{"id":58445,"date":"2024-10-12T20:42:16","date_gmt":"2024-10-12T12:42:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58445\/"},"modified":"2024-10-12T20:42:16","modified_gmt":"2024-10-12T12:42:16","slug":"android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e6%8c%87%e5%8d%97%ef%bc%9a%e8%bc%95%e9%ac%86%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a%e5%88%b0%e4%bd%a0%e7%9a%84%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58445\/","title":{"rendered":"Android\u6578\u64da\u5eab\u5b58\u5132\u6307\u5357\uff1a\u8f15\u9b06\u4fdd\u5b58\u6578\u64da\u5230\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d (android \u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d)"},"content":{"rendered":"<h1 id=\"android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e6%8c%87%e5%8d%97%ef%bc%9a%e8%bc%95%e9%ac%86%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a%e5%88%b0%e4%bd%a0%e7%9a%84%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f-XEhcVGeZKk\">Android\u6578\u64da\u5eab\u5b58\u5132\u6307\u5357\uff1a\u8f15\u9b06\u4fdd\u5b58\u6578\u64da\u5230\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u79fb\u52d5\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5b58\u5132\u662f\u81f3\u95dc\u91cd\u8981\u7684\u4e00\u74b0\u3002Android\u5e73\u53f0\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5b58\u5132\u9078\u64c7\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728Android\u61c9\u7528\u4e2d\u8f15\u9b06\u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u63d0\u4f9b\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%e5%ad%98%e5%84%b2%ef%bc%9f-XEhcVGeZKk\">\u70ba\u4ec0\u9ebc\u9078\u64c7\u6578\u64da\u5eab\u5b58\u5132\uff1f<\/h2>\n<p>\u5728\u958b\u767cAndroid\u61c9\u7528\u6642\uff0c\u6578\u64da\u5b58\u5132\u7684\u9078\u64c7\u53d6\u6c7a\u65bc\u6578\u64da\u7684\u6027\u8cea\u548c\u61c9\u7528\u7684\u9700\u6c42\u3002\u6578\u64da\u5eab\u5b58\u5132\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7d50\u69cb\u5316\u6578\u64da\u7ba1\u7406\uff1a\u6578\u64da\u5eab\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u7d50\u69cb\u5316\u6578\u64da\uff0c\u4fbf\u65bc\u67e5\u8a62\u548c\u66f4\u65b0\u3002<\/li>\n<li>\u6301\u4e45\u6027\uff1a\u6578\u64da\u5eab\u80fd\u5920\u6301\u4e45\u4fdd\u5b58\u6578\u64da\uff0c\u5373\u4f7f\u61c9\u7528\u95dc\u9589\uff0c\u6578\u64da\u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<li>\u591a\u7528\u6236\u652f\u6301\uff1a\u6578\u64da\u5eab\u80fd\u5920\u652f\u6301\u591a\u7528\u6236\u540c\u6642\u8a2a\u554f\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"android%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%81%b8%e6%93%87-XEhcVGeZKk\">Android\u4e2d\u7684\u6578\u64da\u5eab\u9078\u64c7<\/h2>\n<p>\u5728Android\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u662fSQLite\u3002SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u9069\u5408\u7528\u65bc\u79fb\u52d5\u8a2d\u5099\u3002\u9664\u4e86SQLite\uff0cAndroid\u9084\u652f\u6301\u5176\u4ed6\u6578\u64da\u5b58\u5132\u9078\u64c7\uff0c\u5982SharedPreferences\u548c\u6587\u4ef6\u5b58\u5132\uff0c\u4f46\u9019\u4e9b\u9078\u64c7\u4e0d\u5982\u6578\u64da\u5eab\u9069\u5408\u8655\u7406\u5927\u91cf\u7d50\u69cb\u5316\u6578\u64da\u3002<\/p>\n<h3 id=\"sqlite%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8-XEhcVGeZKk\">SQLite\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n<p>\u8981\u5728Android\u4e2d\u4f7f\u7528SQLite\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u5e6b\u52a9\u985e\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>public class DatabaseHelper extends SQLiteOpenHelper {\n    private static final String DATABASE_NAME = \"mydatabase.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, age INTEGER)\";\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<\/code><\/pre>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-XEhcVGeZKk\">\u63d2\u5165\u6578\u64da<\/h3>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u63d2\u5165\u6578\u64da\uff1a<\/p>\n<pre><code>public void addUser(String name, int age) {\n    SQLiteDatabase db = this.getWritableDatabase();\n    ContentValues values = new ContentValues();\n    values.put(\"name\", name);\n    values.put(\"age\", age);\n    db.insert(\"users\", null, values);\n    db.close();\n}\n<\/code><\/pre>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-XEhcVGeZKk\">\u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u8981\u67e5\u8a62\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>public Cursor getAllUsers() {\n    SQLiteDatabase db = this.getReadableDatabase();\n    return db.rawQuery(\"SELECT * FROM users\", null);\n}\n<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-XEhcVGeZKk\">\u6578\u64da\u5eab\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528SQLite\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7570\u6b65\u64cd\u4f5c\uff1a\u907f\u514d\u5728\u4e3b\u7dda\u7a0b\u4e2d\u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4ee5\u9632\u6b62\u61c9\u7528\u5361\u9813\u3002<\/li>\n<li>\u9069\u7576\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff1a\u78ba\u4fdd\u5728\u64cd\u4f5c\u5b8c\u6210\u5f8c\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n<li>\u4f7f\u7528\u4e8b\u52d9\uff1a\u5728\u57f7\u884c\u591a\u500b\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 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