{"id":1923,"date":"2017-09-01T15:03:47","date_gmt":"2017-09-01T07:03:47","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=1923"},"modified":"2017-09-01T15:03:47","modified_gmt":"2017-09-01T07:03:47","slug":"hibernate%e7%9a%84%e4%b8%89%e7%a7%8d%e7%8a%b6%e6%80%81%ef%bc%9atransient%e7%9e%ac%e6%97%b6%e7%8a%b6%e6%80%81%e3%80%81persistent%e6%8c%81%e4%b9%85%e5%8c%96%e7%8a%b6%e6%80%81%e3%80%81detached","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=1923","title":{"rendered":"Hibernate\u7684\u4e09\u79cd\u72b6\u6001\uff1atransient(\u77ac\u65f6\u72b6\u6001)\u3001persistent(\u6301\u4e45\u5316\u72b6\u6001)\u3001detached(\u6e38\u79bb\u72b6\u6001)"},"content":{"rendered":"<p>\n\t\u6700\u8fd1\u9879\u76ee\u4e2d\u7528\u5230\u4e86Hibernate\uff0c\u5173\u4e8eHibernate\u7684\u4e09\u79cd\u6301\u4e45\u72b6\u6001\u8fdb\u884c\u4e86\u590d\u4e60\u3002\u672c\u6587\u603b\u7ed3\u4e86Hibernate\u7684\u4e09\u79cd\u72b6\u6001\u3002\n<\/p>\n<h2>\n\tHibernate\u7684\u4e09\u79cd\u72b6\u6001<br \/>\n<\/h2>\n<ul>\n<li>\n\t\ttransient(\u77ac\u65f6\u72b6\u6001)\uff1a\u77ac\u65f6\u72b6\u6001\u5c31\u662f\u521anew\u51fa\u6765\u4e00\u4e2a\u5bf9\u8c61\uff0c\u8fd8\u6ca1\u6709\u88ab\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\n\t<\/li>\n<li>\n\t\tpersistent(\u6301\u4e45\u5316\u72b6\u6001)\uff1a\u6301\u4e45\u5316\u72b6\u6001\u5c31\u662f\u5df2\u7ecf\u88ab\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\n\t<\/li>\n<li>\n\t\tdetached(\u6e38\u79bb\u72b6\u6001)\uff1a\u79bb\u7ebf\u72b6\u6001\u5c31\u662f\u6570\u636e\u5e93\u4e2d\u6709\uff0c\u4f46\u662fsession\u4e2d\u4e0d\u5b58\u5728\u8be5\u5bf9\u8c61\n\t<\/li>\n<\/ul>\n<p>\n\t\u5b83\u4eec\u4e4b\u95f4\u7684\u8f6c\u6362\u53ef\u4ee5\u7528\u4e0b\u56fe\u6765\u8bf4\u660e\uff1a\n<\/p>\n<p>\n\t<img decoding=\"async\" alt=\"Hibernate session \u72b6\u6001\u8f6c\u6362\" src=\"http:\/\/ocuzluml6.bkt.clouddn.com\/20170901001.jpg\" style=\"width: 594px;height: 315px\" \/>\n<\/p>\n<p>\n\ttransient\uff08\u77ac\u65f6\u72b6\u6001\uff09\u4e5f\u79f0\u4f5c\u4e34\u65f6\u72b6\u6001\u3002\n<\/p>\n<p>\n\t\u5f53new\u51fa\u6765\u4e00\u4e2a\u65b0\u5bf9\u8c61\uff0c\u8fd8\u6ca1\u6709\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\u7684\u65f6\u5019\uff0c\u5c31\u662ftransient\u72b6\u6001\u3002\u4ee3\u8868\u7684\u4f8b\u5b50\u5982\u4e0b\uff1a\n<\/p>\n<pre class=\"brush:java;\">\r\nsession = HibernateUtil.openSession();\r\nsession.beginTransaction();\r\nUser user = new