{"id":14280,"date":"2023-12-04T01:15:04","date_gmt":"2023-12-03T17:15:04","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14280"},"modified":"2023-12-04T01:15:27","modified_gmt":"2023-12-03T17:15:27","slug":"mybatis-dang-shi-ti-lei-zhong-de-shu-xing-ming-he","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-dang-shi-ti-lei-zhong-de-shu-xing-ming-he\/","title":{"rendered":"MyBatis \u5f53\u5b9e\u4f53\u7c7b\u4e2d\u7684\u5c5e\u6027\u540d\u548c\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u4e0d\u4e00\u6837\uff0c\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p>\u5f53\u5b9e\u4f53\u7c7b\u4e2d\u7684\u5c5e\u6027\u540d\u4e0e\u6570\u636e\u5e93\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u4e0d\u4e00\u81f4\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 MyBatis \u7684\u6620\u5c04\u529f\u80fd\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n<h3>1. \u5229\u7528 ResultMap \u8fdb\u884c\u6620\u5c04\uff1a<\/h3>\n<p>\u5728 XML \u6620\u5c04\u6587\u4ef6\u4e2d\u4f7f\u7528 ResultMap\uff0c\u624b\u52a8\u6307\u5b9a\u5c5e\u6027\u4e0e\u5b57\u6bb5\u7684\u5bf9\u5e94\u5173\u7cfb\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;resultMap id=\"userMap\" type=\"User\"&gt;\n  &lt;result property=\"userId\" column=\"user_id\"\/&gt;\n  &lt;result property=\"userName\" column=\"user_name\"\/&gt;\n  &lt;!-- \u5176\u4ed6\u6620\u5c04\u5173\u7cfb --&gt;\n&lt;\/resultMap&gt;\n\n&lt;select id=\"getUser\" resultMap=\"userMap\"&gt;\n  SELECT user_id, user_name FROM user_table WHERE user_id = #{userId}\n&lt;\/select&gt;\n<\/code><\/pre>\n<h3>2. \u4f7f\u7528\u6ce8\u89e3 <code>@Result<\/code>\uff1a<\/h3>\n<p>\u5728 Mapper \u63a5\u53e3\u4e2d\u4f7f\u7528 <code>@Result<\/code> \u6ce8\u89e3\uff0c\u6307\u5b9a\u5c5e\u6027\u4e0e\u5b57\u6bb5\u7684\u5bf9\u5e94\u5173\u7cfb\uff1a<\/p>\n<pre><code class=\"language-java  line-numbers\">@Results({\n    @Result(property = \"userId\", column = \"user_id\"),\n    @Result(property = \"userName\", column = \"user_name\")\n    \/\/ \u5176\u4ed6\u6620\u5c04\u5173\u7cfb\n})\n@Select(\"SELECT user_id, user_name FROM user_table WHERE user_id = #{userId}\")\nUser getUser(int userId);\n<\/code><\/pre>\n<h3>3. \u914d\u7f6e\u5168\u5c40\u7684\u6620\u5c04\u89c4\u5219\uff1a<\/h3>\n<p>\u5728 MyBatis \u7684\u5168\u5c40\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u9ed8\u8ba4\u7684\u6620\u5c04\u89c4\u5219\uff0c\u53ef\u4ee5\u901a\u8fc7 <code>mapUnderscoreToCamelCase<\/code> \u5c06\u6570\u636e\u5e93\u5b57\u6bb5\u7684\u4e0b\u5212\u7ebf\u547d\u540d\u8f6c\u6362\u4e3a\u9a7c\u5cf0\u547d\u540d\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;settings&gt;\n  &lt;setting name=\"mapUnderscoreToCamelCase\" value=\"true\"\/&gt;\n&lt;\/settings&gt;\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u80fd\u591f\u5e2e\u52a9\u4f60\u89e3\u51b3\u5b9e\u4f53\u7c7b\u5c5e\u6027\u540d\u548c\u6570\u636e\u5e93\u8868\u5b57\u6bb5\u540d\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\uff0c\u4f7f\u5f97\u67e5\u8be2\u7ed3\u679c\u80fd\u6b63\u786e\u5730\u6620\u5c04\u5230\u5b9e\u4f53\u7c7b\u7684\u5c5e\u6027\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u5b9e\u4f53\u7c7b\u4e2d\u7684\u5c5e\u6027\u540d\u4e0e\u6570\u636e\u5e93\u8868\u4e2d\u7684\u5b57\u6bb5\u540d\u4e0d\u4e00\u81f4\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 MyBatis \u7684\u6620\u5c04\u529f\u80fd\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u4e3b\u8981\u6709\u4ee5\u4e0b [&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-14280","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14280","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=14280"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14280\/revisions"}],"predecessor-version":[{"id":14281,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14280\/revisions\/14281"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14280"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}