{"id":185568,"date":"2024-11-10T22:39:21","date_gmt":"2024-11-10T14:39:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185568\/"},"modified":"2024-11-10T22:39:22","modified_gmt":"2024-11-10T14:39:22","slug":"%e4%ba%8b%e5%8b%99%e7%af%87%ef%bc%9aspring%e4%ba%8b%e5%8b%99%e7%9a%84%e5%9d%91%ef%bc%8c%e4%bd%a0%e9%83%bd%e8%b8%a9%e9%81%8e%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185568\/","title":{"rendered":"\u4e8b\u52d9\u7bc7\uff1aSpring\u4e8b\u52d9\u7684\u5751\uff0c\u4f60\u90fd\u8e29\u904e\u55ce\uff1f"},"content":{"rendered":"

\u4e8b\u52d9\u7bc7\uff1aSpring\u4e8b\u52d9\u7684\u5751\uff0c\u4f60\u90fd\u8e29\u904e\u55ce\uff1f<\/h1>\n

\u5728\u73fe\u4ee3\u7684Java\u958b\u767c\u4e2d\uff0cSpring\u6846\u67b6\u56e0\u5176\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\u800c\u5ee3\u53d7\u6b61\u8fce\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u4e8b\u52d9\u6642\uff0cSpring\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u7ba1\u7406\u4e8b\u52d9\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u5c08\u6ce8\u65bc\u696d\u52d9\u908f\u8f2f\u3002\u7136\u800c\uff0c\u9019\u4e9b\u529f\u80fd\u7684\u5f37\u5927\u4e5f\u4f34\u96a8\u8457\u4e00\u4e9b\u5e38\u898b\u7684\u9677\u9631\uff0c\u958b\u767c\u8005\u5728\u4f7f\u7528Spring\u4e8b\u52d9\u6642\uff0c\u5f80\u5f80\u6703\u4e0d\u5c0f\u5fc3\u8e29\u5165\u9019\u4e9b\u5751\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684Spring\u4e8b\u52d9\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

1. \u4e8b\u52d9\u7684\u7bc4\u570d\u554f\u984c<\/h2>\n

\u5728Spring\u4e2d\uff0c\u4e8b\u52d9\u7684\u7bc4\u570d\u662f\u7531@Transactional<\/a>\u8a3b\u89e3\u4f86\u5b9a\u7fa9\u7684\u3002\u8a31\u591a\u958b\u767c\u8005\u5728\u4f7f\u7528\u6642\uff0c\u53ef\u80fd\u6703\u5c07\u6b64\u8a3b\u89e3\u653e\u5728\u985e\u4e0a\uff0c\u800c\u975e\u5177\u9ad4\u7684\u65b9\u6cd5\u4e0a\u3002\u9019\u6a23\u505a\u7684\u7d50\u679c\u662f\uff0c\u6574\u500b\u985e\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\u90fd\u6703\u88ab\u8996\u70ba\u4e00\u500b\u4e8b\u52d9\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u9396\u5b9a\u548c\u6027\u80fd\u554f\u984c\u3002<\/p>\n

