{"id":7036,"date":"2025-05-31T14:17:18","date_gmt":"2025-06-05T06:47:17","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7036"},"modified":"2025-06-05T14:17:18","modified_gmt":"2025-06-05T06:47:17","slug":"https-badgameshow-com-steven-194","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-194\/","title":{"rendered":"\u30102025 \u5e74\u6700\u65b0 Swift \u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5\uff1a\u5b8c\u6574\u6559\u5b78\u8207\u5be6\u4f5c\u793a\u4f8b\u3011"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, \u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5, Swift \u96e2\u7dda\u8cc7\u6599, UserDefaults, Core Data, SQLite, Realm\"><\/p>\n<h2>Swift \u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5<\/h2>\n<p>Swift \u662f\u4e00\u7a2e\u5feb\u901f\u4e14\u5b89\u5168\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u5ee3\u53d7\u958b\u767c\u8005\u559c\u611b\u3002\u7576\u958b\u767c\u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u7d93\u5e38\u9700\u8981\u5c07\u8cc7\u6599\u5132\u5b58\u5728\u96e2\u7dda\u8a2d\u5099\u4e0a\uff0cSwift \u63d0\u4f9b\u4e86\u591a\u7a2e\u9ad8\u6548\u7684\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u61c9\u5c0d\u8cc7\u6599\u7ba1\u7406\u7684\u9700\u6c42\u3002\u4ee5\u4e0b\u5c07\u4ecb\u7d39 2025 \u6700\u65b0\u7684\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u5f0f\uff0c\u5305\u62ec <strong>UserDefaults<\/strong>\u3001<strong>Core Data<\/strong>\u3001<strong>SQLite<\/strong> \u548c <strong>Realm<\/strong>\u3002<\/p>\n<h3>UserDefaults<\/h3>\n<p>UserDefaults \u662f Swift \u4e2d\u6700\u7c21\u55ae\u7684\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5\uff0c\u9069\u5408\u5132\u5b58\u5c11\u91cf\u7c21\u55ae\u8cc7\u6599\uff0c\u5982\u7528\u6236\u8a2d\u5b9a\u7b49\u3002\u5b83\u80fd\u8b93\u958b\u767c\u8005\u5c07\u8cc7\u6599\u5132\u5b58\u65bc\u8a2d\u5099\u7684\u6a94\u6848\u7cfb\u7d71\u4e2d\uff0c\u4e26\u4e14\u5728\u61c9\u7528\u7a0b\u5f0f\u91cd\u65b0\u555f\u52d5\u6642\u8f15\u9b06\u53d6\u51fa\u8cc7\u6599\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">\/\/ \u5132\u5b58\u8cc7\u6599\nUserDefaults.standard.set(\"Hello World\", forKey: \"greeting\")\n\n\/\/ \u53d6\u51fa\u8cc7\u6599\nlet greeting = UserDefaults.standard.string(forKey: \"greeting\") ?? \"Default Greeting\"\n<\/code><\/pre>\n<h3>Core Data<\/h3>\n<p>Core Data \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u8cc7\u6599\u7ba1\u7406\u6846\u67b6\uff0c\u9069\u5408\u5132\u5b58\u8907\u96dc\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u4e26\u63d0\u4f9b\u9ad8\u6548\u7684\u67e5\u8a62\u529f\u80fd\u3002\u5b83\u80fd\u8b93\u958b\u767c\u8005\u5c07\u8cc7\u6599\u5132\u5b58\u5728\u8a2d\u5099\u7684\u6a94\u6848\u7cfb\u7d71\uff0c\u4e26\u5728\u61c9\u7528\u7a0b\u5f0f\u91cd\u65b0\u555f\u52d5\u6642\u8f15\u9b06\u53d6\u51fa\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684 Core Data \u6a21\u578b\nlet model = NSManagedObjectModel()\n\n\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684 Core Data \u6301\u4e45\u5132\u5b58\u5340\nlet store = NSPersistentStoreCoordinator(managedObjectModel: model)\n\n\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684 Core Data \u8cc7\u6599\u5eab\nlet context = NSManagedObjectContext(persistentStoreCoordinator: store)\n\n\/\/ \u5132\u5b58\u8cc7\u6599\nlet entity = NSEntityDescription.insertNewObject(forEntityName: \"Entity\", into: context)\nentity.setValue(\"Hello World\", forKey: \"greeting\")\n\n\/\/ \u5132\u5b58\u4e0a\u4e0b\u6587\ndo {\n    try context.save()\n} catch {\n    print(\"Failed to save context: \\(error)\")\n}\n\n\/\/ \u53d6\u51fa\u8cc7\u6599\nlet fetchRequest = NSFetchRequest<NSFetchRequestResult>(entityName: \"Entity\")\ndo {\n    let results = try context.fetch(fetchRequest)\n    if let entity = results.first as? NSManagedObject {\n        let greeting = entity.value(forKey: \"greeting\") as? String ?? \"Default Greeting\"\n    }\n} catch {\n    print(\"Failed to fetch data: \\(error)\")\n}\n<\/code><\/pre>\n<h3>SQLite<\/h3>\n<p>SQLite \u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u958b\u6e90\u8cc7\u6599\u5eab\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u4f4e\u8cc7\u6e90\u6d88\u8017\u7684\u61c9\u7528\u7a0b\u5f0f\u3002\u5b83\u5141\u8a31\u958b\u767c\u8005\u5728\u8a2d\u5099\u7684\u6a94\u6848\u7cfb\u7d71\u4e2d\u5132\u5b58\u8cc7\u6599\uff0c\u4e26\u5728\u9700\u8981\u6642\u8f15\u9b06\u67e5\u8a62\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684 SQLite \u8cc7\u6599\u5eab\nlet db = try