{"id":61791,"date":"2024-10-13T13:45:16","date_gmt":"2024-10-13T05:45:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61791\/"},"modified":"2024-10-13T13:45:16","modified_gmt":"2024-10-13T05:45:16","slug":"ios%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e9%a1%9e%e5%9e%8b%e7%b0%a1%e4%bb%8b-ios%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61791\/","title":{"rendered":"iOS\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b\u7c21\u4ecb (ios\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b)"},"content":{"rendered":"

iOS\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b\u7c21\u4ecb<\/h1>\n

\u5728iOS\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u81f3\u95dc\u91cd\u8981\u3002iOS\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b\uff0c\u6bcf\u7a2e\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\u548c\u512a\u7f3a\u9ede\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u4e3b\u8981\u7684iOS\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b\uff0c\u5305\u62ecNSUserDefaults\u3001SQLite\u3001Core Data\u548cRealm\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u9078\u64c7\u6700\u9069\u5408\u5176\u61c9\u7528\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

1. NSUserDefaults<\/h2>\n

NSUserDefaults\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u5b58\u5132\u65b9\u5f0f\uff0c\u4e3b\u8981\u7528\u65bc\u5b58\u5132\u7528\u6236\u7684\u504f\u597d\u8a2d\u7f6e\u548c\u5c0f\u578b\u6578\u64da\u3002\u5b83\u9069\u5408\u5b58\u5132\u7c21\u55ae\u7684\u9375\u503c\u5c0d\uff0c\u4f8b\u5982\u7528\u6236\u7684\u8a2d\u7f6e\u3001\u767b\u9304\u72c0\u614b\u7b49\u3002<\/p>\n

let defaults = UserDefaults.standard\ndefaults.set(\"John Doe\", forKey: \"username\")\nlet username = defaults.string(forKey: \"username\")<\/code><\/pre>\n
\u96d6\u7136NSUserDefaults\u4f7f\u7528\u65b9\u4fbf\uff0c\u4f46\u4e0d\u9069\u5408\u5b58\u5132\u5927\u91cf\u6578\u64da\u6216\u8907\u96dc\u7d50\u69cb\uff0c\u56e0\u70ba\u5b83\u7684\u6027\u80fd\u5728\u6578\u64da\u91cf\u589e\u5927\u6642\u6703\u4e0b\u964d\u3002<\/p>\n
2. SQLite<\/h2>\n
SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0ciOS\u5167\u5efa\u652f\u6301\u3002\u5b83\u9069\u5408\u9700\u8981\u5b58\u5132\u7d50\u69cb\u5316\u6578\u64da\u7684\u61c9\u7528\uff0c\u4e26\u4e14\u80fd\u5920\u8655\u7406\u5927\u91cf\u6578\u64da\u3002SQLite\u7684\u512a\u52e2\u5728\u65bc\u5176\u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u3002<\/p>\n
\u4f7f\u7528SQLite\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u7de8\u5bebSQL\u8a9e\u53e5\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u719f\u6089SQL\u7684\u958b\u767c\u8005\u4f86\u8aaa\u662f\u500b\u512a\u52e2\uff0c\u4f46\u5c0d\u65bc\u4e0d\u719f\u6089\u7684\u958b\u767c\u8005\u5247\u53ef\u80fd\u589e\u52a0\u5b78\u7fd2\u6210\u672c\u3002<\/p>\n
import SQLite3\n\nvar db: OpaquePointer?\nif sqlite3_open(\"myDatabase.sqlite\", &db) == SQLITE_OK {\n    \/\/ \u6578\u64da\u5eab\u6253\u958b\u6210\u529f\n}\nsqlite3_close(db)<\/code><\/pre>\n
3. Core Data<\/h2>\n
Core Data\u662fApple\u63d0\u4f9b\u7684\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u6846\u67b6\uff0c\u9069\u5408\u9700\u8981\u8907\u96dc\u6578\u64da\u6a21\u578b\u7684\u61c9\u7528\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u6578\u64da\u7684\u6301\u4e45\u5316\uff0c\u9084\u63d0\u4f9b\u4e86\u6578\u64da\u7684\u67e5\u8a62\u3001\u904e\u6ffe\u548c\u95dc\u806f\u7b49\u529f\u80fd\u3002<\/p>\n
Core Data\u7684\u512a\u52e2\u5728\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u7ba1\u7406\u548c\u5c0d\u8c61\u95dc\u806f\u8655\u7406\uff0c\u4f46\u5176\u5b78\u7fd2\u66f2\u7dda\u76f8\u5c0d\u8f03\u9661\uff0c\u958b\u767c\u8005\u9700\u8981\u7406\u89e3\u5176\u80cc\u5f8c\u7684\u6982\u5ff5\uff0c\u5982\u4e0a\u4e0b\u6587\u3001\u5be6\u9ad4\u548c\u5c6c\u6027\u3002<\/p>\n
let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext\nlet newUser = User(context: context)\nnewUser.username = \"John Doe\"\ntry? context.save()<\/code><\/pre>\n
4. Realm<\/h2>\n
Realm\u662f\u4e00\u500b\u7b2c\u4e09\u65b9\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u6613\u7528\u7684API\u548c\u9ad8\u6548\u7684\u6027\u80fd\u3002\u5b83\u652f\u6301\u5c0d\u8c61\u5c0e\u5411\u7684\u6578\u64da\u6a21\u578b\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u5b89\u5168\u5730\u4f7f\u7528\u3002<\/p>\n
Realm\u7684\u512a\u52e2\u5728\u65bc\u5176\u7c21\u55ae\u7684\u4f7f\u7528\u65b9\u5f0f\u548c\u9ad8\u6548\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u983b\u7e41\u8b80\u5beb\u6578\u64da\u7684\u61c9\u7528\u4e2d\u8868\u73fe\u51fa\u8272\u3002<\/p>\n
import RealmSwift\n\nclass User: Object {\n    @objc dynamic var username: String = \"\"\n}\n\nlet realm = try! Realm()\nlet newUser = User()\nnewUser.username = \"John Doe\"\ntry! realm.write {\n    realm.add(newUser)\n}<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u9078\u64c7iOS\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u61c9\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u3001\u6578\u64da\u7684\u8907\u96dc\u6027\u548c\u6027\u80fd\u8981\u6c42\u4f86\u505a\u51fa\u9078\u64c7\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u8f15\u91cf\u7d1a\u7684NSUserDefaults\uff0c\u9084\u662f\u529f\u80fd\u5f37\u5927\u7684Core Data\uff0c\u6216\u662f\u9ad8\u6548\u7684Realm\uff0c\u4e86\u89e3\u6bcf\u7a2e\u5b58\u5132\u65b9\u5f0f\u7684\u7279\u9ede\u5c07\u6709\u52a9\u65bc\u958b\u767c\u51fa\u66f4\u512a\u8cea\u7684\u61c9\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684iOS\u61c9\u7528\u958b\u767c\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u958b\u767c\u8005\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3iOS\u6578\u64da\u5eab\u5b58\u5132\u985e\u578b\uff0c\u5305\u62ecSQLite\u3001Core Data\u548cRealm\uff0c\u5e6b\u52a9\u60a8\u9078\u64c7\u6700\u9069\u5408\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61791","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61791"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61791\/revisions"}],"predecessor-version":[{"id":61792,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61791\/revisions\/61792"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}