{"id":1895,"date":"2017-01-16T11:46:33","date_gmt":"2017-01-16T03:46:33","guid":{"rendered":"https:\/\/ai.zhousir.top\/?p=1895"},"modified":"2017-02-05T11:54:51","modified_gmt":"2017-02-05T03:54:51","slug":"hibernate%e7%bc%93%e5%ad%98","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=1895","title":{"rendered":"Hibernate\u7f13\u5b58"},"content":{"rendered":"<h2>\u4e00\u3001\u7f13\u5b58<\/h2>\n<h3>1\u3001hibernate\u7f13\u5b58\u673a\u5236<\/h3>\n<p>\u7f13\u5b58\u4ecb\u4e8e\u5e94\u7528\u7a0b\u5e8f\u548c\u7269\u7406\u6570\u636e\u6e90\u4e4b\u95f4\uff0c\u5176\u4f5c\u7528\u662f\u4e3a\u4e86\u964d\u4f4e\u5e94\u7528\u7a0b\u5e8f\u5bf9\u7269\u7406\u6570\u636e\u6e90\u8bbf\u95ee\u7684\u9891\u6b21\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u5e94\u7528\u7684\u8fd0\u884c\u6027\u80fd\u3002\u7f13\u5b58\u5185\u7684\u6570\u636e\u662f\u5bf9\u7269\u7406\u6570\u636e\u6e90\u4e2d\u7684\u6570\u636e\u7684\u590d\u5236\uff0c\u5e94\u7528\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\u4ece\u7f13\u5b58\u8bfb\u5199\u6570\u636e\uff0c\u5728\u7279\u5b9a\u7684\u65f6\u523b\u6216\u4e8b\u4ef6\u4f1a\u540c\u6b65\u7f13\u5b58\u548c\u7269\u7406\u6570\u636e\u6e90\u7684\u6570\u636e\u3002<\/p>\n<p>\u7f13\u5b58\u7684\u4ecb\u8d28\u4e00\u822c\u662f\u5185\u5b58\uff0c\u6240\u4ee5\u8bfb\u5199\u901f\u5ea6\u5f88\u5feb\u3002\u4f46\u5982\u679c\u7f13\u5b58\u4e2d\u5b58\u653e\u7684\u6570\u636e\u91cf\u975e\u5e38\u5927\u65f6\uff0c\u4e5f\u4f1a\u7528\u786c\u76d8\u4f5c\u4e3a\u7f13\u5b58\u4ecb\u8d28\u3002\u7f13\u5b58\u7684\u5b9e\u73b0\u4e0d\u4ec5\u4ec5\u8981\u8003\u8651\u5b58\u50a8\u7684\u4ecb\u8d28\uff0c\u8fd8\u8981\u8003\u8651\u5230\u7ba1\u7406\u7f13\u5b58\u7684\u5e76\u53d1\u8bbf\u95ee\u548c\u7f13\u5b58\u6570\u636e\u7684\u751f\u547d\u5468\u671f\u3002\u56e0\u6b64\u7f13\u5b58\u7684\u5b9e\u73b0\u4e0d\u4ec5\u9700\u8981\u786c\u4ef6\u652f\u6301\u8fd8\u9700\u8981\u8f6f\u4ef6\u5b9e\u73b0\u3002<\/p>\n<p>Hibernate\u7684\u7f13\u5b58\u5305\u62ecSession\u7684\u7f13\u5b58\u548cSessionFactory\u7684\u7f13\u5b58\uff0c\u5176\u4e2dSessionFactory\u7684\u7f13\u5b58\u53c8\u53ef\u4ee5\u5206\u4e3a\u4e24\u7c7b\uff1a\u5185\u7f6e\u7f13\u5b58\u548c\u5916\u7f6e\u7f13\u5b58\u3002Session\u7684\u7f13\u5b58\u662f\u5185\u7f6e\u7684\uff0c\u4e0d\u80fd\u88ab\u5378\u8f7d\uff0c\u4e5f\u88ab\u79f0\u4e3aHibernate\u7684\u7b2c\u4e00\u7ea7\u7f13\u5b58\u3002SessionFactory\u7684\u5185\u7f6e\u7f13\u5b58\u548cSession\u7684\u7f13\u5b58\u5728\u5b9e\u73b0\u65b9\u5f0f\u4e0a\u6bd4\u8f83\u76f8\u4f3c\uff0c\u524d\u8005SessionFactory\u5bf9\u8c61\u7684\u4e00\u4e9b\u96c6\u5408\u5c5e\u6027\u5305\u542b\u7684\u6570\u636e\uff0c\u540e\u8005\u662f\u6307Session\u7684\u4e00\u4e9b\u96c6\u5408\u5c5e\u6027\u5305\u542b\u7684\u6570\u636e\u3002SessionFactory\u7684\u5185\u7f6e\u7f13\u5b58\u4e2d\u5b58\u653e\u4e86\u6620\u5c04\u5143\u6570\u636e\u548c\u9884\u5b9a\u4e49SQL\u8bed\u53e5\uff0c\u6620\u5c04\u5143\u6570\u636e\u662f\u6620\u5c04\u6587\u4ef6\u4e2d\u6570\u636e\u7684\u62f7\u8d1d\uff0c\u800c\u9884\u5b9a\u4e49SQL\u8bed\u53e5\u662f\u5728Hibernate\u521d\u59cb\u5316\u9636\u6bb5\u6839\u636e\u6620\u5c04\u5143\u6570\u636e\u63a8\u5bfc\u51fa\u6765\uff0cSessionFactory\u7684\u5185\u7f6e\u7f13\u5b58\u662f\u53ea\u8bfb\u7684\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e0d\u80fd\u4fee\u6539\u7f13\u5b58\u4e2d\u7684\u6620\u5c04\u5143\u6570\u636e\u548c\u9884\u5b9a\u4e49SQL\u8bed\u53e5\uff0c\u56e0\u6b64SessionFactory\u4e0d\u9700\u8981\u8fdb\u884c\u5185\u7f6e\u7f13\u5b58\u4e0e\u6620\u5c04\u6587\u4ef6\u7684\u540c\u6b65\u3002SessionFactory\u7684\u5916\u7f6e\u7f13\u5b58\u662f\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u63d2\u4ef6\u3002\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cSessionFactory\u4e0d\u4f1a\u542f\u7528\u8fd9\u4e2a\u63d2\u4ef6\u3002\u5916\u7f6e\u7f13\u5b58\u7684\u6570\u