{"id":43450,"date":"2024-12-01T11:22:14","date_gmt":"2024-12-01T03:22:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/43450\/"},"modified":"2024-12-01T11:22:14","modified_gmt":"2024-12-01T03:22:14","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e6%95%b0%e6%8d%ae%e5%ba%93%e8%bf%9e%e6%8e%a5%e6%b1%a0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/43450\/","title":{"rendered":"\u4ec0\u4e48\u662f\u6570\u636e\u5e93\u8fde\u63a5\u6c60\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

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import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\nimport javax.sql.DataSource;\nimport org.apache.commons.dbcp2.BasicDataSource;\n\npublic class ConnectionPoolExample {\n    private static final String URL = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n    private static final String USERNAME = \"root\";\n    private static final String PASSWORD = \"password\";\n    \n    public static void main(String[] args) throws SQLException {\n        \/\/ \u521b\u5efa\u8fde\u63a5\u6c60\n        DataSource dataSource = createConnectionPool();\n        \n        \/\/ \u4ece\u8fde\u63a5\u6c60\u4e2d\u83b7\u53d6\u8fde\u63a5\n        Connection connection = dataSource.getConnection();\n        \n        \/\/ \u6267\u884c\u6570\u636e\u5e93\u64cd\u4f5c\n        \/\/ ...\n        \n        \/\/ \u5173\u95ed\u8fde\u63a5\uff0c\u5e76\u5c06\u8fde\u63a5\u5f52\u8fd8\u7ed9\u8fde\u63a5\u6c60\n        connection.close();\n    }\n    \n    private static DataSource createConnectionPool() {\n        BasicDataSource dataSource = new BasicDataSource();\n        \n        \/\/ \u8bbe\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\n        dataSource.setUrl(URL);\n        dataSource.setUsername(USERNAME);\n        dataSource.setPassword(PASSWORD);\n        \n        \/\/ \u8bbe\u7f6e\u8fde\u63a5\u6c60\u53c2\u6570\n        dataSource.setInitialSize(10);\n        dataSource.setMaxTotal(100);\n        dataSource.setMaxIdle(30);\n        dataSource.setMinIdle(10);\n        \n        \/\/ \u8fd4\u56de\u8fde\u63a5\u6c60\n        return dataSource;\n    }\n}<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Apache Commons DBCP2\u5e93\u63d0\u4f9b\u7684BasicDataSource<\/code>\u7c7b\u4f5c\u4e3a\u8fde\u63a5\u6c60\u7684\u5b9e\u73b0\u3002\u6211\u4eec\u901a\u8fc7\u8bbe\u7f6e\u8fde\u63a5\u6c60\u53c2\u6570\u6765\u914d\u7f6e\u8fde\u63a5\u6c60\u7684\u884c\u4e3a\uff0c\u4f8b\u5982\u521d\u59cb\u8fde\u63a5\u6570\u3001\u6700\u5927\u8fde\u63a5\u6570\u3001\u6700\u5927\u7a7a\u95f2\u8fde\u63a5\u6570\u7b49\u3002\u901a\u8fc7\u8c03\u7528getConnection()<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u8fde\u63a5\u6c60\u4e2d\u83b7\u53d6\u4e00\u4e2a\u53ef\u7528\u7684\u8fde\u63a5\u5bf9\u8c61\uff0c\u7136\u540e\u8fdb\u884c\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u64cd\u4f5c\u3002\u6700\u540e\uff0c\u6211\u4eec\u901a\u8fc7\u8c03\u7528close()<\/code>\u65b9\u6cd5\u5c06\u8fde\u63a5\u5173\u95ed\uff0c\u5e76\u5c06\u8fde\u63a5\u5f52\u8fd8\u7ed9\u8fde\u63a5\u6c60\u3002<\/p>\n
\u901a\u8fc7\u4f7f\u7528\u8fde\u63a5\u6c60\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u9ad8\u6548\u548c\u7075\u6d3b\u5730\u7ba1\u7406\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u63d0\u9ad8\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u3002\u540c\u65f6\uff0c\u4e5f\u901a\u8fc7\u63a7\u5236\u8fde\u63a5\u7684\u6570\u91cf\u548c\u8d85\u65f6\u65f6\u95f4\u7b49\u53c2\u6570\uff0c\u4fdd\u8bc1\u4e86\u6570\u636e\u5e93\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u603b\u4e4b\uff0c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6280\u672f\uff0c\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6027\u80fd\u548c\u53ef\u9760\u7684\u6570\u636e\u5e93\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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import java.sql.DriverManager; import java.sql.SQLException; import javax.sql.DataSource; import org.apache.commons.dbcp2.BasicDataSource; public class ConnectionPoolExample { private static final String URL = “jdbc:mysql:\/\/localhost:3306\/mydatabase”; private static final String USERNAME = “root”; private static final String PASSWORD = “password”; public static void main(String[] args) throws SQLException { \/\/ \u521b\u5efa\u8fde\u63a5\u6c60 DataSource dataSource = createConnectionPool(); […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-43450","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=43450"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43450\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=43450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=43450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=43450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}