{"id":3090,"date":"2023-01-01T21:44:37","date_gmt":"2023-01-01T13:44:37","guid":{"rendered":"https:\/\/qaqaq.top\/?p=3090"},"modified":"2023-01-01T21:44:38","modified_gmt":"2023-01-01T13:44:38","slug":"mybatis%e8%8e%b7%e5%8f%96%e5%8f%82%e6%95%b0%e5%80%bc%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%96%b9%e5%bc%8f%ef%bc%88%e9%87%8d%e7%82%b9%ef%bc%89","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=3090","title":{"rendered":"MyBatis\u83b7\u53d6\u53c2\u6570\u503c\u7684\u4e24\u79cd\u65b9\u5f0f\uff08\u91cd\u70b9\uff09"},"content":{"rendered":"\n

MyBatis\u83b7\u53d6\u53c2\u6570\u503c\u7684\u4e24\u79cd\u65b9\u5f0f\uff1a${}\u548c#{}<\/p>\n\n\n\n

${}\u7684\u672c\u8d28\u5c31\u662f\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c#{}\u7684\u672c\u8d28\u5c31\u662f\u5360\u4f4d\u7b26\u8d4b\u503c<\/p>\n\n\n\n

${}\u4f7f\u7528\u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u65b9\u5f0f\u62fc\u63a5sql\uff0c\u82e5\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u6216\u65e5\u671f\u7c7b\u578b\u7684\u5b57\u6bb5\u8fdb\u884c\u8d4b\u503c\u65f6\uff0c\u9700\u8981\u624b\u52a8\u52a0\u5355\u5f15
\u53f7\uff1b\u4f46\u662f#{}\u4f7f\u7528\u5360\u4f4d\u7b26\u8d4b\u503c\u7684\u65b9\u5f0f\u62fc\u63a5sql\uff0c\u6b64\u65f6\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u6216\u65e5\u671f\u7c7b\u578b\u7684\u5b57\u6bb5\u8fdb\u884c\u8d4b\u503c\u65f6\uff0c\u53ef\u4ee5\u81ea
\u52a8\u6dfb\u52a0\u5355\u5f15\u53f7<\/p>\n\n\n\n

1\u3001\u5355\u4e2a\u5b57\u9762\u91cf\u7c7b\u578b\u7684\u53c2\u6570<\/h2>\n\n\n\n

\u82e5mapper\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u53c2\u6570\u4e3a\u5355\u4e2a\u7684\u5b57\u9762\u91cf\u7c7b\u578b<\/p>\n\n\n\n

\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528${}\u548c#{}\u4ee5\u4efb\u610f\u7684\u540d\u79f0\u83b7\u53d6\u53c2\u6570\u7684\u503c\uff0c\u6ce8\u610f${}\u9700\u8981\u624b\u52a8\u52a0\u5355\u5f15\u53f7<\/p>\n\n\n\n

2\u3001\u591a\u4e2a\u5b57\u9762\u91cf\u7c7b\u578b\u7684\u53c2\u6570<\/h2>\n\n\n\n

\u82e5mapper\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u53c2\u6570\u4e3a\u591a\u4e2a\u65f6<\/p>\n\n\n\n

\u6b64\u65f6MyBatis\u4f1a\u81ea\u52a8\u5c06\u8fd9\u4e9b\u53c2\u6570\u653e\u5728\u4e00\u4e2amap\u96c6\u5408\u4e2d\uff0c\u4ee5arg0,arg1\u2026\u4e3a\u952e\uff0c\u4ee5\u53c2\u6570\u4e3a\u503c\uff1b\u4ee5
param1,param2\u2026\u4e3a\u952e\uff0c\u4ee5\u53c2\u6570\u4e3a\u503c\uff1b\u56e0\u6b64\u53ea\u9700\u8981\u901a\u8fc7${}\u548c#{}\u8bbf\u95eemap\u96c6\u5408\u7684\u952e\u5c31\u53ef\u4ee5\u83b7\u53d6\u76f8\u5bf9\u5e94\u7684
\u503c\uff0c\u6ce8\u610f${}\u9700\u8981\u624b\u52a8\u52a0\u5355\u5f15\u53f7<\/p>\n\n\n\n

