{"id":154855,"date":"2024-11-02T18:15:21","date_gmt":"2024-11-02T10:15:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154855\/"},"modified":"2024-11-02T18:15:22","modified_gmt":"2024-11-02T10:15:22","slug":"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%ab%98%e6%95%88%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e8%bc%95%e9%ac%86%e6%8f%90%e5%8d%87%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%ef%bc%88%e5%a4%9a%e7%b7%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154855\/","title":{"rendered":"\u591a\u7dda\u7a0b\u9ad8\u6548\u9023\u63a5\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff08\u591a\u7dda\u7a0b\u9023\u63a5\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 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id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e5%a4%9a%e7%b7%9a%e7%a8%8b%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-EtydvcnTWp\">\u5982\u4f55\u5be6\u73fe\u591a\u7dda\u7a0b\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u5be6\u73fe\u591a\u7dda\u7a0b\u9023\u63a5\u6578\u64da\u5eab\u7684\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u65b9\u6cd5\u548c\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%80%a3%e6%8e%a5%e6%b1%a0-EtydvcnTWp\">1. \u4f7f\u7528\u9023\u63a5\u6c60<\/h3>\n<p>\u9023\u63a5\u6c60\u662f\u4e00\u7a2e\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u7684\u6280\u8853\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u9023\u63a5\u7684\u958b\u92b7\u3002\u7576\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u9023\u63a5\u6578\u64da\u5eab\u6642\uff0c\u53ef\u4ee5\u5f9e\u9023\u63a5\u6c60\u4e2d\u7372\u53d6\u4e00\u500b\u53ef\u7528\u7684\u9023\u63a5\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u5275\u5efa\u65b0\u7684\u9023\u63a5\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\nimport java.util.concurrent.ExecutorService;\nimport java.util.concurrent.Executors;\n\npublic class DatabaseConnectionPool {\n    private static final String URL = \"jdbc:mysql:\/\/localhost:3306\/mydb\";\n    private static final String USER = \"user\";\n    private static final String PASSWORD = \"password\";\n\n    public static Connection getConnection() throws SQLException {\n        return DriverManager.getConnection(URL, USER, PASSWORD);\n    }\n\n    public static void main(String[] args) {\n        ExecutorService executor = Executors.newFixedThreadPool(10);\n        for (int i = 0; i  {\n                try (Connection connection = getConnection()) {\n                    \/\/ \u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\n                } catch (SQLException e) {\n                    e.printStackTrace();\n                }\n            });\n        }\n        executor.shutdown();\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e7%95%b0%e6%ad%a5%e6%93%8d%e4%bd%9c-EtydvcnTWp\">2. \u4f7f\u7528\u7570\u6b65\u64cd\u4f5c<\/h3>\n<p>\u7570\u6b65\u64cd\u4f5c\u53ef\u4ee5\u8b93\u61c9\u7528\u7a0b\u5e8f\u5728\u7b49\u5f85\u6578\u64da\u5eab\u97ff\u61c9\u7684\u540c\u6642\uff0c\u7e7c\u7e8c\u57f7\u884c\u5176\u4ed6\u4efb\u52d9\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6642\u3002<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\nimport java.util.concurrent.CompletableFuture;\n\npublic class AsyncDatabaseOperation {\n    private static final String URL = \"jdbc:mysql:\/\/localhost:3306\/mydb\";\n    private static final String USER = \"user\";\n    private static final String PASSWORD = \"password\";\n\n    public static CompletableFuture executeAsync() {\n        return CompletableFuture.runAsync(() -&gt; {\n            try (Connection connection = DriverManager.getConnection(URL, USER, PASSWORD)) {\n                \/\/ \u57f7\u884c\u6578\u64da\u5eab\u64cd\u4f5c\n            } catch (SQLException e) {\n                e.printStackTrace();\n            }\n        });\n    }\n\n    public static void main(String[] args) {\n        for (int i = 0; i &lt; 100; i++) {\n            executeAsync();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 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