{"id":150709,"date":"2024-11-01T16:35:22","date_gmt":"2024-11-01T08:35:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/150709\/"},"modified":"2024-11-01T16:35:22","modified_gmt":"2024-11-01T08:35:22","slug":"%e5%ae%89%e5%8d%93%e6%89%8b%e6%a9%9f%e6%95%b8%e6%93%9a%e5%ba%ab%e7%a9%bf%e9%80%8f%e6%94%bb%e7%95%a5-%e5%ae%89%e5%8d%93%e6%89%8b%e6%a9%9f%e5%a6%82%e4%bd%95%e7%a9%bf%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/150709\/","title":{"rendered":"\u5b89\u5353\u624b\u6a5f\u6578\u64da\u5eab\u7a7f\u900f\u653b\u7565 (\u5b89\u5353\u624b\u6a5f\u5982\u4f55\u7a7f\u6578\u64da\u5eab)"},"content":{"rendered":"

\u5b89\u5353\u624b\u6a5f\u6578\u64da\u5eab\u7a7f\u900f\u653b\u7565 (\u5b89\u5353\u624b\u6a5f\u5982\u4f55\u7a7f\u6578\u64da\u5eab)<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u5b89\u5353\u624b\u6a5f\u5df2\u7d93\u6210\u70ba\u4eba\u5011\u65e5\u5e38\u751f\u6d3b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5f0f\u7684\u666e\u53ca\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u4e5f\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5b89\u5353\u624b\u6a5f\u5982\u4f55\u6709\u6548\u5730\u7a7f\u900f\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u7bc4\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u7a7f\u900f\uff1f<\/h2>\n

\u6578\u64da\u5eab\u7a7f\u900f\u662f\u6307\u901a\u904e\u7279\u5b9a\u7684\u6280\u8853\u624b\u6bb5\uff0c\u5f9e\u4e00\u500b\u7cfb\u7d71\u6216\u61c9\u7528\u7a0b\u5f0f\u4e2d\u7372\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u4fe1\u606f\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230\u5c0d\u6578\u64da\u5eab\u7684\u67e5\u8a62\u3001\u64cd\u4f5c\u548c\u7ba1\u7406\u3002\u5c0d\u65bc\u5b89\u5353\u624b\u6a5f\u4f86\u8aaa\uff0c\u9019\u4e00\u904e\u7a0b\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff0c\u5305\u62ec\u4f7f\u7528API\u3001SQL\u67e5\u8a62\u7b49\u3002<\/p>\n

\u5b89\u5353\u624b\u6a5f\u5982\u4f55\u9032\u884c\u6578\u64da\u5eab\u7a7f\u900f<\/h2>\n

1. \u4f7f\u7528SQLite\u6578\u64da\u5eab<\/h3>\n

\u5b89\u5353\u7cfb\u7d71\u5167\u5efa\u4e86SQLite\u6578\u64da\u5eab\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728\u5b89\u5353\u61c9\u7528\u4e2d\u4f7f\u7528SQLite\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

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 CREATE_TABLE = \"CREATE TABLE my_table (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 my_table\");\n        onCreate(db);\n    }\n}\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u201cmy_table\u201d\u7684\u8868\uff0c\u4e26\u5b9a\u7fa9\u4e86\u5176\u7d50\u69cb\u3002\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\u4f86\u7ba1\u7406\u61c9\u7528\u4e2d\u7684\u6578\u64da\u3002<\/p>\n
2. \u4f7f\u7528ContentProvider<\/h3>\n
ContentProvider\u662f\u4e00\u7a2e\u5b89\u5353\u7d44\u4ef6\uff0c\u5141\u8a31\u61c9\u7528\u4e4b\u9593\u5171\u4eab\u6578\u64da\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5f9e\u5176\u4ed6\u61c9\u7528\u4e2d\u7372\u53d6\u6578\u64da\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528ContentProvider\u7684\u57fa\u672c\u7bc4\u4f8b\uff1a<\/p>\n
public class MyContentProvider extends ContentProvider {\n    @Override\n    public Uri insert(Uri uri, ContentValues values) {\n        \/\/ \u5be6\u73fe\u63d2\u5165\u6578\u64da\u7684\u908f\u8f2f\n        return uri;\n    }\n\n    @Override\n    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {\n        \/\/ \u5be6\u73fe\u67e5\u8a62\u6578\u64da\u7684\u908f\u8f2f\n        return cursor;\n    }\n}\n<\/code><\/pre>\n
\u901a\u904e\u5be6\u73feContentProvider\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u5176\u4ed6\u61c9\u7528\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u9032\u800c\u5be6\u73fe\u6578\u64da\u5eab\u7684\u7a7f\u900f\u3002<\/p>\n
3. \u4f7f\u7528RESTful API<\/h3>\n
\u8a31\u591a\u73fe\u4ee3\u61c9\u7528\u7a0b\u5f0f\u4f7f\u7528RESTful API\u4f86\u8207\u5f8c\u7aef\u670d\u52d9\u9032\u884c\u901a\u4fe1\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u53ef\u4ee5\u7372\u53d6\u6578\u64da\uff0c\u9084\u53ef\u4ee5\u9032\u884c\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684HTTP\u8acb\u6c42\u7bc4\u4f8b\uff1a<\/p>\n
String url = \"https:\/\/api.example.com\/data\";\nRequestQueue queue = Volley.newRequestQueue(this);\nStringRequest stringRequest = new StringRequest(Request.Method.GET, url,\n    new Response.Listener() {\n        @Override\n        public void onResponse(String response) {\n            \/\/ \u8655\u7406\u8fd4\u56de\u7684\u6578\u64da\n        }\n    }, new Response.ErrorListener() {\n        @Override\n        public void onErrorResponse(VolleyError error) {\n            \/\/ \u8655\u7406\u932f\u8aa4\n        }\n    });\nqueue.add(stringRequest);\n<\/code><\/pre>\n
\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u9060\u7aef\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u5be6\u73fe\u6578\u64da\u7684\u7a7f\u900f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5b89\u5353\u624b\u6a5f\u7684\u6578\u64da\u5eab\u7a7f\u900f\u6280\u8853\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u7121\u8ad6\u662f\u4f7f\u7528SQLite\u3001ContentProvider\u9084\u662fRESTful API\uff0c\u90fd\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u548c\u7372\u53d6\u6578\u64da\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u9019\u4e9b\u65b9\u6cd5\u5c07\u6703\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u4fbf\u6377\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u96f2\u7aef\u74b0\u5883\u4e2d\u7ba1\u7406\u6578\u64da\u5eab\u6709\u8208\u8da3\uff0c\u5efa\u8b70\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u9999\u6e2fVPS<\/a>\u548c\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\u548c\u6578\u64da\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5b89\u5353\u624b\u6a5f\u6578\u64da\u5eab\u7a7f\u900f\u653b\u7565\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u8a2a\u554f\u548c\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\u624b\u6a5f\u61c9\u7528\u6027\u80fd\u8207\u5b89\u5168\u6027\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-150709","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/150709","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=150709"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/150709\/revisions"}],"predecessor-version":[{"id":150710,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/150709\/revisions\/150710"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=150709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=150709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=150709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}