{"id":3147,"date":"2023-01-03T22:13:03","date_gmt":"2023-01-03T14:13:03","guid":{"rendered":"https:\/\/qaqaq.top\/?p=3147"},"modified":"2023-01-03T22:13:04","modified_gmt":"2023-01-03T14:13:04","slug":"mybatis%e7%9a%84%e7%bc%93%e5%ad%98","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=3147","title":{"rendered":"MyBatis\u7684\u7f13\u5b58"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1\u3001MyBatis\u7684\u4e00\u7ea7\u7f13\u5b58<\/h2>\n\n\n\n<p>\u4e00\u7ea7\u7f13\u5b58\u662fSqlSession\u7ea7\u522b\u7684\uff0c\u901a\u8fc7\u540c\u4e00\u4e2aSqlSession\u67e5\u8be2\u7684\u6570\u636e\u4f1a\u88ab\u7f13\u5b58\uff0c\u4e0b\u6b21\u67e5\u8be2\u76f8\u540c\u7684\u6570\u636e\uff0c\u5c31<br>\u4f1a\u4ece\u7f13\u5b58\u4e2d\u76f4\u63a5\u83b7\u53d6\uff0c\u4e0d\u4f1a\u4ece\u6570\u636e\u5e93\u91cd\u65b0\u8bbf\u95ee<\/p>\n\n\n\n<p>\u4f7f\u4e00\u7ea7\u7f13\u5b58\u5931\u6548\u7684\u56db\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n<p>1) \u4e0d\u540c\u7684SqlSession\u5bf9\u5e94\u4e0d\u540c\u7684\u4e00\u7ea7\u7f13\u5b58<\/p>\n\n\n\n<p>2) \u540c\u4e00\u4e2aSqlSession\u4f46\u662f\u67e5\u8be2\u6761\u4ef6\u4e0d\u540c<\/p>\n\n\n\n<p>3) \u540c\u4e00\u4e2aSqlSession\u4e24\u6b21\u67e5\u8be2\u671f\u95f4\u6267\u884c\u4e86\u4efb\u4f55\u4e00\u6b21\u589e\u5220\u6539\u64cd\u4f5c<\/p>\n\n\n\n<p>4) \u540c\u4e00\u4e2aSqlSession\u4e24\u6b21\u67e5\u8be2\u671f\u95f4\u624b\u52a8\u6e05\u7a7a\u4e86\u7f13\u5b58<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2\u3001MyBatis\u7684\u4e8c\u7ea7\u7f13\u5b58<\/h2>\n\n\n\n<p>\u4e8c\u7ea7\u7f13\u5b58\u662fSqlSessionFactory\u7ea7\u522b\uff0c\u901a\u8fc7\u540c\u4e00\u4e2aSqlSessionFactory\u521b\u5efa\u7684SqlSession\u67e5\u8be2\u7684\u7ed3\u679c\u4f1a\u88ab<br>\u7f13\u5b58\uff1b\u6b64\u540e\u82e5\u518d\u6b21\u6267\u884c\u76f8\u540c\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u7ed3\u679c\u5c31\u4f1a\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6<\/p>\n\n\n\n<p>\u4e8c\u7ea7\u7f13\u5b58\u5f00\u542f\u7684\u6761\u4ef6\uff1a<\/p>\n\n\n\n<p>a>\u5728\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u8bbe\u7f6e\u5168\u5c40\u914d\u7f6e\u5c5e\u6027cacheEnabled=&#8221;true&#8221;\uff0c\u9ed8\u8ba4\u4e3atrue\uff0c\u4e0d\u9700\u8981\u8bbe\u7f6e<\/p>\n\n\n\n<p>b>\u5728\u6620\u5c04\u6587\u4ef6\u4e2d\u8bbe\u7f6e\u6807\u7b7e<\/p>\n\n\n\n<p>c>\u4e8c\u7ea7\u7f13\u5b58\u5fc5\u987b\u5728SqlSession\u5173\u95ed\u6216\u63d0\u4ea4\u4e4b\u540e\u6709\u6548<\/p>\n\n\n\n<p>d>\u67e5\u8be2\u7684\u6570\u636e\u6240\u8f6c\u6362\u7684\u5b9e\u4f53\u7c7b\u7c7b\u578b\u5fc5\u987b\u5b9e\u73b0\u5e8f\u5217\u5316\u7684\u63a5\u53e3<\/p>\n\n\n\n<p>\u4f7f\u4e8c\u7ea7\u7f13\u5b58\u5931\u6548\u7684\u60c5\u51b5\uff1a<\/p>\n\n\n\n<p>\u4e24\u6b21\u67e5\u8be2\u4e4b\u95f4\u6267\u884c\u4e86\u4efb\u610f\u7684\u589e\u5220\u6539\uff0c\u4f1a\u4f7f\u4e00\u7ea7\u548c\u4e8c\u7ea7\u7f13\u5b58\u540c\u65f6\u5931\u6548<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3\u3001\u4e8c\u7ea7\u7f13\u5b58\u7684\u76f8\u5173\u914d\u7f6e<\/h2>\n\n\n\n<p>\u5728mapper\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u7684cache\u6807\u7b7e\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e9b\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>eviction\u5c5e\u6027\uff1a\u7f13\u5b58\u56de\u6536\u7b56\u7565<\/li>\n<\/ul>\n\n\n\n<p>LRU\uff08Least