{"id":58451,"date":"2024-10-12T20:45:15","date_gmt":"2024-10-12T12:45:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58451\/"},"modified":"2024-10-12T20:45:15","modified_gmt":"2024-10-12T12:45:15","slug":"android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5%e8%a9%b3%e8%a7%a3-android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58451\/","title":{"rendered":"Android\u6578\u64da\u5eab\u5efa\u8868\u8a9e\u53e5\u8a73\u89e3 (android\u6578\u64da\u5eab\u5efa\u8868\u8a9e\u53e5)"},"content":{"rendered":"<h1 id=\"android%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5%e8%a9%b3%e8%a7%a3-voaCHNlRme\">Android\u6578\u64da\u5eab\u5efa\u8868\u8a9e\u53e5\u8a73\u89e3<\/h1>\n<p>\u5728Android\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002SQLite\u662fAndroid\u5167\u5efa\u7684\u8f15\u91cf\u7d1a\u6578\u64da\u5eab\uff0c\u9069\u5408\u7528\u65bc\u5b58\u5132\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728Android\u4e2d\u4f7f\u7528\u5efa\u8868\u8a9e\u53e5\u4f86\u5275\u5efa\u6578\u64da\u5eab\u8868\u683c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"sqlite%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-voaCHNlRme\">SQLite\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u81ea\u7d66\u81ea\u8db3\u7684\u3001\u7121\u4f3a\u670d\u5668\u7684\u3001\u96f6\u914d\u7f6e\u7684\u3001\u4e8b\u52d9\u6027SQL\u6578\u64da\u5eab\u5f15\u64ce\u3002\u5b83\u7684\u7279\u9ede\u662f\u8f15\u91cf\u7d1a\uff0c\u9069\u5408\u7528\u65bc\u79fb\u52d5\u8a2d\u5099\u3002Android\u61c9\u7528\u7a0b\u5e8f\u901a\u5e38\u4f7f\u7528SQLite\u4f86\u5b58\u5132\u7d50\u69cb\u5316\u6578\u64da\uff0c\u56e0\u70ba\u5b83\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684SQL\u652f\u6301\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%90%e6%a7%8b-voaCHNlRme\">\u5efa\u8868\u8a9e\u53e5\u7684\u57fa\u672c\u7d50\u69cb<\/h2>\n<p>\u5728SQLite\u4e2d\uff0c\u5efa\u8868\u8a9e\u53e5\u7684\u57fa\u672c\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE \u8868\u540d (\n    \u5217\u540d1 \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6],\n    \u5217\u540d2 \u6578\u64da\u985e\u578b [\u7d04\u675f\u689d\u4ef6],\n    ...\n);<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c\u6578\u64da\u985e\u578b\u53ef\u4ee5\u662f\u6574\u6578\uff08INTEGER\uff09\u3001\u6587\u672c\uff08TEXT\uff09\u3001\u5be6\u6578\uff08REAL\uff09\u3001Blob\uff08BLOB\uff09\u7b49\u3002\u7d04\u675f\u689d\u4ef6\u5247\u53ef\u4ee5\u5305\u62ec\u4e3b\u9375\uff08PRIMARY KEY\uff09\u3001\u552f\u4e00\uff08UNIQUE\uff09\u3001\u975e\u7a7a\uff08NOT NULL\uff09\u7b49\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e4%b8%80%e5%80%8b%e7%94%a8%e6%88%b6%e8%a1%a8-voaCHNlRme\">\u793a\u4f8b\uff1a\u5275\u5efa\u4e00\u500b\u7528\u6236\u8868<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u7528\u6236\u8868\u7684\u793a\u4f8b\uff0c\u8a72\u8868\u5305\u542b\u7528\u6236\u7684ID\u3001\u59d3\u540d\u548c\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    UserID INTEGER PRIMARY KEY AUTOINCREMENT,\n    UserName TEXT NOT NULL,\n    UserEmail TEXT UNIQUE NOT NULL\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>UserID<\/strong>\uff1a\u6574\u6578\u985e\u578b\uff0c\u8a2d\u7f6e\u70ba\u4e3b\u9375\u4e26\u81ea\u52d5\u589e\u9577\u3002<\/li>\n<li><strong>UserName<\/strong>\uff1a\u6587\u672c\u985e\u578b\uff0c\u8a2d\u7f6e\u70ba\u975e\u7a7a\u3002<\/li>\n<li><strong>UserEmail<\/strong>\uff1a\u6587\u672c\u985e\u578b\uff0c\u8a2d\u7f6e\u70ba\u552f\u4e00\u4e14\u975e\u7a7a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8android%e4%b8%ad%e5%9f%b7%e8%a1%8c%e5%bb%ba%e8%a1%a8%e8%aa%9e%e5%8f%a5-voaCHNlRme\">\u5728Android\u4e2d\u57f7\u884c\u5efa\u8868\u8a9e\u53e5<\/h2>\n<p>\u5728Android\u4e2d\uff0c\u901a\u5e38\u6703\u5728\u81ea\u5b9a\u7fa9\u7684SQLiteOpenHelper\u985e\u4e2d\u57f7\u884c\u5efa\u8868\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\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 createUsersTable = \"CREATE TABLE Users (\" +\n                \"UserID INTEGER PRIMARY KEY AUTOINCREMENT, \" +\n                \"UserName TEXT NOT NULL, \" +\n                \"UserEmail TEXT UNIQUE NOT NULL);\";\n        db.execSQL(createUsersTable);\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}<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576\u6578\u64da\u5eab\u9996\u6b21\u5275\u5efa\u6642\uff0conCreate\u65b9\u6cd5\u6703\u88ab\u8abf\u7528\uff0c\u4e26\u57f7\u884c\u5efa\u8868\u8a9e\u53e5\u4f86\u5275\u5efaUsers\u8868\u3002\u5982\u679c\u6578\u64da\u5eab\u7248\u672c\u5347\u7d1a\uff0conUpgrade\u65b9\u6cd5\u6703\u522a\u9664\u820a\u8868\u4e26\u91cd\u65b0\u5275\u5efa\u65b0\u8868\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-voaCHNlRme\">\u7d50\u8ad6<\/h2>\n<p>\u5728Android\u958b\u767c\u4e2d\uff0c\u4f7f\u7528SQLite\u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u662f\u975e\u5e38\u5e38\u898b\u7684\u3002\u901a\u904e\u6b63\u78ba\u7684\u5efa\u8868\u8a9e\u53e5\uff0c\u6211\u5011\u53ef\u4ee5\u9748\u6d3b\u5730\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u6eff\u8db3\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u5efa\u8868\u8a9e\u53e5\u5275\u5efa\u6578\u64da\u5eab\u8868\u683c\uff0c\u5c0d\u65bc\u958b\u767c\u9ad8\u6548\u7684Android\u61c9\u7528\u7a0b\u5e8f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u3001<code>\u4f3a\u670d\u5668<\/code>\u3001<code>\u4e91\u4f3a\u670d\u5668<\/code>\u548c<code>\u9999\u6e2f\u4f3a\u670d\u5668<\/code>\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eAndroid\u6578\u64da\u5eab\u5efa\u8868\u8a9e\u53e5\uff0c\u63d0\u4f9b\u8a73\u7d30\u7bc4\u4f8b\u8207\u89e3\u91cb\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5efa\u7acb\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\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-58451","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58451","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=58451"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58451\/revisions"}],"predecessor-version":[{"id":58452,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58451\/revisions\/58452"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}