636e\u662f\u6570\u636e\u5e93\u6570\u636e\u7684\u62f7\u8d1d\uff0c\u5916\u7f6e\u7f13\u5b58\u7684\u4ecb\u8d28\u53ef\u4ee5\u662f\u5185\u5b58\u6216\u8005\u786c\u76d8\u3002SessionFactory\u7684\u5916\u7f6e\u7f13\u5b58\u4e5f\u88ab\u79f0\u4e3aHibernate\u7684\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u3002<\/p>\n<h3>2\u3001hibernate\u4e24\u79cd\u7f13\u5b58<\/h3>\n<h3>\u4e00\u7ea7\u7f13\u5b58<\/h3>\n<p>\u4e00\u7ea7\u7f13\u5b58\u9ed8\u8ba4\u5f00\u542f\uff0c\u4e0d\u9700\u5f00\u53d1\u8005\u914d\u7f6e\u5e72\u9884\uff0c\u56e0\u6b64\u4e5f\u65e0\u6cd5\u5378\u8f7d\uff08\u5c31\u662f\u4e0d\u5f97\u4e0d\u7528\uff09\u3002\u9ed8\u8ba4\u4e3asession\u7ea7\u522b\uff0c\u6bd4\u5982\u4f60\u5f00\u542f\u4e00\u4e2asession\uff0c\u7528\u8fd9\u4e2asession\u8fdb\u884c\u4e00\u6b21\u67e5\u8be2\uff08get\u6216\u8005load\uff09\uff0chibernate\u4f1a\u628a\u67e5\u8be2\u7684\u7ed3\u679c\u653e\u8fdb\u7f13\u5b58\u4e2d\uff0c\u5728\u8be5session\u5173\u95ed\u4e4b\u524d\u5e76\u4e14\u662f\u77ed\u65f6\u95f4\u5185\u5982\u679c\u518d\u505a\u4e00\u6b21\u8fd9\u4e2a\u64cd\u4f5c\uff0chibernate\u4f1a\u76f4\u63a5\u4ece\u7f13\u5b58\u4e2d\u628a\u6570\u636e\u62ff\u8fc7\u6765\u800c\u4e0d\u4f1a\u518d\u53d1\u9001sql\u8bed\u53e5\u8fdb\u884c\u67e5\u8be2<\/p>\n<h3>\u4e8c\u7ea7\u7f13\u5b58<\/h3>\n<p>\u4e8c\u7ea7\u7f13\u5b58\u662fsessionFactory\u7ea7\u522b\u7684\u7f13\u5b58\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8esessionFactory\u6bd4\u8f83\u91cd\u91cf\u7ea7\uff0c\u6240\u4ee5\u5b83\u5728\u5185\u5b58\u4e2d\u901a\u5e38\u4e3a\u5355\u4f8b\u72b6\u6001\u3002\u8fd9\u79cd\u60c5\u51b5hibernate\u4f1a\u628asession\u67e5\u8be2\u7684\u7ed3\u679c\u653e\u5230\u4e8c\u7ea7\u7f13\u5b58\u3002\u8fd9\u6837\u5373\u4fbf\u4e0d\u662f\u540c\u4e00\u4e2asession\u8fdb\u884c\u7684\u67e5\u8be2\uff0c\u5982\u679c\u662f\u540c\u6837\u7684\u64cd\u4f5c\u5e76\u4e14\u662f\u5728\u8be5sessionFactory\u8fd8\u6ca1\u6709\u6b7b\u6389\uff0chibernate\u4f1a\u73b0\u5728\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u67e5\uff0c\u67e5\u4e0d\u5230\u518d\u53d1\u9001sql\u8bed\u53e5\u3002<\/p>\n<p>\u6ce8:<br \/>\n\u4e00\u7ea7\u7f13\u5b58\u5c5e\u4e8e\u4e8b\u52a1\u8303\u56f4\uff0c\u7531hibernate\u81ea\u5df1\u7ba1\u7406\uff0c\u7a0b\u5e8f\u5458\u65e0\u9700\u5e72\u9884<br \/>\n\u4e8c\u7ea7\u7f13\u5b58\u5c5e\u4e8e\u8fdb\u7a0b\u8303\u56f4\u548c\u96c6\u7fa4\u8303\u56f4\uff0c\u53ef\u4ee5\u8fdb\u884c\u914d\u7f6e\u548c\u52a8\u6001\u5378\u8f7d\u52a0\u8f7d<\/p>\n<h2>\u4e8c\u3001Hibernate\u7f13\u5b58\u539f\u7406<\/h2>\n<p>&nbsp;<\/p>\n<h3>1\u3001Hibernate\u4e00\u7ea7\u7f13\u5b58\u53c8\u79f0\u4e3a\u201cSession\u7684\u7f13\u5b58\u201d<\/h3>\n<p>Session\u5185\u7f6e\u4e0d\u80fd\u88ab\u5378\u8f7d\uff0cSession\u7684\u7f13\u5b58\u662f\u4e8b\u52a1\u8303\u56f4\u7684\u7f13\u5b58\uff08Session\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u901a\u5e38\u5bf9\u5e94\u4e00\u4e2a\u6570\u636e\u5e93\u4e8b\u52a1\u6216\u8005\u4e00\u4e2a\u5e94\u7528\u4e8b\u52a1\uff09\u3002<\/p>\n<p>\u4e00\u7ea7\u7f13\u5b58\u4e2d\uff0c\u6301\u4e45\u5316\u7c7b\u7684\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u5177\u6709\u552f\u4e00\u7684OID\u3002<\/p>\n<h3>2\u3001Hibernate\u4e8c\u7ea7\u7f13\u5b58\u53c8\u79f0\u4e3a\u201cSessionFactory\u7684\u7f13\u5b58\u201d<\/h3>\n<p>\u7531\u4e8eSessionFactory\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4e2a\u8fc7\u7a0b\u5bf9\u5e94\uff0c\u56e0\u6b64Hibernate\u4e8c\u7ea7\u7f13\u5b58\u662f\u8fdb\u7a0b\u8303\u56f4\u6216\u8005\u96c6\u7fa4\u8303\u56f4\u7684\u7f13\u5b58\uff0c\u6709\u53ef\u80fd\u51fa\u73b0\u5e76\u53d1\u95ee\u9898\uff0c\u56e0\u6b64\u9700\u8981\u91c7\u7528\u9002\u5f53\u7684\u5e76\u53d1\u8bbf\u95ee\u7b56\u7565\uff0c\u8be5\u7b56\u7565\u4e3a\u88ab\u7f13\u5b58\u7684\u6570\u636e\u63d0\u4f9b\u4e86\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u3002<\/p>\n<p