{"id":12813,"date":"2024-03-15T17:18:25","date_gmt":"2024-03-15T08:18:25","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6mysql%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e8%a9%b3%e3%81%97%e3%81%8f%e8%aa%ac%e6%98%8e\/"},"modified":"2025-08-05T14:20:43","modified_gmt":"2025-08-05T05:20:43","slug":"jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6mysql%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e8%a9%b3%e3%81%97%e3%81%8f%e8%aa%ac%e6%98%8e","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6mysql%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6%e8%a9%b3%e3%81%97%e3%81%8f%e8%aa%ac%e6%98%8e\/","title":{"rendered":"JDBC\u3092\u4f7f\u7528\u3057\u3066MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002"},"content":{"rendered":"

JDBC\uff08Java Database Connectivity\uff09\u306f\u3001Java\u8a00\u8a9e\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001JDBC\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067MySQL\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

    \n
  1. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\uff1aClass.forName\uff08\u201ccom.mysql.jdbc.Driver\u201d\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001MySQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3092\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n
  2. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\uff1aDriverManager.getConnection(url, username, password)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u3001url\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u63a5\u7d9a\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308a\u3001username\u3068password\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u3059\u3002<\/li>\n
  3. Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\uff1aConnection.createStatement()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066Statement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n
  4. SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\uff1aStatement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306eexecuteQuery(sql)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066SQL\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3001executeUpdate(sql)\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066SQL\u66f4\u65b0\u6587\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n
  5. \u30af\u30a8\u30ea\u7d50\u679c\u306e\u51e6\u7406\uff1a\u30af\u30a8\u30ea\u7d50\u679c\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u3001ResultSet\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u3001ResultSet.next()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u8d70\u67fb\u3057\u3001ResultSet.getString()\u3001GetInt()\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a3\u30fc\u30eb\u30c9\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n
  6. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u9589\u3058\u308b\u306b\u306f\u3001Connection.close()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u8fde\u63a5MySQL\u6570\u636e\u5e93\u5e76\u6267\u884c\u67e5\u8be2\u8bed\u53e5\uff1a<\/p>\n

    import java.sql.*;\r\n\r\npublic class JDBCExample {\r\n    public static void main(String[] args) {\r\n        try {\r\n            \/\/ \u52a0\u8f7d\u6570\u636e\u5e93\u9a71\u52a8\r\n            Class.forName(\"com.mysql.jdbc.Driver\");\r\n\r\n            \/\/ \u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\r\n            String url = \"jdbc:mysql:\/\/localhost:3306\/mydb\";\r\n            String username = \"root\";\r\n            String password = \"root\";\r\n            Connection conn = DriverManager.getConnection(url, username, password);\r\n\r\n            \/\/ \u521b\u5efaStatement\u5bf9\u8c61\r\n            Statement stmt = conn.createStatement();\r\n\r\n            \/\/ \u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5\r\n            String sql = \"SELECT * FROM users\";\r\n            ResultSet rs = stmt.executeQuery(sql);\r\n\r\n            \/\/ \u5904\u7406\u67e5\u8be2\u7ed3\u679c\r\n            while (rs.next()) {\r\n                int id = rs.getInt(\"id\");\r\n                String name = rs.getString(\"name\");\r\n                System.out.println(\"id: \" + id + \", name: \" + name);\r\n            }\r\n\r\n            \/\/ \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\r\n            rs.close();\r\n            stmt.close();\r\n            conn.close();\r\n        } catch (Exception e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
    MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a73\u7d30\u306a\u624b\u9806\u3092\u793a\u3057\u307e\u3057\u305f\u3002\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u5834\u5408\u3082\u540c\u69d8\u3067\u3001\u5358\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c9\u30e9\u30a4\u30d0\u3068\u63a5\u7d9a\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    JDBC\uff08Java Database Connectivity\uff09\u306f\u3001Java\u8a00\u8a9e\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001JDBC\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067MySQL\u3092\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[14,26],"class_list":["post-12813","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-14","tag-26"],"yoast_head":"\nJDBC\u3092\u4f7f\u7528\u3057\u3066MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"JDBC\u3092\u4f7f\u7528\u3057\u3066MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc\u3092\u4f7f\u7528\u3057\u3066mysql\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JDBC\u3092\u4f7f\u7528\u3057\u3066MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:description\" content=\"JDBC\u3092\u4f7f\u7528\u3057\u3066MySQL\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc\u3092\u4f7f\u7528\u3057\u3066mysql\u306b\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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