写在.htaccess中

一：http跳转https

RewriteCond %{SERVER_PORT} !^443$
RewriteRule (.*) https://%{SERVER_NAME}/$1 [R=301,L]

二：不带www跳转到带www

RewriteCond %{http_host} ^ub07.com [NC]
RewriteRule ^(.*)$ http://www.diqiyishu.com/$1 [L,R=301]

三：带www跳转到不带www

RewriteCond %{http_host} ^www.jipinji.cn [NC]
RewriteRule ^(.*)$ http://diqiyishu.cn/$1 [L,R=301]