{"id":179424,"date":"2024-11-09T01:42:19","date_gmt":"2024-11-08T17:42:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179424\/"},"modified":"2024-11-09T01:42:20","modified_gmt":"2024-11-08T17:42:20","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8b%e6%94%be%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8b%e6%94%be%e9%80%a3%e6%8e%a5%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179424\/","title":{"rendered":"\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578\uff1f (\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8b%e6%94%be%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-SDhnAowNSV\">\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578\uff1f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u8868\u73fe\u81f3\u95dc\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u9023\u63a5\u7684\u7ba1\u7406\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u904e\u591a\u7684\u9023\u63a5\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6e90\u7684\u6d6a\u8cbb\uff0c\u751a\u81f3\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u56e0\u6b64\uff0c\u512a\u5316\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578\u662f\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9700\u8981\u95dc\u6ce8\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%ef%bc%9f-SDhnAowNSV\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u9023\u63a5\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u9023\u63a5\u662f\u6307\u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u4e4b\u9593\u7684\u901a\u8a0a\u901a\u9053\u3002\u6bcf\u7576\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u4fbf\u6703\u5efa\u7acb\u4e00\u500b\u9023\u63a5\u3002\u9019\u4e9b\u9023\u63a5\u901a\u5e38\u662f\u6709\u9650\u7684\uff0c\u904e\u591a\u7684\u9023\u63a5\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u51fa\u73fe\u9023\u63a5\u8d85\u6642\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%87%8b%e6%94%be%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-SDhnAowNSV\">\u70ba\u4ec0\u9ebc\u9700\u8981\u91cb\u653e\u9023\u63a5\u6578\uff1f<\/h2>\n<p>\u91cb\u653e\u9023\u63a5\u6578\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u6bcf\u500b\u9023\u63a5\u90fd\u6703\u4f54\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u5305\u62ec\u5167\u5b58\u548c\u8655\u7406\u5668\u6642\u9593\u3002\u904e\u591a\u7684\u9023\u63a5\u6703\u5c0e\u81f4\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u91cb\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u9023\u63a5\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u907f\u514d\u9023\u63a5\u8d85\u9650\uff1a<\/strong>\u5982\u679c\u9023\u63a5\u6578\u9054\u5230\u6578\u64da\u5eab\u7684\u6700\u5927\u9650\u5236\uff0c\u65b0\u7684\u8acb\u6c42\u5c07\u7121\u6cd5\u5efa\u7acb\u9023\u63a5\uff0c\u9019\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u51fa\u73fe\u6545\u969c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8b%e6%94%be%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-SDhnAowNSV\">\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578\uff1f<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%80%a3%e6%8e%a5%e6%b1%a0-SDhnAowNSV\">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\u3002\u5b83\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u91cd\u8907\u4f7f\u7528\u5df2\u5efa\u7acb\u7684\u9023\u63a5\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u5275\u5efa\u65b0\u7684\u9023\u63a5\u3002\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u9023\u63a5\u7684\u5efa\u7acb\u548c\u91cb\u653e\u6642\u9593\u3002<\/p>\n<pre><code>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 DatabaseConnection {\n    private static BasicDataSource dataSource;\n\n    static {\n        dataSource = new BasicDataSource();\n        dataSource.setUrl(\"jdbc:mysql:\/\/localhost:3306\/mydb\");\n        dataSource.setUsername(\"user\");\n        dataSource.setPassword(\"password\");\n        dataSource.setInitialSize(5);\n        dataSource.setMaxTotal(10);\n    }\n\n    public static Connection getConnection() throws SQLException {\n        return dataSource.getConnection();\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e5%ae%9a%e6%9c%9f%e9%87%8b%e6%94%be%e9%96%92%e7%bd%ae%e9%80%a3%e6%8e%a5-SDhnAowNSV\">2. \u5b9a\u671f\u91cb\u653e\u9592\u7f6e\u9023\u63a5<\/h3>\n<p>\u5728\u4f7f\u7528\u9023\u63a5\u6c60\u7684\u60c5\u6cc1\u4e0b\uff0c\u61c9\u5b9a\u671f\u6aa2\u67e5\u4e26\u91cb\u653e\u9592\u7f6e\u7684\u9023\u63a5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u9023\u63a5\u6c60\u7684\u9592\u7f6e\u6642\u9593\u4f86\u5be6\u73fe\uff0c\u8d85\u904e\u8a72\u6642\u9593\u7684\u9023\u63a5\u5c07\u81ea\u52d5\u88ab\u91cb\u653e\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-SDhnAowNSV\">3. \u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u67e5\u8a62\u6027\u80fd\u7684\u512a\u5316\u53ef\u4ee5\u6e1b\u5c11\u6bcf\u500b\u9023\u63a5\u7684\u6301\u6709\u6642\u9593\u3002\u4f7f\u7528\u7d22\u5f15\u3001\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u67e5\u8a62\u4ee5\u53ca\u512a\u5316SQL\u8a9e\u53e5\u90fd\u662f\u6709\u6548\u7684\u65b9\u6cd5\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE status = 'active' AND created_at &gt; '2023-01-01';\n<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e7%95%b0%e6%ad%a5%e8%99%95%e7%90%86-SDhnAowNSV\">4. \u4f7f\u7528\u7570\u6b65\u8655\u7406<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u7570\u6b65\u8655\u7406\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u9023\u63a5\u9700\u6c42\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u7b49\u5f85\u6578\u64da\u5eab\u97ff\u61c9\u7684\u540c\u6642\uff0c\u8655\u7406\u5176\u4ed6\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-SDhnAowNSV\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\uff0c\u5c0d\u65bc\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u9023\u63a5\u6c60\u3001\u5b9a\u671f\u91cb\u653e\u9592\u7f6e\u9023\u63a5\u3001\u512a\u5316\u67e5\u8a62\u6027\u80fd\u4ee5\u53ca\u4f7f\u7528\u7570\u6b65\u8655\u7406\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u63d0\u5347\u696d\u52d9\u904b\u71df\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u91cb\u653e\u9023\u63a5\u6578\uff0c\u63d0\u9ad8\u6027\u80fd\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u9ad8\u6548\u904b\u884c\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-179424","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179424","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=179424"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179424\/revisions"}],"predecessor-version":[{"id":179425,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179424\/revisions\/179425"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}