{"id":62111,"date":"2024-10-13T16:16:17","date_gmt":"2024-10-13T08:16:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62111\/"},"modified":"2024-10-13T16:16:17","modified_gmt":"2024-10-13T08:16:17","slug":"java%e9%a0%85%e7%9b%ae%e6%80%8e%e6%a8%a3%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-java%e9%a0%85%e7%9b%ae%e5%a6%82%e4%bd%95%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62111\/","title":{"rendered":"Java\u9805\u76ee\u600e\u6a23\u5efa\u7acb\u6578\u64da\u5eab\uff1f (java\u9805\u76ee\u5982\u4f55\u5efa\u7acb\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e9%a0%85%e7%9b%ae%e6%80%8e%e6%a8%a3%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-KxqpBhRNgk\">Java\u9805\u76ee\u600e\u6a23\u5efa\u7acb\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u662f\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u4e4b\u4e00\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Java\u9805\u76ee\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"1-%e9%81%b8%e6%93%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1-KxqpBhRNgk\">1. \u9078\u64c7\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u3002\u5e38\u898b\u7684\u9078\u64c7\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>MySQL<\/li>\n<li>PostgreSQL<\/li>\n<li>SQLite<\/li>\n<li>Oracle<\/li>\n<\/ul>\n<p>\u6bcf\u7a2e\u6578\u64da\u5eab\u90fd\u6709\u5176\u7279\u9ede\u548c\u512a\u7f3a\u9ede\uff0c\u9078\u64c7\u6642\u61c9\u6839\u64da\u9805\u76ee\u7684\u9700\u6c42\u9032\u884c\u8003\u91cf\u3002<\/p>\n<h2 id=\"2-%e5%ae%89%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab-KxqpBhRNgk\">2. \u5b89\u88dd\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5MySQL\u70ba\u4f8b\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get install mysql-server\n<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u5165MySQL\u547d\u4ee4\u884c\u754c\u9762\uff1a<\/p>\n<pre><code>mysql -u root -p\n<\/code><\/pre>\n<h2 id=\"3-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-KxqpBhRNgk\">3. \u5275\u5efa\u6578\u64da\u5eab<\/h2>\n<p>\u5728MySQL\u4e2d\u5275\u5efa\u6578\u64da\u5eab\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database;\n<\/code><\/pre>\n<p>\u9019\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cmy_database\u201d\u7684\u6578\u64da\u5eab\u3002\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9078\u64c7\u8a72\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>USE my_database;\n<\/code><\/pre>\n<h2 id=\"4-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-KxqpBhRNgk\">4. \u5275\u5efa\u6578\u64da\u8868<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u6578\u64da\u8868\u662f\u5b58\u5132\u6578\u64da\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u7528\u6236\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    password VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);\n<\/code><\/pre>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8java%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-KxqpBhRNgk\">5. \u4f7f\u7528Java\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528JDBC\uff08Java Database Connectivity\uff09\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\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\/my_database\";\n        String user = \"root\";\n        String password = \"your_password\";\n\n        try {\n            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<h2 id=\"6-%e5%9f%b7%e8%a1%8csql%e6%9f%a5%e8%a9%a2-KxqpBhRNgk\">6. \u57f7\u884cSQL\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u60a8\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u4f86\u64cd\u4f5c\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class InsertUser {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/my_database\";\n        String user = \"root\";\n        String password = \"your_password\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            String sql = \"INSERT INTO users (username, password, email) VALUES (?, ?, ?)\";\n            PreparedStatement statement = connection.prepareStatement(sql);\n            statement.setString(1, \"testUser\");\n            statement.setString(2, \"testPassword\");\n            statement.setString(3, \"test@example.com\");\n            statement.executeUpdate();\n            System.out.println(\"\u6578\u64da\u63d2\u5165\u6210\u529f\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"7-%e7%b8%bd%e7%b5%90-KxqpBhRNgk\">7. \u7e3d\u7d50<\/h2>\n<p>\u5728Java\u9805\u76ee\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u7684\u904e\u7a0b\u5305\u62ec\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3001\u5b89\u88dd\u6578\u64da\u5eab\u3001\u5275\u5efa\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\uff0c\u4ee5\u53ca\u4f7f\u7528Java\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u9019\u4e9b\u6b65\u9a5f\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u63a7\u5236\u529b\uff0c\u4f7f\u4ed6\u5011\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u61c9\u7528\u7a0b\u5e8f\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684Java\u9805\u76ee\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Java\u9805\u76ee\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\uff0c\u5305\u62ec\u8a2d\u7f6e\u9023\u63a5\u3001\u5275\u5efa\u8868\u683c\u53ca\u57f7\u884c\u57fa\u672c\u64cd\u4f5c\u7684\u6b65\u9a5f\u8207\u6280\u5de7\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-62111","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62111","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=62111"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62111\/revisions"}],"predecessor-version":[{"id":62112,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62111\/revisions\/62112"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}