{"id":10006891,"date":"2022-11-22T17:27:46","date_gmt":"2022-11-22T09:27:46","guid":{"rendered":"https:\/\/ityet.com\/?p=10006891"},"modified":"2022-11-22T17:27:46","modified_gmt":"2022-11-22T09:27:46","slug":"%e4%b8%80%e4%b8%aa%e5%ae%81%e9%9d%99%e7%a5%a5%e5%92%8c%e6%b2%a1%e6%9c%89bug%e7%9a%84%e4%b8%8b%e5%8d%88%e5%92%8csqlsession%e7%9a%84%e6%95%85%e4%ba%8b","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006891","title":{"rendered":"\u4e00\u4e2a\u5b81\u9759\u7965\u548c\u6ca1\u6709bug\u7684\u4e0b\u5348\u548cSqlSession\u7684\u6545\u4e8b"},"content":{"rendered":"<p><strong>\u4f5c\u8005\uff1a\u9a6c\u8dc3<\/strong><\/p>\n<h3>1 \u80cc\u666f<\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u5b89\u9759\u7965\u548c\u6ca1\u6709bug\u7684\u4e0b\u5348\u3002  <br \/>\u4f5c\u4e3a\u4e00\u53ea\u83dc\u9e21\uff0c\u65f6\u523b\u5de9\u56fa\u4e00\u4e0b\u57fa\u7840\u8fd8\u662f\u5f88\u6709\u5fc5\u8981\u7684\uff0c\u5982\u6b64\u7684\u5927\u597d\u65f6\u673a\uff0c\u5c31\u8ba9\u6211\u6765\u5b66\u4e60\u5b66\u4e60mybatis\u5982\u4f55\u4f7f\u7528\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859393\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u53ef\u548c\u6211\u770b\u5230\u7684\u4e0d\u4e00\u6837\u554a\uff0c\u8ba9\u6211\u6765\u770b\u770b\u9879\u76ee\u91cc\u600e\u4e48\u5199\u7684\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859394\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6211\u4eec\u9879\u76ee\u4e2d\u7684Dao\u90fd\u7ee7\u627f\u4e8eBaseDao\uff0c\u800cBaseDao\u7ee7\u627f\u4e8eSqlSessionDaoSupport\uff0c\u6bcf\u6b21\u6267\u884csql\u7684\u65f6\u5019\u90fd\u662f\u76f4\u63a5\u5c06\u8fd9\u4e2asqlSession\u8fd4\u56de\uff0c\u7136\u540e\u6267\u884csql\uff0c\u8fd9\u96be\u9053\u4e0d\u662f\u4e00\u4e2a\u5b9e\u4f8b\u53d8\u91cf\u561b\uff1f\u8fd9\u548c\u4f60\u8bf4\u7684\u53ef\u4e0d\u4e00\u6837\u8bf6\u3002\u4e8e\u662f\u5e26\u7740\u8fd9\u6837\u7684\u7591\u95ee\uff0c\u6211\u5f00\u59cb\u4e86\u63a2\u7d22\u3002<\/p>\n<h3>2 \u63a2\u7d22\u4e4b\u65c5<\/h3>\n<p>1\uff09\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u5728\u4f7f\u7528mybatis\u65f6\uff0csqlSession\u90fd\u6765\u81ea\u4e8esqlSessionFactory\uff0c\u800csqlSessionFactory\u53ef\u4ee5\u901a\u8fc7sqlSessionFactoryBuilder\u521b\u5efa\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7spring\u521d\u59cb\u5316\uff0c\u800c\u9879\u76ee\u4e2d\u5f88\u663e\u7136\u91c7\u53d6\u4e86\u540e\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859395\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>2\uff09\u90a3\u4e48\u6211\u4eec\u5df2\u7ecf\u5f97\u5230\u4e86sqlSessionFactory\uff0c\u5e94\u8be5\u5982\u4f55\u53bb\u8fdb\u4e00\u6b65\u63a2\u7d22sqlSession\u7684\u6765\u6e90\u5462\uff0c\u6211\u60f3\u5230\u53ef\u4ee5\u901a\u8fc7\u9879\u76ee\u4e2d\u5df2\u7ecf\u5b9e\u73b0\u7684dao\u8fdb\u884c\u63a2\u7d22\u3002\u6211\u4eec\u968f\u4fbf\u9009\u53d6\u4e00\u4e2adao\u4e3a\u4f8b\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859396\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5b83\u7ee7\u627f\u4e86BaseDao\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859397\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u800cBaseDao\u53c8\u7ee7\u627f\u4e86SqlSessionDaoSupport\uff0c\u5728BaseDao\u4e2d\u8c03\u7528\u4e86getSqlSession\u65b9\u6cd5\uff0c\u5b9e\u9645\u4e0a\u4e5f\u5c31\u662fSqlSessionDaoSupport\u7684getSqlSession\u65b9\u6cd5\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859398\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u800cSqlSessionDaoSupport\u7684getSqlSession\u65b9\u6cd5\u662f\u76f4\u63a5\u5c06\u81ea\u5df1\u7684\u6210\u5458\u53d8\u91cf\u8fd4\u56de\u53bb\u7684\uff0c\u622a\u81f3\u76ee\u524d\u4e3a\u6b62\uff0c\u548c\u6211\u7684\u6000\u7591\u70b9\u662f\u76f8\u7b26\u5408\u7684\uff0c\u5373\u76ee\u524d\u7684\u5199\u6cd5\u548cmybatis\u5b98\u7f51\u7684\u8bf4\u660e\u662f\u51b2\u7a81\u7684\u3002<\/p>\n<p>3\uff09\u53cd\u590d\u9605\u8bfbSqlSessionDaoSupport\u8fd9\u4e2a\u7c7b\u540e\uff0c\u7ec8\u4e8e\u88ab\u6211\u53d1\u73b0\u4e86\u7ebf\u7d22\uff0c\u7ec