{"id":58409,"date":"2024-10-12T20:27:15","date_gmt":"2024-10-12T12:27:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58409\/"},"modified":"2024-10-12T20:27:15","modified_gmt":"2024-10-12T12:27:15","slug":"android%e9%96%8b%e7%99%bc%e5%bf%85%e9%a0%88%e7%9f%a5%e9%81%93%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%9e%e5%9e%8b-android%e4%b8%ad%e4%bd%bf%e7%94%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58409\/","title":{"rendered":"Android\u958b\u767c\u5fc5\u9808\u77e5\u9053\u7684\u6578\u64da\u5eab\u985e\u578b (android\u4e2d\u4f7f\u7528\u7684\u6578\u64da\u5eab\u662f\u54ea\u4e00\u7a2e)"},"content":{"rendered":"<h1 id=\"android%e9%96%8b%e7%99%bc%e5%bf%85%e9%a0%88%e7%9f%a5%e9%81%93%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%9e%e5%9e%8b-gaRzwFSmgb\">Android\u958b\u767c\u5fc5\u9808\u77e5\u9053\u7684\u6578\u64da\u5eab\u985e\u578b<\/h1>\n<p>\u5728Android\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\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u985e\u578b\u5404\u6709\u5176\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5728Android\u4e2d\u5e38\u7528\u7684\u6578\u64da\u5eab\u985e\u578b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u9078\u64c7\u6700\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"1-sqlite-gaRzwFSmgb\">1. SQLite<\/h2>\n<p>SQLite\u662fAndroid\u5e73\u53f0\u4e0a\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u3002\u5b83\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u5167\u5d4c\u65bcAndroid\u7cfb\u7d71\u4e2d\uff0c\u7121\u9700\u984d\u5916\u5b89\u88dd\u3002SQLite\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8f15\u91cf\u7d1a\uff1aSQLite\u7684\u5eab\u6587\u4ef6\u975e\u5e38\u5c0f\uff0c\u9069\u5408\u79fb\u52d5\u8a2d\u5099\u4f7f\u7528\u3002<\/li>\n<li>\u7121\u9700\u4f3a\u670d\u5668\uff1aSQLite\u662f\u4e00\u500b\u81ea\u7d66\u81ea\u8db3\u7684\u6578\u64da\u5eab\uff0c\u7121\u9700\u984d\u5916\u7684\u4f3a\u670d\u5668\u652f\u6301\u3002<\/li>\n<li>\u652f\u6301SQL\u8a9e\u8a00\uff1a\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u6a19\u6e96\u7684SQL\u8a9e\u53e5\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528SQLite\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>SQLiteDatabase db = this.getWritableDatabase();\nContentValues values = new ContentValues();\nvalues.put(\"column_name\", \"value\");\ndb.insert(\"table_name\", null, values);\n<\/code><\/pre>\n<h2 id=\"2-room-gaRzwFSmgb\">2. Room<\/h2>\n<p>Room\u662fGoogle\u63a8\u51fa\u7684\u4e00\u500b\u6301\u4e45\u6027\u5eab\uff0c\u65e8\u5728\u7c21\u5316SQLite\u7684\u4f7f\u7528\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u62bd\u8c61\u5c64\uff0c\u4f7f\u5f97\u6578\u64da\u5eab\u64cd\u4f5c\u66f4\u52a0\u7c21\u55ae\u548c\u5b89\u5168\u3002Room\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7de8\u8b6f\u6642\u6aa2\u67e5\uff1aRoom\u5728\u7de8\u8b6f\u6642\u6aa2\u67e5SQL\u8a9e\u53e5\u7684\u6b63\u78ba\u6027\uff0c\u6e1b\u5c11\u904b\u884c\u6642\u932f\u8aa4\u3002<\/li>\n<li>\u6578\u64da\u5eab\u7248\u672c\u7ba1\u7406\uff1aRoom\u81ea\u52d5\u8655\u7406\u6578\u64da\u5eab\u7248\u672c\u7684\u5347\u7d1a\u548c\u964d\u7d1a\u3002<\/li>\n<li>\u652f\u6301LiveData\uff1aRoom\u8207LiveData\u7d50\u5408\u4f7f\u7528\uff0c\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u81ea\u52d5\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528Room\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>@Entity\npublic class User {\n    @PrimaryKey\n    public int uid;\n    @ColumnInfo(name = \"first_name\")\n    public String firstName;\n    @ColumnInfo(name = \"last_name\")\n    public String lastName;\n}\n\n@Dao\npublic interface UserDao {\n    @Insert\n    void insert(User user);\n}\n<\/code><\/pre>\n<h2 id=\"3-firebase-realtime-database-gaRzwFSmgb\">3. Firebase Realtime Database<\/h2>\n<p>Firebase Realtime Database\u662f\u4e00\u500b\u96f2\u7aef\u6578\u64da\u5eab\uff0c\u9069\u5408\u9700\u8981\u5be6\u6642\u6578\u64da\u540c\u6b65\u7684\u61c9\u7528\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5be6\u6642\u6578\u64da\u540c\u6b65\uff1a\u6578\u64da\u7684\u8b8a\u66f4\u6703\u5373\u6642\u53cd\u6620\u5230\u6240\u6709\u9023\u63a5\u7684\u5ba2\u6236\u7aef\u3002<\/li>\n<li>\u7121\u9700\u4f3a\u670d\u5668\u7ba1\u7406\uff1aFirebase\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u5f8c\u7aef\u89e3\u6c7a\u65b9\u6848\uff0c\u958b\u767c\u8005\u7121\u9700\u64d4\u5fc3\u4f3a\u670d\u5668\u7684\u7dad\u8b77\u3002<\/li>\n<li>\u652f\u6301\u96e2\u7dda\u6a21\u5f0f\uff1a\u5373\u4f7f\u5728\u7121\u7db2\u7d61\u7684\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u4e5f\u80fd\u6b63\u5e38\u904b\u884c\uff0c\u4e26\u5728\u6062\u5fa9\u9023\u63a5\u5f8c\u81ea\u52d5\u540c\u6b65\u6578\u64da\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528Firebase Realtime Database\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>DatabaseReference database = FirebaseDatabase.getInstance().getReference();\ndatabase.child(\"users\").child(userId).setValue(user);\n<\/code><\/pre>\n<h2 id=\"4-realm-gaRzwFSmgb\">4. Realm<\/h2>\n<p>Realm\u662f\u4e00\u500b\u79fb\u52d5\u6578\u64da\u5eab\uff0c\u5c08\u70ba\u79fb\u52d5\u61c9\u7528\u8a2d\u8a08\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRealm\u7684\u67e5\u8a62\u901f\u5ea6\u6bd4SQLite\u5feb\uff0c\u9069\u5408\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u3002<\/li>\n<li>\u7c21\u55ae\u6613\u7528\uff1aRealm\u7684API\u8a2d\u8a08\u7c21\u55ae\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<li>\u652f\u6301\u591a\u7dda\u7a0b\uff1aRealm\u652f\u6301\u591a\u7dda\u7a0b\u64cd\u4f5c\uff0c\u9069\u5408\u8907\u96dc\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528Realm\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>Realm realm = Realm.getDefaultInstance();\nrealm.executeTransaction(new Realm.Transaction() {\n    @Override\n    public void execute(Realm realm) {\n        User user = realm.createObject(User.class);\n        user.setName(\"John Doe\");\n    }\n});\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gaRzwFSmgb\">\u7e3d\u7d50<\/h2>\n<p>\u5728Android\u958b\u767c\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u985e\u578b\u5c0d\u65bc\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u8f15\u91cf\u7d1a\u7684SQLite\u3001\u7c21\u5316\u64cd\u4f5c\u7684Room\u3001\u5be6\u6642\u540c\u6b65\u7684Firebase Realtime Database\uff0c\u9084\u662f\u9ad8\u6027\u80fd\u7684Realm\uff0c\u958b\u767c\u8005\u90fd\u61c9\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u5eab\u7684\u7279\u9ede\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u958b\u767c\u6548\u7387\u548c\u61c9\u7528\u8cea\u91cf\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Android\u958b\u767c\u4e2d\u5fc5\u9808\u638c\u63e1\u7684\u6578\u64da\u5eab\u985e\u578b\uff0c\u5305\u62ecSQLite\u3001Room\u548cFirebase\uff0c\u52a9\u4f60\u9ad8\u6548\u7ba1\u7406\u61c9\u7528\u6578\u64da\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-58409","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58409","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=58409"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58409\/revisions"}],"predecessor-version":[{"id":58410,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58409\/revisions\/58410"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}