{"id":61907,"date":"2024-10-13T14:38:16","date_gmt":"2024-10-13T06:38:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61907\/"},"modified":"2024-10-13T14:38:16","modified_gmt":"2024-10-13T06:38:16","slug":"java%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e8%80%97%e5%b0%bd%ef%bc%9a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e4%bb%8b%e7%b4%b9-java%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61907\/","title":{"rendered":"Java\u591a\u7dda\u7a0b\u6578\u64da\u5eab\u9023\u63a5\u8017\u5c3d\uff1a\u89e3\u6c7a\u65b9\u6848\u4ecb\u7d39 (java\u591a\u7dda\u7a0b\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1)"},"content":{"rendered":"<h1 id=\"java%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e8%80%97%e7%9b%a1%ef%bc%9a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%e4%bb%8b%e7%b4%b9-mlSXHZVohw\">Java\u591a\u7dda\u7a0b\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\uff1a\u89e3\u6c7a\u65b9\u6848\u4ecb\u7d39<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0cJava\u7684\u591a\u7dda\u7a0b\u6280\u8853\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u9ad8\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u7136\u800c\uff0c\u7576\u591a\u7dda\u7a0b\u61c9\u7528\u7a0b\u5e8f\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\u7684\u554f\u984c\u3002\u9019\u4e0d\u50c5\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u4e0b\u964d\uff0c\u9084\u53ef\u80fd\u5f15\u767c\u7cfb\u7d71\u5d29\u6f70\u3002\u672c\u6587\u5c07\u63a2\u8a0eJava\u591a\u7dda\u7a0b\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e8%80%97%e7%9b%a1%e7%9a%84%e5%8e%9f%e5%9b%a0-mlSXHZVohw\">\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\u7684\u539f\u56e0<\/h2>\n<p>\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u6c60\u914d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u5982\u679c\u9023\u63a5\u6c60\u7684\u6700\u5927\u9023\u63a5\u6578\u8a2d\u7f6e\u904e\u4f4e\uff0c\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8acb\u6c42\u6578\u64da\u5eab\u9023\u63a5\u6642\uff0c\u5c07\u7121\u6cd5\u7372\u5f97\u8db3\u5920\u7684\u9023\u63a5\u3002<\/li>\n<li><strong>\u9577\u6642\u9593\u7684\u67e5\u8a62\u64cd\u4f5c\uff1a<\/strong>\u5982\u679c\u67d0\u4e9b\u67e5\u8a62\u64cd\u4f5c\u57f7\u884c\u6642\u9593\u904e\u9577\uff0c\u5c07\u6703\u4f54\u7528\u9023\u63a5\uff0c\u5c0e\u81f4\u5176\u4ed6\u7dda\u7a0b\u7121\u6cd5\u7372\u5f97\u9023\u63a5\u3002<\/li>\n<li><strong>\u672a\u6b63\u78ba\u95dc\u9589\u9023\u63a5\uff1a<\/strong>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u5982\u679c\u672a\u80fd\u6b63\u78ba\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff0c\u5c07\u5c0e\u81f4\u9023\u63a5\u6cc4\u6f0f\uff0c\u6700\u7d42\u8017\u76e1\u53ef\u7528\u9023\u63a5\u3002<\/li>\n<li><strong>\u9ad8\u4f75\u767c\u8acb\u6c42\uff1a<\/strong>\u5728\u9ad8\u4f75\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u8acb\u6c42\u6578\u91cf\u53ef\u80fd\u8d85\u904e\u6578\u64da\u5eab\u7684\u8655\u7406\u80fd\u529b\uff0c\u5c0e\u81f4\u9023\u63a5\u8017\u76e1\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-mlSXHZVohw\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aJava\u591a\u7dda\u7a0b\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\u7684\u554f\u984c\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e8%aa%bf%e6%95%b4%e9%80%a3%e6%8e%a5%e6%b1%a0%e9%85%8d%e7%bd%ae-mlSXHZVohw\">1. \u8abf\u6574\u9023\u63a5\u6c60\u914d\u7f6e<\/h3>\n<p>\u78ba\u4fdd\u9023\u63a5\u6c60\u7684\u6700\u5927\u9023\u63a5\u6578\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u9032\u884c\u5408\u7406\u914d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u50cfHikariCP\u3001Apache DBCP\u7b49\u9ad8\u6548\u7684\u9023\u63a5\u6c60\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528HikariCP\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>HikariConfig