7cfb\u7d71\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4f86\u8aaa\u660e\u5982\u4f55\u4f7f\u7528\u5b83\u5011\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-3860","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\/pcFK27-10g","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3860","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=3860"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3860\/revisions"}],"predecessor-version":[{"id":3861,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3860\/revisions\/3861"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}