Connection(\"path\/to\/database.sqlite3\")\n\n\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684\u8cc7\u6599\u8868\nlet table = Table(\"greetings\")\ntry db.run(table.create { t in\n    t.column(\"id\", primaryKey: true)\n    t.column(\"greeting\", .text)\n})\n\n\/\/ \u5132\u5b58\u8cc7\u6599\ntry db.run(table.insert(or: .replace, \"greeting\" <- \"Hello World\"))\n\n\/\/ \u53d6\u51fa\u8cc7\u6599\nlet rows = try db.prepare(table.select(\"greeting\"))\nfor row in rows {\n    let greeting = row[0] as? String ?? \"Default Greeting\"\n}\n<\/code><\/pre>\n<h3>Realm<\/h3>\n<p>Realm \u662f\u4e00\u7a2e\u73fe\u4ee3\u5316\u7684\u8cc7\u6599\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u5c08\u70ba\u79fb\u52d5\u8a2d\u5099\u8a2d\u8a08\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684 API \u548c\u9ad8\u6548\u7684\u8cc7\u6599\u5b58\u53d6\u65b9\u5f0f\u3002\u4f7f\u7528 Realm\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u8a2d\u5099\u4e2d\u5132\u5b58\u548c\u67e5\u8a62\u8cc7\u6599\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684 Realm \u8cc7\u6599\u5eab\nlet realm = try! Realm()\n\n\/\/ \u5efa\u7acb\u4e00\u500b\u65b0\u7684\u8cc7\u6599\u8868\nclass Entity: Object {\n    @objc dynamic var greeting = \"\"\n}\n\n\/\/ \u5132\u5b58\u8cc7\u6599\nlet entity = Entity()\nentity.greeting = \"Hello World\"\ntry! realm.write {\n    realm.add(entity)\n}\n\n\/\/ \u53d6\u51fa\u8cc7\u6599\nlet results = realm.objects(Entity.self)\nfor entity in results {\n    let greeting = entity.greeting\n}\n<\/code><\/pre>\n<p>\u6839\u64da\u60a8\u7684\u9700\u6c42\uff0c\u9078\u64c7\u6700\u5408\u9069\u7684\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u6548\u80fd\u8207\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n<h2>\u7d50\u5c3e\u8207\u5e38\u898b\u554f\u984c\u89e3\u7b54<\/h2>\n<h3>Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h3>\n<h4>1. \u54ea\u7a2e\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5\u6700\u9069\u5408\u521d\u5b78\u8005\uff1f<\/h4>\n<p>UserDefaults \u662f\u6700\u7c21\u55ae\u7684\u9078\u64c7\uff0c\u975e\u5e38\u9069\u5408\u521d\u5b78\u8005\u7528\u4f86\u5132\u5b58\u7c21\u55ae\u7684\u8cc7\u6599\u3002<\/p>\n<h4>2. Core Data \u548c Realm \u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f<\/h4>\n<p>Core Data \u662f\u4e00\u500b\u8cc7\u6599\u7ba1\u7406\u6846\u67b6\uff0c\u63d0\u4f9b\u66f4\u8907\u96dc\u7684\u8cc7\u6599\u7d50\u69cb\u548c\u67e5\u8a62\u529f\u80fd\uff0c\u800c Realm \u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u8cc7\u6599\u5eab\uff0c\u9069\u5408\u5feb\u901f\u958b\u767c\u548c\u7c21\u5316\u7684\u8cc7\u6599\u64cd\u4f5c\u3002<\/p>\n<h4>3. \u5982\u4f55\u9078\u64c7\u9069\u5408\u7684\u8cc7\u6599\u5132\u5b58\u65b9\u5f0f\uff1f<\/h4>\n<p>\u9078\u64c7\u8cc7\u6599\u5132\u5b58\u65b9\u5f0f\u61c9\u6839\u64da\u61c9\u7528\u7a0b\u5f0f\u7684\u9700\u6c42\u3001\u8cc7\u6599\u7684\u8907\u96dc\u6027\u4ee5\u53ca\u6548\u80fd\u8003\u91cf\u3002\u5c0f\u578b\u61c9\u7528\u53ef\u9078\u64c7 UserDefaults\uff0c\u5c0d\u65bc\u8907\u96dc\u8cc7\u6599\u7d50\u69cb\u5247\u5efa\u8b70\u4f7f\u7528 Core Data \u6216 Realm\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5-\ud83d\udcbe_1675401080.072549.webp\" alt=\"Swift \u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5 \ud83d\udcbe\" title=\"Swift \u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u3001UserDefaults\u3001Core Data\u3001SQLite\" width=\"1200\" height=\"628\"\/><br \/>\n```<br \/>\n---<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u7684\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5\uff0c\u5305\u62ecUserDefaults\u3001CoreData\u548cSQLite\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u5132\u5b58\u548c\u7ba1\u7406\u8cc7\u6599\u3002<\/p>\n","protected":false},"author":1,"featured_media":7035,"comment_status":"open","ping_status":"closed","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-7036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u96e2\u7dda\u8cc7\u6599\u5132\u5b58\u65b9\u6cd5-\ud83d\udcbe_1675401080.072549.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1Pu","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7036","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=7036"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7036\/revisions"}],"predecessor-version":[{"id":13377,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7036\/revisions\/13377"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7035"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}