{"id":62117,"date":"2024-10-13T16:20:15","date_gmt":"2024-10-13T08:20:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62117\/"},"modified":"2024-10-13T16:20:15","modified_gmt":"2024-10-13T08:20:15","slug":"java%e6%87%89%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e5%85%a8%e8%a7%a3%e6%9e%90-java%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62117\/","title":{"rendered":"Java\u61c9\u7528\u6578\u64da\u5eab\u958b\u767c\u5168\u89e3\u6790 (java\u6240\u6709\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e6%87%89%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e5%85%a8%e8%a7%a3%e6%9e%90-java%e6%89%80%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab-iQSppEgxvr\">Java\u61c9\u7528\u6578\u64da\u5eab\u958b\u767c\u5168\u89e3\u6790 (Java\u6240\u6709\u6578\u64da\u5eab)<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0cJava\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u8207\u6578\u64da\u5eab\u7684\u6574\u5408\u662f\u5176\u6838\u5fc3\u529f\u80fd\u4e4b\u4e00\u3002\u7121\u8ad6\u662f\u4f01\u696d\u7d1a\u61c9\u7528\u9084\u662f\u5c0f\u578b\u9805\u76ee\uff0c\u6578\u64da\u5eab\u7684\u9078\u64c7\u548c\u4f7f\u7528\u90fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eJava\u61c9\u7528\u4e2d\u7684\u5404\u7a2e\u6578\u64da\u5eab\u53ca\u5176\u958b\u767c\u6280\u8853\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-iQSppEgxvr\">Java\u8207\u6578\u64da\u5eab\u7684\u95dc\u4fc2<\/h2>\n<p>Java\u63d0\u4f9b\u4e86\u591a\u7a2eAPI\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fJava Database Connectivity\uff08JDBC\uff09\u3002JDBC\u662f\u4e00\u500bJava API\uff0c\u5141\u8a31Java\u61c9\u7528\u7a0b\u5e8f\u8207\u5404\u7a2e\u6578\u64da\u5eab\u9032\u884c\u9023\u63a5\u548c\u64cd\u4f5c\u3002\u901a\u904eJDBC\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-iQSppEgxvr\">JDBC\u7684\u57fa\u672c\u4f7f\u7528<\/h3>\n<p>\u4f7f\u7528JDBC\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u52a0\u8f09\u6578\u64da\u5eab\u9a45\u52d5<\/li>\n<li>\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/li>\n<li>\u5275\u5efaStatement\u5c0d\u8c61<\/li>\n<li>\u57f7\u884cSQL\u67e5\u8a62<\/li>\n<li>\u8655\u7406\u7d50\u679c\u96c6<\/li>\n<li>\u95dc\u9589\u9023\u63a5<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528JDBC\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\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        try {\n            \/\/ \u52a0\u8f09MySQL\u9a45\u52d5\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            \/\/ \u5efa\u7acb\u9023\u63a5\n            Connection connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/mydb\", \"user\", \"password\");\n            \/\/ \u5275\u5efaStatement\u5c0d\u8c61\n            Statement statement = connection.createStatement();\n            \/\/ \u57f7\u884c\u67e5\u8a62\n            ResultSet resultSet = statement.executeQuery(\"SELECT * FROM users\");\n            \/\/ \u8655\u7406\u7d50\u679c\u96c6\n            while (resultSet.next()) {\n                System.out.println(\"User: \" + resultSet.getString(\"username\"));\n            }\n            \/\/ \u95dc\u9589\u9023\u63a5\n            