{"id":62061,"date":"2024-10-13T15:51:14","date_gmt":"2024-10-13T07:51:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62061\/"},"modified":"2024-10-13T15:51:14","modified_gmt":"2024-10-13T07:51:14","slug":"java%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a8%8b%ef%bc%9a%e4%b8%80%e5%ae%9a%e8%a6%81%e5%90%8c%e6%99%82%e5%af%ab%e5%97%8e%ef%bc%9f-java%e5%90%8c%e6%99%82%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e5%97%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62061\/","title":{"rendered":"Java\u6578\u64da\u5eab\u7de8\u7a0b\uff1a\u4e00\u5b9a\u8981\u540c\u6642\u5beb\u55ce\uff1f (java\u540c\u6642\u5beb\u6578\u64da\u5eab\u55ce)"},"content":{"rendered":"<h1 id=\"java%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b7%a8%e7%a8%8b%ef%bc%9a%e4%b8%80%e5%ae%9a%e8%a6%81%e5%90%8c%e6%99%82%e5%af%ab%e5%97%8e%ef%bc%9f-BSzpVkfwuY\">Java\u6578\u64da\u5eab\u7de8\u7a0b\uff1a\u4e00\u5b9a\u8981\u540c\u6642\u5beb\u55ce\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7de8\u7a0b\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u63a2\u8a0eJava\u6578\u64da\u5eab\u7de8\u7a0b\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4e26\u5206\u6790\u5728Java\u4e2d\u662f\u5426\u9700\u8981\u540c\u6642\u5beb\u6578\u64da\u5eab\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"java%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%97%9c%e4%bf%82-BSzpVkfwuY\">Java\u8207\u6578\u64da\u5eab\u7684\u95dc\u4fc2<\/h2>\n<p>Java\u901a\u904eJava Database Connectivity\uff08JDBC\uff09API\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002JDBC\u662f\u4e00\u500b\u6a19\u6e96\u7684API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u9023\u63a5\u548c\u64cd\u4f5c\u3002\u4f7f\u7528JDBC\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u3001\u66f4\u65b0\u6578\u64da\u4ee5\u53ca\u8655\u7406\u7d50\u679c\u96c6\u3002<\/p>\n<h3 id=\"jdbc%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8-BSzpVkfwuY\">JDBC\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684JDBC\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u4e26\u57f7\u884c\u67e5\u8a62\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class DatabaseExample {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/mydatabase\";\n        String user = \"username\";\n        String password = \"password\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            Statement statement = connection.createStatement();\n            ResultSet resultSet = statement.executeQuery(\"SELECT * FROM mytable\");\n\n            while (resultSet.next()) {\n                System.out.println(\"Column1: \" + resultSet.getString(\"column1\"));\n            }\n\n            resultSet.close();\n            statement.close();\n            connection.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e5%90%8c%e6%99%82%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-BSzpVkfwuY\">\u540c\u6642\u5beb\u6578\u64da\u5eab\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728Java\u958b\u767c\u4e2d\uff0c&#8221;\u540c\u6642\u5beb\u6578\u64da\u5eab&#8221;\u901a\u5e38\u6307\u7684\u662f\u5728\u591a\u500b\u7dda\u7a0b\u6216\u9032\u7a0b\u4e2d\u540c\u6642\u5c0d\u6578\u64da\u5eab\u9032\u884c\u5beb\u5165\u64cd\u4f5c\u3002\u9019\u7a2e\u60c5\u6cc1\u5728\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u4e2d\u975e\u5e38\u5e38\u898b\uff0c\u4f8b\u5982\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u6216\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u3002<\/p>\n<h3 id=\"%e5%84%aa%e9%bb%9e-BSzpVkfwuY\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u540c\u6642\u5beb\u5165\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6642\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u5229\u7528\uff1a<\/strong>\u5145\u5206\u5229\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u6e1b\u5c11\u7b49\u5f85\u6642\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%8c%91%e6%88%b0-BSzpVkfwuY\">\u6311\u6230<\/h3>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u591a\u500b\u7dda\u7a0b\u540c\u6642\u5beb\u5165\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u6b7b\u9396\u98a8\u96aa\uff1a<\/strong>\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8acb\u6c42\u6578\u64da\u5eab\u8cc7\u6e90\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-BSzpVkfwuY\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u901a\u904e\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u6240\u6709\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002<\/li>\n<li><strong>\u9396\u6a5f\u5236\uff1a<\/strong>\u4f7f\u7528\u9396\u4f86\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\uff0c\u907f\u514d\u540c\u6642\u5beb\u5165\u5c0e\u81f4\u7684\u554f\u984c\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u8a08\uff1a<\/strong>\u5408\u7406\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u6e1b\u5c11\u5beb\u5165\u885d\u7a81\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<\/ul>\n<h2 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href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Java\u6578\u64da\u5eab\u7de8\u7a0b\u7684\u5fc5\u8981\u6027\uff0c\u4e86\u89e3\u662f\u5426\u61c9\u540c\u6642\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u6027\u80fd\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-62061","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62061","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=62061"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62061\/revisions"}],"predecessor-version":[{"id":62062,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62061\/revisions\/62062"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}