{"id":58391,"date":"2024-10-12T20:20:16","date_gmt":"2024-10-12T12:20:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58391\/"},"modified":"2024-10-12T20:20:17","modified_gmt":"2024-10-12T12:20:17","slug":"android%e5%b8%b8%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%80%e8%a6%bd-android%e5%b8%b8%e7%94%a8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58391\/","title":{"rendered":"Android\u5e38\u7528\u6578\u64da\u5eab\u4e00\u89bd (android\u5e38\u7528\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"android%e5%b8%b8%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%80%e8%a6%bd-LYQDKgtsdW\">Android\u5e38\u7528\u6578\u64da\u5eab\u4e00\u89bd<\/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\u96a8\u8457\u79fb\u52d5\u61c9\u7528\u7684\u666e\u53ca\uff0c\u958b\u767c\u8005\u9700\u8981\u4e86\u89e3\u5404\u7a2e\u6578\u64da\u5eab\u7684\u7279\u6027\uff0c\u4ee5\u4fbf\u9078\u64c7\u6700\u9069\u5408\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u7528\u7684Android\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"1-sqlite-LYQDKgtsdW\">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\u652f\u6301\u6a19\u6e96\u7684SQL\u8a9e\u6cd5\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u79fb\u52d5\u8a2d\u5099\u4e0a\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h3 id=\"%e7%89%b9%e9%bb%9e-LYQDKgtsdW\">\u7279\u9ede<\/h3>\n<ul>\n<li>\u8f15\u91cf\u7d1a\uff1a\u4f54\u7528\u8cc7\u6e90\u5c11\uff0c\u9069\u5408\u79fb\u52d5\u8a2d\u5099\u3002<\/li>\n<li>\u7121\u9700\u4f3a\u670d\u5668\uff1a\u6578\u64da\u5eab\u6587\u4ef6\u76f4\u63a5\u5b58\u5132\u5728\u61c9\u7528\u7684\u5167\u90e8\u5b58\u5132\u4e2d\u3002<\/li>\n<li>\u652f\u6301\u4e8b\u52d9\uff1a\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-LYQDKgtsdW\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>SQLiteDatabase db = this.getWritableDatabase();\nContentValues values = new ContentValues();\nvalues.put(\"name\", \"John\");\ndb.insert(\"users\", null, values);\n<\/code><\/pre>\n<h2 id=\"2-room-LYQDKgtsdW\">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\u652f\u6301\u6578\u64da\u5eab\u7248\u672c\u7ba1\u7406\u548c\u6578\u64da\u9077\u79fb\uff0c\u4e26\u4e14\u8207LiveData\u548cViewModel\u7b49\u67b6\u69cb\u7d44\u4ef6\u7121\u7e2b\u96c6\u6210\u3002<\/p>\n<h3 id=\"%e7%89%b9%e9%bb%9e-LYQDKgtsdW\">\u7279\u9ede<\/h3>\n<ul>\n<li>\u7c21\u5316\u64cd\u4f5c\uff1a\u4f7f\u7528\u8a3b\u89e3\u4f86\u5b9a\u7fa9\u6578\u64da\u6a21\u578b\u548c\u67e5\u8a62\u3002<\/li>\n<li>\u6578\u64da\u9077\u79fb\uff1a\u81ea\u52d5\u8655\u7406\u6578\u64da\u5eab\u7248\u672c\u7684\u5347\u7d1a\u3002<\/li>\n<li>\u8207\u67b6\u69cb\u7d44\u4ef6\u96c6\u6210\uff1a\u652f\u6301LiveData\u548cViewModel\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-LYQDKgtsdW\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\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-realm-LYQDKgtsdW\">3. Realm<\/h2>\n<p>Realm\u662f\u4e00\u500b\u79fb\u52d5\u6578\u64da\u5eab\uff0c\u5c08\u70ba\u79fb\u52d5\u61c9\u7528\u8a2d\u8a08\u3002\u5b83\u63d0\u4f9b\u4e86\u6bd4SQLite\u66f4\u5feb\u7684\u6027\u80fd\uff0c\u4e26\u4e14\u652f\u6301\u5c0d\u8c61\u5c0e\u5411\u7684\u6578\u64da\u6a21\u578b\u3002Realm\u7684API\u7c21\u55ae\u6613\u7528\uff0c\u9069\u5408\u5feb\u901f\u958b\u767c\u3002<\/p>\n<h3 