User();\r\nuser.setUsername(&quot;\u4e1a\u4f59\u8349&quot;);\r\nuser.setPassword(&quot;www.xttblog.com&quot;);\r\nuser.setBorn(new Date());\r\n\/*\r\n *  \u4ee5\u4e0auser\u5c31\u662f\u4e00\u4e2aTransient(\u77ac\u65f6\u72b6\u6001),\u6b64\u65f6user\u5e76\u6ca1\u6709\u88absession\u8fdb\u884c\u6258\u7ba1\uff0c\u5373\u5728session\u7684\r\n *  \u7f13\u5b58\u4e2d\u8fd8\u4e0d\u5b58\u5728user\u8fd9\u4e2a\u5bf9\u8c61\uff0c\u5f53\u6267\u884c\u5b8csave\u65b9\u6cd5\u540e\uff0c\u6b64\u65f6user\u88absession\u6258\u7ba1\uff0c\u5e76\u4e14\u6570\u636e\u5e93\u4e2d\u5b58\u5728\u4e86\u8be5\u5bf9\u8c61\r\n *  user\u5c31\u53d8\u6210\u4e86\u4e00\u4e2aPersistent(\u6301\u4e45\u5316\u5bf9\u8c61)\r\n *\/<\/pre>\n<p>\n\t\u4e0a\u9762\u7684\u72b6\u6001\u5c31\u662f\u77ac\u65f6\u72b6\u6001\u3002\u5982\u679c\u6211\u4eec\u6267\u884c\u4e86save\u6216saveOrUpdate\u65b9\u6cd5\u5c31\u4f1a\u53d8\u6210\u6301\u4e45\u72b6\u6001\u3002\u4ee3\u8868\u7684\u4f8b\u5b50\u5982\u4e0b\uff1a\n<\/p>\n<pre class=\"brush:java;\">\r\n\/\/\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u540e\u8fb9\u52a0\u4e0a\u4fdd\u5b58\u65b9\u6cd5\r\nsession.save(user);\r\nsession.getTransaction().commit();<\/pre>\n<p>\n\t\u5f53\u4e34\u65f6\u72b6\u6001\u7684\u5bf9\u8c61\u88ab\u6267\u884csave\u4e4b\u540e\uff0c\u5c31\u4f1a\u88absession\u6258\u7ba1\uff0c\u5728session\u4e2d\u6709\u4e00\u4e2amap\u5b58\u653e\u7740user\u5bf9\u8c61\uff0c\u4e5f\u5c31\u662f\u8bf4user\u5bf9\u8c61\u88absession\u5f15\u7528\u7740\uff0c\u88absession\u7eb3\u5165\u7ba1\u7406\u4e86\u3002\u6b64\u65f6\u7684user\u5c31\u5904\u4e8e\u6301\u4e45\u72b6\u6001\u4e86\u3002\n<\/p>\n<p>\n\t\u5f53\u6301\u4e45\u72b6\u6001\u7684\u5bf9\u8c61user,\u5728session\u5173\u95ed\u4e4b\u540e\u5c31\u4f1a\u53d8\u6210\u6709\u6e38\u79bb\u72b6\u6001\u3002\n<\/p>\n<p>\n\t\u5982\u679c\u4e00\u4e2a\u5bf9\u8c61\u5df2\u7ecf\u662f\u6301\u4e45\u5316\u72b6\u6001\u4e86\uff0c\u90a3\u4e48\u6b64\u65f6\u5bf9\u8be5\u5bf9\u8c61\u8fdb\u884c\u5404\u79cd\u4fee\u6539\uff0c\u6216\u8005\u8c03\u7528\u591a\u6b21update\u3001save\u65b9\u6cd5\u65f6\uff0chibernate\u90fd\u4e0d\u4f1a\u53d1\u9001sql\u8bed\u53e5\uff0c\u53ea\u6709\u5f53\u4e8b\u7269\u63d0\u4ea4\u7684\u65f6\u5019\uff0c\u6b64\u65f6hibernate\u624d\u4f1a\u62ff\u5f53\u524d\u8fd9\u4e2a\u5bf9\u8c61\u4e0e\u4e4b\u524d\u4fdd\u5b58\u5728session\u4e2d\u7684\u6301\u4e45\u5316\u5bf9\u8c61\u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u4e0d\u76f8\u540c\u5c31\u53d1\u9001\u4e00\u6761update\u7684sql\u8bed\u53e5\uff0c\u5426\u5219\u5c31\u4e0d\u4f1a\u53d1\u9001update\u8bed\u53e5\u3002\n<\/p>\n<p>\n\t\u5f53session\u8c03\u7528load\u3001get\u65b9\u6cd5\u65f6\uff0c\u6b64\u65f6\u5982\u679c\u6570\u636e\u5e93\u4e2d\u6709\u8be5\u5bf9\u8c61\uff0c\u5219\u8be5\u5bf9\u8c61\u4e5f\u53d8\u6210\u4e86\u4e00\u4e2a\u6301\u4e45\u5316\u5bf9\u8c61\uff0c\u88absession\u6240\u6258\u7ba1\u3002\n<\/p>\n<h2>\n\t\u603b\u7ed3<br \/>\n<\/h2>\n<ul>\n<li>\n\t\t\u5bf9\u4e8e\u521a\u521b\u5efa\u7684\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5982\u679csession\u4e2d\u548c\u6570\u636e\u5e93\u4e2d\u90fd\u4e0d\u5b58\u5728\u8be5\u5bf9\u8c61\uff0c\u90a3\u4e48\u8be5\u5bf9\u8c61\u5c31\u662f\u77ac\u65f6\u5bf9\u8c61(Transient)\n\t<\/li>\n<li>\n\t\t\u77ac\u65f6\u5bf9\u8c61\u8c03\u7528save\u65b9\u6cd5\uff0c\u6216\u8005\u79bb\u7ebf\u5bf9\u8c61\u8c03\u7528update\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u8be5\u5bf9\u8c61\u53d8\u6210\u6301\u4e45\u5316\u5bf9\u8c61\uff0c\u5982\u679c\u5bf9\u8c61\u662f\u6301\u4e45\u5316\u5bf9\u8c61\u65f6\uff0c\u90a3\u4e48\u5bf9\u8be5\u5bf9\u8c61\u7684\u4efb\u4f55\u4fee\u6539\uff0c\u90fd\u4f1a\u5728\u63d0\u4ea4\u4e8b\u52a1\u65f6\u624d\u4f1a\u4e0e\u4e4b\u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u4e0d\u540c\uff0c\u5219\u53d1\u9001\u4e00\u6761update\u8bed\u53e5\uff0c\u5426\u5219\u5c31\u4e0d\u4f1a\u53d1\u9001\u8bed\u53e5\n\t<\/li>\n<li>\n\t\t\u79bb\u7ebf\u5bf9\u8c61\u5c31\u662f\uff0c\u6570\u636e\u5e93\u5b58\u5728\u8be5\u5bf9\u8c61\uff0c\u4f46\u662f\u8be5\u5bf9\u8c61\u53c8\u6ca1\u6709\u88absession\u6240\u6258\u7ba1\n\t<\/li>\n<\/ul>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=1923\">Hibernate\u7684\u4e09\u79cd\u72b6\u6001\uff1atransient(\u77ac\u65f6\u72b6\u6001)\u3001persistent(\u6301\u4e45\u5316\u72b6\u6001)\u3001detached(\u6e38\u79bb\u72b6\u6001)<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u9879\u76ee\u4e2d\u7528\u5230\u4e86Hibernate\uff0c\u5173\u4e8eHibernate\u7684\u4e09\u79cd\u6301\u4e45\u72b6\u6001\u8fdb\u884c\u4e86\u590d\u4e60\u3002\u672c\u6587\u603b\u7ed3\u4e86Hibernat [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[845,69],"class_list":["post-1923","post","type-post","status-publish","format-standard","hentry","category-java","tag-hibernate","tag-java"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1923"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1923\/revisions"}],"predecessor-version":[{"id":1924,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1923\/revisions\/1924"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}