摘要：
location / { if ($http_referer ~ 'demo.cn') { add_header X-Frame-Options DENY; add_header Content-Security-Policy DENY; } } 阅读全文
摘要：
select formatDateTime(create_time, '%Y-%m-%d') dat, count(*) counfrom user where group by formatDateTime(create_time, '%Y-%m-%d'); 阅读全文