{"id":171647,"date":"2024-11-07T04:29:17","date_gmt":"2024-11-06T20:29:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171647\/"},"modified":"2024-11-07T04:29:18","modified_gmt":"2024-11-06T20:29:18","slug":"%e8%bc%95%e9%ac%86%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%ae%a1%e7%90%86-android%e5%b0%81%e8%a3%9d%e7%9a%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171647\/","title":{"rendered":"\u8f15\u9b06\u64cd\u4f5c\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u7ba1\u7406\u2014\u2014Android\u5c01\u88dd\u7684\u6578\u64da\u5eab\u7ba1\u7406\u985e\u4ecb\u7d39 (android \u5c01\u88dd\u7684\u6578\u64da\u5eab\u7ba1\u7406\u64cd\u4f5c\u985e)"},"content":{"rendered":"<h1 id=\"%e8%bc%95%e9%ac%86%e6%93%8d%e4%bd%9c%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e7%ae%a1%e7%90%86-android%e5%b0%81%e8%a3%9d%e7%9a%84%e6%95%b8%e6%93%9a-OkPhgFCFro\">\u8f15\u9b06\u64cd\u4f5c\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u7ba1\u7406\u2014\u2014Android\u5c01\u88dd\u7684\u6578\u64da\u5eab\u7ba1\u7406\u985e\u4ecb\u7d39<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u79fb\u52d5\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u8207\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002Android\u5e73\u53f0\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5eab\u7ba1\u7406\u7684\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u4fbf\u662fSQLite\u3002\u70ba\u4e86\u7c21\u5316\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u8a31\u591a\u958b\u767c\u8005\u9078\u64c7\u5c01\u88dd\u6578\u64da\u5eab\u7ba1\u7406\u985e\uff0c\u9019\u6a23\u4e0d\u50c5\u80fd\u63d0\u9ad8\u958b\u767c\u6548\u7387\uff0c\u9084\u80fd\u6e1b\u5c11\u932f\u8aa4\u7684\u767c\u751f\u3002\u672c\u6587\u5c07\u4ecb\u7d39Android\u5c01\u88dd\u7684\u6578\u64da\u5eab\u7ba1\u7406\u985e\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u64cd\u4f5c\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u7ba1\u7406\u3002<\/p>\n<h2 id=\"sqlite%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-OkPhgFCFro\">SQLite\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u578b\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bcAndroid\u61c9\u7528\u4e2d\u3002\u5b83\u7684\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7121\u9700\u5b89\u88dd\uff1aSQLite\u662f\u5167\u5d4c\u7684\u6578\u64da\u5eab\uff0c\u7121\u9700\u984d\u5916\u5b89\u88dd\u3002<\/li>\n<li>\u8f15\u91cf\u7d1a\uff1a\u4f54\u7528\u8cc7\u6e90\u5c11\uff0c\u9069\u5408\u79fb\u52d5\u8a2d\u5099\u3002<\/li>\n<li>\u652f\u6301ACID\uff1a\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<p>\u5728Android\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904eSQLiteOpenHelper\u985e\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5275\u5efa\u548c\u7248\u672c\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e5%b0%81%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e9%a1%9e%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-OkPhgFCFro\">\u5c01\u88dd\u6578\u64da\u5eab\u7ba1\u7406\u985e\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u76f4\u63a5\u4f7f\u7528SQLite API\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee3\u78bc\u5197\u9577\u4e14\u96e3\u4ee5\u7dad\u8b77\u3002\u5c01\u88dd\u6578\u64da\u5eab\u7ba1\u7406\u985e\u53ef\u4ee5\u63d0\u4f9b\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li>\u7c21\u5316\u64cd\u4f5c\uff1a\u901a\u904e\u5c01\u88dd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u57f7\u884c\u8907\u96dc\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/li>\n<li>\u63d0\u9ad8\u53ef\u8b80\u6027\uff1a\u4ee3\u78bc\u7d50\u69cb\u6e05\u6670\uff0c\u6613\u65bc\u7406\u89e3\u548c\u7dad\u8b77\u3002<\/li>\n<li>\u6e1b\u5c11\u932f\u8aa4\uff1a\u7d71\u4e00\u7684\