Recently Used\uff09 \u2013 \u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\uff1a\u79fb\u9664\u6700\u957f\u65f6\u95f4\u4e0d\u88ab\u4f7f\u7528\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>FIFO\uff08First in First out\uff09 \u2013 \u5148\u8fdb\u5148\u51fa\uff1a\u6309\u5bf9\u8c61\u8fdb\u5165\u7f13\u5b58\u7684\u987a\u5e8f\u6765\u79fb\u9664\u5b83\u4eec\u3002<\/p>\n\n\n\n<p>SOFT \u2013 \u8f6f\u5f15\u7528\uff1a\u79fb\u9664\u57fa\u4e8e\u5783\u573e\u56de\u6536\u5668\u72b6\u6001\u548c\u8f6f\u5f15\u7528\u89c4\u5219\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>WEAK \u2013 \u5f31\u5f15\u7528\uff1a\u66f4\u79ef\u6781\u5730\u79fb\u9664\u57fa\u4e8e\u5783\u573e\u6536\u96c6\u5668\u72b6\u6001\u548c\u5f31\u5f15\u7528\u89c4\u5219\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>\u9ed8\u8ba4\u7684\u662f LRU\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>flushInterval\u5c5e\u6027\uff1a\u5237\u65b0\u95f4\u9694\uff0c\u5355\u4f4d\u6beb\u79d2<\/li>\n<\/ul>\n\n\n\n<p>\u9ed8\u8ba4\u60c5\u51b5\u662f\u4e0d\u8bbe\u7f6e\uff0c\u4e5f\u5c31\u662f\u6ca1\u6709\u5237\u65b0\u95f4\u9694\uff0c\u7f13\u5b58\u4ec5\u4ec5\u8c03\u7528\u8bed\u53e5\u65f6\u5237\u65b0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>size\u5c5e\u6027\uff1a\u5f15\u7528\u6570\u76ee\uff0c\u6b63\u6574\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u4ee3\u8868\u7f13\u5b58\u6700\u591a\u53ef\u4ee5\u5b58\u50a8\u591a\u5c11\u4e2a\u5bf9\u8c61\uff0c\u592a\u5927\u5bb9\u6613\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>readOnly\u5c5e\u6027\uff1a\u53ea\u8bfb\uff0ctrue\/false<\/li>\n<\/ul>\n\n\n\n<p>true\uff1a\u53ea\u8bfb\u7f13\u5b58\uff1b\u4f1a\u7ed9\u6240\u6709\u8c03\u7528\u8005\u8fd4\u56de\u7f13\u5b58\u5bf9\u8c61\u7684\u76f8\u540c\u5b9e\u4f8b\u3002\u56e0\u6b64\u8fd9\u4e9b\u5bf9\u8c61\u4e0d\u80fd\u88ab\u4fee\u6539\u3002\u8fd9\u63d0\u4f9b\u4e86<br>\u5f88\u91cd\u8981\u7684\u6027\u80fd\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>false\uff1a\u8bfb\u5199\u7f13\u5b58\uff1b\u4f1a\u8fd4\u56de\u7f13\u5b58\u5bf9\u8c61\u7684\u62f7\u8d1d\uff08\u901a\u8fc7\u5e8f\u5217\u5316\uff09\u3002\u8fd9\u4f1a\u6162\u4e00\u4e9b\uff0c\u4f46\u662f\u5b89\u5168\uff0c\u56e0\u6b64\u9ed8\u8ba4\u662f<br>false\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4\u3001MyBatis\u7f13\u5b58\u67e5\u8be2\u7684\u987a\u5e8f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u67e5\u8be2\u4e8c\u7ea7\u7f13\u5b58\uff0c\u56e0\u4e3a\u4e8c\u7ea7\u7f13\u5b58\u4e2d\u53ef\u80fd\u4f1a\u6709\u5176\u4ed6\u7a0b\u5e8f\u5df2\u7ecf\u67e5\u51fa\u6765\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u62ff\u6765\u76f4\u63a5\