{"id":14201,"date":"2023-12-04T00:47:03","date_gmt":"2023-12-03T16:47:03","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14201"},"modified":"2023-12-04T00:47:29","modified_gmt":"2023-12-03T16:47:29","slug":"mybatis-de-yi-ji-huan-cun-he-er-ji-huan-cun","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-de-yi-ji-huan-cun-he-er-ji-huan-cun\/","title":{"rendered":"MyBatis \u7684\u4e00\u7ea7\u7f13\u5b58\u548c\u4e8c\u7ea7\u7f13\u5b58\uff1f"},"content":{"rendered":"<p>MyBatis \u4e2d\u5b58\u5728\u4e00\u7ea7\u7f13\u5b58\u548c\u4e8c\u7ea7\u7f13\u5b58\u4e24\u79cd\u7f13\u5b58\u673a\u5236\uff1a<\/p>\n<h3>\u4e00\u7ea7\u7f13\u5b58\uff08Local Cache\uff09<\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\u8303\u56f4\uff1a<\/strong> \u4e00\u7ea7\u7f13\u5b58\u662f\u6307\u5728\u540c\u4e00\u4e2a SqlSession \u5185\u90e8\u7684\u7f13\u5b58\u3002\u5728\u540c\u4e00\u4e2a SqlSession \u4e2d\u6267\u884c\u7684\u591a\u6b21\u67e5\u8be2\u64cd\u4f5c\uff0c\u67e5\u8be2\u7684\u6570\u636e\u4f1a\u88ab\u7f13\u5b58\u5728\u4e00\u7ea7\u7f13\u5b58\u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u751f\u547d\u5468\u671f\uff1a<\/strong> \u7f13\u5b58\u7684\u751f\u547d\u5468\u671f\u4e0e SqlSession \u76f8\u540c\u3002\u5373\u5f53 SqlSession \u5173\u95ed\uff08commit \u6216 rollback\uff09\u65f6\uff0c\u4e00\u7ea7\u7f13\u5b58\u4e5f\u4f1a\u88ab\u6e05\u7a7a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f18\u70b9\uff1a<\/strong> \u63d0\u4f9b\u4e86\u8f83\u4e3a\u5feb\u901f\u7684\u6570\u636e\u8bbf\u95ee\uff0c\u907f\u514d\u4e86\u91cd\u590d\u67e5\u8be2\u6570\u636e\u5e93\u7684\u5f00\u9500\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\u4e8c\u7ea7\u7f13\u5b58\uff08Global Cache\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u4f5c\u7528\u8303\u56f4\uff1a<\/strong> \u4e8c\u7ea7\u7f13\u5b58\u662f\u591a\u4e2a SqlSession \u5171\u4eab\u7684\u7f13\u5b58\u3002\u4e0d\u540c\u7684 SqlSession \u53ef\u4ee5\u5171\u4eab\u540c\u4e00\u4e2a Mapper \u4e0b\u7684\u4e8c\u7ea7\u7f13\u5b58\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u751f\u547d\u5468\u671f\uff1a<\/strong> \u4e8c\u7ea7\u7f13\u5b58\u4e0e SqlSessionFactory \u76f8\u5173\u8054\uff0c\u5f53\u5e94\u7528\u7a0b\u5e8f\u5173\u95ed\u65f6\uff0c\u4e8c\u7ea7\u7f13\u5b58\u624d\u4f1a\u88ab\u6e05\u7a7a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\uff1a<\/strong> \u9700\u8981\u5728 Mapper XML \u6587\u4ef6\u4e2d\u901a\u8fc7 <code>&lt;cache&gt;<\/code> \u6807\u7b7e\u8fdb\u884c\u914d\u7f6e\u548c\u542f\u7528\u4e8c\u7ea7\u7f13\u5b58\u3002<\/p>\n<\/li>\n<\/ul>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;!-- \u5728 Mapper XML \u4e2d\u542f\u7528\u4e8c\u7ea7\u7f13\u5b58 --&gt;\n&lt;cache\/&gt;\n<\/code><\/pre>\n<ul>\n<li><strong>\u4f18\u70b9\uff1a<\/strong> \u5728\u591a\u4e2a SqlSession \u4e2d\u5171\u4eab\u7f13\u5b58\u6570\u636e\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u7684\u8bbf\u95ee\u6548\u7387\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u8de8 SqlSession \u3001\u8de8 SessionFactory \u7684\u6570\u636e\u5171\u4eab\u573a\u666f\u3002<\/li>\n<\/ul>\n<h3>\u4f7f\u7528\u6ce8\u610f\uff1a<\/h3>\n<ul>\n<li>\n<p><strong>\u7f13\u5b58\u7b56\u7565\uff1a<\/strong> MyBatis \u9ed8\u8ba4\u5f00\u542f\u4e00\u7ea7\u7f13\u5b58\uff0c\u5bf9\u4e8e\u9700\u8981\u4f7f\u7528\u4e8c\u7ea7\u7f13\u5b58\u7684\u60c5\u51b5\uff0c\u9700\u8981\u5728 Mapper XML \u4e2d\u914d\u7f6e\u542f\u7528\u3002\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u614e\u91cd\u8003\u8651\u662f\u5426\u542f\u7528\u7f13\u5b58\uff0c\u56e0\u4e3a\u7f13\u5b58\u53ef\u80fd\u9020\u6210\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f13\u5b58\u6e05\u7406\uff1a<\/strong> \u5728\u67d0\u4e9b\u6570\u636e\u66f4\u65b0\u64cd\u4f5c\u540e\uff0c\u9700\u8981\u624b\u52a8\u6e05\u7406\u7f13\u5b58\u4ee5\u786e\u4fdd\u7f13\u5b58\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u53ef\u4ee5\u901a\u8fc7 <code>clearCache()<\/code> \u65b9\u6cd5\u6e05\u7a7a\u4e00\u7ea7\u7f13\u5b58\u6216\u8005\u4e8c\u7ea7\u7f13\u5b58\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u8fd9\u4e24\u79cd\u7f13\u5b58\u673a\u5236\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\uff0c\u4f46\u4e5f\u9700\u8981\u5f00\u53d1\u8005\u6839\u636e\u5b9e\u9645\u573a\u666f\u548c\u6570\u636e\u4e00\u81f4\u6027\u7684\u9700\u6c42\u5408\u7406\u4f7f\u7528\u548c\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MyBatis \u4e2d\u5b58\u5728\u4e00\u7ea7\u7f13\u5b58\u548c\u4e8c\u7ea7\u7f13\u5b58\u4e24\u79cd\u7f13\u5b58\u673a\u5236\uff1a \u4e00\u7ea7\u7f13\u5b58\uff08Local Cache\uff09 \u4f5c\u7528\u8303\u56f4\uff1a \u4e00\u7ea7\u7f13 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113],"tags":[],"class_list":["post-14201","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=14201"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14201\/revisions"}],"predecessor-version":[{"id":14202,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14201\/revisions\/14202"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14201"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}