{"id":14173,"date":"2023-12-04T00:23:53","date_gmt":"2023-12-03T16:23:53","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14173"},"modified":"2023-12-04T00:26:06","modified_gmt":"2023-12-03T16:26:06","slug":"mybatis-zhong-ru-he-zhi-ding-shi-yong-na-yi-zhong","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-zhong-ru-he-zhi-ding-shi-yong-na-yi-zhong\/","title":{"rendered":"MyBatis \u4e2d\u5982\u4f55\u6307\u5b9a\u4f7f\u7528\u54ea\u4e00\u79cd Executor \u6267\u884c\u5668\uff1f"},"content":{"rendered":"

\u5728 MyBatis \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6765\u6307\u5b9a\u4f7f\u7528\u54ea\u4e00\u79cd Executor \u6267\u884c\u5668\u3002Executor \u6267\u884c\u5668\u4e3b\u8981\u6709\u4e09\u79cd\u7c7b\u578b\uff1a<\/p>\n

    \n
  1. SimpleExecutor<\/strong>\uff1a\u6bcf\u6267\u884c\u4e00\u6b21 update \u6216 query\uff0c\u5c31\u5f00\u542f\u4e00\u4e2a Statement \u5bf9\u8c61\uff0c\u7528\u5b8c\u7acb\u5373\u5173\u95ed Statement \u5bf9\u8c61\u3002<\/p>\n<\/li>\n
  2. \n

    ReuseExecutor<\/strong>\uff1a\u6267\u884c update \u6216 query \u65f6\uff0c\u5982\u679c\u5b58\u5728\u53ef\u91cd\u7528\u7684 Statement \u5bf9\u8c61\uff0c\u5219\u91cd\u7528\u8be5 Statement \u5bf9\u8c61\uff0c\u5426\u5219\u521b\u5efa\u65b0\u7684 Statement \u5bf9\u8c61\u3002<\/p>\n<\/li>\n

  3. \n

    BatchExecutor<\/strong>\uff1a\u6279\u91cf\u5904\u7406\u5668\uff0c\u7528\u4e8e\u6279\u91cf\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u8981\u6307\u5b9a\u4f7f\u7528\u54ea\u4e00\u79cd Executor \u6267\u884c\u5668\uff0c\u53ef\u4ee5\u5728 MyBatis \u7684\u914d\u7f6e\u6587\u4ef6\uff08mybatis-config.xml<\/code>\uff09\u4e2d\u914d\u7f6e <setting><\/code> \u6807\u7b7e\u4e2d\u7684 defaultExecutorType<\/code> \u5c5e\u6027\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

    <configuration>\n  <!-- \u5176\u4ed6\u914d\u7f6e -->\n  <settings>\n    <!-- \u6307\u5b9a\u4f7f\u7528 ReuseExecutor \u6267\u884c\u5668 -->\n    <setting name=\"defaultExecutorType\" value=\"REUSE\"\/>\n  <\/settings>\n<\/configuration>\n<\/code><\/pre>\n
    \u53e6\u5916\uff0c\u8fd8\u53ef\u4ee5\u5728 SqlSessionFactory \u7684\u521b\u5efa\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u4ee3\u7801\u65b9\u5f0f\u6765\u6307\u5b9a Executor \u6267\u884c\u5668\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n
    String resource = \"mybatis-config.xml\";\nInputStream inputStream = Resources.getResourceAsStream(resource);\nSqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream, \"REUSE\");\n<\/code><\/pre>\n
    \u8fd9\u91cc\u7684 \"REUSE\"<\/code> \u662f\u6307\u5b9a\u7684\u6267\u884c\u5668\u7c7b\u578b\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539\u4e3a\u5176\u4ed6\u7c7b\u578b\uff0c\u6bd4\u5982 \"SIMPLE\"<\/code>\u3001\"BATCH\"<\/code> \u7b49\u3002\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u8005\u4ee3\u7801\u65b9\u5f0f\u6307\u5b9a\u6267\u884c\u5668\u7c7b\u578b\uff0c\u53ef\u4ee5\u7075\u6d3b\u63a7\u5236 MyBatis \u5728\u6267\u884c SQL \u65f6\u6240\u91c7\u7528\u7684\u6267\u884c\u5668\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 MyBatis \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6765\u6307\u5b9a\u4f7f\u7528\u54ea\u4e00\u79cd Executor \u6267\u884c\u5668\u3002Executor \u6267\u884c\u5668\u4e3b […]<\/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-14173","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14173","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=14173"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14173\/revisions"}],"predecessor-version":[{"id":14174,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14173\/revisions\/14174"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14173"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}