nginx域名重写 不加www 转到加www.
 

server {


　　listen 80;


　　server_name cheapeyeglasses.net cheapeyeglasses.net;


　　... ...


　　


}


server {


　　listen 80;


　　server_name cheapeyeglasses.net;


　　rewrite ^ (.*)$ http://cheapeyeglasses.net$1 permanent;


}





#=================================================





#无www跳转到有www


server {


server_name www.cheapeyeglasses.net cheapeyeglasses.net ;


if ($host != 'www.cheapeyeglasses.net) {


rewrite ^ / (.*)$ http: //www.cheapeyeglasses.net/$1 permanent;


}


...


}