3\u3001map\u96c6\u5408\u7c7b\u578b\u7684\u53c2\u6570<\/h2>\n\n\n\n

\u82e5mapper\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u9700\u8981\u7684\u53c2\u6570\u4e3a\u591a\u4e2a\u65f6\uff0c\u6b64\u65f6\u53ef\u4ee5\u624b\u52a8\u521b\u5efamap\u96c6\u5408\uff0c\u5c06\u8fd9\u4e9b\u6570\u636e\u653e\u5728map\u4e2d<\/p>\n\n\n\n

\u53ea\u9700\u8981\u901a\u8fc7${}\u548c#{}\u8bbf\u95eemap\u96c6\u5408\u7684\u952e\u5c31\u53ef\u4ee5\u83b7\u53d6\u76f8\u5bf9\u5e94\u7684\u503c\uff0c\u6ce8\u610f${}\u9700\u8981\u624b\u52a8\u52a0\u5355\u5f15\u53f7<\/p>\n\n\n\n

4\u3001\u5b9e\u4f53\u7c7b\u7c7b\u578b\u7684\u53c2\u6570<\/h2>\n\n\n\n

\u82e5mapper\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u53c2\u6570\u4e3a\u5b9e\u4f53\u7c7b\u5bf9\u8c61\u65f6<\/p>\n\n\n\n

\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528${}\u548c#{}\uff0c\u901a\u8fc7\u8bbf\u95ee\u5b9e\u4f53\u7c7b\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u540d\u83b7\u53d6\u5c5e\u6027\u503c\uff0c\u6ce8\u610f${}\u9700\u8981\u624b\u52a8\u52a0\u5355\u5f15\u53f7<\/p>\n\n\n\n

5\u3001\u4f7f\u7528@Param\u6807\u8bc6\u53c2\u6570<\/h2>\n\n\n\n

\u53ef\u4ee5\u901a\u8fc7@Param\u6ce8\u89e3\u6807\u8bc6mapper\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\u53c2\u6570<\/p>\n\n\n\n

\u6b64\u65f6\uff0c\u4f1a\u5c06\u8fd9\u4e9b\u53c2\u6570\u653e\u5728map\u96c6\u5408\u4e2d\uff0c\u4ee5@Param\u6ce8\u89e3\u7684value\u5c5e\u6027\u503c\u4e3a\u952e\uff0c\u4ee5\u53c2\u6570\u4e3a\u503c\uff1b\u4ee5
param1,param2\u2026\u4e3a\u952e\uff0c\u4ee5\u53c2\u6570\u4e3a\u503c\uff1b\u53ea\u9700\u8981\u901a\u8fc7${}\u548c#{}\u8bbf\u95eemap\u96c6\u5408\u7684\u952e\u5c31\u53ef\u4ee5\u83b7\u53d6\u76f8\u5bf9\u5e94\u7684\u503c\uff0c
\u6ce8\u610f${}\u9700\u8981\u624b\u52a8\u52a0\u5355\u5f15\u53f7<\/p>\n","protected":false},"excerpt":{"rendered":"

MyBatis\u83b7\u53d6\u53c2\u6570\u503c\u7684\u4e24\u79cd\u65b9\u5f0f\uff1a${}\u548c#{} ${}\u7684\u672c\u8d28\u5c31\u662f\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c#{}\u7684\u672c\u8d28\u5c31\u662f\u5360\u4f4d\u7b26\u8d4b\u503c $ […]<\/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-3090","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\/3090"}],"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=3090"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3090\/revisions"}],"predecessor-version":[{"id":3091,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3090\/revisions\/3091"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}