{"id":195369,"date":"2024-11-13T14:27:19","date_gmt":"2024-11-13T06:27:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195369\/"},"modified":"2024-11-13T14:27:20","modified_gmt":"2024-11-13T06:27:20","slug":"%e5%84%aa%e9%9b%85%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%ef%bc%9agroovy-%e8%aa%9e%e8%a8%80%e5%bc%95%e9%a0%98%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%96%b0%e6%bd%ae%e6%b5%81-gr","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195369\/","title":{"rendered":"\u512a\u96c5\u5be6\u73fe\u6578\u64da\u67e5\u8a62\uff1agroovy \u8a9e\u8a00\u5f15\u9818\u6578\u64da\u5eab\u64cd\u4f5c\u65b0\u6f6e\u6d41 (groovy \u67e5\u8a62\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e9%9b%85%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%ef%bc%9agroovy-%e8%aa%9e%e8%a8%80%e5%bc%95%e9%a0%98%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%96%b0%e6%bd%ae%e6%b5%81-DKGxuTukBA\">\u512a\u96c5\u5be6\u73fe\u6578\u64da\u67e5\u8a62\uff1agroovy \u8a9e\u8a00\u5f15\u9818\u6578\u64da\u5eab\u64cd\u4f5c\u65b0\u6f6e\u6d41<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u548c\u9748\u6d3b\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u96a8\u8457\u5404\u7a2e\u7de8\u7a0b\u8a9e\u8a00\u7684\u767c\u5c55\uff0c<strong>Groovy<\/strong> \u8a9e\u8a00\u56e0\u5176\u7c21\u6f54\u6027\u548c\u5f37\u5927\u7684\u529f\u80fd\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u63a2\u8a0e Groovy \u8a9e\u8a00\u5728\u6578\u64da\u5eab\u67e5\u8a62\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u5c55\u793a\u5176\u5982\u4f55\u512a\u96c5\u5730\u5be6\u73fe\u6578\u64da\u67e5\u8a62\u3002<\/p>\n<h2 id=\"groovy-%e8%aa%9e%e8%a8%80%e6%a6%82%e8%bf%b0-DKGxuTukBA\">Groovy \u8a9e\u8a00\u6982\u8ff0<\/h2>\n<p>Groovy \u662f\u4e00\u7a2e\u57fa\u65bc Java \u5e73\u53f0\u7684\u52d5\u614b\u8a9e\u8a00\uff0c\u5177\u6709\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u5f37\u5927\u7684\u529f\u80fd\u3002\u5b83\u4e0d\u50c5\u53ef\u4ee5\u8207 Java \u7121\u7e2b\u96c6\u6210\uff0c\u9084\u652f\u6301\u8a31\u591a\u73fe\u4ee3\u7de8\u7a0b\u7279\u6027\uff0c\u5982\u9589\u5305\u3001\u5143\u7de8\u7a0b\u548c\u5167\u5efa\u7684\u96c6\u5408\u8655\u7406\u3002\u9019\u4f7f\u5f97 Groovy \u6210\u70ba\u958b\u767c\u8005\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\u7684\u4e00\u500b\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"groovy-%e8%88%87%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b4%e5%90%88-DKGxuTukBA\">Groovy \u8207\u6578\u64da\u5eab\u7684\u6574\u5408<\/h2>\n<p>Groovy \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u6700\u5e38\u898b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 <code>GORM<\/code>\uff08Grails Object Relational Mapping\uff09\uff0c\u9019\u662f\u4e00\u500b\u57fa\u65bc Groovy \u7684 ORM \u6846\u67b6\uff0c\u80fd\u5920\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u3002GORM \u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u5305\u62ec MySQL\u3001PostgreSQL \u548c Oracle \u7b49\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-gorm-%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2-DKGxuTukBA\">\u4f7f\u7528 GORM \u9032\u884c\u6578\u64da\u67e5\u8a62<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 GORM \u9032\u884c\u6578\u64da\u67e5\u8a62\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import grails.gorm.transactions.Transactional\n\n@Transactional\nclass UserService {\n    def getUserById(Long id) {\n        return User.get(id)\n    }\n\n    def getAllUsers() {\n        return User.list()\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b <code>UserService<\/code> \u985e\uff0c\u4e26\u4f7f\u7528 GORM \u7684 <code>get<\/code> \u548c <code>list<\/code> \u65b9\u6cd5\u4f86\u67e5\u8a62\u7528\u6236\u6578\u64da\u3002\u9019\u7a2e\u65b9\u5f0f\u4e0d\u50c5\u7c21\u5316\u4e86\u4ee3\u78bc\uff0c\u9084\u63d0\u9ad8\u4e86\u53ef\u8b80\u6027\u3002<\/p>\n<h2 id=\"groovy-%e7%9a%84-sql-%e6%94%af%e6%8c%81-DKGxuTukBA\">Groovy \u7684 SQL \u652f\u6301<\/h2>\n<p>\u9664\u4e86 GORM\uff0cGroovy \u9084\u63d0\u4f9b\u4e86\u5c0d\u539f\u751f SQL \u7684\u652f\u6301\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 Groovy \u7684 <code>Sql<\/code> \u985e\u4f86\u57f7\u884c SQL \u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Groovy \u7684 <code>Sql<\/code> \u985e\u9032\u884c\u6578\u64da\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import groovy.sql.Sql\n\ndef sql = Sql.newInstance('jdbc:mysql:\/\/localhost:3306\/mydb', 'user', 'password', 'com.mysql.cj.jdbc.Driver')\n\nsql.eachRow('SELECT * FROM users') { row -&gt;\n    println \"User: ${row.name}, Email: ${row.email}\"\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b <code>Sql<\/code> \u5be6\u4f8b\uff0c\u4e26\u4f7f\u7528 <code>eachRow<\/code> \u65b9\u6cd5\u4f86\u904d\u6b77\u67e5\u8a62\u7d50\u679c\u3002\u9019\u7a2e\u65b9\u6cd5\u4f7f\u5f97\u6578\u64da\u67e5\u8a62\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u548c\u9ad8\u6548\u3002<\/p>\n<h2 id=\"groovy-%e7%9a%84%e5%84%aa%e5%8b%a2-DKGxuTukBA\">Groovy \u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u7c21\u6f54\u7684\u8a9e\u6cd5\uff1a<\/strong>Groovy \u7684\u8a9e\u6cd5\u6bd4 Java \u66f4\u52a0\u7c21\u55ae\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7528\u66f4\u5c11\u7684\u4ee3\u78bc\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\u3002<\/li>\n<li><strong>\u5f37\u5927\u7684\u529f\u80fd\uff1a<\/strong>Groovy \u652f\u6301\u9589\u5305\u548c\u5143\u7de8\u7a0b\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u66f4\u5177\u8868\u9054\u529b\u7684\u4ee3\u78bc\u3002<\/li>\n<li><strong>\u826f\u597d\u7684\u517c\u5bb9\u6027\uff1a<\/strong>Groovy \u53ef\u4ee5\u8207 Java \u7121\u7e2b\u96c6\u6210\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528\u73fe\u6709\u7684 Java \u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-DKGxuTukBA\">\u7d50\u8ad6<\/h2>\n<p>Groovy \u8a9e\u8a00\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u5c55\u73fe\u4e86\u5176\u512a\u96c5\u548c\u9ad8\u6548\u7684\u7279\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528 GORM \u9032\u884c\u5c0d\u8c61\u95dc\u806f\u6620\u5c04\uff0c\u9084\u662f\u4f7f\u7528\u539f\u751f SQL \u9032\u884c\u9748\u6d3b\u67e5\u8a62\uff0cGroovy \u90fd\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u7c21\u5316\u6578\u64da\u67e5\u8a62\u7684\u904e\u7a0b\u3002\u96a8\u8457\u6578\u64da\u9700\u6c42\u7684\u589e\u9577\uff0cGroovy \u5c07\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u626e\u6f14\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Groovy\u8a9e\u8a00\u512a\u96c5\u5730\u5be6\u73fe\u6578\u64da\u67e5\u8a62\uff0c\u958b\u5275\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u65b0\u6f6e\u6d41\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\u8207\u9748\u6d3b\u6027\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-195369","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195369","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=195369"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195369\/revisions"}],"predecessor-version":[{"id":195370,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195369\/revisions\/195370"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}