{"id":62147,"date":"2024-10-13T16:35:15","date_gmt":"2024-10-13T08:35:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62147\/"},"modified":"2024-10-13T16:35:15","modified_gmt":"2024-10-13T08:35:15","slug":"jdbc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%81%e8%a3%9d%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95%e5%88%86%e4%ba%ab-jdbc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%81%e8%a3%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62147\/","title":{"rendered":"JDBC\u9023\u63a5\u6578\u64da\u5eab\u5c01\u88dd\u5be6\u73fe\u65b9\u6cd5\u5206\u4eab (jdbc\u9023\u63a5\u6578\u64da\u5eab\u5c01\u88dd)"},"content":{"rendered":"<h1 id=\"jdbc%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b0%81%e8%a3%9d%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95%e5%88%86%e4%ba%ab-TDHiktaGJX\">JDBC\u9023\u63a5\u6578\u64da\u5eab\u5c01\u88dd\u5be6\u73fe\u65b9\u6cd5\u5206\u4eab<\/h1>\n<p>\u5728Java\u958b\u767c\u4e2d\uff0cJDBC\uff08Java Database 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id=\"%e5%b0%81%e8%a3%9djdbc%e9%80%a3%e6%8e%a5%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-TDHiktaGJX\">\u5c01\u88ddJDBC\u9023\u63a5\u7684\u5fc5\u8981\u6027<\/h2>\n<ul>\n<li><strong>\u63d0\u9ad8\u53ef\u91cd\u7528\u6027\uff1a<\/strong>\u901a\u904e\u5c01\u88dd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u9805\u76ee\u4e2d\u91cd\u8907\u4f7f\u7528\u76f8\u540c\u7684\u4ee3\u78bc\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u5c01\u88dd\u53ef\u4ee5\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\uff0c\u4f7f\u4e3b\u696d\u52d9\u908f\u8f2f\u66f4\u52a0\u6e05\u6670\u3002<\/li>\n<li><strong>\u6613\u65bc\u7dad\u8b77\uff1a<\/strong>\u7576\u6578\u64da\u5eab\u9023\u63a5\u7684\u5be6\u73fe\u9700\u8981\u66f4\u6539\u6642\uff0c\u53ea\u9700\u4fee\u6539\u5c01\u88dd\u985e\uff0c\u800c\u4e0d\u5fc5\u5728\u6bcf\u500b\u4f7f\u7528\u7684\u5730\u65b9\u9032\u884c\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"jdbc%e9%80%a3%e6%8e%a5%e7%9a%84%e5%b0%81%e8%a3%9d%e5%af%a6%e7%8f%be-TDHiktaGJX\">JDBC\u9023\u63a5\u7684\u5c01\u88dd\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684JDBC\u9023\u63a5\u5c01\u88dd\u985e\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    private String url;\n    private String user;\n    private String password;\n    private Connection connection;\n\n    public DatabaseConnection(String url, String user, String password) {\n        this.url = url;\n        this.user = user;\n        this.password = password;\n    }\n\n    public Connection getConnection() {\n        if (connection == null) {\n            try {\n                connection = DriverManager.getConnection(url, user, password);\n            } catch (SQLException e) {\n                e.printStackTrace();\n            }\n        }\n        return connection;\n    }\n\n    public void closeConnection() {\n        if (connection != null) {\n            try {\n                connection.close();\n            } catch (SQLException e) {\n                e.printStackTrace();\n            }\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-TDHiktaGJX\">\u4f7f\u7528\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u4e0a\u8ff0\u5c01\u88dd\u985e\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>public class Main {\n    public static void main(String[] args) {\n        DatabaseConnection dbConnection = new DatabaseConnection(\"jdbc:mysql:\/\/localhost:3306\/mydb\", \"user\", \"password\");\n        Connection connection = dbConnection.getConnection();\n\n        \/\/ \u5728\u9019\u88e1\u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\n\n        dbConnection.closeConnection();\n    }\n}\n<\/code><\/pre>\n<h2 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