>\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u662f\u53ef\u9009\u7684\uff0c\u662f\u4e00\u4e2a\u53ef\u914d\u7f6e\u7684\u63d2\u4ef6\uff0c\u9ed8\u8ba4\u4e0bSessionFactory\u4e0d\u4f1a\u542f\u7528\u8fd9\u4e2a\u63d2\u4ef6\u3002<\/p>\n<p>Hibernate\u63d0\u4f9b\u4e86org.hibernate.cache.CacheProvider\u63a5\u53e3,\u5b83\u5145\u5f53\u7f13\u5b58\u63d2\u4ef6\u4e0eHibernate\u4e4b\u95f4\u7684\u9002\u914d\u5668\u3002<\/p>\n<p>\u4ec0\u4e48\u6837\u7684\u6570\u636e\u9002\u5408\u5b58\u653e\u5230\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u4e2d\uff1f<\/p>\n<p>[java]1) \u5f88\u5c11\u88ab\u4fee\u6539\u7684\u6570\u636e \u3000\u3000<br \/>\n2) \u4e0d\u662f\u5f88\u91cd\u8981\u7684\u6570\u636e\uff0c\u5141\u8bb8\u51fa\u73b0\u5076\u5c14\u5e76\u53d1\u7684\u6570\u636e \u3000\u3000<br \/>\n3) \u4e0d\u4f1a\u88ab\u5e76\u53d1\u8bbf\u95ee\u7684\u6570\u636e \u3000\u3000<br \/>\n4) \u5e38\u91cf\u6570\u636e \u3000\u3000<br \/>\n\u4e0d\u9002\u5408\u5b58\u653e\u5230\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u7684\u6570\u636e\uff1f \u3000\u3000<br \/>\n1) \u7ecf\u5e38\u88ab\u4fee\u6539\u7684\u6570\u636e \u3000\u3000<br \/>\n2) \u7edd\u5bf9\u4e0d\u5141\u8bb8\u51fa\u73b0\u5e76\u53d1\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u5982\u8d22\u52a1\u6570\u636e\uff0c\u7edd\u5bf9\u4e0d\u5141\u8bb8\u51fa\u73b0\u5e76\u53d1 \u3000\u3000<br \/>\n3) \u4e0e\u5176\u4ed6\u5e94\u7528\u5171\u4eab\u7684\u6570\u636e\u3002[\/java]<\/p>\n<h3>3\u3001Session\u7684\u5ef6\u8fdf\u52a0\u8f7d\u5b9e\u73b0\u8981\u89e3\u51b3\u4e24\u4e2a\u95ee\u9898\uff1a\u6b63\u5e38\u5173\u95ed\u8fde\u63a5\u548c\u786e\u4fdd\u8bf7\u6c42\u4e2d\u8bbf\u95ee\u7684\u662f\u540c\u4e00\u4e2asession<\/h3>\n<p>Hibernate session\u5c31\u662fjava.sql.Connection\u7684\u4e00\u5c42\u9ad8\u7ea7\u5c01\u88c5\uff0c\u4e00\u4e2asession\u5bf9\u5e94\u4e86\u4e00\u4e2aConnection\u3002<\/p>\n<p>http\u8bf7\u6c42\u7ed3\u675f\u540e\u6b63\u786e\u7684\u5173\u95edsession\uff08\u8fc7\u6ee4\u5668\u5b9e\u73b0\u4e86session\u7684\u6b63\u5e38\u5173\u95ed\uff09\uff1b\u5ef6\u8fdf\u52a0\u8f7d\u5fc5\u987b\u4fdd\u8bc1\u662f\u540c\u4e00\u4e2asession\uff08session\u7ed1\u5b9a\u5728ThreadLocal\uff09\u3002<\/p>\n<h3>4\u3001Hibernate\u67e5\u627e\u5bf9\u8c61\u5982\u4f55\u5e94\u7528\u7f13\u5b58\uff1f<\/h3>\n<p>\u5f53Hibernate\u6839\u636eID\u8bbf\u95ee\u6570\u636e\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u9996\u5148\u4eceSession\u4e00\u7ea7\u7f13\u5b58\u4e2d\u67e5\uff1b<\/p>\n<p>\u67e5\u4e0d\u5230\uff0c\u5982\u679c\u914d\u7f6e\u4e86\u4e8c\u7ea7\u7f13\u5b58\uff0c\u90a3\u4e48\u4ece\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u67e5\uff1b<\/p>\n<p>\u5982\u679c\u90fd\u67e5\u4e0d\u5230\uff0c\u518d\u67e5\u8be2\u6570\u636e\u5e93\uff0c\u628a\u7ed3\u679c\u6309\u7167ID\u653e\u5165\u5230\u7f13\u5b58\u5220\u9664\u3001\u66f4\u65b0\u3001\u589e\u52a0\u6570\u636e\u7684\u65f6\u5019\uff0c\u540c\u65f6\u66f4\u65b0\u7f13\u5b58\u3002<\/p>\n<h3>5\u3001\u4e00\u7ea7\u7f13\u5b58\u4e0e\u4e8c\u7ea7\u7f13\u5b58\u7684\u5bf9\u6bd4\u56fe\u3002<\/h3>\n<p>&nbsp;<\/p>\n<table style=\"height: 1074px;\" border=\"1\" width=\"725\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"124\"><\/td>\n<td valign=\"top\" width=\"222\">\u4e00\u7ea7\u7f13\u5b58<\/td>\n<td valign=\"top\" width=\"222\">\u4e8c\u7ea7\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u5b58\u653e\u6570\u636e\u7684\u5f62\u5f0f<\/td>\n<td valign=\"top\" width=\"222\">\u76f8\u4e92\u5173\u8054\u7684\u6301\u4e45\u5316\u5bf9\u8c61<\/td>\n<td valign=\"top\" width=\"222\">\u5bf9\u8c61\u7684\u6563\u88c5\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u7f13\u5b58\u7684\u8303\u56f4<\/td>\n<td valign=\"top\" width=\"222\">\u4e8b\u52a1\u8303\u56f4\uff0c\u6bcf\u4e2a\u4e8b\u52a1\u90fd\u62e5\u6709\u5355\u72ec\u7684\u4e00\u7ea7\u7f13\u5b58<\/td>\n<td