{"id":183740,"date":"2024-11-10T07:20:17","date_gmt":"2024-11-09T23:20:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183740\/"},"modified":"2024-11-10T07:20:18","modified_gmt":"2024-11-09T23:20:18","slug":"%e4%bd%bf%e7%94%a8java%e7%b7%a8%e7%a8%8b%e5%af%a6%e7%8f%be%e6%8e%a5%e6%94%b6%e5%af%a6%e9%ab%94%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-java-%e6%8e%a5%e6%94%b6%e5%af%a6%e9%ab%94%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183740\/","title":{"rendered":"\u4f7f\u7528Java\u7de8\u7a0b\u5be6\u73fe\u63a5\u6536\u5be6\u9ad4\u6578\u64da\u5eab\u6578\u64da (java \u63a5\u6536\u5be6\u9ad4\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8java%e7%b7%a8%e7%a8%8b%e5%af%a6%e7%8f%be%e6%8e%a5%e6%94%b6%e5%af%a6%e9%ab%94%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a-OwYuGOAuRA\">\u4f7f\u7528Java\u7de8\u7a0b\u5be6\u73fe\u63a5\u6536\u5be6\u9ad4\u6578\u64da\u5eab\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u5f9e\u5be6\u9ad4\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u548c\u8655\u7406\u6578\u64da\u3002Java\u4f5c\u70ba\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u7de8\u7a0b\u4f86\u63a5\u6536\u5be6\u9ad4\u6578\u64da\u5eab\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"1-%e7%90%86%e8%a7%a3jdbc-OwYuGOAuRA\">1. 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\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u6dfb\u52a0\u4e86\u76f8\u61c9\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u5230\u60a8\u7684Java\u9805\u76ee\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.SQLException;\n\npublic class DatabaseConnection {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            System.out.println(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff01\");\n            \/\/ \u5728\u9019\u88e1\u53ef\u4ee5\u9032\u884c\u6578\u64da\u64cd\u4f5c\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"3-%e5%9f%b7%e8%a1%8c%e6%9f%a5%e8%a9%a2%e4%b8%a6%e6%8e%a5%e6%94%b6%e6%95%b8%e6%93%9a-OwYuGOAuRA\">3. \u57f7\u884c\u67e5\u8a62\u4e26\u63a5\u6536\u6578\u64da<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u6aa2\u7d22\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.SQLException;\nimport java.sql.Statement;\n\npublic class FetchData {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql:\/\/localhost:3306\/your_database\";\n        String user = \"your_username\";\n        String password = \"your_password\";\n\n        try {\n            Connection connection = DriverManager.getConnection(url, user, password);\n            Statement statement = connection.createStatement();\n            String sql = \"SELECT * FROM your_table\";\n            ResultSet resultSet = statement.executeQuery(sql);\n\n            while (resultSet.next()) {\n                int id = resultSet.getInt(\"id\");\n                String name = resultSet.getString(\"name\");\n                System.out.println(\"ID: \" + id + \", Name: \" + name);\n            }\n\n            resultSet.close();\n            statement.close();\n            connection.close();\n        } catch (SQLException e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"4-%e8%99%95%e7%90%86%e7%95%b0%e5%b8%b8-OwYuGOAuRA\">4. 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\u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Java\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Java\u7de8\u7a0b\u63a5\u6536\u5be6\u9ad4\u6578\u64da\u5eab\u6578\u64da\uff0c\u63a2\u7d22\u6578\u64da\u5eab\u9023\u63a5\u3001\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u7684\u5be6\u7528\u6280\u5de7\u8207\u793a\u4f8b\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-183740","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183740","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=183740"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183740\/revisions"}],"predecessor-version":[{"id":183741,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183740\/revisions\/183741"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}