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u4e8c\u7ea7\u7f13\u5b58\u6ca1\u6709\u547d\u4e2d\uff0c\u518d\u67e5\u8be2\u4e00\u7ea7\u7f13\u5b58<\/li>\n\n\n\n<li>\u5982\u679c\u4e00\u7ea7\u7f13\u5b58\u4e5f\u6ca1\u6709\u547d\u4e2d\uff0c\u5219\u67e5\u8be2\u6570\u636e\u5e93<\/li>\n\n\n\n<li>SqlSession\u5173\u95ed\u4e4b\u540e\uff0c\u4e00\u7ea7\u7f13\u5b58\u4e2d\u7684\u6570\u636e\u4f1a\u5199\u5165\u4e8c\u7ea7\u7f13\u5b58<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5\u3001\u6574\u5408\u7b2c\u4e09\u65b9\u7f13\u5b58EHCache<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">a>\u6dfb\u52a0\u4f9d\u8d56<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>    &lt;!-- Mybatis EHCache\u6574\u5408\u5305 -->\r\n    &lt;dependency>\r\n      &lt;groupId>org.mybatis.caches&lt;\/groupId>\r\n      &lt;artifactId>mybatis-ehcache&lt;\/artifactId>\r\n      &lt;version>1.2.1&lt;\/version>\r\n    &lt;\/dependency>\r\n    &lt;!-- slf4j\u65e5\u5fd7\u95e8\u9762\u7684\u4e00\u4e2a\u5177\u4f53\u5b9e\u73b0 -->\r\n    &lt;dependency>\r\n      &lt;groupId>ch.qos.logback&lt;\/groupId>\r\n      &lt;artifactId>logback-classic&lt;\/artifactId>\r\n      &lt;version>1.2.3&lt;\/version>\r\n    &lt;\/dependency><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">b>\u5404jar\u5305\u529f\u80fd<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qaqaq.top\/wp-content\/uploads\/2023\/01\/image-4-1024x301.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"301\" data-original=\"https:\/\/qaqaq.top\/wp-content\/uploads\/2023\/01\/image-4-1024x301.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-3148\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">c>\u521b\u5efaEHCache\u7684\u914d\u7f6e\u6587\u4ef6ehcache.xml<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n&lt;ehcache xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n         xsi:noNamespaceSchemaLocation=\"..\/config\/ehcache.xsd\">\r\n    &lt;!-- \u78c1\u76d8\u4fdd\u5b58\u8def\u5f84 -->\r\n    &lt;diskStore path=\"C:\\Users\\ZRich\\Documents\\Code\\Java\\workspace_idea\\ehcache\"\/>\r\n\r\n    &lt;defaultCache\r\n            maxElementsInMemory=\"1000\"\r\n            maxElementsOnDisk=\"10000000\"\r\n            eternal=\"false\"\r\n            overflowToDisk=\"true\"\r\n            timeToIdleSeconds=\"120\"\r\n            timeToLiveSeconds=\"120\"\r\n            diskExpiryThreadIntervalSeconds=\"120\"\r\n            memoryStoreEvictionPolicy=\"LRU\">\r\n    &lt;\/defaultCache>\r\n&lt;\/ehcache><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">d>\u8bbe\u7f6e\u4e8c\u7ea7\u7f13\u5b58\u7684\u7c7b\u578b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;cache type=\"org.mybatis.caches.ehcache.EhcacheCache\" \/><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">e>\u52a0\u5165logback\u65e5\u5fd7<\/h3>\n\n\n\n<p>\u5b58\u5728SLF4J\u65f6\uff0c\u4f5c\u4e3a\u7b80\u6613\u65e5\u5fd7\u7684log4j\u5c06\u5931\u6548\uff0c\u6b64\u65f6\u6211\u4eec\u9700\u8981\u501f\u52a9SLF4J\u7684\u5177\u4f53\u5b9e\u73b0logback\u6765\u6253\u5370\u65e5\u5fd7\u3002<\/p>\n\n\n\n<p>\u521b\u5efalogback\u7684\u914d\u7f6e\u6587\u4ef6logback.xml<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n&lt;configuration debug=\"true\">\r\n    &lt;!