valign=\"top\" width=\"222\">\u8fdb\u7a0b\u8303\u56f4\u6216\u96c6\u7fa4\u8303\u56f4\uff0c\u7f13\u5b58\u88ab\u540c\u4e00\u4e2a\u8fdb\u7a0b\u6216\u96c6\u7fa4\u8303\u56f4\u5185\u6240\u6709\u4e8b\u52a1\u5171\u4eab<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u5e76\u53d1\u8bbf\u95ee\u7b56\u7565<\/td>\n<td valign=\"top\" width=\"222\">\u7531\u4e8e\u6bcf\u4e2a\u4e8b\u52a1\u90fd\u62e5\u6709\u5355\u72ec\u7684\u4e00\u7ea7\u7f13\u5b58\u4e0d\u4f1a\u51fa\u73b0\u5e76\u53d1\u95ee\u9898\uff0c\u56e0\u6b64\u65e0\u987b\u63d0\u4f9b\u5e76\u53d1\u8bbf\u95ee\u7b56\u7565<\/td>\n<td valign=\"top\" width=\"222\">\u7531\u4e8e\u591a\u4e2a\u4e8b\u52a1\u4f1a\u540c\u65f6\u8bbf\u95ee\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u7684\u76f8\u540c\u6570\u636e\uff0c\u56e0\u6b64\u5fc5\u987b\u63d0\u4f9b\u9002\u5f53\u7684\u5e76\u53d1\u8bbf\u95ee\u7b56\u7565\uff0c\u6765\u4fdd\u8bc1\u7279\u5b9a\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u6570\u636e\u8fc7\u671f\u7b56\u7565<\/td>\n<td valign=\"top\" width=\"222\">\u5904\u4e8e\u4e00\u7ea7\u7f13\u5b58\u4e2d\u7684\u5bf9\u8c61\u6c38\u8fdc\u4e0d\u4f1a\u8fc7\u671f\uff0c\u9664\u975e\u5e94\u7528\u7a0b\u5e8f\u663e\u793a\u6e05\u7a7a\u6216\u8005\u6e05\u7a7a\u7279\u5b9a\u5bf9\u8c61<\/td>\n<td valign=\"top\" width=\"222\">\u5fc5\u987b\u63d0\u4f9b\u6570\u636e\u8fc7\u671f\u7b56\u7565\uff0c\u5982\u57fa\u4e8e\u5185\u5b58\u7684\u7f13\u5b58\u4e2d\u5bf9\u8c61\u7684\u6700\u5927\u6570\u76ee\uff0c\u5141\u8bb8\u5bf9\u8c61\u5904\u4e8e\u7f13\u5b58\u4e2d\u7684\u6700\u957f\u65f6\u95f4\uff0c\u4ee5\u53ca\u5141\u8bb8\u5bf9\u8c61\u5904\u4e8e\u7f13\u5b58\u4e2d\u7684\u6700\u957f\u7a7a\u95f2\u65f6\u95f4<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u7269\u7406\u4ecb\u8d28<\/td>\n<td valign=\"top\" width=\"222\">\u5185\u5b58<\/td>\n<td valign=\"top\" width=\"222\">\u5185\u5b58\u548c\u786c\u76d8\uff0c\u5bf9\u8c61\u7684\u6563\u88c5\u6570\u636e\u9996\u5148\u5b58\u653e\u5230\u57fa\u4e8e\u5185\u5b58\u7684\u7f13\u5b58\u4e2d\uff0c\u5f53\u5185\u5b58\u4e2d\u5bf9\u8c61\u7684\u6570\u76ee\u8fbe\u5230\u6570\u636e\u8fc7\u671f\u7b56\u7565\u7684maxElementsInMemory\u503c\uff0c\u5c31\u4f1a\u628a\u5176\u4f59\u7684\u5bf9\u8c61\u5199\u5165\u57fa\u4e8e\u786c\u76d8\u7684\u7f13\u5b58\u4e2d<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u7f13\u5b58\u8f6f\u4ef6\u5b9e\u73b0<\/td>\n<td valign=\"top\" width=\"222\">\u5728Hibernate\u7684Session\u7684\u5b9e\u73b0\u4e2d\u5305\u542b<\/td>\n<td valign=\"top\" width=\"222\">\u7531\u7b2c\u4e09\u65b9\u63d0\u4f9b\uff0cHibernate\u4ec5\u63d0\u4f9b\u4e86\u7f13\u5b58\u9002\u914d\u5668\uff0c\u7528\u4e8e\u628a\u7279\u5b9a\u7684\u7f13\u5b58\u63d2\u4ef6\u96c6\u6210\u5230Hibernate\u4e2d<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u542f\u7528\u7f13\u5b58<strong>\u7684<\/strong>\u65b9\u5f0f<\/td>\n<td valign=\"top\" width=\"222\">\u53ea\u8981\u901a\u8fc7Session\u63a5\u53e3\u6765\u6267\u884c\u4fdd\u5b58\uff0c\u66f4\u65b0\uff0c\u5220\u9664\uff0c\u52a0\u8f7d\uff0c\u67e5\u8be2\uff0cHibernate\u5c31\u4f1a\u542f\u7528\u4e00\u7ea7\u7f13\u5b58\uff0c\u5bf9\u4e8e\u6279\u91cf\u64cd\u4f5c\uff0c\u5982\u4e0d\u5e0c\u671b\u542f\u7528\u4e00\u7ea7\u7f13\u5b58\uff0c\u76f4\u63a5\u901a\u8fc7JDBCAPI\u6765\u6267\u884c<\/td>\n<td valign=\"top\" width=\"222\">\u7528\u6237\u53ef\u4ee5\u518d\u5355\u4e2a\u7c7b\u6216\u7c7b\u7684\u5355\u4e2a\u96c6\u5408\u7684\u7c92\u5ea6\u4e0a\u914d\u7f6e\u7b2c\u4e8c\u7ea7\u7f13\u5b58\uff0c\u5982\u679c\u7c7b\u7684\u5b9e\u4f8b\u88ab\u7ecf\u5e38\u8bfb\uff0c\u4f46\u5f88\u5c11\u88ab\u4fee\u6539\uff0c\u5c31\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u4e8c\u7ea7\u7f13\u5b58\uff0c\u53ea\u6709\u4e3a\u67d0\u4e2a\u7c7b\u6216\u96c6\u5408\u914d\u7f6e\u4e86\u4e8c\u7ea7\u7f13\u5b58\uff0cHibernate\u5728\u8fd0\u884c\u65f6\u624d\u4f1a\u628a\u5b83\u7684\u5b9e\u4f8b\u52a0\u5165\u5230\u4e8c\u7ea7\u7f13\u5b58\u4e2d<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"124\">\u7528\u6237\u7ba1\u7406\u7f13\u5b58\u7684\u65b9\u5f0f<\/td>\n<td