摘要:
查询同一张表里同一个字段值的和以及状态是2(或1)时,该字段值的和 SQL语句: select a.sum allLength, b.sum length from (select 1 as t, SUM(length) as sum from t_base_cabinet) a, (select 阅读全文
摘要:
严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener org.springframewor 阅读全文