{"id":14185,"date":"2023-12-04T00:34:09","date_gmt":"2023-12-03T16:34:09","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=14185"},"modified":"2023-12-04T00:35:07","modified_gmt":"2023-12-03T16:35:07","slug":"mybatis-shi-fou-ke-yi-ying-she-enum-mei-ju-lei","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/mybatis-shi-fou-ke-yi-ying-she-enum-mei-ju-lei\/","title":{"rendered":"MyBatis \u662f\u5426\u53ef\u4ee5\u6620\u5c04 Enum \u679a\u4e3e\u7c7b\uff1f"},"content":{"rendered":"<p>\u662f\u7684\uff0cMyBatis \u652f\u6301\u5c06 Enum \u679a\u4e3e\u7c7b\u6620\u5c04\u5230\u6570\u636e\u5e93\u5b57\u6bb5\u3002<\/p>\n<h3>\u6620\u5c04\u914d\u7f6e\uff1a<\/h3>\n<p>\u5728 MyBatis \u7684 Mapper XML \u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EnumTypeHandler<\/code> \u6765\u5904\u7406 Enum \u7c7b\u578b\u7684\u6620\u5c04\uff0c\u5c06 Java \u4e2d\u7684 Enum \u6620\u5c04\u5230\u6570\u636e\u5e93\u5b57\u6bb5\u3002<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre data-language=XML><code class=\"language-markup  line-numbers\">&lt;resultMap id=\"userMap\" type=\"User\"&gt;\n    &lt;id property=\"id\" column=\"id\" \/&gt;\n    &lt;result property=\"gender\" column=\"gender\" javaType=\"com.example.Gender\" typeHandler=\"org.apache.ibatis.type.EnumTypeHandler\" \/&gt;\n&lt;\/resultMap&gt;\n<\/code><\/pre>\n<p>\u8fd9\u91cc <code>com.example.Gender<\/code> \u662f\u4e00\u4e2a Enum \u7c7b\u578b\uff0c\u5bf9\u5e94\u6570\u636e\u5e93\u4e2d\u7684 <code>gender<\/code> \u5b57\u6bb5\uff0c\u4f7f\u7528\u4e86 <code>EnumTypeHandler<\/code> \u8fdb\u884c\u6620\u5c04\u3002<\/p>\n<h3>EnumTypeHandler\uff1a<\/h3>\n<p><code>EnumTypeHandler<\/code> \u662f MyBatis \u63d0\u4f9b\u7684\u4e00\u4e2a\u9ed8\u8ba4\u7684\u679a\u4e3e\u7c7b\u578b\u5904\u7406\u5668\uff0c\u53ef\u4ee5\u5c06 Java \u4e2d\u7684\u679a\u4e3e\u7c7b\u578b\u4e0e\u6570\u636e\u5e93\u4e2d\u7684\u5b57\u6bb5\u8fdb\u884c\u8f6c\u6362\u3002\u5728\u914d\u7f6e\u4e2d\u901a\u8fc7 <code>typeHandler=\"org.apache.ibatis.type.EnumTypeHandler\"<\/code> \u6307\u5b9a\u4f7f\u7528\u8be5\u5904\u7406\u5668\u3002<\/p>\n<p>\u8fd9\u6837\uff0c\u5f53 MyBatis \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u4f1a\u6839\u636e\u914d\u7f6e\u81ea\u52a8\u5c06\u6570\u636e\u5e93\u4e2d\u7684\u5b57\u6bb5\u503c\u6620\u5c04\u5230 Java \u4e2d\u7684 Enum \u7c7b\u578b\uff0c\u6216\u8005\u5c06 Java \u4e2d\u7684 Enum \u7c7b\u578b\u503c\u6620\u5c04\u5230\u6570\u636e\u5e93\u5b57\u6bb5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u662f\u7684\uff0cMyBatis \u652f\u6301\u5c06 Enum \u679a\u4e3e\u7c7b\u6620\u5c04\u5230\u6570\u636e\u5e93\u5b57\u6bb5\u3002 \u6620\u5c04\u914d\u7f6e\uff1a \u5728 MyBatis \u7684 Mapp [&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-14185","post","type-post","status-publish","format-standard","hentry","category-mybatis"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14185","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=14185"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14185\/revisions"}],"predecessor-version":[{"id":14186,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/14185\/revisions\/14186"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=14185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=14185"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=14185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}