valign=\"top\" width=\"222\">\u4e00\u7ea7\u7f13\u5b58\u7684\u7269\u7406\u4ecb\u8d28\u4e3a\u5185\u5b58\uff0c\u7531\u4e8e\u5185\u5b58\u7684\u5bb9\u91cf\u6709\u9650\uff0c\u5fc5\u987b\u901a\u8fc7\u6070\u5f53\u7684\u68c0\u7d22\u7b56\u7565\u548c\u68c0\u7d22\u65b9\u5f0f\u6765\u9650\u5236\u52a0\u8f7d\u5bf9\u8c61\u7684\u6570\u76ee\uff0cSession\u7684evit\uff08\uff09\u65b9\u6cd5\u53ef\u4ee5\u663e\u793a\u7684\u6e05\u7a7a\u7f13\u5b58\u4e2d\u7279\u5b9a\u5bf9\u8c61\uff0c\u4f46\u4e0d\u63a8\u8350<\/td>\n<td valign=\"top\" width=\"222\">\u4e8c\u7ea7\u7f13\u5b58\u7684\u7269\u7406\u4ecb\u8d28\u53ef\u4ee5\u4f7f\u5185\u5b58\u548c\u786c\u76d8\uff0c\u56e0\u6b64\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u53ef\u4ee5\u5b58\u653e\u5927\u5bb9\u91cf\u7684\u6570\u636e\uff0c\u6570\u636e\u8fc7\u671f\u7b56\u7565\u7684maxElementsInMemory\u5c5e\u6027\u53ef\u4ee5\u63a7\u5236\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61\u6570\u76ee\uff0c\u7ba1\u7406\u4e8c\u7ea7\u7f13\u5b58\u4e3b\u8981\u5305\u62ec\u4e24\u4e2a\u65b9\u9762\uff1a\u9009\u62e9\u9700\u8981\u4f7f\u7528\u7b2c\u4e8c\u7ea7\u7f13\u5b58\u7684\u6301\u4e45\u5316\u7c7b\uff0c\u8bbe\u7f6e\u5408\u9002\u7684\u5e76\u53d1\u8bbf\u95ee\u7b56\u7565\uff1b\u9009\u62e9\u7f13\u5b58\u9002\u914d\u5668\uff0c\u8bbe\u7f6e\u5408\u9002\u7684\u6570\u636e\u8fc7\u671f\u7b56\u7565\u3002SessionFactory\u7684evit\uff08\uff09\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u663e\u793a\u7684\u6e05\u7a7a\u7f13\u5b58\u4e2d\u7279\u5b9a\u5bf9\u8c61\uff0c\u4f46\u4e0d\u63a8\u8350<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><\/h2>\n<h2>\u4e09\u3001Hibernate\u7684\u7f13\u5b58\u673a\u5236\u5e94\u7528<\/h2>\n<p>&nbsp;<\/p>\n<h3>1. \u4e00\u7ea7\u7f13\u5b58\u7684\u7ba1\u7406:<\/h3>\n<p>[java]evit(Object obj)  \u5c06\u6307\u5b9a\u7684\u6301\u4e45\u5316\u5bf9\u8c61\u4ece\u4e00\u7ea7\u7f13\u5b58\u4e2d\u6e05\u9664,\u91ca\u653e\u5bf9\u8c61\u6240\u5360\u7528\u7684\u5185\u5b58\u8d44\u6e90,\u6307\u5b9a\u5bf9\u8c61\u4ece\u6301\u4e45\u5316\u72b6\u6001\u53d8\u4e3a\u8131\u7ba1\u72b6\u6001,\u4ece\u800c\u6210\u4e3a\u6e38\u79bb\u5bf9\u8c61\u3002[\/java]<\/p>\n<p>[java]clear()  \u5c06\u4e00\u7ea7\u7f13\u5b58\u4e2d\u7684\u6240\u6709\u6301\u4e45\u5316\u5bf9\u8c61\u6e05\u9664,\u91ca\u653e\u5176\u5360\u7528\u7684\u5185\u5b58\u8d44\u6e90\u3002[\/java]<\/p>\n<p>[java]contains(Object obj) \u5224\u65ad\u6307\u5b9a\u7684\u5bf9\u8c61\u662f\u5426\u5b58\u5728\u4e8e\u4e00\u7ea7\u7f13\u5b58\u4e2d\u3002[\/java]<\/p>\n<p>[java]flush() \u5237\u65b0\u4e00\u7ea7\u7f13\u5b58\u533a\u7684\u5185\u5bb9,\u4f7f\u4e4b\u4e0e\u6570\u636e\u5e93\u6570\u636e\u4fdd\u6301\u540c\u6b65\u3002[\/java]<\/p>\n<h3>2.\u4e00\u7ea7\u7f13\u5b58\u5e94\u7528\uff1a<\/h3>\n<p>save()\u3002\u5f53session\u5bf9\u8c61\u8c03\u7528save()\u65b9\u6cd5\u4fdd\u5b58\u4e00\u4e2a\u5bf9\u8c61\u540e\uff0c\u8be5\u5bf9\u8c61\u4f1a\u88ab\u653e\u5165\u5230session\u7684\u7f13\u5b58\u4e2d\u3002 get()\u548cload()\u3002\u5f53session\u5bf9\u8c61\u8c03\u7528get()\u6216load()\u65b9\u6cd5\u4ece\u6570\u636e\u5e93\u53d6\u51fa\u4e00\u4e2a\u5bf9\u8c61\u540e\uff0c\u8be5\u5bf9\u8c61\u4e5f\u4f1a\u88ab\u653e\u5165\u5230session\u7684\u7f13\u5b58\u4e2d\u3002 \u4f7f\u7528HQL\u548cQBC\u7b49\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u6570\u636e\u3002<\/p>\n<p>[java]@Test<br \/>\n\tpublic void testQueryOneCache(){<br \/>\n\t\tSession session = HibernateUtil.getSessionFactory().getCurrentSession();<br \/>\n\t\tsession.beginTransaction();<br \/>\n\t\tQuery query = session.createQuery(&quot;FROM Student&quot;);<br \/>\n\t\tList&lt;Student&gt; list = query.list();<br \/>\n\t\tfor(Student stu:list){<br \/>\n\t\t\tSystem.out.println(stu);<br \/>\n\/\/\t\t\tif(stu.getNumber() != 1 ){<br \/>\n\/\/\t\t\t\tsession.evict(stu); \/\/\u6e05\u9664\u6307\u5b9a\u7f13\u5b58\u5bf9\u8c61<br \/>\n\/\/\t\t\t}<br \/>\n\t\t}<br \/>\n\t\tStudent student = (Student) session.get(Student.class, 1);<br \/>\n\t\tSystem.out.println(student);<br \/>\n\t\t\/\/==================================<br \/>\n\t\t\/\/\u6e05\u9664session\u7f13\u5b58\u65b9\u5f0f \u4e24\u79cd clear(),\u5173\u95edsession<br \/>\n\t\tsession.clear(); <\/p>\n<p>\t\tSystem.out.println(&quot;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&quot;);<br \/>\n\t\tStudent stu2 = (Student) session.get(Student.class, 1);<br \/>\n\t\tSystem.out.println(stu2);<\/p>\n<p>\t\tsession.getTransaction().commit();  <\/p>\n<p>\t}[\/java]<\/p>\n<h3>3\u3001\u4e8c\u7ea7\u7f13\u5b58\u7684\u7ba1\u7406<\/h3>\n<p>[java]evict(Class arg0, Serializable arg1)\u5c06\u67d0\u4e2a\u7c7b\u7684\u6307\u5b9aID\u7684\u6301\u4e45\u5316\u5bf9\u8c61\u4ece\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u6e05\u9664,\u91ca\u653e\u5bf9\u8c61\u6240\u5360\u7528\u7684\u8d44\u6e90\u3002[\/java]<\/p>\n<p>[java]sessionFactory.evict(Customer.class, new Integer(1));<br \/>\nevict(Class arg0)  \u5c06\u6307\u5b9a\u7c7b\u7684\u6240\u6709\u6301\u4e45\u5316\u5bf9\u8c61\u4ece\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u6e05\u9664,\u91ca\u653e\u5176\u5360\u7528\u7684\u5185\u5b58\u8d44\u6e90\u3002[\/java]<\/p>\n<p>[java]sessionFactory.evict(Customer.class);<br \/>\nevictCollection(String arg0)  \u5c06\u6307\u5b9a\u7c7b\u7684\u6240\u6709\u6301\u4e45\u5316\u5bf9\u8c61\u7684\u6307\u5b9a\u96c6\u5408\u4ece\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u6e05\u9664,\u91ca\u653e\u5176\u5360\u7528\u7684\u5185\u5b58\u8d44\u6e90\u3002[\/java]<\/p>\n<p>[java]sessionFactory.evictCollection(&quot;Customer.orders&quot;);  [\/java]<\/p>\n<h3>4\u3001\u4e8c\u7ea7\u7f13\u5b58\u7684\u914d\u7f6e<\/h3>\n<p>\u5e38\u7528\u7684\u4e8c\u7ea7\u7f13\u5b58\u63d2\u4ef6<\/p>\n<p>EHCache org.hibernate.cache.EhCacheProvider<\/p>\n<p>OSCache org.hibernate.cache.OSCacheProvider<\/p>\n<p>SwarmCahe org.hibernate.cache.SwarmCacheProvider<\/p>\n<p>JBossCache org.hibernate.cache.TreeCacheProvider<\/p>\n<h2>\u56db\u3001\u4e8c\u7ea7\u7f13\u5b58\u4f7f\u7528\u4ee5EHCache\u4e3a\u4f8b<\/h2>\n<p>&nbsp;<\/p>\n<h3>1\u3001\u5bfc\u5165\u9700\u8981ehcache\u5305<\/h3>\n<p>[java]ehcache-core-2.4.3.jar<br \/>\nhibernate-ehcache-4.3.11.Final.jar<br \/>\nslf4j-api-1.6.1.jar[\/java]<\/p>\n<h3>2\u3001\u521b\u5efa\u7f13\u5b58\u6587\u4ef6ehcache.xml<\/h3>\n<p>[java]&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;<br \/>\n&lt;ehcache&gt;<br \/>\n  &lt;!&#8211;\u5982\u679c\u7f13\u5b58\u4e2d\u7684\u5bf9\u8c61\u5b58\u50a8\u8d85\u8fc7\u6307\u5b9a\u7684\u7f13\u5b58\u6570\u91cf\u7684\u5bf9\u8c61\u5b58\u50a8\u7684\u78c1\u76d8\u5730\u5740&#8211;&gt;<br \/>\n  &lt;diskStore path=&quot;E:\/ehcache&quot;\/&gt;  <\/p>\n<p>  &lt;!&#8211; \u9ed8\u8ba4cache\uff1a\u5982\u679c\u6ca1\u6709\u5bf9\u5e94\u7684\u7279\u5b9a\u533a\u57df\u7684\u7f13\u5b58\uff0c\u5c31\u4f7f\u7528\u9ed8\u8ba4\u7f13\u5b58 &#8211;&gt;<br \/>\n  &lt;defaultCache maxElementsInMemory=&quot;10000&quot;<br \/>\n                eternal=&quot;false&quot;<br \/>\n                timeToIdleSeconds=&quot;300&quot;<br \/>\n                timeToLiveSeconds=&quot;600&quot;<br \/>\n                overflowToDisk=&quot;false&quot;\/&gt;<br \/>\n  &lt;!