{"id":171789,"date":"2024-11-07T07:40:19","date_gmt":"2024-11-06T23:40:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171789\/"},"modified":"2024-11-07T07:40:20","modified_gmt":"2024-11-06T23:40:20","slug":"%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%ef%bc%9anutz%e6%a1%86%e6%9e%b6%e6%8c%87%e5%8d%97-nutz%e6%a1%86%e6%9e%b6%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171789\/","title":{"rendered":"\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u67e5\u8a62\uff1anutz\u6846\u67b6\u6307\u5357 (nutz\u6846\u67b6\u9023\u63a5\u6578\u64da\u5eab\u67e5\u8a62)"},"content":{"rendered":"

\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u67e5\u8a62\uff1anutz\u6846\u67b6\u6307\u5357<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u4f01\u696d\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\u3002nutz\u6846\u67b6\u4f5c\u70ba\u4e00\u500b\u8f15\u91cf\u7d1a\u7684Java\u958b\u767c\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u529f\u80fd\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u67e5\u8a62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528nutz\u6846\u67b6\u9023\u63a5\u6578\u64da\u5eab\u4e26\u9032\u884c\u67e5\u8a62\u3002<\/p>\n

nutz\u6846\u67b6\u7c21\u4ecb<\/h2>\n

nutz\u6846\u67b6\u662f\u4e00\u500b\u958b\u6e90\u7684Java Web\u61c9\u7528\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316Java\u958b\u767c\u904e\u7a0b\u3002\u5b83\u7684\u8a2d\u8a08\u7406\u5ff5\u662f\u201c\u7c21\u55ae\u3001\u9748\u6d3b\u3001\u9ad8\u6548\u201d\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u529f\u80fd\uff0c\u5305\u62ecIoC\uff08\u63a7\u5236\u53cd\u8f49\uff09\u3001AOP\uff08\u9762\u5411\u5207\u9762\u7de8\u7a0b\uff09\u3001MVC\uff08\u6a21\u578b-\u8996\u5716-\u63a7\u5236\u5668\uff09\u7b49\u3002nutz\u6846\u67b6\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u6a21\u7d44\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u5eab\u7684\u9023\u63a5\u548c\u67e5\u8a62\u3002<\/p>\n

\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n

\u5728\u4f7f\u7528nutz\u6846\u67b6\u9032\u884c\u6578\u64da\u5eab\u67e5\u8a62\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u914d\u7f6e\u6578\u64da\u5eab\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

