摘要:
1 select sysdate from dual;--2020-03-24 23:07:53 2 select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') as nowTime from dual; --日期转化为字符串 2020-03-24 23:08:1 阅读全文
摘要:
点击 file > project structure 点击modules > 把 add content root 先删除再新建路径 阅读全文