&#8211; \u6307\u5b9a\u533a\u57dfcache\uff1a\u901a\u8fc7name\u6307\u5b9a\uff0cname\u5bf9\u5e94\u5230Hibernate\u4e2d\u7684\u533a\u57df\u540d\u5373\u53ef&#8211;&gt;<br \/>\n  &lt;cache name=&quot;com.ittx.hibernate001.model.Student&quot;<br \/>\n                eternal=&quot;false&quot;<br \/>\n                maxElementsInMemory=&quot;100&quot;<br \/>\n                timeToIdleSeconds=&quot;1200&quot;<br \/>\n                timeToLiveSeconds=&quot;1200&quot;<br \/>\n                overflowToDisk=&quot;false&quot;&gt;<br \/>\n  &lt;\/cache&gt;  <\/p>\n<p>&lt;\/ehcache&gt;<br \/>\n&lt;!&#8211; ehcache\u914d\u7f6e\uff08ehcache.xml\uff09<br \/>\ncache\u53c2\u6570\u8be6\u89e3\uff1a<br \/>\n\u25cf name:\u6307\u5b9a\u533a\u57df\u540d<br \/>\n\u25cf maxElementsInMemory \uff1a\u7f13\u5b58\u5728\u5185\u5b58\u4e2d\u7684\u6700\u5927\u6570\u76ee<br \/>\n\u25cf maxElementsOnDisk\uff1a\u7f13\u5b58\u5728\u78c1\u76d8\u4e0a\u7684\u6700\u5927\u6570\u76ee<br \/>\n\u25cf eternal \uff1a\u8bbe\u7f6e\u662f\u5426\u6c38\u8fdc\u4e0d\u8fc7\u671f<br \/>\n\u25cf overflowToDisk \uff1a \u786c\u76d8\u6ea2\u51fa\u6570\u76ee<br \/>\n\u25cf timeToIdleSeconds \uff1a\u5bf9\u8c61\u5904\u4e8e\u7a7a\u95f2\u72b6\u6001\u7684\u6700\u591a\u79d2\u6570\u540e\u9500\u6bc1<br \/>\n\u25cf timeToLiveSeconds \uff1a\u5bf9\u8c61\u5904\u4e8e\u7f13\u5b58\u72b6\u6001\u7684\u6700\u591a\u79d2\u6570\u540e\u9500\u6bc1<br \/>\n\u25cf memoryStoreEvictionPolicy:\u7f13\u5b58\u7b97\u6cd5\uff0c\u6709LRU\uff08\u9ed8\u8ba4\uff09\u3001LFU\u3001LFU <\/p>\n<p>\u5173\u4e8e\u7f13\u5b58\u7b97\u6cd5\uff0c\u5e38\u89c1\u6709\u4e09\u79cd\uff1a<br \/>\n\u25cf LRU\uff1a\uff08Least Rencently Used\uff09\u65b0\u6765\u7684\u5bf9\u8c61\u66ff\u6362\u6389\u4f7f\u7528\u65f6\u95f4\u7b97\u6700\u8fd1\u5f88\u5c11\u4f7f\u7528\u7684\u5bf9\u8c61<br \/>\n\u25cf LFU\uff1a\uff08Least Frequently Used\uff09\u66ff\u6362\u6389\u6309\u547d\u4e2d\u7387\u9ad8\u4f4e\u7b97\u6bd4\u8f83\u4f4e\u7684\u5bf9\u8c61<br \/>\n\u25cf LFU\uff1a\uff08First In First Out\uff09\u628a\u6700\u65e9\u8fdb\u5165\u4e8c\u7ea7\u7f13\u5b58\u7684\u5bf9\u8c61\u66ff\u6362\u6389  &#8211;&gt;[\/java]<\/p>\n<h3>3\u3001\u5728hibernate.cfg.xml\u4e2d\u6dfb\u52a0\u5982\u4e0b\u914d\u7f6e<\/h3>\n<p>[java]&lt;!&#8211; \u9ad8\u901f\u7f13\u5b58\u63d0\u4f9b\u7a0b\u5e8f &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.cache.region.factory_class&quot;&gt;org.hibernate.cache.ehcache.EhCacheRegionFactory&lt;\/property&gt;<br \/>\n\t\t&lt;!&#8211; \u8bbe\u7f6e\u4e8c\u7ea7\u7f13\u5b58\u63d2\u4ef6EHCache\u7684Provider\u7c7b &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.cache.provider_class&quot;&gt;org.hibernate.cache.EhCacheProvider&lt;\/property&gt;<br \/>\n\t\t&lt;!&#8211; enable second level cache and query cache &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.cache.use_second_level_cache&quot;&gt;true&lt;\/property&gt;<br \/>\n\t\t&lt;!&#8211; \u542f\u52a8&quot;\u67e5\u8be2\u7f13\u5b58&quot;\u5982\u679c\u60f3\u7f13\u5b58\u4f7f\u7528findall()\u3001list()\u3001Iterator()\u3001createCriteria()\u3001createQuery()\u7b49\u65b9\u6cd5\u83b7\u5f97\u7684\u6570\u636e\u7ed3\u679c\u96c6,\u5fc5\u987b\u914d\u7f6e\u6b64\u9879 &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.cache.use_query_cache&quot;&gt;true&lt;\/property&gt;<br \/>\n\t\t&lt;!&#8211; \u6307\u5b9a\u7f13\u5b58\u914d\u7f6e\u6587\u4ef6\u4f4d\u7f6e &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.cache.provider_configuration_file_resource_path&quot;&gt;ehcache.xml&lt;\/property&gt;<\/p>\n<p>\t\t&lt;!&#8211; \u5f3a\u5236Hibernate\u4ee5\u66f4\u4eba\u6027\u5316\u7684\u683c\u5f0f\u5c06\u6570\u636e\u5b58\u5165\u4e8c\u7ea7\u7f13\u5b58 &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.cache.use_structured_entries&quot;&gt;true&lt;\/property&gt;<br \/>\n\t\t&lt;!