{"id":14292,"date":"2023-12-04T01:18:25","date_gmt":"2023-12-03T17:18:25","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14292"},"modified":"2023-12-04T01:19:08","modified_gmt":"2023-12-03T17:19:08","slug":"mybatis-ru-he-huo-qu-zi-dong-sheng-cheng-de-zhu-ji","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-ru-he-huo-qu-zi-dong-sheng-cheng-de-zhu-ji\/","title":{"rendered":"MyBatis \u5982\u4f55\u83b7\u53d6\u81ea\u52a8\u751f\u6210\u7684(\u4e3b)\u952e\u503c\uff1f"},"content":{"rendered":"<p>\u5728 MyBatis \u4e2d\u83b7\u53d6\u81ea\u52a8\u751f\u6210\u7684\u4e3b\u952e\u503c\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n<h3>1. \u4f7f\u7528 <code>useGeneratedKeys<\/code> \u548c <code>keyProperty<\/code>\uff1a<\/h3>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;insert id=\"insertUser\" parameterType=\"User\" useGeneratedKeys=\"true\" keyProperty=\"userId\"&gt;\n    INSERT INTO users (name, age) VALUES (#{name}, #{age})\n&lt;\/insert&gt;\n<\/code><\/pre>\n<ul>\n<li><code>useGeneratedKeys=\"true\"<\/code>\uff1a\u544a\u8bc9 MyBatis \u4f7f\u7528\u6570\u636e\u5e93\u7684\u81ea\u589e\u4e3b\u952e\u751f\u6210\u7b56\u7565\u3002<\/li>\n<li><code>keyProperty=\"userId\"<\/code>\uff1a\u6307\u5b9a\u5c06\u81ea\u52a8\u751f\u6210\u7684\u4e3b\u952e\u503c\u8d4b\u7ed9 <code>User<\/code> \u5bf9\u8c61\u7684 <code>userId<\/code> \u5c5e\u6027\u3002<\/li>\n<\/ul>\n<h3>2. \u8fd4\u56de\u4e3b\u952e\u503c\u4f5c\u4e3a\u67e5\u8be2\u7ed3\u679c\uff1a<\/h3>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;insert id=\"insertUser\" parameterType=\"User\"&gt;\n    INSERT INTO users (name, age) VALUES (#{name}, #{age})\n    &lt;selectKey keyProperty=\"userId\" order=\"AFTER\" resultType=\"int\"&gt;\n        SELECT LAST_INSERT_ID()\n    &lt;\/selectKey&gt;\n&lt;\/insert&gt;\n<\/code><\/pre>\n<ul>\n<li><code>&lt;selectKey&gt;<\/code> \u6807\u7b7e\u7528\u4e8e\u6267\u884c\u67e5\u8be2\u4ee5\u83b7\u53d6\u4e3b\u952e\u503c\uff0c<code>LAST_INSERT_ID()<\/code> \u662f\u83b7\u53d6 MySQL \u81ea\u589e\u4e3b\u952e\u7684\u51fd\u6570\uff0c<code>order=\"AFTER\"<\/code> \u8868\u793a\u5728\u63d2\u5165\u540e\u6267\u884c\u3002<\/li>\n<\/ul>\n<h3>3. \u4f7f\u7528 <code>@Options<\/code> \u6ce8\u89e3\uff1a<\/h3>\n<pre><code class=\"language-java  line-numbers\">@Options(useGeneratedKeys = true, keyProperty = \"userId\")\n@Insert(\"INSERT INTO users (name, age) VALUES (#{name}, #{age})\")\nint insertUser(User user);\n<\/code><\/pre>\n<ul>\n<li>\u4f7f\u7528 <code>@Options<\/code> \u6ce8\u89e3\uff0c\u5728\u6ce8\u89e3\u4e2d\u8bbe\u7f6e <code>useGeneratedKeys = true<\/code> \u548c <code>keyProperty = \"userId\"<\/code>\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u65b9\u5f0f\u80fd\u591f\u8ba9 MyBatis \u5728\u6267\u884c\u63d2\u5165\u64cd\u4f5c\u540e\u83b7\u53d6\u81ea\u52a8\u751f\u6210\u7684\u4e3b\u952e\u503c\uff0c\u5e76\u5c06\u5176\u8bbe\u7f6e\u5230\u5bf9\u5e94\u7684\u5c5e\u6027\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MyBatis \u4e2d\u83b7\u53d6\u81ea\u52a8\u751f\u6210\u7684\u4e3b\u952e\u503c\u901a\u5e38\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a 1. \u4f7f\u7528 useGeneratedKeys  [&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-14292","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14292","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=14292"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14292\/revisions"}],"predecessor-version":[{"id":14293,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14292\/revisions\/14293"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14292"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}