{"id":188504,"date":"2024-11-11T23:18:28","date_gmt":"2024-11-11T15:18:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188504\/"},"modified":"2024-11-11T23:18:29","modified_gmt":"2024-11-11T15:18:29","slug":"%e6%8e%a2%e7%a7%98hibernate%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e6%8a%80%e5%b7%a7-hibernate%e5%a6%82%e4%bd%95%e4%bf%9d%e5%ad%98%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188504\/","title":{"rendered":"\u63a2\u79d8Hibernate\uff1a\u6578\u64da\u5eab\u5b58\u5132\u6280\u5de7 (hibernate\u5982\u4f55\u4fdd\u5b58\u5230\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e7%a7%98hibernate%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%98%e5%84%b2%e6%8a%80%e5%b7%a7-PqHdKIAATq\">\u63a2\u79d8Hibernate\uff1a\u6578\u64da\u5eab\u5b58\u5132\u6280\u5de7<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u4ef6\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Hibernate\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684Java\u6301\u4e45\u5316\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u5c07Java\u5c0d\u8c61\u6620\u5c04\u5230\u6578\u64da\u5eab\u8868\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eHibernate\u5982\u4f55\u5c07\u6578\u64da\u4fdd\u5b58\u5230\u6578\u64da\u5eab\uff0c\u4e26\u5206\u4eab\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afhibernate%ef%bc%9f-PqHdKIAATq\">\u4ec0\u9ebc\u662fHibernate\uff1f<\/h2>\n<p>Hibernate\u662f\u4e00\u500b\u958b\u6e90\u7684\u5c0d\u8c61\u95dc\u4fc2\u6620\u5c04\uff08ORM\uff09\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316Java\u61c9\u7528\u7a0b\u5e8f\u8207\u6578\u64da\u5eab\u4e4b\u9593\u7684\u4ea4\u4e92\u3002\u5b83\u901a\u904e\u5c07Java\u985e\u6620\u5c04\u5230\u6578\u64da\u5eab\u8868\uff0c\u4e26\u5c07Java\u6578\u64da\u985e\u578b\u6620\u5c04\u5230SQL\u6578\u64da\u985e\u578b\uff0c\u4f86\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002Hibernate\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u80fd\u5920\u6e1b\u5c11\u958b\u767c\u8005\u7684\u5de5\u4f5c\u91cf\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"hibernate%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-PqHdKIAATq\">Hibernate\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<ul>\n<li><strong>SessionFactory\uff1a<\/strong>\u9019\u662fHibernate\u7684\u6838\u5fc3\u63a5\u53e3\uff0c\u7528\u65bc\u5275\u5efaSession\u5c0d\u8c61\u3002SessionFactory\u662f\u7dda\u7a0b\u5b89\u5168\u7684\uff0c\u901a\u5e38\u5728\u61c9\u7528\u555f\u52d5\u6642\u5275\u5efa\u4e00\u6b21\u3002<\/li>\n<li><strong>Session\uff1a<\/strong>\u9019\u662f\u8207\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u4e3b\u8981\u63a5\u53e3\u3002\u6bcf\u500bSession\u90fd\u662f\u975e\u7dda\u7a0b\u5b89\u5168\u7684\uff0c\u61c9\u8a72\u5728\u6bcf\u6b21\u64cd\u4f5c\u6642\u5275\u5efa\u548c\u95dc\u9589\u3002<\/li>\n<li><strong>Transaction\uff1a<\/strong>Hibernate\u652f\u6301\u4e8b\u52d9\u7ba1\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904eTransaction\u5c0d\u8c61\u4f86\u63a7\u5236\u4e8b\u52d9\u7684\u958b\u59cb\u3001\u63d0\u4ea4\u548c\u56de\u6efe\u3002<\/li>\n<li><strong>\u6620\u5c04\u6587\u4ef6\uff1a<\/strong>Hibernate\u4f7f\u7528XML\u6216\u8a3b\u89e3\u4f86\u5b9a\u7fa9Java\u985e\u8207\u6578\u64da\u5eab\u8868\u4e4b\u9593\u7684\u6620\u5c04\u95dc\u4fc2\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8hibernate%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a-PqHdKIAATq\">\u5982\u4f55\u4f7f\u7528Hibernate\u4fdd\u5b58\u6578\u64da<\/h2>\n<p>\u4f7f\u7528Hibernate\u4fdd\u5b58\u6578\u64da\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u4ee5\u4e0b\u662f\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e9%85%8d%e7%bd%aehibernate-PqHdKIAATq\">1. \u914d\u7f6eHibernate<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u914d\u7f6eHibernate\u7684\u8a2d\u7f6e\uff0c\u5305\u62ec\u6578\u64da\u5eab\u9023\u63a5\u4fe1\u606f\u548c\u6620\u5c04\u6587\u4ef6\u3002\u9019\u901a\u5e38\u5728\u4e00\u500b\u540d\u70bahibernate.cfg.xml\u7684\u6587\u4ef6\u4e2d\u9032\u884c\u914d\u7f6e\uff1a<\/p>\n<pre><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\"?