{"id":20403,"date":"2024-03-16T14:13:30","date_gmt":"2024-03-16T05:13:30","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e9%85%8d%e5%88%97%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ab%e4%bf%9d%e5%ad%98%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2025-08-07T01:40:47","modified_gmt":"2025-08-06T16:40:47","slug":"java%e3%81%a7%e9%85%8d%e5%88%97%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ab%e4%bf%9d%e5%ad%98%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e9%85%8d%e5%88%97%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e3%82%92%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ab%e4%bf%9d%e5%ad%98%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java\u3067\u914d\u5217\u306e\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u306f\u3001Java\u306eJDBC\uff08Java Database Connectivity\uff09\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3057\u3001SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30c6\u30fc\u30d6\u30eb\u306b\u633f\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u3001JDBC\u95a2\u9023\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">import\u00a0java.sql.*;<\/pre>\n<p>\u305d\u306e\u5f8c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306fMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u4f8b\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\">String\u00a0url\u00a0=\u00a0\"jdbc:<span class=\"in-link\" data-id=\"61\">mysql<\/span>:\/\/localhost:3306\/mydatabase\";\u00a0\/\/\u00a0\u6570\u636e\u5e93\u8fde\u63a5URL<\/pre>\n<p>String\u00a0username\u00a0=\u00a0&#8220;root&#8221;;\u00a0\/\/\u00a0\u6570\u636e\u5e93\u7528\u6237\u540d<\/p>\n<p>String\u00a0password\u00a0=\u00a0&#8220;password&#8221;;\u00a0\/\/\u00a0\u6570\u636e\u5e93\u5bc6\u7801<\/p>\n<p>Connection\u00a0connection\u00a0=\u00a0DriverManager.getConnection(url,\u00a0username,\u00a0password);\u00a0\/\/\u00a0\u8fde\u63a5\u6570\u636e\u5e93<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>\u305d\u306e\u5f8c\u3001SQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306ePreparedStatement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002&#8221;mytable&#8221;\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308a\u3001&#8221;column1&#8243;\u3068&#8221;column2&#8243;\u306e2\u3064\u306e\u5217\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u4eee\u5b9a\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\">String\u00a0sql\u00a0=\u00a0\"INSERT\u00a0INTO\u00a0mytable\u00a0(column1,\u00a0column2)\u00a0VALUES\u00a0(?,\u00a0?)\";\u00a0\/\/\u00a0SQL\u63d2\u5165\u8bed\u53e5<\/pre>\n<p>PreparedStatement\u00a0statement\u00a0=\u00a0connection.prepareStatement(sql);\u00a0\/\/\u00a0\u521b\u5efaPreparedStatement\u5bf9\u8c61<\/p>\n<p>\/\/\u00a0\u5047\u8bbe\u6570\u7ec4data\u5305\u542b\u8981\u63d2\u5165\u7684\u6570\u636e<\/p>\n<p>for\u00a0(int\u00a0i\u00a0=\u00a00;\u00a0i\u00a0&lt;\u00a0data.length;\u00a0i++)\u00a0{<\/p>\n<p>statement.setString(1,\u00a0data[i]);\u00a0\/\/\u00a0\u8bbe\u7f6e\u7b2c\u4e00\u4e2a\u53c2\u6570\u7684\u503c\uff08column1\uff09<\/p>\n<p>statement.setString(2,\u00a0data[i]);\u00a0\/\/\u00a0\u8bbe\u7f6e\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7684\u503c\uff08column2\uff09<\/p>\n<p>statement.executeUpdate();\u00a0\/\/\u00a0\u6267\u884cSQL\u8bed\u53e5\u63d2\u5165\u6570\u636e<\/p>\n<p>}<\/p>\n<p>statement.close();\u00a0\/\/\u00a0\u5173\u95edPreparedStatement\u5bf9\u8c61<\/p>\n<p>connection.close();\u00a0\/\/\u00a0\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/p>\n<pre class=\"post-pre\"><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001&#8221;column1&#8243;\u3068&#8221;column2&#8243;\u3092\u5b9f\u969b\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u5217\u540d\u306b\u3001&#8221;data&#8221;\u3092\u633f\u5165\u3059\u308b\u914d\u5217\u306b\u7f6e\u304d\u63db\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u64cd\u4f5c\u304c\u5b8c\u4e86\u3057\u305f\u3089PreparedStatement\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u9589\u3058\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u306a\u304a\u3001\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u4e00\u4f8b\u3067\u3059\u306e\u3067\u3001\u5b9f\u969b\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001JDBC\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u306f\u3001\u4f8b\u5916\u51e6\u7406\u3084\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306a\u3069\u3082\u9069\u5207\u306b\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u306f\u3001Java\u306eJDBC\uff08Java Database Connectivity\uff09\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3057\u3001SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30c6\u30fc\u30d6\u30eb\u306b\u633f\u5165\u3059\u308b\u5fc5 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-20403","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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