{"id":175229,"date":"2024-11-08T04:07:16","date_gmt":"2024-11-07T20:07:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175229\/"},"modified":"2024-11-08T04:07:17","modified_gmt":"2024-11-07T20:07:17","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8java%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-java%e5%9f%b7%e8%a1%8c%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175229\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Java\u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab (java\u57f7\u884c\u4fdd\u5b58\u6578\u64da\u5eab\u547d\u4ee4)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8java%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-qgZxTEckwh\">\u5982\u4f55\u4f7f\u7528Java\u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Java\u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-qgZxTEckwh\">\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5df2\u5b89\u88ddJava\u958b\u767c\u5de5\u5177\u5305\uff08JDK\uff09\u3002<\/li>\n<li>\u5df2\u5b89\u88dd\u4e26\u914d\u7f6e\u597d\u6578\u64da\u5eab\uff08\u5982MySQL\u3001PostgreSQL\u7b49\uff09\u3002<\/li>\n<li>\u5df2\u6dfb\u52a0\u76f8\u61c9\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u5230\u60a8\u7684Java\u9805\u76ee\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-qgZxTEckwh\">\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528JDBC\uff08Java Database Connectivity\uff09\u4f86\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 Connection getConnection() {\n        Connection connection = null;\n        try {\n            \/\/ \u52a0\u8f09JDBC\u9a45\u52d5\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n        } catch (ClassNotFoundException | SQLException e) {\n            e.printStackTrace();\n        }\n        return connection;\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-qgZxTEckwh\">\u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab<\/h2>\n<p>\u4e00\u65e6\u5efa\u7acb\u4e86\u9023\u63a5\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u4fdd\u5b58\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u63d2\u5165\u6578\u64da\u5230\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.PreparedStatement;\nimport java.sql.SQLException;\n\npublic class DataInserter {\n    public void insertData(String name, int age) {\n        String sql = \"INSERT INTO users (name, age) VALUES (?, ?)\";\n        try (Connection connection = DatabaseConnection.getConnection();\n             PreparedStatement preparedStatement = connection.prepareStatement(sql)) {\n            preparedStatement.setString(1, name);\n            preparedStatement.setInt(2, age);\n            preparedStatement.executeUpdate();\n            System.out.println(\"\u6578\u64da\u5df2\u6210\u529f\u63d2\u5165\uff01\");\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e5%ae%8c%e6%95%b4%e7%a4%ba%e4%be%8b-qgZxTEckwh\">\u5b8c\u6574\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u4e0a\u8ff0\u4ee3\u78bc\u4f86\u4fdd\u5b58\u6578\u64da\uff1a<\/p>\n<pre><code>public class Main {\n    public static void main(String[] args) {\n        DataInserter dataInserter = new DataInserter();\n        dataInserter.insertData(\"\u5f35\u4e09\", 25);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qgZxTEckwh\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528Java\u4fdd\u5b58\u6578\u64da\u5230\u6578\u64da\u5eab\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u9023\u63a5\u7684\u6b63\u78ba\u6027\uff0c\u5305\u62ecURL\u3001\u7528\u6236\u540d\u548c\u5bc6\u78bc\u3002<\/li>\n<li>\u4f7f\u7528PreparedStatement\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li>\u5728\u64cd\u4f5c\u5b8c\u6210\u5f8c\uff0c\u52d9\u5fc5\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 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href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Java\u57f7\u884c\u6578\u64da\u5eab\u547d\u4ee4\uff0c\u5c07\u6578\u64da\u6709\u6548\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u638c\u63e1JDBC\u9023\u63a5\u548c\u64cd\u4f5c\u6280\u5de7\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-175229","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175229","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=175229"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175229\/revisions"}],"predecessor-version":[{"id":175230,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175229\/revisions\/175230"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}