| dialect<\/td> | IDialect<\/td> | <\/td> | \u65b9\u8a00\u5b9e\u73b0\u7c7b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n \u9700\u8981\u4f7f\u7528\uff0c\u6211\u4eec\u8981\u5148\u914d\u7f6e\u62e6\u622a\u5668\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n \/**\r\n * \u6ce8\u518c\u63d2\u4ef6\r\n *\/\r\n@Bean\r\npublic MybatisPlusInterceptor paginationInterceptor() {\r\n\u200b\r\n MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();\r\n \/\/ \u6dfb\u52a0\u5206\u9875\u63d2\u4ef6\r\n PaginationInnerInterceptor pageInterceptor = new PaginationInnerInterceptor();\r\n \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u7684\u9875\u9762\u5927\u4e8e\u6700\u5927\u9875\u540e\u64cd\u4f5c\uff0ctrue\u8c03\u56de\u5230\u9996\u9875\uff0cfalse\u7ee7\u7eed\u8bf7\u6c42\u3002\u9ed8\u8ba4false\r\n pageInterceptor.setOverflow(false);\r\n \/\/ \u5355\u9875\u5206\u9875\u6761\u6570\u9650\u5236\uff0c\u9ed8\u8ba4\u65e0\u9650\u5236\r\n pageInterceptor.setMaxLimit(500L);\r\n \/\/ \u8bbe\u7f6e\u6570\u636e\u5e93\u7c7b\u578b\r\n pageInterceptor.setDbType(DbType.MYSQL);\r\n\u200b\r\n interceptor.addInnerInterceptor(pageInterceptor);\r\n return interceptor;\r\n}<\/code><\/pre>\n\n\n\n\u4e4b\u540e\u5c31\u53ef\u4ee5\u8fdb\u884c\u5206\u9875\u67e5\u8be2\uff1a<\/p>\n\n\n\n public void testMybatisPlus_Page(){\n \/\/ \u4e24\u4e2a\u53c2\u6570\uff1acurrent\u548csize\n \/\/current\u662f\u5f53\u524d\u9875\u6570\uff0c\u9ed8\u8ba4\u662f1\uff0c\u4ece1\u5f00\u59cb\uff0c\u4e0d\u662f0\u3002size\u662f\u6bcf\u4e00\u9875\u7684\u6761\u6570\u3002\n Page<User> page = new Page<>(1, 4);\n userMapper.selectPage(page,null);\n page.getRecords().forEach(System.out::println);\n}<\/code><\/pre>\n\n\n\n<\/p>\n\n\n\n \u9664\u6b64\u4e4b\u5916\uff0cPage\u7684\u65b9\u6cd5\u8fd8\u6709\u5f88\u591a\uff1a<\/p>\n\n\n\n \/\/page\u7684\u5176\u4ed6\u65b9\u6cd5\r\nSystem.out.println(\"\u5f53\u524d\u9875\uff1a\" + page.getCurrent());\r\nSystem.out.println(\"\u603b\u9875\u6570\uff1a\" + page.getPages());\r\nSystem.out.println(\"\u8bb0\u5f55\u6570\uff1a\" + page.getTotal());\r\nSystem.out.println(\"\u662f\u5426\u6709\u4e0a\u4e00\u9875\uff1a\" + page.hasPrevious());\r\nSystem.out.println(\"\u662f\u5426\u6709\u4e0b\u4e00\u9875\uff1a\" + page.hasNext());<\/code><\/pre>\n\n\n\n<\/p>\n\n\n\n \u5220\u9664\u64cd\u4f5c<\/h3>\n\n\n\n\u5220\u9664\u64cd\u4f5c\u548c\u67e5\u8be2\u7c7b\u4f3c\uff1a<\/p>\n\n\n\n userMapper.deleteById(4L);\nuserMapper.deleteBatchIds(Arrays.asList(1L,2L));\r\nMap<String, Object> map = new HashMap<>();\r\nmap.put(\"name\",\"xiaotian\");\r\nuserMapper.deleteByMap(map);<\/code><\/pre>\n\n\n\n<\/p>\n\n\n\n \u903b\u8f91\u5220\u9664<\/h3>\n\n\n\n\n\u7269\u7406\u5220\u9664\uff1a\u4ece\u6570\u636e\u5e93\u4e2d\u76f4\u63a5\u5220\u9664<\/p>\n\n\n\n \u903b\u8f91\u5220\u9664\uff1a\u5728\u6570\u636e\u5e93\u4e2d\u6ca1\u6709\u88ab\u5220\u9664\uff0c\u800c\u662f\u901a\u8fc7\u4e00\u4e2a\u53d8\u91cf\u6765\u8ba9\u5b83\u5931\u6548\u3002 deleted=0 ==\u300bdeleted=1<\/p>\n<\/blockquote>\n\n\n\n \u9996\u5148\u6211\u4eec\u5728\u6570\u636e\u8868\u4e2d\u589e\u52a0\u4e00\u4e2adeleted\u5b57\u6bb5\uff0c\u4e4b\u540e\u5728\u5b9e\u4f53\u7c7b\u4e0a\u6dfb\u52a0@TableLogic<\/code>\u6ce8\u89e3<\/p>\n\n\n\n@TableLogic\r\nInteger deleted;<\/code><\/pre>\n\n\n\n\u914d\u7f6e\u914d\u7f6e\u9879\uff1a<\/p>\n\n\n\n #\u914d\u7f6e\u65e5\u5fd7\nmybatis-plus:\n global-config:\n db-config:\n logic-delete-field: flag # \u5168\u5c40\u903b\u8f91\u5220\u9664\u7684\u5b9e\u4f53\u5b57\u6bb5\u540d(since 3.3.0,\u914d\u7f6e\u540e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u914d\u7f6e\u6b65\u9aa42)\n