{"id":61849,"date":"2024-10-13T14:11:32","date_gmt":"2024-10-13T06:11:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61849\/"},"modified":"2024-10-13T14:11:32","modified_gmt":"2024-10-13T06:11:32","slug":"java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%ef%bc%9a%e5%84%aa%e9%9b%85%e9%ab%98%e6%95%88%e7%9a%84%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61849\/","title":{"rendered":"Java\u6578\u64da\u5eab\u5b58\u5132\uff1a\u512a\u96c5\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406 (java\u6578\u64da\u5eab\u5b58\u5132)"},"content":{"rendered":"<h1 id=\"java%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%ef%bc%9a%e5%84%aa%e9%9b%85%e9%ab%98%e6%95%88%e7%9a%84%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86-DOULGmDJjh\">Java\u6578\u64da\u5eab\u5b58\u5132\uff1a\u512a\u96c5\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u5b58\u5132\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\u5de5\u5177\u548c\u6846\u67b6\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u5b58\u5132\u3002\u672c\u6587\u5c07\u63a2\u8a0eJava\u5728\u6578\u64da\u5eab\u5b58\u5132\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u4ecb\u7d39\u4e00\u4e9b\u5e38\u898b\u7684\u6280\u8853\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"java%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%80%a3%e6%8e%a5-DOULGmDJjh\">Java\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5<\/h2>\n<p>Java\u901a\u904eJava Database Connectivity (JDBC) API\u4f86\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002JDBC\u662f\u4e00\u500b\u6a19\u6e96\u7684API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684JDBC\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String user = \"username\";\n        String password = \"password\";\n\n        try (Connection connection = DriverManager.getConnection(url, user, password)) {\n            System.out.println(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528DriverManager\u4f86\u7372\u53d6\u6578\u64da\u5eab\u9023\u63a5\u3002\u78ba\u4fdd\u5728\u4f7f\u7528\u4e4b\u524d\u5df2\u7d93\u6dfb\u52a0\u4e86\u76f8\u61c9\u7684\u6578\u64da\u5eab\u9a45\u52d5\u4f9d\u8cf4\u3002<\/p>\n<h2 id=\"orm%e6%a1%86%e6%9e%b6%e7%9a%84%e4%bd%bf%e7%94%a8-DOULGmDJjh\">ORM\u6846\u67b6\u7684\u4f7f\u7528<\/h2>\n<p>\u70ba\u4e86\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u8a31\u591aJava\u958b\u767c\u8005\u9078\u64c7\u4f7f\u7528\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff08ORM\uff09\u6846\u67b6\uff0c\u5982Hibernate\u548cJPA\u3002\u9019\u4e9b\u6846\u67b6\u5141\u8a31\u958b\u767c\u8005\u4f7f\u7528Java\u5c0d\u8c61\u4f86\u8868\u793a\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e86\u76f4\u63a5\u4f7f\u7528SQL\u8a9e\u53e5\u7684\u9700\u8981\u3002<\/p>\n<h3 id=\"hibernate%e7%a4%ba%e4%be%8b-DOULGmDJjh\">Hibernate\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Hibernate\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import org.hibernate.Session;\nimport org.hibernate.SessionFactory;\nimport org.hibernate.cfg.Configuration;\n\npublic class HibernateExample {\n    public static void main(String[] args) {\n        SessionFactory factory = new Configuration()\n                .configure(\"hibernate.cfg.xml\")\n                .addAnnotatedClass(MyEntity.class)\n                .buildSessionFactory();\n\n        try (Session session = factory.getCurrentSession()) {\n            MyEntity entity = new MyEntity(\"\u793a\u4f8b\u6578\u64da\");\n            session.beginTransaction();\n            session.save(entity);\n            session.getTransaction().commit();\n        } finally {\n            factory.close();\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500bHibernate\u6703\u8a71\uff0c\u4e26\u5c07\u4e00\u500b\u5be6\u9ad4\u5c0d\u8c61\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\u3002Hibernate\u81ea\u52d5\u8655\u7406\u4e86SQL\u8a9e\u53e5\u7684\u751f\u6210\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u5c08\u6ce8\u65bc\u696d\u52d9\u908f\u8f2f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-DOULGmDJjh\">\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u5b58\u5132\u6642\uff0c\u6027\u80fd\u512a\u5316\u662f\u4e0d\u53ef\u5ffd\u8996\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u512a\u5316\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u67e5\u8a62\u5b57\u6bb5\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u6279\u91cf\u8655\u7406\uff1a<\/strong>\u4f7f\u7528\u6279\u91cf\u63d2\u5165\u548c\u66f4\u65b0\u64cd\u4f5c\uff0c\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\u3002<\/li>\n<li><strong>\u9023\u63a5\u6c60\uff1a<\/strong>\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u6e1b\u5c11\u9023\u63a5\u5efa\u7acb\u7684\u958b\u92b7\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-DOULGmDJjh\">\u7d50\u8ad6<\/h2>\n<p>Java\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u548c\u6846\u67b6\u4f86\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5eab\u5b58\u5132\u548c\u7ba1\u7406\u3002\u901a\u904e\u4f7f\u7528JDBC\u3001ORM\u6846\u67b6\u4ee5\u53ca\u6027\u80fd\u512a\u5316\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u69cb\u5efa\u51fa\u512a\u96c5\u4e14\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u6301\u7e8c\u5b78\u7fd2\u548c\u9069\u61c9\u65b0\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u5c07\u662f\u6bcf\u4f4d\u958b\u767c\u8005\u7684\u5fc5\u4fee\u8ab2\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Java\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Java\u6578\u64da\u5eab\u5b58\u5132\u7684\u512a\u96c5\u8207\u9ad8\u6548\uff0c\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u5de7\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u53ef\u64f4\u5c55\u6027\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-61849","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61849","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=61849"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61849\/revisions"}],"predecessor-version":[{"id":61850,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61849\/revisions\/61850"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}