&gt;\n&lt;!DOCTYPE hibernate-configuration PUBLIC \"-\/\/Hibernate\/Hibernate-Configuration\/\/EN\" \"http:\/\/hibernate.sourceforge.net\/hibernate-configuration-3.0.dtd\"&gt;\n&lt;hibernate-configuration&gt;\n    &lt;session-factory&gt;\n        &lt;property name=\"hibernate.dialect\"&gt;org.hibernate.dialect.MySQLDialect&lt;\/property&gt;\n        &lt;property name=\"hibernate.connection.driver_class\"&gt;com.mysql.cj.jdbc.Driver&lt;\/property&gt;\n        &lt;property name=\"hibernate.connection.url\"&gt;jdbc:mysql:\/\/localhost:3306\/your_database&lt;\/property&gt;\n        &lt;property name=\"hibernate.connection.username\"&gt;your_username&lt;\/property&gt;\n        &lt;property name=\"hibernate.connection.password\"&gt;your_password&lt;\/property&gt;\n        &lt;mapping class=\"com.example.YourEntity\"\/&gt;\n    &lt;\/session-factory&gt;\n&lt;\/hibernate-configuration&gt;<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%basession%e5%92%8ctransaction-PqHdKIAATq\">2. \u5275\u5efaSession\u548cTransaction<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5275\u5efaSession\u548cTransaction\u4ee5\u4fbf\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff1a<\/p>\n<pre><code>SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();\nSession session = sessionFactory.openSession();\nTransaction transaction = session.beginTransaction();<\/code><\/pre>\n<h3 id=\"3-%e4%bf%9d%e5%ad%98%e6%95%b8%e6%93%9a-PqHdKIAATq\">3. \u4fdd\u5b58\u6578\u64da<\/h3>\n<p>\u4f7f\u7528Session\u7684save()\u65b9\u6cd5\u4f86\u4fdd\u5b58\u6578\u64da\uff1a<\/p>\n<pre><code>YourEntity entity = new YourEntity();\nentity.setField1(\"value1\");\nentity.setField2(\"value2\");\nsession.save(entity);<\/code><\/pre>\n<h3 id=\"4-%e6%8f%90%e4%ba%a4%e4%ba%8b%e5%8b%99-PqHdKIAATq\">4. \u63d0\u4ea4\u4e8b\u52d9<\/h3>\n<p>\u6700\u5f8c\uff0c\u63d0\u4ea4\u4e8b\u52d9\u4e26\u95dc\u9589Session\uff1a<\/p>\n<pre><code>transaction.commit();\nsession.close();<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90%e8%88%87%e6%8a%80%e5%b7%a7-PqHdKIAATq\">\u6700\u4f73\u5be6\u8e10\u8207\u6280\u5de7<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u6279\u91cf\u8655\u7406\uff1a<\/strong>\u5c0d\u65bc\u5927\u91cf\u6578\u64da\u7684\u63d2\u5165\uff0c\u4f7f\u7528Hibernate\u7684\u6279\u91cf\u8655\u7406\u529f\u80fd\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u5408\u7406\u914d\u7f6e\u7de9\u5b58\uff1a<\/strong>\u5229\u7528Hibernate\u7684\u4e8c\u7d1a\u7de9\u5b58\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6b21\u6578\uff0c\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528Lazy Loading\uff1a<\/strong>\u5728\u9700\u8981\u6642\u624d\u52a0\u8f09\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u52a0\u8f09\uff0c\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PqHdKIAATq\">\u7e3d\u7d50<\/h2>\n<p>Hibernate\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684ORM\u6846\u67b6\uff0c\u70baJava\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u65b9\u5f0f\u3002\u901a\u904e\u5408\u7406\u7684\u914d\u7f6e\u548c\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u6578\u64da\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d\uff0c\u4e26\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Hibernate\u61c9\u7528\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u5feb\u901f\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Hibernate\u7684\u6578\u64da\u5eab\u5b58\u5132\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u5c07\u6578\u64da\u4fdd\u5b58\u5230\u6578\u64da\u5eab\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u7ba1\u7406\u6548\u7387\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-188504","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188504","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=188504"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188504\/revisions"}],"predecessor-version":[{"id":188505,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188504\/revisions\/188505"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}