&#8211; Hibernate\u5c06\u6536\u96c6\u6709\u52a9\u4e8e\u6027\u80fd\u8c03\u8282\u7684\u7edf\u8ba1\u6570\u636e &#8211;&gt;<br \/>\n\t\t&lt;property name=&quot;hibernate.generate_statistics&quot;&gt;true&lt;\/property&gt;[\/java]<\/p>\n<h3>4\u3001\u914d\u7f6emodel.hbm.xml<\/h3>\n<p>\u5728class\u6807\u7b7e\u4e0b\u6dfb\u52a0\u5982\u4e0b\u914d\u7f6e<\/p>\n<p>[java]&lt;cache usage=&quot;read-write&quot;\/&gt;[\/java]<\/p>\n<h3>5\u3001\u6d4b\u8bd5\u4ee3\u7801<\/h3>\n<p>[java]@Test<br \/>\n\tpublic void testQueryCacheTwo(){<br \/>\n\t\tSession session = HibernateUtil.getSessionFactory().getCurrentSession();<br \/>\n\t\tsession.beginTransaction();<\/p>\n<p>\t\tSystem.out.println(&quot;\u7b2c\u4e00\u6b21\u67e5\u8be2Student&quot;);<br \/>\n\t\tQuery q = session.createQuery(&quot;from Student&quot;);<br \/>\n\t\tq.setCacheable(true);<br \/>\n\t\tq.list();<br \/>\n\t\tSystem.out.println(&quot;\u653e\u8fdb\u4e8c\u7ea7\u7f13\u5b58&quot;);  <\/p>\n<p>\t\tsession.getTransaction().commit();  <\/p>\n<p>\t\t\/\/========================<br \/>\n\t\tsession = HibernateUtil.getSessionFactory().getCurrentSession();<br \/>\n\t\tsession.beginTransaction();<\/p>\n<p>\t\tSystem.out.println(&quot;\u7b2c\u4e8c\u6b21\u67e5\u8be2Student,\u5c06\u4e0d\u4f1a\u53d1\u51fasql&quot;);<br \/>\n\t\tq = session.createQuery(&quot;from Student&quot;);<br \/>\n\t\tq.setCacheable(true);<br \/>\n\t\tq.list();<\/p>\n<p>\t\tsession.getTransaction().commit();  <\/p>\n<p>\t\t\/\/\u5982\u679c\u914d\u7f6e\u6587\u4ef6\u6253\u5f00\u4e86generate_statistics\u6027\u80fd\u8c03\u89e3\uff0c\u53ef\u4ee5\u5f97\u5230\u4e8c\u7ea7\u7f13\u5b58\u547d\u4e2d\u6b21\u6570\u7b49\u6570\u636e<br \/>\n\t\tStatistics s = HibernateUtil.getSessionFactory().getStatistics();<br \/>\n\t\tSystem.out.println(s);<br \/>\n\t\tSystem.out.println(&quot;put:&quot;+s.getSecondLevelCachePutCount());<br \/>\n\t\tSystem.out.println(&quot;hit:&quot;+s.getSecondLevelCacheHitCount());<br \/>\n\t\tSystem.out.println(&quot;miss:&quot;+s.getSecondLevelCacheMissCount());<br \/>\n\t}[\/java]<\/p>\n<p>\u6ce8:\u3010hibernate\u67e5\u8be2\u7f13\u5b58\u3011<br \/>\n \u4e00\u7ea7\u4e0e\u4e8c\u7ea7\u7f13\u5b58\u53ea\u80fd\u7f13\u5b58\u5b9e\u4f53\u5bf9\u8c61\uff0c\u67e5\u8be2\u7f13\u5b58\u53ef\u4ee5\u7f13\u5b58\u67e5\u8be2\u7684\u7ed3\u679c\u96c6\uff0c\u5373\u53ef\u4ee5\u7f13\u5b58\u666e\u901a\u7684\u5c5e\u6027.<br \/>\n\u6ce8\u610f\uff1a\u53ea\u6709\u7ecf\u5e38\u4f7f\u7528\u540c\u6837\u53c2\u6570\u7684\u67e5\u8be2\u624d\u80fd\u83b7\u5f97\u597d\u5904\uff0c\u67e5\u8be2\u7f13\u5b58\u7684\u751f\u547d\u5468\u671f\u76f4\u5230\u5c5e\u6027\u88ab\u4fee\u6539\u4e86\u4e3a\u6b62<br \/>\n \u6ce8\u610f\uff1a\u67e5\u8be2\u7f13\u5b58\u5bf9\u5b9e\u4f53\u5bf9\u8c61\u7684\u7ed3\u679c\u96c6\u53ea\u7f13\u5b58id<\/p>\n<p>   \u67e5\u8be2\u7f13\u5b58\u7684\u914d\u7f6e\u4e0e\u4f7f\u7528\uff1a<br \/>\n[java]     &lt;!&#8211; \u5f00\u542f\u67e5\u8be2\u7f13\u5b58\uff0c\u9ed8\u8ba4\u662f\u5173\u95ed\u7684 &#8211;&gt;<br \/>\n  &lt;property name=&quot;hibernate.cache.use_query_cache&quot;&gt;true&lt;\/property&gt;<br \/>\n \u5728\u7a0b\u5e8f\u4e2d\u5e94\u5f00\u542f\uff1a<br \/>\n  Query query = session.createQuery(&quot;select s.name from Student s&quot;);<br \/>\n  query.setCacheable(true);\/\/\u5f00\u542f\u67e5\u8be2\u7f13\u5b58[\/java]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u7f13\u5b58 1\u3001hibernate\u7f13\u5b58\u673a\u5236 \u7f13\u5b58\u4ecb\u4e8e\u5e94\u7528\u7a0b\u5e8f\u548c\u7269\u7406\u6570\u636e\u6e90\u4e4b\u95f4\uff0c\u5176\u4f5c\u7528\u662f\u4e3a\u4e86\u964d\u4f4e\u5e94\u7528\u7a0b\u5e8f\u5bf9\u7269\u7406\u6570\u636e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[89],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/1895"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1895"}],"version-history":[{"count":22,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/1895\/revisions"}],"predecessor-version":[{"id":1917,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/1895\/revisions\/1917"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}