摘要:
begin declare sum int(0); select count(*) into sum from bm51 where bzz='0'; if (sum<20) then UPDATE bm51 SET bzz='0'; end if; end 阅读全文
摘要:
UnicodeEncodeError: 'UCS-2' codec can't encode characters in position 14-14: Non-BMP character not supported in Tk 出现类似表明不能输出相应的代码,只要不输出就不报错了 阅读全文