config = new HikariConfig();\nconfig.setJdbcUrl(\"jdbc:mysql:\/\/localhost:3306\/mydb\");\nconfig.setUsername(\"user\");\nconfig.setPassword(\"password\");\nconfig.setMaximumPoolSize(20); \/\/ \u8a2d\u7f6e\u6700\u5927\u9023\u63a5\u6578\nHikariDataSource dataSource = new HikariDataSource(config);<\/code><\/pre>\n<h3 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-mlSXHZVohw\">2. \u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u5c0d\u65bc\u9577\u6642\u9593\u57f7\u884c\u7684\u67e5\u8a62\uff0c\u61c9\u9032\u884c\u512a\u5316\u3002\u53ef\u4ee5\u901a\u904e\u7d22\u5f15\u3001\u67e5\u8a62\u91cd\u5beb\u7b49\u65b9\u5f0f\u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6e1b\u5c11\u9023\u63a5\u7684\u4f54\u7528\u6642\u9593\u3002<\/p>\n<h3 id=\"3-%e7%a2%ba%e4%bf%9d%e6%ad%a3%e7%a2%ba%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-mlSXHZVohw\">3. \u78ba\u4fdd\u6b63\u78ba\u95dc\u9589\u9023\u63a5<\/h3>\n<p>\u5728\u4f7f\u7528\u5b8c\u6578\u64da\u5eab\u9023\u63a5\u5f8c\uff0c\u52d9\u5fc5\u78ba\u4fdd\u6b63\u78ba\u95dc\u9589\u9023\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528try-with-resources\u8a9e\u53e5\u4f86\u81ea\u52d5\u95dc\u9589\u9023\u63a5\uff1a<\/p>\n<pre><code>try (Connection conn = dataSource.getConnection()) {\n    \/\/ \u57f7\u884c\u67e5\u8a62\n} catch (SQLException e) {\n    e.printStackTrace();\n}<\/code><\/pre>\n<h3 id=\"4-%e5%af%a6%e6%96%bd%e9%80%a3%e6%8e%a5%e8%b6%85%e6%99%82%e7%ad%96%e7%95%a5-mlSXHZVohw\">4. \u5be6\u65bd\u9023\u63a5\u8d85\u6642\u7b56\u7565<\/h3>\n<p>\u8a2d\u7f6e\u9023\u63a5\u8d85\u6642\u53ef\u4ee5\u9632\u6b62\u9577\u6642\u9593\u4f54\u7528\u9023\u63a5\u7684\u60c5\u6cc1\u3002\u53ef\u4ee5\u5728\u9023\u63a5\u6c60\u914d\u7f6e\u4e2d\u8a2d\u7f6e\u9023\u63a5\u8d85\u6642\u53c3\u6578\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>config.setConnectionTimeout(30000); \/\/ \u8a2d\u7f6e\u9023\u63a5\u8d85\u6642\u70ba30\u79d2<\/code><\/pre>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8%e7%95%b0%e6%ad%a5%e8%99%95%e7%90%86-mlSXHZVohw\">5. \u4f7f\u7528\u7570\u6b65\u8655\u7406<\/h3>\n<p>\u5728\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u7570\u6b65\u8655\u7406\u4f86\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u76f4\u63a5\u8acb\u6c42\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u540c\u6642\u8acb\u6c42\u7684\u6578\u91cf\uff0c\u5f9e\u800c\u6e1b\u5c11\u9023\u63a5\u8017\u76e1\u7684\u98a8\u96aa\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mlSXHZVohw\">\u7e3d\u7d50<\/h2>\n<p>Java\u591a\u7dda\u7a0b\u6578\u64da\u5eab\u9023\u63a5\u8017\u76e1\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u914d\u7f6e\u548c\u512a\u5316\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u8abf\u6574\u9023\u63a5\u6c60\u914d\u7f6e\u3001\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3001\u78ba\u4fdd\u6b63\u78ba\u95dc\u9589\u9023\u63a5\u3001\u5be6\u65bd\u9023\u63a5\u8d85\u6642\u7b56\u7565\u4ee5\u53ca\u4f7f\u7528\u7570\u6b65\u8655\u7406\u90fd\u662f\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u652f\u6301\u6578\u64da\u5eab\u64cd\u4f5c\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Java\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u6570\u636e\u5e93\u8fde\u63a5\u8017\u5c3d\u7684\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff0c\u786e\u4fdd\u9ad8\u6548\u8d44\u6e90\u7ba1\u7406\u4e0e\u5e94\u7528\u6027\u80fd\u4f18\u5316\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-61907","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61907","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=61907"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61907\/revisions"}],"predecessor-version":[{"id":61908,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61907\/revisions\/61908"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}