connection.close();\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}<\/code><\/pre>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84java%e6%95%b8%e6%93%9a%e5%ba%ab-iQSppEgxvr\">\u5e38\u898b\u7684Java\u6578\u64da\u5eab<\/h2>\n<p>Java\u61c9\u7528\u4e2d\u5e38\u7528\u7684\u6578\u64da\u5eab\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u4e3b\u8981\u7684\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>MySQL<\/strong>\uff1a\u958b\u6e90\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bcWeb\u61c9\u7528\u4e2d\u3002<\/li>\n<li><strong>PostgreSQL<\/strong>\uff1a\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u652f\u6301\u8907\u96dc\u67e5\u8a62\u548c\u6578\u64da\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>Oracle Database<\/strong>\uff1a\u5546\u696d\u6578\u64da\u5eab\uff0c\u9069\u5408\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0c\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\u548c\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>MongoDB<\/strong>\uff1a\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u9069\u5408\u8655\u7406\u5927\u6578\u64da\u548c\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>SQLite<\/strong>\uff1a\u8f15\u91cf\u7d1a\u7684\u5d4c\u5165\u5f0f\u6578\u64da\u5eab\uff0c\u9069\u5408\u5c0f\u578b\u61c9\u7528\u548c\u79fb\u52d5\u8a2d\u5099\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%81%b8%e6%93%87%e7%9a%84%e8%80%83%e9%87%8f%e5%9b%a0%e7%b4%a0-iQSppEgxvr\">\u6578\u64da\u5eab\u9078\u64c7\u7684\u8003\u91cf\u56e0\u7d20<\/h3>\n<p>\u5728\u9078\u64c7\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u61c9\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7d50\u69cb<\/strong>\uff1a\u6839\u64da\u61c9\u7528\u7684\u6578\u64da\u7d50\u69cb\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u985e\u578b\uff08\u95dc\u4fc2\u578b\u6216\u975e\u95dc\u4fc2\u578b\uff09\u3002<\/li>\n<li><strong>\u6027\u80fd\u9700\u6c42<\/strong>\uff1a\u8003\u616e\u6578\u64da\u5eab\u7684\u8b80\u5beb\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u64f4\u5c55\u6027<\/strong>\uff1a\u9078\u64c7\u80fd\u5920\u96a8\u8457\u696d\u52d9\u589e\u9577\u800c\u64f4\u5c55\u7684\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u793e\u5340\u652f\u6301<\/strong>\uff1a\u958b\u6e90\u6578\u64da\u5eab\u901a\u5e38\u6709\u6d3b\u8e8d\u7684\u793e\u5340\u652f\u6301\uff0c\u80fd\u5920\u63d0\u4f9b\u5e6b\u52a9\u548c\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-iQSppEgxvr\">\u7d50\u8ad6<\/h2>\n<p>Java\u5728\u6578\u64da\u5eab\u958b\u767c\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u7121\u8ad6\u662f\u4f7f\u7528JDBC\u9032\u884c\u57fa\u672c\u64cd\u4f5c\uff0c\u9084\u662f\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u90fd\u9700\u8981\u6839\u64da\u5177\u9ad4\u9700\u6c42\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u65b0\u7684\u6578\u64da\u5eab\u6280\u8853\u548c\u5de5\u5177\u4e0d\u65b7\u51fa\u73fe\uff0c\u958b\u767c\u8005\u61c9\u4fdd\u6301\u5b78\u7fd2\u548c\u9069\u61c9\u7684\u80fd\u529b\uff0c\u4ee5\u4fbf\u5728\u4e0d\u65b7\u8b8a\u5316\u7684\u74b0\u5883\u4e2d\u4fdd\u6301\u7af6\u722d\u529b\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790Java\u61c9\u7528\u4e2d\u7684\u5404\u7a2e\u6578\u64da\u5eab\u958b\u767c\uff0c\u6db5\u84cb\u6240\u6709\u4e3b\u8981\u6578\u64da\u5eab\u6280\u8853\uff0c\u52a9\u60a8\u63d0\u5347\u958b\u767c\u6280\u80fd\u8207\u6548\u7387\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-62117","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62117","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=62117"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62117\/revisions"}],"predecessor-version":[{"id":62118,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62117\/revisions\/62118"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}