-- \u6307\u5b9a\u65e5\u5fd7\u8f93\u51fa\u7684\u4f4d\u7f6e -->\r\n    &lt;appender name=\"STDOUT\" class=\"ch.qos.logback.core.ConsoleAppender\">\r\n        &lt;encoder>\r\n            &lt;!-- \u65e5\u5fd7\u8f93\u51fa\u7684\u683c\u5f0f -->\r\n            &lt;!-- \u6309\u7167\u987a\u5e8f\u5206\u522b\u662f\uff1a\u65f6\u95f4\u3001\u65e5\u5fd7\u7ea7\u522b\u3001\u7ebf\u7a0b\u540d\u79f0\u3001\u6253\u5370\u65e5\u5fd7\u7684\u7c7b\u3001\u65e5\u5fd7\u4e3b\u4f53\u5185\u5bb9\u3001\u6362\u884c -->\r\n            &lt;pattern>&#91;%d{HH:mm:ss.SSS}] &#91;%-5level] &#91;%thread] &#91;%logger] &#91;%msg]%n&lt;\/pattern>\r\n        &lt;\/encoder>\r\n    &lt;\/appender>\r\n\r\n    &lt;!-- \u8bbe\u7f6e\u5168\u5c40\u65e5\u5fd7\u7ea7\u522b\u3002\u65e5\u5fd7\u7ea7\u522b\u6309\u987a\u5e8f\u5206\u522b\u662f\uff1aDEBUG\u3001INFO\u3001WARN\u3001ERROR -->\r\n    &lt;!-- \u6307\u5b9a\u4efb\u4f55\u4e00\u4e2a\u65e5\u5fd7\u7ea7\u522b\u90fd\u53ea\u6253\u5370\u5f53\u524d\u7ea7\u522b\u548c\u540e\u9762\u7ea7\u522b\u7684\u65e5\u5fd7\u3002 -->\r\n    &lt;root level=\"DEBUG\">\r\n        &lt;!-- \u6307\u5b9a\u6253\u5370\u65e5\u5fd7\u7684appender\uff0c\u8fd9\u91cc\u901a\u8fc7\u201cSTDOUT\u201d\u5f15\u7528\u4e86\u524d\u9762\u914d\u7f6e\u7684appender -->\r\n        &lt;appender-ref ref=\"STDOUT\"\/>\r\n    &lt;\/root>\r\n\r\n    &lt;!-- \u6839\u636e\u7279\u6b8a\u9700\u6c42\u6307\u5b9a\u5c40\u90e8\u65e5\u5fd7\u7ea7\u522b -->\r\n    &lt;logger name=\"top.qaqaq.crowd.mapper\" level=\"DEBUG\"\/>\r\n\r\n&lt;\/configuration><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">f>EHCache\u914d\u7f6e\u6587\u4ef6\u8bf4\u660e<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/qaqaq.top\/wp-content\/uploads\/2023\/01\/image-5-842x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"1024\" data-original=\"https:\/\/qaqaq.top\/wp-content\/uploads\/2023\/01\/image-5-842x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-3149\"  sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001MyBatis\u7684\u4e00\u7ea7\u7f13\u5b58 \u4e00\u7ea7\u7f13\u5b58\u662fSqlSession\u7ea7\u522b\u7684\uff0c\u901a\u8fc7\u540c\u4e00\u4e2aSqlSession\u67e5\u8be2\u7684\u6570\u636e\u4f1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[111],"class_list":["post-3147","post","type-post","status-publish","format-standard","hentry","category-mybatis-code","tag-mybatis"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3147"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3147"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3147\/revisions"}],"predecessor-version":[{"id":3150,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3147\/revisions\/3150"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}