u63a5\u53e3\u53ef\u4ee5\u6e1b\u5c11\u56e0\u70baAPI\u4f7f\u7528\u4e0d\u7576\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"android%e5%b0%81%e8%a3%9d%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e9%a1%9e%e7%a4%ba%e4%be%8b-OkPhgFCFro\">Android\u5c01\u88dd\u7684\u6578\u64da\u5eab\u7ba1\u7406\u985e\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u5eab\u7ba1\u7406\u985e\u7684\u793a\u4f8b\uff0c\u8a72\u985e\u5c01\u88dd\u4e86\u57fa\u672c\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5982\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u3002<\/p>\n<pre><code>\npublic class DatabaseHelper extends SQLiteOpenHelper {\n    private static final String DATABASE_NAME = \"example.db\";\n    private static final int DATABASE_VERSION = 1;\n\n    public DatabaseHelper(Context context) {\n        super(context, DATABASE_NAME, null, DATABASE_VERSION);\n    }\n\n    @Override\n    public void onCreate(SQLiteDatabase db) {\n        String CREATE_TABLE = \"CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT)\";\n        db.execSQL(CREATE_TABLE);\n    }\n\n    @Override\n    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {\n        db.execSQL(\"DROP TABLE IF EXISTS users\");\n        onCreate(db);\n    }\n\n    public void addUser(String name) {\n        SQLiteDatabase db = this.getWritableDatabase();\n        ContentValues values = new ContentValues();\n        values.put(\"name\", name);\n        db.insert(\"users\", null, values);\n        db.close();\n    }\n\n    public List getAllUsers() {\n        List users = new ArrayList();\n        String selectQuery = \"SELECT * FROM users\";\n        SQLiteDatabase db = this.getReadableDatabase();\n        Cursor cursor = db.rawQuery(selectQuery, null);\n        if (cursor.moveToFirst()) {\n            do {\n                users.add(cursor.getString(1));\n            } while (cursor.moveToNext());\n        }\n        cursor.close();\n        db.close();\n        return users;\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baDatabaseHelper\u7684\u985e\uff0c\u8a72\u985e\u7e7c\u627f\u81eaSQLiteOpenHelper\u3002\u5b83\u5305\u542b\u4e86\u5275\u5efa\u6578\u64da\u8868\u3001\u6dfb\u52a0\u7528\u6236\u548c\u67e5\u8a62\u7528\u6236\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u64f4\u5c55\u9019\u500b\u985e\uff0c\u6dfb\u52a0\u66f4\u591a\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-OkPhgFCFro\">\u7d50\u8ad6<\/h2>\n<p>\u5c01\u88dd\u6578\u64da\u5eab\u7ba1\u7406\u985e\u662fAndroid\u958b\u767c\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u6b65\u9a5f\uff0c\u5b83\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u901a\u904e\u7c21\u5316\u64cd\u4f5c\u548c\u63d0\u9ad8\u4ee3\u78bc\u53ef\u8b80\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c08\u6ce8\u65bc\u61c9\u7528\u7684\u5176\u4ed6\u90e8\u5206\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u958b\u767c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5176\u4ed6\u6280\u8853\u652f\u6301\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684\u61c9\u7528\u548c\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f15\u9b06\u64cd\u4f5c\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u7ba1\u7406\uff0c\u63a2\u7d22Android\u5c01\u88dd\u7684\u6578\u64da\u5eab\u7ba1\u7406\u985e\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-171647","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171647","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=171647"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171647\/revisions"}],"predecessor-version":[{"id":171648,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171647\/revisions\/171648"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}