{"id":27998,"date":"2024-03-18T16:11:53","date_gmt":"2024-03-18T07:11:53","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e8%a4%87%e6%95%b0%e3%81%aemysql%e3%83%8e%e3%83%bc%e3%83%89%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7\/"},"modified":"2024-03-22T17:32:32","modified_gmt":"2024-03-22T08:32:32","slug":"jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e8%a4%87%e6%95%b0%e3%81%aemysql%e3%83%8e%e3%83%bc%e3%83%89%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7","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%a6%e8%a4%87%e6%95%b0%e3%81%aemysql%e3%83%8e%e3%83%bc%e3%83%89%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7\/","title":{"rendered":"jdbc\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306eMySQL\u30ce\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>MySQL\u30ce\u30fc\u30c9\u3092\u8907\u6570\u69cb\u6210\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a1. JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\uff1a\u307e\u305a\u3001MySQL\u306eJDBC\u30c9\u30e9\u30a4\u30d0\uff08\u4f8b\uff1amysql-connector-java.jar\uff09\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u30022. \u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u4f5c\u6210\uff1a\u30b3\u30fc\u30c9\u5185\u3067\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5404\u63a5\u7d9a\u306f1\u3064\u306eMySQL\u30ce\u30fc\u30c9\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u30023. \u63a5\u7d9a\u60c5\u5831\u306e\u8a2d\u5b9a\uff1a\u5404\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306b\u5bfe\u3057\u3066\u3001\u30db\u30b9\u30c8\u540d\u3001\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069\u306e\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u30024. \u63a5\u7d9a\u306e\u78ba\u7acb\uff1aJava\u306eJDBC API\u3092\u4f7f\u7528\u3057\u3066\u3001`DriverManager.getConnection()`\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002\u63a5\u7d9a\u60c5\u5831\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u8907\u6570\u306eMySQL\u30ce\u30fc\u30c9\u3092\u69cb\u6210\u3057\u3066\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\">import\u00a0java.sql.Connection;\r\nimport\u00a0java.sql.DriverManager;\r\nimport\u00a0java.sql.SQLException;\r\npublic\u00a0class\u00a0MySQLConnection\u00a0{<\/pre>\n<p>public\u00a0static\u00a0void\u00a0main(String[]\u00a0args)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>Connection\u00a0connection1\u00a0=\u00a0null;<\/p>\n<p>&nbsp;<\/p>\n<p>Connection\u00a0connection2\u00a0=\u00a0null;<\/p>\n<p>&nbsp;<\/p>\n<p>try\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u6ce8\u518c\u9a71\u52a8\u7a0b\u5e8f<\/p>\n<p>&nbsp;<\/p>\n<p>Class.forName(\u201ccom.mysql.jdbc.Driver\u201d);<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u8fde\u63a5\u4fe1\u606f1<\/p>\n<p>&nbsp;<\/p>\n<p>String\u00a0url1\u00a0=\u00a0\u201cjdbc:mysql:\/\/localhost:3306\/database1\u201d;<\/p>\n<p>&nbsp;<\/p>\n<p>String\u00a0username1\u00a0=\u00a0\u201cuser1\u201d;<\/p>\n<p>&nbsp;<\/p>\n<p>String\u00a0password1\u00a0=\u00a0\u201cpassword1\u201d;<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u8fde\u63a5\u4fe1\u606f2<\/p>\n<p>&nbsp;<\/p>\n<p>String\u00a0url2\u00a0=\u00a0\u201cjdbc:mysql:\/\/localhost:3306\/database2\u201d;<\/p>\n<p>&nbsp;<\/p>\n<p>String\u00a0username2\u00a0=\u00a0\u201cuser2\u201d;<\/p>\n<p>&nbsp;<\/p>\n<p>String\u00a0password2\u00a0=\u00a0\u201cpassword2\u201d;<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u5efa\u7acb\u8fde\u63a51<\/p>\n<p>&nbsp;<\/p>\n<p>connection1\u00a0=\u00a0DriverManager.getConnection(url1,\u00a0username1,\u00a0password1);<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u5efa\u7acb\u8fde\u63a52<\/p>\n<p>&nbsp;<\/p>\n<p>connection2\u00a0=\u00a0DriverManager.getConnection(url2,\u00a0username2,\u00a0password2);<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u4f7f\u7528\u8fde\u63a51\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u2026<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u4f7f\u7528\u8fde\u63a52\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c<\/p>\n<p>&nbsp;<\/p>\n<p>\/\/\u00a0\u2026<\/p>\n<p>&nbsp;<\/p>\n<p>}\u00a0catch\u00a0(ClassNotFoundException\u00a0e)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>e.printStackTrace();<\/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>}\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(connection1\u00a0!=\u00a0null)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>connection1.close();<\/p>\n<p>&nbsp;<\/p>\n<p>}<\/p>\n<p>&nbsp;<\/p>\n<p>if\u00a0(connection2\u00a0!=\u00a0null)\u00a0{<\/p>\n<p>&nbsp;<\/p>\n<p>connection2.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>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u30012\u3064\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\uff08connection1\u3068connection2\uff09\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u308c\u305e\u308c2\u3064\u306eMySQL\u30ce\u30fc\u30c9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u5bfe\u5fdc\u3059\u308b\u63a5\u7d9a\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u30ce\u30fc\u30c9\u3092\u8907\u6570\u69cb\u6210\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a1. JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\uff1a\u307e\u305a\u3001MySQL\u306eJDBC\u30c9\u30e9\u30a4\u30d0\uff08\u4f8b\uff1amysql-connector-java.jar\uff09\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u30a4\u30f3\u30dd [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27998","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\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306eMySQL\u30ce\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f - 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\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306emysql\u30ce\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\/\" \/>\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\u3066\u8907\u6570\u306eMySQL\u30ce\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f\" \/>\n<meta property=\"og:description\" content=\"MySQL\u30ce\u30fc\u30c9\u3092\u8907\u6570\u69cb\u6210\u3059\u308b\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a1. JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\uff1a\u307e\u305a\u3001MySQL\u306eJDBC\u30c9\u30e9\u30a4\u30d0\uff08\u4f8b\uff1amysql-connector-java.jar\uff09\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u30a4\u30f3\u30dd [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306emysql\u30ce\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-18T07:11:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T08:32:32+00:00\" \/>\n<meta name=\"author\" content=\"\u967d, \u5411\u5b87\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u967d, \u5411\u5b87\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e8%a4%87%e6%95%b0%e3%81%aemysql%e3%83%8e%e3%83%bc%e3%83%89%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/jdbc%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e8%a4%87%e6%95%b0%e3%81%aemysql%e3%83%8e%e3%83%bc%e3%83%89%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7\/\",\"name\":\"jdbc\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306eMySQL\u30ce\u30fc\u30c9\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f - 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