import org.nutz.dao.Dao;\nimport org.nutz.dao.impl.NutDao;\nimport org.nutz.dao.impl.SimpleDataSource;\n\npublic class DatabaseConnection {\n    public static void main(String[] args) {\n        \/\/ \u5275\u5efa\u6578\u64da\u6e90\n        SimpleDataSource ds = new SimpleDataSource();\n        ds.setJdbcUrl(\"jdbc:mysql:\/\/localhost:3306\/your_database\");\n        ds.setUser(\"your_username\");\n        ds.setPassword(\"your_password\");\n\n        \/\/ \u5275\u5efaDao\u5c0d\u8c61\n        Dao dao = new NutDao(ds);\n        \n        \/\/ \u6e2c\u8a66\u9023\u63a5\n        System.out.println(\"\u6578\u64da\u5eab\u9023\u63a5\u6210\u529f\uff01\");\n    }\n}\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500b\u6578\u64da\u6e90\uff0c\u7136\u5f8c\u4f7f\u7528\u8a72\u6578\u64da\u6e90\u5275\u5efa\u4e86\u4e00\u500bDao\u5c0d\u8c61\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u4f7f\u7528Dao\u5c0d\u8c61\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u4e86\u3002<\/p>\n
\u57f7\u884c\u67e5\u8a62<\/h2>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u958b\u59cb\u57f7\u884c\u67e5\u8a62\u3002nutz\u6846\u67b6\u63d0\u4f9b\u4e86\u591a\u7a2e\u67e5\u8a62\u65b9\u5f0f\uff0c\u5305\u62ec\u4f7f\u7528SQL\u8a9e\u53e5\u548c\u4f7f\u7528nutz\u7684Query API\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SQL\u8a9e\u53e5\u9032\u884c\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n
import org.nutz.dao.Cnd;\nimport org.nutz.dao.Dao;\nimport org.nutz.dao.impl.NutDao;\nimport org.nutz.dao.impl.SimpleDataSource;\nimport org.nutz.dao.entity.annotation.Table;\n\nimport java.util.List;\n\n@Table(\"user\")\npublic class User {\n    private int id;\n    private String name;\n    private String email;\n\n    \/\/ getters and setters\n}\n\npublic class DatabaseQuery {\n    public static void main(String[] args) {\n        \/\/ \u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\u7701\u7565...\n\n        \/\/ \u4f7f\u7528SQL\u67e5\u8a62\n        List users = dao.query(User.class, Cnd.where(\"name\", \"=\", \"John\"));\n        for (User user : users) {\n            System.out.println(\"\u7528\u6236ID: \" + user.getId() + \", \u540d\u7a31: \" + user.getName());\n        }\n    }\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500bUser\u985e\uff0c\u4e26\u4f7f\u7528Cnd\u689d\u4ef6\u4f86\u67e5\u8a62\u540d\u7a31\u70ba\u201cJohn\u201d\u7684\u7528\u6236\u3002\u67e5\u8a62\u7d50\u679c\u5c07\u4ee5\u5217\u8868\u7684\u5f62\u5f0f\u8fd4\u56de\uff0c\u4e26\u53ef\u4ee5\u9032\u4e00\u6b65\u8655\u7406\u3002<\/p>\n
\u4f7f\u7528nutz\u7684Query API<\/h2>\n
\u9664\u4e86\u4f7f\u7528SQL\u8a9e\u53e5\uff0cnutz\u6846\u67b6\u9084\u63d0\u4f9b\u4e86Query API\u4f86\u9032\u884c\u66f4\u9748\u6d3b\u7684\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Query API\u7684\u793a\u4f8b\uff1a<\/p>\n
import org.nutz.dao.QueryResult;\n\npublic class DatabaseQueryWithAPI {\n    public static void main(String[] args) {\n        \/\/ \u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\u7701\u7565...\n\n        \/\/ \u4f7f\u7528Query API\u67e5\u8a62\n        QueryResult qr = dao.query(User.class, Cnd.where(\"email\", \"LIKE\", \"%@example.com\"));\n        for (User user : qr.getList(User.class)) {\n            System.out.println(\"\u7528\u6236ID: \" + user.getId() + \", \u90f5\u7bb1: \" + user.getEmail());\n        }\n    }\n}\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u67e5\u8a62\u6240\u6709\u90f5\u7bb1\u4ee5\u201c@example.com\u201d\u7d50\u5c3e\u7684\u7528\u6236\uff0c\u4e26\u6253\u5370\u51fa\u4ed6\u5011\u7684ID\u548c\u90f5\u7bb1\u5730\u5740\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
nutz\u6846\u67b6\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u800c\u5f37\u5927\u7684\u65b9\u5f0f\u4f86\u9023\u63a5\u548c\u67e5\u8a62\u6578\u64da\u5eab\u3002\u901a\u904e\u7c21\u55ae\u7684\u914d\u7f6e\u548c\u9748\u6d3b\u7684\u67e5\u8a62API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5feb\u901f\u5be6\u73fe\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u958b\u767c\u6548\u7387\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0cnutz\u6846\u67b6\u90fd\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8f15\u9b06\u638c\u63e1nutz\u6846\u67b6\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u5eab\u67e5\u8a62\uff0c\u5feb\u901f\u9023\u63a5\u6578\u64da\u5eab\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\uff0c\u9069\u5408\u5404\u985e\u578b\u9805\u76ee\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-171789","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171789","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=171789"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171789\/revisions"}],"predecessor-version":[{"id":171790,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171789\/revisions\/171790"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}