07 2020 档案

Could not autowire
摘要：@Autowired注入一个接口, 一个接口下有多个实现类时, 自动注入接口造成idea检测到错误 Could not autowire. There is more than one bean of 'UserDetailsService' type. 阅读全文
posted @ 2020-07-22 12:43 FuKai 阅读(1617) 评论(0) 推荐(0)
No MyBatis mapper was found
摘要：控制台启动时WARN No MyBatis mapper was found in '[xx]' package. Please check your configuration. 阅读全文
posted @ 2020-07-15 11:36 FuKai 阅读(1929) 评论(0) 推荐(0)
mysql数据类型char与varchar的区别
摘要：char(64)和varchar(64)各指的什么? char和varchar有什么不同? 阅读全文
posted @ 2020-07-14 11:03 FuKai 阅读(590) 评论(0) 推荐(0)