{"id":166547,"date":"2024-11-05T17:07:35","date_gmt":"2024-11-05T09:07:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166547\/"},"modified":"2024-11-05T17:07:36","modified_gmt":"2024-11-05T09:07:36","slug":"%e5%bf%ab%e9%80%9f%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%8a%a0%e8%bc%89%ef%bc%81ios%e6%87%89%e7%94%a8%e5%88%a9%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e7%9b%b4%e6%8e%a5%e4%b8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166547\/","title":{"rendered":"\u5feb\u901f\u5be6\u73fe\u6578\u64da\u52a0\u8f09\uff01iOS\u61c9\u7528\u5229\u7528\u6578\u64da\u5eab\u6587\u4ef6\u76f4\u63a5\u4e0b\u8f09 (ios app\u76f4\u63a5\u4f7f\u7528\u6578\u64da\u5eab\u6587\u4ef6\u4e0b\u8f09)"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%8a%a0%e8%bc%89%ef%bc%81ios%e6%87%89%e7%94%a8%e5%88%a9%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e7%9b%b4%e6%8e%a5%e4%b8%8b-pZaORalAHm\">\u5feb\u901f\u5be6\u73fe\u6578\u64da\u52a0\u8f09\uff01iOS\u61c9\u7528\u5229\u7528\u6578\u64da\u5eab\u6587\u4ef6\u76f4\u63a5\u4e0b\u8f09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u79fb\u52d5\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u7684\u52a0\u8f09\u901f\u5ea6\u5c0d\u65bc\u7528\u6236\u9ad4\u9a57\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5728iOS\u61c9\u7528\u4e2d\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u52a0\u8f09\u548c\u7ba1\u7406\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u76f4\u63a5\u4e0b\u8f09\u6578\u64da\u5eab\u6587\u4ef6\u4f86\u5feb\u901f\u5be6\u73fe\u6578\u64da\u52a0\u8f09\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%ef%bc%9f-pZaORalAHm\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u6578\u64da\u5eab\u6587\u4ef6\uff1f<\/h2>\n<p>\u4f7f\u7528\u6578\u64da\u5eab\u6587\u4ef6\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u80fd\u529b\u3002SQLite\u662fiOS\u5e73\u53f0\u4e0a\u6700\u5e38\u7528\u7684\u8f15\u91cf\u7d1a\u6578\u64da\u5eab\uff0c\u9069\u5408\u7528\u65bc\u672c\u5730\u6578\u64da\u5b58\u5132\u3002\u901a\u904e\u5c07\u6578\u64da\u5eab\u6587\u4ef6\u76f4\u63a5\u4e0b\u8f09\u5230\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u52a0\u8f09\u7684\u6642\u9593\uff0c\u4e26\u63d0\u9ad8\u61c9\u7528\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e7%9a%84%e4%b8%8b%e8%bc%89-pZaORalAHm\">\u5982\u4f55\u5be6\u73fe\u6578\u64da\u5eab\u6587\u4ef6\u7684\u4e0b\u8f09<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5be6\u73feiOS\u61c9\u7528\u76f4\u63a5\u4e0b\u8f09\u6578\u64da\u5eab\u6587\u4ef6\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%ba%96%e5%82%99%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6-pZaORalAHm\">1. \u6e96\u5099\u6578\u64da\u5eab\u6587\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6e96\u5099\u4e00\u500bSQLite\u6578\u64da\u5eab\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528SQLite\u5de5\u5177\u5275\u5efa\u6578\u64da\u5eab\uff0c\u4e26\u5c07\u6240\u9700\u7684\u6578\u64da\u5c0e\u5165\u5230\u6578\u64da\u5eab\u4e2d\u3002\u5b8c\u6210\u5f8c\uff0c\u5c07\u6578\u64da\u5eab\u6587\u4ef6\u4e0a\u50b3\u5230\u60a8\u7684\u4f3a\u670d\u5668\u6216\u96f2\u5b58\u5132\u670d\u52d9\u4e2d\uff0c\u4ee5\u4fbf\u61c9\u7528\u53ef\u4ee5\u8a2a\u554f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8urlsession%e4%b8%8b%e8%bc%89%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6-pZaORalAHm\">2. \u4f7f\u7528URLSession\u4e0b\u8f09\u6578\u64da\u5eab\u6587\u4ef6<\/h3>\n<p>\u5728iOS\u61c9\u7528\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528URLSession\u4f86\u4e0b\u8f09\u6578\u64da\u5eab\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>import UIKit\n\nclass ViewController: UIViewController {\n    let databaseURL = \"https:\/\/yourserver.com\/path\/to\/database.sqlite\"\n\n    override func viewDidLoad() {\n        super.viewDidLoad()\n        downloadDatabase()\n    }\n\n    func downloadDatabase() {\n        guard let url = URL(string: databaseURL) else { return }\n        let task = URLSession.shared.downloadTask(with: url) { (location, response, error) in\n            guard let location = location, error == nil else { return }\n            self.moveDatabaseFile(from: location)\n        }\n        task.resume()\n    }\n\n    func moveDatabaseFile(from location: URL) {\n        let fileManager = FileManager.default\n        let documentsDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first!\n        let destinationURL = documentsDirectory.appendingPathComponent(\"database.sqlite\")\n\n        do {\n            try fileManager.moveItem(at: location, to: destinationURL)\n            print(\"Database downloaded to: (destinationURL)\")\n        } catch {\n            print(\"Error moving database file: (error)\")\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"3-%e5%8a%a0%e8%bc%89%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6-pZaORalAHm\">3. \u52a0\u8f09\u6578\u64da\u5eab\u6587\u4ef6<\/h3>\n<p>\u4e0b\u8f09\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528SQLite\u5eab\u4f86\u52a0\u8f09\u548c\u67e5\u8a62\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>import SQLite3\n\nfunc queryDatabase() {\n    var db: OpaquePointer?\n    let fileURL = documentsDirectory.appendingPathComponent(\"database.sqlite\")\n\n    if sqlite3_open(fileURL.path, &amp;db) == SQLITE_OK {\n        let query = \"SELECT * FROM your_table\"\n        var statement: OpaquePointer?\n\n        if sqlite3_prepare_v2(db, query, -1, &amp;statement, nil) == SQLITE_OK {\n            while sqlite3_step(statement) == SQLITE_ROW {\n                let columnValue = String(cString: sqlite3_column_text(statement, 0))\n                print(\"Column Value: (columnValue)\")\n            }\n        }\n        sqlite3_finalize(statement)\n    }\n    sqlite3_close(db)\n}\n<\/code><\/pre>\n<h2 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id=\"%e7%b8%bd%e7%b5%90-pZaORalAHm\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u76f4\u63a5\u4e0b\u8f09\u6578\u64da\u5eab\u6587\u4ef6\uff0ciOS\u61c9\u7528\u53ef\u4ee5\u5be6\u73fe\u5feb\u901f\u7684\u6578\u64da\u52a0\u8f09\uff0c\u5f9e\u800c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u5316\u4e86\u6578\u64da\u7ba1\u7406\uff0c\u9084\u80fd\u6709\u6548\u6e1b\u5c11\u52a0\u8f09\u6642\u9593\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u652f\u6301\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\u6587\u4ef6\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a 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