# 设置HTML网页不被缓存
    location ~ .*\.(html)$ {
        expires -1;
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
        try_files $uri =404;
    }
 
    # 设置PHP网页不被缓存
    location ~ .*\.php$ {
        expires off;
        add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
    }