{"id":31063,"date":"2023-12-08T01:51:19","date_gmt":"2023-09-05T01:39:24","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/javaxsql%e2%91%a2%e5%8f%af%e4%bb%a5%e8%a2%ab%e7%ae%80%e6%b4%81%e5%9c%b0%e6%8f%8f%e8%bf%b0%e4%b8%bajava%e4%b8%8esql%e7%9a%84%e7%bb%93%e5%90%88%e3%80%82\/"},"modified":"2025-08-12T22:08:00","modified_gmt":"2025-08-12T14:08:00","slug":"javaxsql%e2%91%a2%e5%8f%af%e4%bb%a5%e8%a2%ab%e7%ae%80%e6%b4%81%e5%9c%b0%e6%8f%8f%e8%bf%b0%e4%b8%bajava%e4%b8%8esql%e7%9a%84%e7%bb%93%e5%90%88%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/javaxsql%e2%91%a2%e5%8f%af%e4%bb%a5%e8%a2%ab%e7%ae%80%e6%b4%81%e5%9c%b0%e6%8f%8f%e8%bf%b0%e4%b8%bajava%e4%b8%8esql%e7%9a%84%e7%bb%93%e5%90%88%e3%80%82\/","title":{"rendered":"JAVA\u00d7SQL\u2462\u53ef\u4ee5\u88ab\u7b80\u6d01\u5730\u63cf\u8ff0\u4e3a&#8221;JAVA\u4e0eSQL\u7684\u7ed3\u5408&#8221;"},"content":{"rendered":"<h1>\u95ee\u9898<\/h1>\n<p>\u95ee\u9898\uff1a\u4f7f\u7528JBDC\u6267\u884cupdate\u8bed\u53e5\u3002<br \/>\n\u4f7f\u7528\u5de5\u5177\uff1aXAMPP\u3001eclipse\u3002<\/p>\n<h2>\u8bf7\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ee5\u4fbf\u6211\u80fd\u591f\u51c6\u786e\u5730\u7ffb\u8bd1\u3002<\/h2>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">package<\/span> <span class=\"nn\">DBA<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.Connection<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.DriverManager<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.PreparedStatement<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.SQLException<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Scanner<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">DBA3<\/span> <span class=\"o\">{<\/span>\r\n\r\n\t<span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span><span class=\"kd\">throws<\/span> <span class=\"nc\">SQLException<\/span> <span class=\"o\">{<\/span>\r\n\t\t<span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u793e\u54e1ID\u5165\u529b\"<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"nc\">Scanner<\/span> <span class=\"n\">s<\/span><span class=\"o\">=<\/span><span class=\"k\">new<\/span> <span class=\"nc\">Scanner<\/span><span class=\"o\">(<\/span><span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">in<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"kt\">int<\/span> <span class=\"no\">ID1<\/span><span class=\"o\">=<\/span><span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"na\">nextInt<\/span><span class=\"o\">();<\/span>\r\n\t\t<span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u90e8\u7f72ID\uff08\u5909\u66f4\u5f8c\uff09\u5165\u529b\"<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"kt\">int<\/span> <span class=\"no\">ID2<\/span><span class=\"o\">=<\/span><span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"na\">nextInt<\/span><span class=\"o\">();<\/span>\r\n\t\t\r\n\t\t<span class=\"nc\">String<\/span> <span class=\"n\">url<\/span><span class=\"o\">=<\/span><span class=\"s\">\"jdbc:mysql:\/\/localhost\/JDBC\"<\/span><span class=\"o\">;<\/span>\r\n\t\t<span class=\"nc\">String<\/span> <span class=\"n\">user<\/span> <span class=\"o\">=<\/span><span class=\"s\">\"root\"<\/span><span class=\"o\">;<\/span>\r\n\t\t<span class=\"nc\">String<\/span> <span class=\"n\">password<\/span> <span class=\"o\">=<\/span><span class=\"s\">\"\"<\/span><span class=\"o\">;<\/span>\r\n\t\t<span class=\"nc\">Connection<\/span> <span class=\"n\">con<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">DriverManager<\/span><span class=\"o\">.<\/span><span class=\"na\">getConnection<\/span><span class=\"o\">(<\/span><span class=\"n\">url<\/span><span class=\"o\">,<\/span><span class=\"n\">user<\/span><span class=\"o\">,<\/span><span class=\"n\">password<\/span><span class=\"o\">);<\/span>\r\n\t\t<span class=\"nc\">PreparedStatement<\/span> <span class=\"n\">pstmt<\/span> <span class=\"o\">=<\/span><span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">prepareStatement<\/span>\r\n\t\t\t\t<span class=\"o\">(<\/span><span class=\"s\">\"update woker set co_id = ? where id = ?\"<\/span><span class=\"o\">);<\/span>\r\n\t\t\t<span class=\"n\">pstmt<\/span><span class=\"o\">.<\/span><span class=\"na\">setInt<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"no\">ID2<\/span><span class=\"o\">);<\/span>\r\n\t\t\t<span class=\"n\">pstmt<\/span><span class=\"o\">.<\/span><span class=\"na\">setInt<\/span><span class=\"o\">(<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"no\">ID1<\/span><span class=\"o\">);<\/span>\r\n\t\t\t<span class=\"kt\">int<\/span> <span class=\"n\">rows<\/span><span class=\"o\">=<\/span> <span class=\"n\">pstmt<\/span><span class=\"o\">.<\/span><span class=\"na\">executeUpdate<\/span><span class=\"o\">();<\/span>\r\n\t\t\t<span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">rows<\/span><span class=\"o\">+<\/span><span class=\"s\">\"\u4ef6\u306e\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3057\u307e\u3057\u305f\"<\/span><span class=\"o\">);<\/span>\r\n\t\t\t<span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u6267\u884c\u7ed3\u679c<\/h3>\n<pre class=\"post-pre\"><code>\r\n\u793e\u54e1ID\u5165\u529b\r\n1\r\n\u90e8\u7f72ID\uff08\u5909\u66f4\u5f8c\uff09\u5165\u529b\r\n1\r\n1\u4ef6\u306e\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3057\u307e\u3057\u305f\r\n\r\n<\/code><\/pre>\n<p>\u4eca\u5929\u7684\u53d1\u73b0\u662f\uff1a\u901a\u8fc7 int rows = pstmt.executeUpdate();\uff0c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u4fee\u6539\u7684\u8bb0\u5f55\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898 \u95ee\u9898\uff1a\u4f7f\u7528JBDC\u6267\u884cupdate\u8bed\u53e5\u3002 \u4f7f\u7528\u5de5\u5177\uff1aXAMPP\u3001eclipse\u3002 \u8bf7\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31063","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"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>JAVA\u00d7SQL\u2462\u53ef\u4ee5\u88ab\u7b80\u6d01\u5730\u63cf\u8ff0\u4e3a&quot;JAVA\u4e0eSQL\u7684\u7ed3\u5408&quot; - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJAVA\u00d7SQL\u2462\u53ef\u4ee5\u88ab\u7b80\u6d01\u5730\u63cf\u8ff0\u4e3a&quot;JAVA\u4e0eSQL\u7684\u7ed3\u5408&quot;\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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