{"id":61941,"date":"2024-10-13T14:54:14","date_gmt":"2024-10-13T06:54:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61941\/"},"modified":"2024-10-13T14:54:15","modified_gmt":"2024-10-13T06:54:15","slug":"java%e9%96%8b%e7%99%bc%e8%80%85%e5%bf%85%e5%82%99%ef%bc%9ah2%e6%95%b8%e6%93%9a%e5%ba%abjava-demo-h2%e6%95%b8%e6%93%9a%e5%ba%abjava-demo","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61941\/","title":{"rendered":"Java\u958b\u767c\u8005\u5fc5\u5099\uff1aH2\u6578\u64da\u5eabJava Demo (h2\u6578\u64da\u5eabjava demo)"},"content":{"rendered":"<h1 id=\"java%e9%96%8b%e7%99%bc%e8%80%85%e5%bf%85%e5%82%99%ef%bc%9ah2%e6%95%b8%e6%93%9a%e5%ba%abjava-demo-VbQjDnMONU\">Java\u958b\u767c\u8005\u5fc5\u5099\uff1aH2\u6578\u64da\u5eabJava Demo<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002H2\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u6b3e\u8f15\u91cf\u7d1a\u7684Java\u6578\u64da\u5eab\uff0c\u56e0\u5176\u7c21\u55ae\u6613\u7528\u548c\u9ad8\u6548\u7684\u7279\u6027\uff0c\u53d7\u5230\u8a31\u591aJava\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u4ecb\u7d39H2\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u7c21\u55ae\u7684Java Demo\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afh2%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-VbQjDnMONU\">\u4ec0\u9ebc\u662fH2\u6578\u64da\u5eab\uff1f<\/h2>\n<p>H2\u662f\u4e00\u6b3e\u7528Java\u7de8\u5beb\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u652f\u6301\u5d4c\u5165\u5f0f\u548c\u4f3a\u670d\u5668\u6a21\u5f0f\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8f15\u91cf\u7d1a\uff1aH2\u7684JAR\u6587\u4ef6\u975e\u5e38\u5c0f\uff0c\u9069\u5408\u5d4c\u5165\u5f0f\u61c9\u7528\u3002<\/li>\n<li>\u9ad8\u6027\u80fd\uff1aH2\u5728\u5167\u5b58\u4e2d\u904b\u884c\u6642\u7684\u6027\u80fd\u975e\u5e38\u512a\u8d8a\u3002<\/li>\n<li>\u6613\u65bc\u4f7f\u7528\uff1a\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\u548c\u8c50\u5bcc\u7684\u6587\u6a94\u3002<\/li>\n<li>\u652f\u6301\u6a19\u6e96SQL\uff1aH2\u652f\u6301\u5927\u591a\u6578SQL\u6a19\u6e96\uff0c\u65b9\u4fbf\u958b\u767c\u8005\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"h2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ae%89%e8%a3%9d-VbQjDnMONU\">H2\u6578\u64da\u5eab\u7684\u5b89\u88dd<\/h2>\n<p>\u8981\u4f7f\u7528H2\u6578\u64da\u5eab\uff0c\u9996\u5148\u9700\u8981\u4e0b\u8f09H2\u7684JAR\u6587\u4ef6\u3002\u53ef\u4ee5\u5f9e\u5b98\u65b9\u7db2\u7ad9\uff08<a href=\"http:\/\/www.h2database.com\" rel=\"nofollow noopener\" target=\"_blank\">http:\/\/www.h2database.com<\/a>\uff09\u4e0b\u8f09\u6700\u65b0\u7248\u672c\u3002\u4e0b\u8f09\u5f8c\uff0c\u5c07JAR\u6587\u4ef6\u6dfb\u52a0\u5230\u4f60\u7684Java\u9805\u76ee\u4e2d\u3002<\/p>\n<h2 id=\"java-demo%ef%bc%9a%e4%bd%bf%e7%94%a8h2%e6%95%b8%e6%93%9a%e5%ba%ab-VbQjDnMONU\">Java Demo\uff1a\u4f7f\u7528H2\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Java\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528H2\u6578\u64da\u5eab\u9032\u884c\u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.SQLException;\nimport java.sql.Statement;\n\npublic class H2Demo {\n    public static void main(String[] args) {\n        \/\/ JDBC URL for H2 database\n        String url = \"jdbc:h2:~\/test\"; \/\/ \u4f7f\u7528\u672c\u5730\u6578\u64da\u5eab\n        String user = \"sa\"; \/\/ \u9ed8\u8a8d\u7528\u6236\u540d\n        String password = \"\"; \/\/ \u9ed8\u8a8d\u5bc6\u78bc\n\n        try (Connection conn = DriverManager.getConnection(url, user, password);\n             Statement stmt = conn.createStatement()) {\n\n            \/\/ \u5275\u5efa\u8868\n            String createTableSQL = \"CREATE TABLE IF NOT EXISTS users (id INT PRIMARY KEY, name VARCHAR(255))\";\n            stmt.execute(createTableSQL);\n\n            \/\/ \u63d2\u5165\u6578\u64da\n            String insertSQL = \"INSERT INTO users (id, name) VALUES (1, 'Alice'), (2, 'Bob')\";\n            stmt.executeUpdate(insertSQL);\n\n            \/\/ \u67e5\u8a62\u6578\u64da\n            String selectSQL = \"SELECT * FROM users\";\n            ResultSet rs = stmt.executeQuery(selectSQL);\n\n            \/\/ \u8f38\u51fa\u7d50\u679c\n            while (rs.next()) {\n                System.out.println(\"ID: \" + rs.getInt(\"id\") + \", Name: \" + rs.getString(\"name\"));\n            }\n\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5efa\u7acb\u4e86\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u7136\u5f8c\u63d2\u5165\u4e86\u5169\u689d\u6578\u64da\uff0c\u6700\u5f8c\u67e5\u8a62\u4e26\u8f38\u51fa\u4e86\u6240\u6709\u7528\u6236\u7684\u4fe1\u606f\u3002\u9019\u500b\u7c21\u55ae\u7684Demo\u5c55\u793a\u4e86H2\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u64f4\u5c55\u3002<\/p>\n<h2 id=\"h2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%84%aa%e5%8b%a2-VbQjDnMONU\">H2\u6578\u64da\u5eab\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528H2\u6578\u64da\u5eab\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5feb\u901f\u958b\u767c\uff1a\u7531\u65bc\u5176\u8f15\u91cf\u7d1a\u7279\u6027\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u642d\u5efa\u548c\u6e2c\u8a66\u61c9\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>\u9748\u6d3b\u6027\uff1a\u652f\u6301\u591a\u7a2e\u904b\u884c\u6a21\u5f0f\uff0c\u9069\u5408\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<li>\u793e\u5340\u652f\u6301\uff1a\u4f5c\u70ba\u958b\u6e90\u9805\u76ee\uff0cH2\u64c1\u6709\u6d3b\u8e8d\u7684\u793e\u5340\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u5f97\u5e6b\u52a9\u548c\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VbQjDnMONU\">\u7e3d\u7d50<\/h2>\n<p>H2\u6578\u64da\u5eab\u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u4e14\u6613\u65bc\u4f7f\u7528\u7684Java\u6578\u64da\u5eab\uff0c\u9069\u5408\u5404\u985e\u578b\u7684\u61c9\u7528\u958b\u767c\u3002\u901a\u904e\u672c\u6587\u63d0\u4f9b\u7684Demo\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u4e26\u958b\u59cb\u4f7f\u7528H2\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u74b0\u5883\u4f86\u90e8\u7f72\u60a8\u7684Java\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22H2\u6578\u64da\u5eab\u7684Java\u793a\u7bc4\uff0c\u5e6b\u52a9Java\u958b\u767c\u8005\u5feb\u901f\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u8207\u96c6\u6210\u6280\u5de7\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\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-61941","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61941","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=61941"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61941\/revisions"}],"predecessor-version":[{"id":61942,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61941\/revisions\/61942"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}