04 2022 档案

摘要：先加一个配置。设置超时时间。 spring: mvc: async: request-timeout: 20 接口的方法返回参数必须是Callable @RestController public class TestController { @GetMapping("/test") public 阅读全文

摘要：报错语句: delete from users where username in ( select username from users where enabled = 0 ) 解决办法: 修改子查询，多嵌套一层 delete from users where username in ( sel 阅读全文