{"id":62097,"date":"2024-10-13T16:09:17","date_gmt":"2024-10-13T08:09:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62097\/"},"modified":"2024-10-13T16:09:17","modified_gmt":"2024-10-13T08:09:17","slug":"java%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%a0%e5%b0%84%ef%bc%9a%e7%b0%a1%e5%8c%96%e9%96%8b%e7%99%bc%e6%b5%81%e7%a8%8b%ef%bc%8c%e6%8f%90%e9%ab%98%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd-%e6%98%a0%e5%b0%84java","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62097\/","title":{"rendered":"Java\u6578\u64da\u5eab\u6620\u5c04\uff1a\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd (\u6620\u5c04java\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"java%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%a0%e5%b0%84%ef%bc%9a%e7%b0%a1%e5%8c%96%e9%96%8b%e7%99%bc%e6%b5%81%e7%a8%8b%ef%bc%8c%e6%8f%90%e9%ab%98%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd-usqkeSOBaN\">Java\u6578\u64da\u5eab\u6620\u5c04\uff1a\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\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\u6578\u64da\u5eab\u6620\u5c04\u6280\u8853\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u4e26\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0eJava\u6578\u64da\u5eab\u6620\u5c04\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5e38\u898b\u6280\u8853\u53ca\u5176\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%a0%e5%b0%84%ef%bc%9f-usqkeSOBaN\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u6620\u5c04\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u6620\u5c04\uff08Database Mapping\uff09\u662f\u5c07\u5c0d\u8c61\u5c0e\u5411\u7de8\u7a0b\u4e2d\u7684\u5c0d\u8c61\u8207\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u8868\u9032\u884c\u6620\u5c04\u7684\u904e\u7a0b\u3002\u9019\u4e00\u904e\u7a0b\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u5c0d\u8c61\u4f86\u64cd\u4f5c\u6578\u64da\uff0c\u800c\u4e0d\u5fc5\u76f4\u63a5\u7de8\u5bebSQL\u8a9e\u53e5\u3002\u9019\u6a23\u4e0d\u50c5\u63d0\u9ad8\u4e86\u958b\u767c\u6548\u7387\uff0c\u9084\u6e1b\u5c11\u4e86\u932f\u8aa4\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<h2 id=\"java%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%a0%e5%b0%84%e6%8a%80%e8%a1%93-usqkeSOBaN\">Java\u4e2d\u7684\u6578\u64da\u5eab\u6620\u5c04\u6280\u8853<\/h2>\n<p>\u5728Java\u4e2d\uff0c\u6700\u5e38\u898b\u7684\u6578\u64da\u5eab\u6620\u5c04\u6280\u8853\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>JDBC\uff08Java Database Connectivity\uff09<\/strong>: JDBC\u662fJava\u63d0\u4f9b\u7684\u6a19\u6e96API\uff0c\u7528\u65bc\u9023\u63a5\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u3002\u96d6\u7136JDBC\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u4f46\u958b\u767c\u8005\u9700\u8981\u624b\u52d5\u7de8\u5bebSQL\u8a9e\u53e5\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee3\u78bc\u7684\u8907\u96dc\u6027\u589e\u52a0\u3002<\/li>\n<li><strong>ORM\uff08Object-Relational Mapping\uff09<\/strong>: ORM\u662f\u4e00\u7a2e\u81ea\u52d5\u5316\u7684\u6578\u64da\u5eab\u6620\u5c04\u6280\u8853\uff0c\u901a\u904e\u5c07\u6578\u64da\u5eab\u8868\u6620\u5c04\u5230Java\u5c0d\u8c61\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u5c0d\u8c61\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u5e38\u898b\u7684ORM\u6846\u67b6\u5305\u62ecHibernate\u548cJPA\uff08Java Persistence API\uff09\u3002<\/li>\n<\/ul>\n<h3 id=\"hibernate%e7%9a%84%e5%84%aa%e5%8b%a2-usqkeSOBaN\">Hibernate\u7684\u512a\u52e2<\/h3>\n<p>Hibernate\u662f\u4e00\u500b\u6d41\u884c\u7684ORM\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u7c21\u5316\u958b\u767c\u6d41\u7a0b<\/strong>: \u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u5c0d\u8c61\u64cd\u4f5c\u6578\u64da\uff0c\u7121\u9700\u7de8\u5beb\u7e41\u7463\u7684SQL\u8a9e\u53e5\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316<\/strong>: Hibernate\u63d0\u4f9b\u4e86\u7de9\u5b58\u6a5f\u5236\uff0c\u80fd\u5920\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6b21\u6578\uff0c\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<li><strong>\u8de8\u6578\u64da\u5eab\u652f\u6301<\/strong>: Hibernate\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5207\u63db\u6578\u64da\u5eab\u800c\u7121\u9700\u4fee\u6539\u4ee3\u78bc\u3002<\/li>\n<\/ul>\n<h3 id=\"jpa%e7%9a%84%e7%89%b9%e9%bb%9e-usqkeSOBaN\">JPA\u7684\u7279\u9ede<\/h3>\n<p>JPA\u662fJava EE\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u6a19\u6e96\u7684ORM\u89e3\u6c7a\u65b9\u6848\u3002\u5176\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6a19\u6e96\u5316<\/strong>: JPA\u63d0\u4f9b\u4e86\u4e00\u500b\u7d71\u4e00\u7684API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5be6\u73fe\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u4ee3\u78bc\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027<\/strong>: JPA\u652f\u6301\u591a\u7a2e\u67e5\u8a62\u8a9e\u8a00\uff0c\u5305\u62ecJPQL\uff08Java Persistence Query Language\uff09\uff0c\u4f7f\u5f97\u67e5\u8a62\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8hibernate%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%a0%e5%b0%84-usqkeSOBaN\">\u5982\u4f55\u4f7f\u7528Hibernate\u9032\u884c\u6578\u64da\u5eab\u6620\u5c04<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Hibernate\u6578\u64da\u5eab\u6620\u5c04\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n@Entity\n@Table(name = \"users\")\npublic class User {\n    @Id\n    @GeneratedValue(strategy = GenerationType.IDENTITY)\n    private Long id;\n\n    @Column(name = \"username\")\n    private String username;\n\n    @Column(name = \"password\")\n    private String password;\n\n    \/\/ Getters and Setters\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70baUser\u7684\u5be6\u9ad4\u985e\uff0c\u4e26\u4f7f\u7528\u8a3b\u89e3\u5c07\u5176\u6620\u5c04\u5230\u6578\u64da\u5eab\u4e2d\u7684users\u8868\u3002\u9019\u6a23\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904eUser\u5c0d\u8c61\u4f86\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u800c\u7121\u9700\u76f4\u63a5\u7de8\u5bebSQL\u8a9e\u53e5\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-usqkeSOBaN\">\u7d50\u8ad6<\/h2>\n<p>Java\u6578\u64da\u5eab\u6620\u5c04\u6280\u8853\u4e0d\u50c5\u7c21\u5316\u4e86\u958b\u767c\u6d41\u7a0b\uff0c\u9084\u63d0\u9ad8\u4e86\u7cfb\u7d71\u6027\u80fd\u3002\u901a\u904e\u4f7f\u7528ORM\u6846\u67b6\u5982Hibernate\u548cJPA\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5c08\u6ce8\u65bc\u696d\u52d9\u908f\u8f2f\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u5e95\u5c64\u6578\u64da\u5eab\u7684\u7d30\u7bc0\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u9019\u4e9b\u5de5\u5177\u5c07\u7e7c\u7e8c\u5728Java\u958b\u767c\u4e2d\u626e\u6f14\u91cd\u8981\u89d2\u8272\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u958b\u767c\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u7cfb\u7d71\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Java\u6578\u64da\u5eab\u6620\u5c04\u6280\u8853\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u52a9\u529b\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u61c9\u7528\u958b\u767c\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-62097","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62097","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=62097"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62097\/revisions"}],"predecessor-version":[{"id":62098,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62097\/revisions\/62098"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}