1.rewrite
server {
listen 80;
server_name test.com;
rewrite ^(.*)$ https://$host$1 permanent;
}
2. nginx状态码 497重定向
server {
listen 443;
listen 80;
server_name a.com;
ssl on;
ssl_certificate /etc/nginx/test.pem;
ssl_certificate_key /etc/nginx/test.key;
error_page 497 https://$host$uri?$args;
}
3.页面刷新
<html> <meta http-equiv="refresh" content="0;url=https://a.com/"> </html>
server { listen 80; server_name a.com; location / { root /www/; } error_page 404 https://a.com/; }
原文：http://www.cnblogs.com/zjxbetter/p/5485988.html