6\u5fc3\u7684\u5c0f\u4f19\u4f34\u5e94\u8be5\u4e5f\u65e9\u5df2\u53d1\u73b0\u4e86\uff0c\u5c31\u5728\u4e0a\u56fe\u4e4b\u4e2d\u7684\u6ce8\u91ca\u4e2d\uff0c\u201c\u7528\u6237\u5e94\u8be5\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u6765\u83b7\u5f97\u4e00\u4e2aSqlSession\u6765\u6267\u884csql\u8bed\u53e5\uff0c\u8fd9\u4e2aSqlSession\u88abspring\u7ba1\u7406\uff0c\u7528\u6237\u4e0d\u5e94\u8be5\u63d0\u4ea4\u3001\u56de\u6eda\u6216\u5173\u95ed\u5b83\u3002\u56e0\u4e3a\u8fd9\u4e9b\u5df2\u7ecf\u88ab\u81ea\u52a8\u6267\u884c\u4e86\u3002\u201d<\/p>\n<p>\u540c\u65f6\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u8fd4\u56de\u4e00\u4e2a\u7ebf\u7a0b\u5b89\u5168\u7684SqlSession\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859399\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u90a3\u4e48\u8fd9\u4e2aSqlSession\u662f\u4ece\u4f55\u800c\u6765\u7684\u5462\uff0c\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u5b83\u6709\u4e24\u79cd\u8d4b\u503c\u65b9\u5f0f\uff0c\u4e00\u79cd\u662f\u7ed9\u4ed6\u4f20\u4e00\u4e2aSqlSessionFactory\uff0c\u751f\u6210SqlSessionTemplate\uff0cSqlSessionTemplate\u5373\u4e3asqlSession\u3002\u53e6\u4e00\u79cd\u662f\u76f4\u63a5\u7ed9\u4ed6\u4f20\u4e00\u4e2aSqlSessionTemplate\u4f5c\u4e3aSqlSession\u3002\u6839\u636e\u672c\u7c7b\u7684\u6ce8\u91ca\uff0c\u5982\u679cSqlSessionFactory\u548cSqlSessionTemplate\u90fd\u88ab\u5b9a\u4e49\u4e86\uff0c\u90a3\u4e48SqlSessionFactory\u7684\u65b9\u5f0f\u4f1a\u5931\u6548\u3002\u81f3\u6b64\uff0c\u6211\u7684\u4e0a\u8ff0\u7591\u95ee\u5df2\u7ecf\u89e3\u51b3\u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e2aSqlSession\u5e76\u4e0d\u662f\u4e00\u4e2amybatis\u521d\u59cb\u7684SqlSession\uff0c\u800c\u662fspring\u5b9e\u73b0\u7684SqlSessionTemplate\u3002<\/p>\n<p>4\uff09\u4f46\u662f\uff0c\u6211\u53c8\u8bde\u751f\u4e86\u65b0\u7684\u7591\u95ee\uff0cSqlSessionTemplate\u662f\u600e\u4e48\u5b8c\u6210\u7ebf\u7a0b\u5b89\u5168\u7684\u5462\uff1f<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859400\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4e8e\u662f\u6211\u8fdb\u5165\u4e86SqlSessionTemplate\u7684\u65b9\u6cd5\u6267\u884c\uff0c\u53d1\u73b0\u5b9e\u9645\u6267\u884c\u8bed\u53e5\u7684\u90fd\u662f\u8fd9\u4e2a\u4ee3\u7406\u7c7bsqlSessionProxy\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859401\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u800c\u4ee3\u7406\u5de5\u4f5c\u5185\u5bb9\u5c31\u5728SqlSessionInterceptor\u8fd9\u4e2ahandler\u91cc\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859402\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8fdb\u5165\u5176\u4e2d\uff0c\u6211\u4eec\u7ec8\u4e8e\u53d1\u73b0\u4e86\u5b83\u7684\u83b7\u53d6\u548c\u5173\u95ed\u64cd\u4f5c\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859403\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042859404\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u6bcf\u6b21\u6267\u884c\uff0c\u4ee3\u7406\u90fd\u4f1a\u8c03\u7528sessionFactory\u7684openSession\u65b9\u6cd5\u83b7\u5f97\u4e00\u4e2a\u65b0\u7684session\u3002<\/p>\n<h3>3 \u603b\u7ed3<\/h3>\n<p>\u7ec8\u4e8e\u7684\u7ec8\u4e8e\uff0cmybatis\uff0cspring\uff0c\u9879\u76ee\u4ee5\u53ca\u6211\u7684\u7591\u95ee\u5f97\u5230\u4e86\u7edf\u4e00\uff0c\u771f\u662f\u4e00\u4e2a\u5b81\u9759\u7965\u548c\u800c\u53c8\u6ca1\u6709bug\u7684\u4e0b\u5348\u5440\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042859391\">https:\/\/segmentfault.com\/a\/1190000042859391<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a\u9a6c\u8dc3 1 \u80cc\u666f \u8fd9\u662f\u4e00\u4e2a\u5b89\u9759\u7965\u548c\u6ca1\u6709bug\u7684\u4e0b\u5348\u3002 \u4f5c\u4e3a\u4e00\u53ea\u83dc\u9e21\uff0c\u65f6\u523b\u5de9\u56fa\u4e00\u4e0b\u57fa\u7840\u8fd8\u662f\u5f88\u6709\u5fc5\u8981\u7684\uff0c\u5982\u6b64\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10006891","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006891"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006891\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}