id=\"%e7%89%b9%e9%bb%9e-LYQDKgtsdW\">\u7279\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1a\u6bd4SQLite\u66f4\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\u3002<\/li>\n<li>\u5c0d\u8c61\u5c0e\u5411\uff1a\u76f4\u63a5\u64cd\u4f5c\u5c0d\u8c61\uff0c\u800c\u7121\u9700\u4f7f\u7528SQL\u8a9e\u53e5\u3002<\/li>\n<li>\u8de8\u5e73\u53f0\u652f\u6301\uff1a\u53ef\u5728Android\u548ciOS\u4e0a\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-LYQDKgtsdW\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\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\");\n    }\n});\n<\/code><\/pre>\n<h2 id=\"4-firebase-realtime-database-LYQDKgtsdW\">4. Firebase Realtime Database<\/h2>\n<p>Firebase Realtime Database\u662f\u4e00\u500b\u96f2\u7aef\u6578\u64da\u5eab\uff0c\u652f\u6301\u5be6\u6642\u6578\u64da\u540c\u6b65\u3002\u5b83\u9069\u5408\u9700\u8981\u5373\u6642\u66f4\u65b0\u7684\u61c9\u7528\uff0c\u5982\u804a\u5929\u61c9\u7528\u6216\u793e\u4ea4\u5a92\u9ad4\u3002Firebase\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5f8c\u7aef\u652f\u6301\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c08\u6ce8\u65bc\u524d\u7aef\u958b\u767c\u3002<\/p>\n<h3 id=\"%e7%89%b9%e9%bb%9e-LYQDKgtsdW\">\u7279\u9ede<\/h3>\n<ul>\n<li>\u5be6\u6642\u540c\u6b65\uff1a\u6578\u64da\u8b8a\u66f4\u5373\u6642\u53cd\u6620\u5230\u6240\u6709\u5ba2\u6236\u7aef\u3002<\/li>\n<li>\u96f2\u7aef\u5b58\u5132\uff1a\u7121\u9700\u7ba1\u7406\u4f3a\u670d\u5668\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1a\u63d0\u4f9b\u7528\u6236\u8eab\u4efd\u9a57\u8b49\u548c\u6578\u64da\u5b89\u5168\u898f\u5247\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-LYQDKgtsdW\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>DatabaseReference database = FirebaseDatabase.getInstance().getReference();\ndatabase.child(\"users\").child(\"user1\").setValue(\"John\");\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LYQDKgtsdW\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u9078\u64c7Android\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u61c9\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u548c\u7279\u6027\u4f86\u505a\u51fa\u6c7a\u7b56\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u8f15\u91cf\u7d1a\u7684SQLite\uff0c\u9084\u662f\u529f\u80fd\u5f37\u5927\u7684Room\u3001Realm\u6216Firebase Realtime Database\uff0c\u6bcf\u7a2e\u6578\u64da\u5eab\u90fd\u6709\u5176\u7368\u7279\u7684\u512a\u52e2\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u5eab\u7684\u7279\u6027\u548c\u4f7f\u7528\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u5f8c\u7aef\u652f\u6301\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u61c9\u7528\u74b0\u5883\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u9ad8\u6548\u5b58\u53d6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Android\u5e38\u7528\u6578\u64da\u5eab\uff0c\u5305\u62ecSQLite\u3001Room\u548cRealm\uff0c\u4e86\u89e3\u5b83\u5011\u7684\u7279\u9ede\u3001\u512a\u52e2\u53ca\u9069\u7528\u5834\u666f\uff0c\u52a9\u4f60\u9078\u64c7\u6700\u4f73\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-58391","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58391","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=58391"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58391\/revisions"}],"predecessor-version":[{"id":58392,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58391\/revisions\/58392"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}