{"id":182034,"date":"2024-11-09T20:33:18","date_gmt":"2024-11-09T12:33:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182034\/"},"modified":"2024-11-09T20:33:19","modified_gmt":"2024-11-09T12:33:19","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2%e5%ae%89%e5%8d%93%e8%87%aa%e5%b8%b6%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87%ef%bc%88%e5%ae%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182034\/","title":{"rendered":"\u6df1\u5165\u63a2\u7d22\u5b89\u5353\u81ea\u5e36\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff08\u5b89\u5353\u81ea\u5e36\u7684\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2%e5%ae%89%e5%8d%93%e8%87%aa%e5%b8%b6%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87-RAWlZrsQMj\">\u6df1\u5165\u63a2\u7d22\u5b89\u5353\u81ea\u5e36\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u79fb\u52d5\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u7ba1\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u4e00\u74b0\u3002\u5b89\u5353\u7cfb\u7d71\u63d0\u4f9b\u4e86\u4e00\u500b\u5167\u5efa\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u9ad8\u6548\u5730\u5b58\u5132\u548c\u7ba1\u7406\u61c9\u7528\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5b89\u5353\u81ea\u5e36\u7684\u6578\u64da\u5eab\uff0c\u7279\u5225\u662fSQLite\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u63d0\u5347\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsqlite%ef%bc%9f-RAWlZrsQMj\">\u4ec0\u9ebc\u662fSQLite\uff1f<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5b89\u5353\u5e73\u53f0\u3002\u5b83\u7684\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7121\u9700\u5b89\u88dd\uff1aSQLite\u662f\u5167\u5efa\u65bc\u5b89\u5353\u7cfb\u7d71\u4e2d\u7684\uff0c\u958b\u767c\u8005\u7121\u9700\u984d\u5916\u5b89\u88dd\u4efb\u4f55\u6578\u64da\u5eab\u670d\u52d9\u5668\u3002<\/li>\n<li>\u8f15\u91cf\u7d1a\uff1aSQLite\u7684\u9ad4\u7a4d\u5c0f\uff0c\u9069\u5408\u79fb\u52d5\u8a2d\u5099\u4f7f\u7528\u3002<\/li>\n<li>\u652f\u6301ACID\uff1aSQLite\u652f\u6301\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u548c\u6301\u4e45\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8%e5%ae%89%e5%8d%93%e4%b8%ad%e4%bd%bf%e7%94%a8sqlite-RAWlZrsQMj\">\u5982\u4f55\u5728\u5b89\u5353\u4e2d\u4f7f\u7528SQLite<\/h2>\n<p>\u5728\u5b89\u5353\u4e2d\u4f7f\u7528SQLite\uff0c\u958b\u767c\u8005\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-RAWlZrsQMj\">1. \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u958b\u767c\u8005\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u3002\u9019\u53ef\u4ee5\u901a\u904e\u64f4\u5c55SQLiteOpenHelper\u985e\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>public class MyDatabaseHelper extends SQLiteOpenHelper {\n    private static final String DATABASE_NAME = \"mydatabase.db\";\n    private static final int DATABASE_VERSION = 1;\n\n    public MyDatabaseHelper(Context context) {\n        super(context, DATABASE_NAME, null, DATABASE_VERSION);\n    }\n\n    @Override\n    public void onCreate(SQLiteDatabase db) {\n        String createTable = \"CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT, age INTEGER)\";\n        db.execSQL(createTable);\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<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-RAWlZrsQMj\">2. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\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}<\/code><\/pre>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-RAWlZrsQMj\">3. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662f\u6578\u64da\u7ba1\u7406\u4e2d\u6700\u5e38\u898b\u7684\u64cd\u4f5c\u4e4b\u4e00\uff1a<\/p>\n<pre><code>public Cursor getAllUsers() {\n    SQLiteDatabase db = this.getReadableDatabase();\n    return db.rawQuery(\"SELECT * FROM users\", null);\n}<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-RAWlZrsQMj\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528SQLite\u6642\uff0c\u958b\u767c\u8005\u61c9\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u63d0\u5347\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7570\u6b65\u64cd\u4f5c\uff1a<\/strong>\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><strong>\u9069\u7576\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u5c0d\u65bc\u7d93\u5e38\u67e5\u8a62\u7684\u5b57\u6bb5\uff0c\u8003\u616e\u6dfb\u52a0\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-RAWlZrsQMj\">\u7d50\u8ad6<\/h2>\n<p>\u5b89\u5353\u81ea\u5e36\u7684SQLite\u6578\u64da\u5eab\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u3001\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u6b63\u78ba\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u61c9\u7528\u7684\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002\u7121\u8ad6\u662f\u5275\u5efa\u6578\u64da\u5eab\u3001\u63d2\u5165\u6578\u64da\u9084\u662f\u67e5\u8a62\u6578\u64da\uff0cSQLite\u90fd\u80fd\u5920\u6eff\u8db3\u5927\u591a\u6578\u61c9\u7528\u7684\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u96f2\u7aef\u74b0\u5883\u4e2d\u9032\u884c\u6578\u64da\u7ba1\u7406\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7d22\u5b89\u5353\u81ea\u5e36\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u638c\u63e1\u6578\u64da\u5b58\u5132\u8207\u64cd\u4f5c\u6280\u5de7\uff0c\u512a\u5316\u61c9\u7528\u6027\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-182034","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182034","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=182034"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182034\/revisions"}],"predecessor-version":[{"id":182035,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182034\/revisions\/182035"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}