{"id":58373,"date":"2024-10-12T20:12:16","date_gmt":"2024-10-12T12:12:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/58373\/"},"modified":"2024-10-12T20:12:17","modified_gmt":"2024-10-12T12:12:17","slug":"android-%e5%a6%82%e4%bd%95%e7%8d%b2%e5%8f%96-sqlite-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%b7%af%e5%be%91-android-%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%b7%af%e5%be%91","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/58373\/","title":{"rendered":"Android \u5982\u4f55\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91 (android \u7372\u53d6\u6578\u64da\u5eab\u8def\u5f91)"},"content":{"rendered":"<h1 id=\"android-%e5%a6%82%e4%bd%95%e7%8d%b2%e5%8f%96-sqlite-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%b7%af%e5%be%91-nuIxHFfasj\">Android \u5982\u4f55\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91<\/h1>\n<p>\u5728 Android \u958b\u767c\u4e2d\uff0cSQLite \u6578\u64da\u5eab\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u4e86\u89e3\u5982\u4f55\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u70ba\u9019\u53ef\u4ee5\u5e6b\u52a9\u4ed6\u5011\u9032\u884c\u6578\u64da\u7684\u5099\u4efd\u3001\u6062\u5fa9\u6216\u8abf\u8a66\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728 Android \u4e2d\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91\u3002<\/p>\n<h2 id=\"sqlite-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-nuIxHFfasj\">SQLite \u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>SQLite \u662f\u4e00\u7a2e\u81ea\u7d66\u81ea\u8db3\u7684\u3001\u7121\u4f3a\u670d\u5668\u7684\u3001\u96f6\u914d\u7f6e\u7684 SQL \u6578\u64da\u5eab\u5f15\u64ce\u3002\u5b83\u7684\u6578\u64da\u5eab\u6587\u4ef6\u901a\u5e38\u5b58\u5132\u5728\u61c9\u7528\u7684\u5167\u90e8\u5b58\u5132\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\u3002\u6bcf\u500b Android \u61c9\u7528\u90fd\u6709\u81ea\u5df1\u7684\u6578\u64da\u76ee\u9304\uff0c\u6578\u64da\u5eab\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc\u8a72\u76ee\u9304\u4e0b\u3002<\/p>\n<h2 id=\"%e7%8d%b2%e5%8f%96-sqlite-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%b7%af%e5%be%91%e7%9a%84%e6%96%b9%e6%b3%95-nuIxHFfasj\">\u7372\u53d6 SQLite \u6578\u64da\u5eab\u8def\u5f91\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728 Android \u4e2d\uff0c\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91\u901a\u5e38\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5be6\u73fe\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-context-%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%b7%af%e5%be%91-nuIxHFfasj\">1. \u4f7f\u7528 Context \u7372\u53d6\u6578\u64da\u5eab\u8def\u5f91<\/h3>\n<p>\u5728 Android \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u61c9\u7528\u7684 <code>Context<\/code> \u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u8def\u5f91\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        \/\/ \u5275\u5efa\u6578\u64da\u8868\n    }\n\n    @Override\n    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {\n        \/\/ \u5347\u7d1a\u6578\u64da\u8868\n    }\n\n    public String getDatabasePath() {\n        return context.getDatabasePath(DATABASE_NAME).getAbsolutePath();\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>DatabaseHelper<\/code> \u7684\u985e\uff0c\u4e26\u5728\u5176\u4e2d\u5b9a\u7fa9\u4e86\u4e00\u500b\u65b9\u6cd5 <code>getDatabasePath<\/code>\uff0c\u8a72\u65b9\u6cd5\u8fd4\u56de\u6578\u64da\u5eab\u7684\u7d55\u5c0d\u8def\u5f91\u3002<\/p>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e7%9a%84%e5%ae%8c%e6%95%b4%e8%b7%af%e5%be%91-nuIxHFfasj\">2. \u7372\u53d6\u6578\u64da\u5eab\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f91<\/h3>\n<p>\u9664\u4e86\u4f7f\u7528 <code>getDatabasePath<\/code> \u65b9\u6cd5\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 <code>getFilesDir<\/code> \u65b9\u6cd5\u4f86\u7372\u53d6\u61c9\u7528\u7684\u5167\u90e8\u5b58\u5132\u8def\u5f91\uff0c\u7136\u5f8c\u5c07\u6578\u64da\u5eab\u6587\u4ef6\u540d\u9644\u52a0\u5230\u8a72\u8def\u5f91\u4e0a\uff1a<\/p>\n<pre><code>public String getDatabaseFullPath() {\n    return context.getFilesDir().getAbsolutePath() + \"\/\" + DATABASE_NAME;\n}\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u5c31\u53ef\u4ee5\u7372\u5f97\u6578\u64da\u5eab\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f91\uff0c\u9019\u5c0d\u65bc\u9032\u884c\u6587\u4ef6\u64cd\u4f5c\uff08\u5982\u5099\u4efd\u6216\u6062\u5fa9\uff09\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-nuIxHFfasj\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u5728\u7372\u53d6\u6578\u64da\u5eab\u8def\u5f91\u4e4b\u524d\uff0c\u6578\u64da\u5eab\u5df2\u7d93\u88ab\u5275\u5efa\u3002<\/li>\n<li>\u5728 Android 10 \u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\uff0c\u61c9\u7528\u7684\u6578\u64da\u5b58\u5132\u8def\u5f91\u53d7\u5230\u66f4\u56b4\u683c\u7684\u9650\u5236\uff0c\u8acb\u9075\u5faa\u76f8\u95dc\u7684\u5b89\u5168\u6027\u548c\u96b1\u79c1\u653f\u7b56\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u5efa\u8b70\u4f7f\u7528\u7570\u6b65\u4efb\u52d9\uff0c\u4ee5\u907f\u514d\u963b\u585e\u4e3b\u7dda\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nuIxHFfasj\">\u7e3d\u7d50<\/h2>\n<p>\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91\u662f Android \u958b\u767c\u4e2d\u7684\u4e00\u500b\u57fa\u672c\u6280\u80fd\uff0c\u9019\u5c0d\u65bc\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 <code>Context<\/code> \u63d0\u4f9b\u7684\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6578\u64da\u5eab\u7684\u8def\u5f91\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u5132\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u80fd\u63d0\u5347\u6574\u9ad4\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5f8c\u7aef\u652f\u6301\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Android \u4e2d\u7372\u53d6 SQLite \u6578\u64da\u5eab\u7684\u8def\u5f91\uff0c\u7c21\u55ae\u6b65\u9a5f\u52a9\u4f60\u8f15\u9b06\u5b9a\u4f4d\u548c\u7ba1\u7406\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-58373","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58373","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=58373"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58373\/revisions"}],"predecessor-version":[{"id":58374,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/58373\/revisions\/58374"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=58373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=58373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=58373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}