{"id":61971,"date":"2024-10-13T15:11:19","date_gmt":"2024-10-13T07:11:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61971\/"},"modified":"2024-10-13T15:11:19","modified_gmt":"2024-10-13T07:11:19","slug":"java%e8%bc%95%e9%ac%86%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-java%e9%80%a3mysql%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61971\/","title":{"rendered":"Java\u8f15\u9b06\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406 (java\u9023mysql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e8%bc%95%e9%ac%86%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-aJMXMKHQPB\">Java\u8f15\u9b06\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u9023\u63a5\u548c\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Java\u8f15\u9b06\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u4e26\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87mysql%e4%bd%9c%e7%82%ba%e6%95%b8%e6%93%9a%e5%ba%ab-aJMXMKHQPB\">\u70ba\u4ec0\u9ebc\u9078\u64c7MySQL\u4f5c\u70ba\u6578\u64da\u5eab<\/h2>\n<p>MySQL\u662f\u4e00\u500b\u958b\u6e90\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u9ad8\u6548\u6027\u3001\u7a69\u5b9a\u6027\u548c\u6613\u7528\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u5b83\u652f\u6301\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\uff0c\u4e26\u4e14\u64c1\u6709\u5f37\u5927\u7684\u793e\u5340\u652f\u6301\u3002\u5c0d\u65bcJava\u958b\u767c\u8005\u4f86\u8aaa\uff0cMySQL\u7684JDBC\uff08Java Database Connectivity\uff09\u9a45\u52d5\u7a0b\u5e8f\u4f7f\u5f97\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u8b8a\u5f97\u7c21\u55ae\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-aJMXMKHQPB\">\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u8edf\u4ef6\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK)<\/li>\n<li>MySQL Server<\/li>\n<li>MySQL Connector\/J\uff08JDBC\u9a45\u52d5\u7a0b\u5e8f\uff09<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u5f9eMySQL\u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09MySQL Connector\/J\uff0c\u4e26\u5c07\u5176\u6dfb\u52a0\u5230\u60a8\u7684Java\u9805\u76ee\u7684\u985e\u8def\u5f91\u4e2d\u3002<\/p>\n<h2 id=\"%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-aJMXMKHQPB\">\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%8a%a0%e8%bc%89jdbc%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-aJMXMKHQPB\">1. \u52a0\u8f09JDBC\u9a45\u52d5\u7a0b\u5e8f<\/h3>\n<p>\u5728Java\u4e2d\uff0c\u9996\u5148\u9700\u8981\u52a0\u8f09MySQL\u7684JDBC\u9a45\u52d5\u7a0b\u5e8f\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u4ee3\u78bc\u5be6\u73fe\uff1a<\/p>\n<pre><code>Class.forName(\"com.mysql.cj.jdbc.Driver\");<\/code><\/pre>\n<h3 id=\"2-%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-aJMXMKHQPB\">2. \u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u4f7f\u7528DriverManager\u4f86\u5efa\u7acb\u8207MySQL\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>String url = \"jdbc:mysql:\/\/localhost:3306\/your_database_name\";\nString user = \"your_username\";\nString password = \"your_password\";\n\nConnection connection = DriverManager.getConnection(url, user, password);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u8acb\u5c07<code>your_database_name<\/code>\u3001<code>your_username<\/code>\u548c<code>your_password<\/code>\u66ff\u63db\u70ba\u60a8\u7684\u6578\u64da\u5eab\u540d\u7a31\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/p>\n<h3 id=\"3-%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-aJMXMKHQPB\">3. \u57f7\u884cSQL\u67e5\u8a62<\/h3>\n<p>\u4e00\u65e6\u5efa\u7acb\u4e86\u9023\u63a5\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528Statement\u6216PreparedStatement\u4f86\u57f7\u884cSQL\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Statement\u57f7\u884c\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>Statement statement = connection.createStatement();\nString sql = \"SELECT * FROM your_table_name\";\nResultSet resultSet = statement.executeQuery(sql);\n\nwhile (resultSet.next()) {\n    System.out.println(\"Column1: \" + resultSet.getString(\"column1_name\"));\n}<\/code><\/pre>\n<h3 id=\"4-%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-aJMXMKHQPB\">4. \u95dc\u9589\u9023\u63a5<\/h3>\n<p>\u5728\u5b8c\u6210\u6578\u64da\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u9023\u63a5\u4ee5\u91cb\u653e\u8cc7\u6e90\uff1a<\/p>\n<pre><code>resultSet.close();\nstatement.close();\nconnection.close();<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-aJMXMKHQPB\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528PreparedStatement\uff1a<\/strong>\u70ba\u4e86\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\uff0c\u5efa\u8b70\u4f7f\u7528PreparedStatement\u4f86\u57f7\u884cSQL\u67e5\u8a62\u3002<\/li>\n<li><strong>\u7570\u5e38\u8655\u7406\uff1a<\/strong>\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\uff0c\u61c9\u8a72\u4f7f\u7528try-catch\u584a\u4f86\u8655\u7406\u53ef\u80fd\u51fa\u73fe\u7684\u7570\u5e38\u3002<\/li>\n<li><strong>\u9023\u63a5\u6c60\uff1a<\/strong>\u5c0d\u65bc\u9ad8\u4e26\u767c\u7684\u61c9\u7528\uff0c\u5efa\u8b70\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u6c60\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aJMXMKHQPB\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528Java\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u4e26\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u3002\u7121\u8ad6\u662f\u958b\u767c\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u904b\u884c\u60a8\u7684Java\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u6d41\u66a2\u7121\u963b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u8f15\u9b06\u4f7f\u7528Java\u9023\u63a5MySQL\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u8207\u64cd\u4f5c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61971","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61971"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61971\/revisions"}],"predecessor-version":[{"id":61972,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61971\/revisions\/61972"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}