logic-delete-value: 1 # \u903b\u8f91\u5df2\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 1)\n logic-not-delete-value: 0 # \u903b\u8f91\u672a\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 0)\r<\/code><\/pre>\n\n\n\n\u8fd9\u91cc\u53ef\u4ee5\u901a\u8fc7\u6ce8\u89e3\u6307\u5b9a\u903b\u8f91\u5220\u9664\u5b57\u6bb5\uff0c\u4e5f\u53ef\u4ee5\u5728\u914d\u7f6e\u9879\u4e2d\u8bbe\u7f6e\u3002<\/p>\n\n\n\n \u903b\u8f91\u5220\u9664\u53ea\u5bf9\u81ea\u52a8\u6ce8\u5165\u7684SQL\u6709\u6548\uff1a<\/p>\n\n\n\n \n- \u5728\u66f4\u65b0\u548c\u67e5\u627e\u65f6\u4f1a\u8ffd\u52a0where\u5ffd\u7565\u903b\u8f91\u5220\u9664\u7684\u6570\u636e<\/li>\n\n\n\n
- \u5220\u9664\u64cd\u4f5c\u4f1a\u8f6c\u53d8\u4e3a\u66f4\u65b0\u64cd\u4f5c\uff0c\u8fdb\u884c\u903b\u8f91\u5220\u9664<\/li>\n<\/ol>\n\n\n\n
<\/p>\n\n\n\n \u6761\u4ef6\u6784\u9020\u5668<\/h2>\n\n\n\nMyBatisPlus\u53ef\u4ee5\u4f7f\u7528Wrapper\uff0c\u901a\u8fc7\u5176\u6784\u9020\u590d\u6742\u7684SQL\u3002<\/p>\n\n\n\n \u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528\u6761\u4ef6\u6784\u9020\u5668\u4f1a\u4f7f\u5f97\u4ee3\u7801\u8026\u5408\u6027\u9ad8\uff0c\u4f20\u8f93wrapper\u76f8\u5f53\u4e8econtroller\u7528map\u63a5\u6536\u503c\uff0c\u540e\u671f\u7ef4\u62a4\u6781\u4e3a\u56f0\u96be\u3002<\/p>\n\n\n\n \u5177\u4f53\u4f7f\u7528\u770bWrapper\u7684\u4f7f\u7528\u3002<\/p>\n\n\n\n <\/p>\n\n\n\n \u63a5\u53e3\u64cd\u4f5c<\/h2>\n\n\n\nMybatisPlus\u9664\u4e86\u5bf9Mapper\u5c01\u88c5\u4e86\u65b9\u4fbf\u7684\u6a21\u7248\uff0c\u4e5f\u5bf9Service\u4e1a\u52a1\u8fdb\u884c\u4e86\u6a21\u7248\u8bbe\u8ba1\uff0c\u6211\u4eec\u7ee7\u627f\u5bf9\u5e94\u7c7b\uff1a<\/p>\n\n\n\n @Service\r\npublic interface UserService extends IService<User> {\r\n \t\/\/\u9664\u4e86\u7ee7\u627f\u6a21\u7248\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u628a\u5b83\u5f53\u6210\u666e\u901aService\u6dfb\u52a0\u81ea\u5df1\u9700\u8981\u7684\u65b9\u6cd5\r\n}<\/code><\/pre>\n\n\n\n\u5185\u90e8\u63d0\u4f9b\u4e86\u5f88\u591a\u65b9\u4fbf\u7684\u65b9\u6cd5\uff0c\u5982\u6211\u4eec\u5e0c\u671b\u6279\u91cf\u63d2\u5165\uff1a<\/p>\n\n\n\n List<User> users = List.of(new User(\"xxx\"), new User(\"yyy\"));\r\n \t\/\/\u9884\u8bbe\u65b9\u6cd5\u4e2d\u5df2\u7ecf\u652f\u6301\u6279\u91cf\u4fdd\u5b58\u4e86\uff0c\u8fd9\u76f8\u6bd4\u6211\u4eec\u76f4\u63a5\u7528for\u6548\u7387\u9ad8\u4e0d\u5c11\r\nservice.saveBatch(users);<\/code><\/pre>\n\n\n\n\u6bd4\u5982\u8fd8\u6709\u66f4\u52a0\u65b9\u4fbf\u5feb\u6377\u7684\u4fdd\u5b58\u6216\u66f4\u65b0\u65b9\u6cd5\uff0c\u5f53\u6570\u636e\u4e0d\u5b58\u5728\u65f6\u63d2\u5165\uff0c\u5b58\u5728\u65f6\u5219\u66f4\u65b0\uff1a<\/p>\n\n\n\n service.saveOrUpdate(new User(\"aaa\"));<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"MyBatisPlus\u662fMyBatis\u7684\u589e\u5f3a\u5de5\u5177\uff0c\u5728MyBatis\u7684\u57fa\u7840\u4e0a\u53ea\u505a\u589e\u5f3a\u4e0d\u505a\u6539\u53d8\uff0c\u4e3a\u7b80\u5316\u5f00\u53d1\u3001\u63d0\u9ad8\u6548 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[6,1],"tags":[],"class_list":["post-1616","post","type-post","status-publish","format-standard","hentry","category-6","category-wcd"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1616"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1616"}],"version-history":[{"count":6,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1616\/revisions"}],"predecessor-version":[{"id":1625,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1616\/revisions\/1625"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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