{"id":29737,"date":"2024-03-18T22:08:56","date_gmt":"2024-03-18T13:08:56","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%81%a7%e3%81%ae%e3%82%b3%e3%83%9f%e3%83%83%e3%83%88%e6%a9%9f%e8%83%bd%e3%81%ae%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/"},"modified":"2024-03-22T21:41:39","modified_gmt":"2024-03-22T12:41:39","slug":"jdbc%e3%81%a7%e3%81%ae%e3%82%b3%e3%83%9f%e3%83%83%e3%83%88%e6%a9%9f%e8%83%bd%e3%81%ae%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%81%a7%e3%81%ae%e3%82%b3%e3%83%9f%e3%83%83%e3%83%88%e6%a9%9f%e8%83%bd%e3%81%ae%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/","title":{"rendered":"jdbc\u3067\u306e\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002"},"content":{"rendered":"<p>JDBC\u306b\u304a\u3044\u3066\u3001\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u304c\u3042\u308a\u307e\u3059\uff1a1. \u307e\u305a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u304f\u3060\u3055\u3044\u3002`java.sql.DriverManager`\u30af\u30e9\u30b9\u306e`getConnection()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30022. \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u30e2\u30fc\u30c9\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001JDBC\u63a5\u7d9a\u306f\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u30e2\u30fc\u30c9\u306b\u3042\u308a\u3001\u3064\u307e\u308a\u5404SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5b9f\u884c\u5f8c\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3059\u3050\u306b\u30b3\u30df\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002\u624b\u52d5\u3067\u30b3\u30df\u30c3\u30c8\u3092\u5236\u5fa1\u3057\u305f\u3044\u5834\u5408\u306f\u3001`setAutoCommit(false)`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u30e2\u30fc\u30c9\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30023. SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002`java.sql.Statement`\u307e\u305f\u306f`java.sql.PreparedStatement`\u30af\u30e9\u30b9\u306e`executeUpdate()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u30024. \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30b3\u30df\u30c3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3059\u3079\u3066\u306eSQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5b9f\u884c\u304c\u5b8c\u4e86\u3057\u305f\u5f8c\u3001`commit()`\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30b3\u30df\u30c3\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u30025. \u63a5\u7d9a\u3092\u30af\u30ed\u30fc\u30ba\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30b3\u30df\u30c3\u30c8\u3057\u305f\u5f8c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u30af\u30ed\u30fc\u30ba\u3057\u3066\u304f\u3060\u3055\u3044\u3002`java.sql.Connection`\u306e`close()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3092\u30af\u30ed\u30fc\u30ba\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001JDBC\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">import\u00a0java.sql.Connection;\r\nimport\u00a0java.sql.DriverManager;\r\nimport\u00a0java.sql.SQLException;\r\nimport\u00a0java.sql.Statement;\r\npublic\u00a0class\u00a0JdbcExample\u00a0{<\/pre>\n<p>public\u00a0static\u00a0void\u00a0main(String[]\u00a0args)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>Connection\u00a0connection\u00a0=\u00a0null;<\/p>\n<p>&nbsp;<\/p>\n<p>Statement\u00a0statement\u00a0=\u00a0null;<\/p>\n<p>&nbsp;<\/p>\n<p>try\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5<\/p>\n<p>&nbsp;<\/p>\n<p>connection\u00a0=\u00a0DriverManager.getConnection(\u201cjdbc:mysql:\/\/localhost:3306\/mydatabase\u201d,<\/p>\n<p>&nbsp;<\/p>\n<p>\u201cusername\u201d,\u00a0\u201cpassword\u201d);<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u5173\u95ed\u81ea\u52a8\u63d0\u4ea4\u6a21\u5f0f<\/p>\n<p>&nbsp;<\/p>\n<p>connection.setAutoCommit(false);<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u6267\u884cSQL\u8bed\u53e5<\/p>\n<p>&nbsp;<\/p>\n<p>statement\u00a0=\u00a0connection.createStatement();<\/p>\n<p>&nbsp;<\/p>\n<p>statement.executeUpdate(&#8220;INSERT\u00a0INTO\u00a0mytable\u00a0(column1,\u00a0column2)\u00a0VALUES\u00a0(&#8216;value1&#8217;,<\/p>\n<p>&nbsp;<\/p>\n<p>&#8216;value2&#8217;)&#8221;);<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u63d0\u4ea4\u4e8b\u52a1<\/p>\n<p>&nbsp;<\/p>\n<p>connection.commit();<\/p>\n<p>&nbsp;<\/p>\n<p>}\u00a0catch\u00a0(SQLException\u00a0e)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u53d1\u751f\u5f02\u5e38\u65f6\u56de\u6eda\u4e8b\u52a1<\/p>\n<p>&nbsp;<\/p>\n<p>try\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>if\u00a0(connection\u00a0!=\u00a0null)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>connection.rollback();<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>}\u00a0catch\u00a0(SQLException\u00a0e1)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>e1.printStackTrace();<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>e.printStackTrace();<\/p>\n<p>&nbsp;<\/p>\n<p>}\u00a0finally\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u5173\u95ed\u8fde\u63a5<\/p>\n<p>&nbsp;<\/p>\n<p>try\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>if\u00a0(statement\u00a0!=\u00a0null)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>statement.close();<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>if\u00a0(connection\u00a0!=\u00a0null)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>connection.close();<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>}\u00a0catch\u00a0(SQLException\u00a0e)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>e.printStackTrace();<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>} }<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>SQL\u6587\u306e\u5b9f\u884c\u4e2d\u3084\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30b3\u30df\u30c3\u30c8\u4e2d\u306b\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u3066\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JDBC\u306b\u304a\u3044\u3066\u3001\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u304c\u3042\u308a\u307e\u3059\uff1a1. \u307e\u305a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u304f\u3060\u3055\u3044\u3002`java.sql.DriverManager`\u30af\u30e9\u30b9\u306e`getConnection()`\u30e1\u30bd\u30c3\u30c9\u3092 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-29737","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>jdbc\u3067\u306e\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002 - Blog - Silicon Cloud<\/title>\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\u3067\u306e\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"jdbc\u3067\u306e\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\" \/>\n<meta property=\"og:description\" content=\"JDBC\u306b\u304a\u3044\u3066\u3001\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u304c\u3042\u308a\u307e\u3059\uff1a1. \u307e\u305a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3066\u304f\u3060\u3055\u3044\u3002`java.sql.DriverManager`\u30af\u30e9\u30b9\u306e`getConnection()`\u30e1\u30bd\u30c3\u30c9\u3092 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc\u3067\u306e\u30b3\u30df\u30c3\u30c8\u6a5f\u80fd\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta 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