\n@Transactional\npublic class UserService {\n    public void createUser(User user) {\n        \/\/ \u5275\u5efa\u7528\u6236\n    }\n\n    public void deleteUser(Long userId) {\n        \/\/ \u522a\u9664\u7528\u6236\n    }\n}\n<\/code><\/pre>\n
\u6700\u4f73\u5be6\u8e10\u662f\u5c07@Transactional\u8a3b\u89e3\u653e\u5728\u5177\u9ad4\u7684\u65b9\u6cd5\u4e0a\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u7cbe\u78ba\u5730\u63a7\u5236\u4e8b\u52d9\u7684\u7bc4\u570d\u3002<\/p>\n
2. \u4e8b\u52d9\u7684\u9694\u96e2\u7d1a\u5225<\/h2>\n
Spring\u652f\u6301\u591a\u7a2e\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\uff0c\u5982READ_UNCOMMITTED\u3001READ_COMMITTED\u3001REPEATABLE_READ\u548cSERIALIZABLE\u3002\u9078\u64c7\u4e0d\u7576\u7684\u9694\u96e2\u7d1a\u5225\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u6027\u80fd\u4e0b\u964d\u3002\u4f8b\u5982\uff0c\u4f7f\u7528READ_UNCOMMITTED\u53ef\u80fd\u6703\u5c0e\u81f4\u9ad2\u8b80\uff0c\u800c\u4f7f\u7528SERIALIZABLE\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002<\/p>\n
\u958b\u767c\u8005\u61c9\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u4e26\u5728@Transactional\u8a3b\u89e3\u4e2d\u9032\u884c\u8a2d\u7f6e\uff1a<\/p>\n
\n@Transactional(isolation = Isolation.READ_COMMITTED)\npublic void updateUser(User user) {\n    \/\/ \u66f4\u65b0\u7528\u6236\u4fe1\u606f\n}\n<\/code><\/pre>\n
3. \u4e8b\u52d9\u7684\u56de\u6efe\u7b56\u7565<\/h2>\n
\u5728Spring\u4e2d\uff0c\u4e8b\u52d9\u7684\u56de\u6efe\u7b56\u7565\u662f\u6839\u64da\u7570\u5e38\u985e\u578b\u4f86\u6c7a\u5b9a\u7684\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0c\u53ea\u6709\u904b\u884c\u6642\u7570\u5e38\uff08RuntimeException\uff09\u548c\u932f\u8aa4\uff08Error\uff09\u6703\u5c0e\u81f4\u4e8b\u52d9\u56de\u6efe\u3002\u5982\u679c\u958b\u767c\u8005\u5e0c\u671b\u5728\u6aa2\u67e5\u7570\u5e38\uff08Checked Exception\uff09\u767c\u751f\u6642\u4e5f\u56de\u6efe\u4e8b\u52d9\uff0c\u9700\u8981\u5728@Transactional\u8a3b\u89e3\u4e2d\u660e\u78ba\u6307\u5b9a\u3002<\/p>\n
\n@Transactional(rollbackFor = Exception.class)\npublic void processTransaction() throws Exception {\n    \/\/ \u8655\u7406\u4e8b\u52d9\n}\n<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u767c\u751f\u4efb\u4f55\u7570\u5e38\u6642\uff0c\u4e8b\u52d9\u90fd\u80fd\u5920\u6b63\u78ba\u56de\u6efe\uff0c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n
4. \u4e8b\u52d9\u7684\u5d4c\u5957\u554f\u984c<\/h2>\n
Spring\u652f\u6301\u5d4c\u5957\u4e8b\u52d9\uff0c\u4f46\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4e00\u4e9b\u610f\u60f3\u4e0d\u5230\u7684\u884c\u70ba\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u65b9\u6cd5\u8abf\u7528\u53e6\u4e00\u500b\u4e8b\u52d9\u65b9\u6cd5\u6642\uff0c\u5167\u90e8\u65b9\u6cd5\u7684\u4e8b\u52d9\u884c\u70ba\u53d6\u6c7a\u65bc\u5916\u90e8\u65b9\u6cd5\u7684\u4e8b\u52d9\u72c0\u614b\u3002\u5982\u679c\u5916\u90e8\u4e8b\u52d9\u56de\u6efe\uff0c\u5167\u90e8\u4e8b\u52d9\u4e5f\u6703\u88ab\u56de\u6efe\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u958b\u767c\u8005\u96e3\u4ee5\u8ffd\u8e64\u554f\u984c\u3002<\/p>\n
\u70ba\u4e86\u907f\u514d\u9019\u7a2e\u60c5\u6cc1\uff0c\u958b\u767c\u8005\u61c9\u8a72\u8b39\u614e\u8a2d\u8a08\u4e8b\u52d9\u7684\u7d50\u69cb\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u4e0d\u540c\u7684\u4e8b\u52d9\u7ba1\u7406\u7b56\u7565\uff0c\u5982\u4f7f\u7528TransactionTemplate<\/a>\u4f86\u624b\u52d5\u63a7\u5236\u4e8b\u52d9\u3002<\/p>\n
5. \u4e8b\u52d9\u7684\u6027\u80fd\u5f71\u97ff<\/h2>\n
\u4e8b\u52d9\u7ba1\u7406\u6703\u5c0d\u6027\u80fd\u7522\u751f\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u3002\u9577\u6642\u9593\u6301\u6709\u4e8b\u52d9\u9396\u53ef\u80fd\u6703\u5c0e\u81f4\u5176\u4ed6\u8acb\u6c42\u7684\u5ef6\u9072\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u958b\u767c\u8005\u61c9\u8a72\u76e1\u91cf\u7e2e\u77ed\u4e8b\u52d9\u7684\u6301\u6709\u6642\u9593\uff0c\u4e26\u907f\u514d\u5728\u4e8b\u52d9\u4e2d\u57f7\u884c\u8017\u6642\u7684\u64cd\u4f5c\u3002<\/p>\n
\u7d50\u8ad6<\/h3>\n
Spring\u4e8b\u52d9\u7ba1\u7406\u662f\u4e00\u500b\u5f37\u5927\u800c\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u4f46\u4e5f\u4f34\u96a8\u8457\u8a31\u591a\u6f5b\u5728\u7684\u9677\u9631\u3002\u958b\u767c\u8005\u5728\u4f7f\u7528\u6642\u61c9\u8a72\u8b39\u614e\u8003\u616e\u4e8b\u52d9\u7684\u7bc4\u570d\u3001\u9694\u96e2\u7d1a\u5225\u3001\u56de\u6efe\u7b56\u7565\u3001\u5d4c\u5957\u554f\u984c\u4ee5\u53ca\u6027\u80fd\u5f71\u97ff\u3002\u901a\u904e\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u9019\u4e9b\u554f\u984c\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684\u4e91\u4f3a\u670d\u5668<\/a>\u9084\u662f\u9748\u6d3b\u7684\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Spring\u4e8b\u52d9\u4e2d\u7684\u5e38\u898b\u9677\u9631\uff0c\u4e86\u89e3\u5982\u4f55\u907f\u514d\u9019\u4e9b\u554f\u984c\uff0c\u63d0\u5347\u4f60\u7684\u958b\u767c\u6548\u7387\u8207\u4ee3\u78bc\u8cea\u91cf\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-185568","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185568","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=185568"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185568\/revisions"}],"predecessor-version":[{"id":185569,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185568\/revisions\/185569"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}