{"id":58453,"date":"2024-10-12T20:46:14","date_gmt":"2024-10-12T12:46:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58453\/"},"modified":"2024-10-12T20:46:14","modified_gmt":"2024-10-12T12:46:14","slug":"android%e6%95%b8%e6%93%9a%e5%ba%ab%e8%b7%af%e5%be%91%e9%80%a3%e6%8e%a5%e8%a9%b3%e8%a7%a3-%e9%80%a3%e6%8e%a5-android-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58453\/","title":{"rendered":"Android\u6578\u64da\u5eab\u8def\u5f91\u9023\u63a5\u8a73\u89e3 (\u9023\u63a5 android \u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91)"},"content":{"rendered":"<h1 id=\"android%e6%95%b8%e6%93%9a%e5%ba%ab%e8%b7%af%e5%be%91%e9%80%a3%e6%8e%a5%e8%a9%b3%e8%a7%a3-%e9%80%a3%e6%8e%a5-android-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91-GMMxeAODpJ\">Android\u6578\u64da\u5eab\u8def\u5f91\u9023\u63a5\u8a73\u89e3 (\u9023\u63a5 android \u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91)<\/h1>\n<p>\u5728Android\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u662f\u975e\u5e38\u666e\u904d\u7684\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5b58\u5132\u548c\u7ba1\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002Android\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5eab\u9078\u64c7\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fSQLite\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u9023\u63a5Android\u6578\u64da\u5eab\u6587\u4ef6\u8def\u5f91\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsqlite%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-GMMxeAODpJ\">\u4ec0\u9ebc\u662fSQLite\u6578\u64da\u5eab\uff1f<\/h2>\n<p>SQLite\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u79fb\u52d5\u8a2d\u5099\u4e0a\u3002\u5b83\u7684\u7279\u9ede\u662f\u7121\u9700\u5b89\u88dd\uff0c\u6578\u64da\u5eab\u6587\u4ef6\u53ef\u4ee5\u76f4\u63a5\u5b58\u5132\u5728\u8a2d\u5099\u7684\u6587\u4ef6\u7cfb\u7d71\u4e2d\u3002\u9019\u4f7f\u5f97SQLite\u6210\u70baAndroid\u61c9\u7528\u4e2d\u6700\u5e38\u7528\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"android%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91-GMMxeAODpJ\">Android\u6578\u64da\u5eab\u7684\u6587\u4ef6\u8def\u5f91<\/h2>\n<p>\u5728Android\u4e2d\uff0c\u6578\u64da\u5eab\u6587\u4ef6\u7684\u8def\u5f91\u901a\u5e38\u4f4d\u65bc\u61c9\u7528\u7684\u5167\u90e8\u5b58\u5132\u4e2d\u3002\u5177\u9ad4\u8def\u5f91\u70ba\uff1a<\/p>\n<pre><code>\/data\/data\/\/databases\/\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c\u662f\u61c9\u7528\u7684\u552f\u4e00\u6a19\u8b58\u7b26\uff0c\u662f\u4f60\u6240\u5275\u5efa\u7684SQLite\u6578\u64da\u5eab\u7684\u540d\u7a31\u3002\u9019\u500b\u8def\u5f91\u662f\u61c9\u7528\u79c1\u6709\u7684\uff0c\u5176\u4ed6\u61c9\u7528\u7121\u6cd5\u8a2a\u554f\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e5%92%8c%e9%80%a3%e6%8e%a5sqlite%e6%95%b8%e6%93%9a%e5%ba%ab-GMMxeAODpJ\">\u5982\u4f55\u5275\u5efa\u548c\u9023\u63a5SQLite\u6578\u64da\u5eab<\/h2>\n<p>\u5728Android\u4e2d\u5275\u5efa\u548c\u9023\u63a5SQLite\u6578\u64da\u5eab\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b9%ab%e5%8a%a9%e9%a1%9e-GMMxeAODpJ\">1. \u5275\u5efa\u6578\u64da\u5eab\u5e6b\u52a9\u985e<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u7e7c\u627f\u81eaSQLiteOpenHelper\u7684\u985e\uff0c\u9019\u6a23\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u6578\u64da\u5eab\u7684\u5275\u5efa\u548c\u7248\u672c\u7ba1\u7406\u3002<\/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 mytable (id INTEGER PRIMARY KEY, name TEXT)\";\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 mytable\");\n        onCreate(db);\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-GMMxeAODpJ\">2. \u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u6d3b\u52d5\u6216\u7247\u6bb5\u4e2d\u5275\u5efaDatabaseHelper\u7684\u5be6\u4f8b\uff0c\u4e26\u901a\u904e\u5b83\u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u8b80\u53d6\u548c\u5beb\u5165\u5be6\u4f8b\u3002<\/p>\n<pre><code>DatabaseHelper dbHelper = new DatabaseHelper(this);\nSQLiteDatabase db = dbHelper.getWritableDatabase();\n<\/code><\/pre>\n<h3 id=\"3-%e5%9f%b7%e8%a1%8c%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-GMMxeAODpJ\">3. \u57f7\u884c\u6578\u64da\u64cd\u4f5c<\/h3>\n<p>\u4e00\u65e6\u7372\u5f97\u6578\u64da\u5eab\u5be6\u4f8b\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u57f7\u884c\u5404\u7a2e\u6578\u64da\u64cd\u4f5c\uff0c\u4f8b\u5982\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002<\/p>\n<pre><code>\/\/ \u63d2\u5165\u6578\u64da\nContentValues values = new ContentValues();\nvalues.put(\"name\", \"John Doe\");\ndb.insert(\"mytable\", null, values);\n\n\/\/ \u67e5\u8a62\u6578\u64da\nCursor cursor = db.query(\"mytable\", null, null, null, null, null, null);\nif (cursor.moveToFirst()) {\n    do {\n        String name = cursor.getString(cursor.getColumnIndex(\"name\"));\n        \/\/ \u8655\u7406\u6578\u64da\n    } while (cursor.moveToNext());\n}\ncursor.close();\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-GMMxeAODpJ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u5728\u4e3b\u7dda\u7a0b\u4e2d\u4e0d\u57f7\u884c\u9577\u6642\u9593\u904b\u884c\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u61c9\u7528\u5361\u9813\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528AsyncTask\u6216\u5176\u4ed6\u7570\u6b65\u8655\u7406\u65b9\u5f0f\u4f86\u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GMMxeAODpJ\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728Android\u4e2d\u9023\u63a5\u548c\u64cd\u4f5cSQLite\u6578\u64da\u5eab\uff0c\u5305\u62ec\u6578\u64da\u5eab\u7684\u5275\u5efa\u3001\u9023\u63a5\u53ca\u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u77e5\u8b58\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u61c9\u7528\u4e2d\u7684\u6578\u64da\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u53ca\u5176\u4ed6\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eAndroid\u6578\u64da\u5eab\u8def\u5f91\u9023\u63a5\uff0c\u63d0\u4f9b\u8a73\u7d30\u6b65\u9a5f\u8207\u6280\u5de7\uff0c\u52a9\u4f60\u8f15\u9b06\u9023\u63a5Android\u6578\u64da\u5eab\u6587\u4ef6\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-58453","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58453","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=58453"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58453\/revisions"}],"predecessor-version":[{"id":58454,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58453\/revisions\/58454"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}