{"id":60191,"date":"2024-10-13T00:48:18","date_gmt":"2024-10-12T16:48:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60191\/"},"modified":"2024-10-13T00:48:18","modified_gmt":"2024-10-12T16:48:18","slug":"c%e8%aa%9e%e8%a8%80%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e6%8c%87%e5%8d%97-c%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60191\/","title":{"rendered":"C\u8a9e\u8a00\u6578\u64da\u5eab\u958b\u767c\u6307\u5357 (c\u6578\u64da\u5eab\u958b\u767c)"},"content":{"rendered":"<h1 id=\"c%e8%aa%9e%e8%a8%80%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e6%8c%87%e5%8d%97-c%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc-FPCSFgAxAv\">C\u8a9e\u8a00\u6578\u64da\u5eab\u958b\u767c\u6307\u5357 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id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-FPCSFgAxAv\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u958b\u59cb\u4f7f\u7528C\u8a9e\u8a00\u9032\u884c\u6578\u64da\u5eab\u958b\u767c\u4e4b\u524d\uff0c\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u7684\u6578\u64da\u5eab\u6982\u5ff5\u662f\u975e\u5e38\u91cd\u8981\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09<\/strong>\uff1a\u9019\u662f\u4e00\u7a2e\u8edf\u9ad4\u7cfb\u7d71\uff0c\u7528\u65bc\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u5e38\u898b\u7684DBMS\u5305\u62ecMySQL\u3001PostgreSQL\u548cSQLite\u3002<\/li>\n<li><strong>SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09<\/strong>\uff1a\u9019\u662f\u4e00\u7a2e\u7528\u65bc\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u8a9e\u8a00\u3002C\u8a9e\u8a00\u958b\u767c\u8005\u901a\u5e38\u9700\u8981\u4f7f\u7528SQL\u4f86\u57f7\u884c\u67e5\u8a62\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u6a21\u578b<\/strong>\uff1a\u9019\u662f\u6578\u64da\u7684\u7d44\u7e54\u65b9\u5f0f\uff0c\u5e38\u898b\u7684\u6578\u64da\u6a21\u578b\u5305\u62ec\u95dc\u4fc2\u6a21\u578b\u548c\u6587\u6a94\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-FPCSFgAxAv\">\u4f7f\u7528C\u8a9e\u8a00\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u5728C\u8a9e\u8a00\u4e2d\uff0c\u9023\u63a5\u6578\u64da\u5eab\u901a\u5e38\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SQLite\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n#include &lt;stdio.h&gt;\n#include &lt;sqlite3.h&gt;\n\nint main() {\n    sqlite3 *db;\n    char *errMsg = 0;\n\n    \/\/ \u6253\u958b\u6578\u64da\u5eab\n    if (sqlite3_open(\"test.db\", &amp;db)) {\n        fprintf(stderr, \"\u7121\u6cd5\u6253\u958b\u6578\u64da\u5eab: %sn\", sqlite3_errmsg(db));\n        return 1;\n    }\n\n    \/\/ \u57f7\u884cSQL\u8a9e\u53e5\n    const char *sql = \"CREATE TABLE IF NOT EXISTS Users (ID INT PRIMARY KEY NOT NULL, Name TEXT NOT NULL);\";\n    if (sqlite3_exec(db, sql, 0, 0, &amp;errMsg) != SQLITE_OK) {\n        fprintf(stderr, \"SQL\u932f\u8aa4: %sn\", errMsg);\n        sqlite3_free(errMsg);\n    }\n\n    \/\/ \u95dc\u9589\u6578\u64da\u5eab\n    sqlite3_close(db);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u6253\u958b\u4e00\u500bSQLite\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u57f7\u884c\u4e00\u500bSQL\u8a9e\u53e5\u4f86\u5275\u5efa\u4e00\u500b\u7528\u6236\u8868\u3002\u6700\u5f8c\uff0c\u6211\u5011\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-FPCSFgAxAv\">\u8655\u7406\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u8655\u7406\u6578\u64da\u901a\u5e38\u6d89\u53ca\u5230\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\uff08CRUD\uff09\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nconst char *insertSQL = \"INSERT INTO Users (ID, Name) VALUES (1, 'Alice');\";\nif (sqlite3_exec(db, insertSQL, 0, 0, &amp;errMsg) != SQLITE_OK) {\n    fprintf(stderr, \"\u63d2\u5165\u932f\u8aa4: %sn\", errMsg);\n    sqlite3_free(errMsg);\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u4e00\u689d\u65b0\u8a18\u9304\u63d2\u5165\u5230Users\u8868\u4e2d\u3002\u985e\u4f3c\u5730\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u76f8\u61c9\u7684SQL\u8a9e\u53e5\u4f86\u57f7\u884c\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FPCSFgAxAv\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528C\u8a9e\u8a00\u9032\u884c\u6578\u64da\u5eab\u958b\u767c\u96d6\u7136\u4e0d\u5982\u5176\u4ed6\u9ad8\u7d1a\u8a9e\u8a00\u90a3\u6a23\u666e\u904d\uff0c\u4f46\u5176\u9ad8\u6548\u6027\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u5728\u7279\u5b9a\u5834\u666f\u4e2d\u4ecd\u7136\u5177\u6709\u512a\u52e2\u3002\u901a\u904e\u4e86\u89e3\u57fa\u672c\u7684\u6578\u64da\u5eab\u6982\u5ff5\u548c\u4f7f\u7528\u76f8\u61c9\u7684\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u5728C\u8a9e\u8a00\u4e2d\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u958b\u767c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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