Nginx domain name rewrite does not add www to add www.

server {Listen 80;server_name www.xxxx.net xxxx.net; #配置发布目录为/usr/local/nginx/data/rw-owsroot/usr/local/nginx/data/ Rw-ows, #添加以下405代码error_page 405 =200 $uri; Location/{proxy_next_upstream http_502 http_504 error timeout invalid_header;proxy_set_header Host $host;p roxy_set_               Header X-real-ip $remote _addr;proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for;proxy_pass http://rw-ows; #=========================cors nginx Configuration ============================= if ($http _origin ~* (https?:/ /[^/]*\.roamwifi\.net (: [0-9]+)?)                $) {Set $cors "true";                   } if ($request _method = ' OPTIONS ') {set $cors "${cors}options";      } if ($request _method = ' GET ') {set $cors "${cors}get";    } if ($request _method = ' POST ') {set $cors "${cors}post";       } if ($cors = "Trueget") {add_header ' Access-control-allow-origin ' "$http _origin"; Add_header ' access-Control-allow-credentials ' true ';        } if ($cors = "Truepost") {add_header ' Access-control-allow-origin ' "$http _origin";        Add_header ' access-control-allow-credentials ' true ';                  } if ($cors = "Trueoptions") {#add_header ' Access-control-allow-origin ' "$http _origin";          Add_header ' Access-control-allow-origin ' *;        Add_header ' access-control-allow-credentials ' true ';        Add_header ' Access-control-max-age ' 1728000; Add_header ' Access-control-allow-headers ' Authorization,content-type,accept,origin,user-agent,dnt,cache-control                 , X-mx-reqtoken,keep-alive,x-requested-with,if-modified-since ';                 Add_header ' content-length ' 0;                 Add_header ' Content-type ' Text/plain charset=utf-8 ';                  #return 200;      return 204; }} #动态页面交给http://rw-ows,location ~. *\. (JSP|DO)? $ {proxy_set_header Host $host;p roxy_set_header x-real-ip $remote _addr;proxy_set_header x-forwarded-for $ Proxy_aDd_x_forwarded_for;proxy_pass Http://rw-ows;} #配置Nginx动静分离, defined static pages are read directly from the Nginx publishing directory. Location ~. *\. (html|gif|jpg|jpeg|bmp|png|ico|txt|js|css|swf) $ {root/usr/local/nginx/data/xxxx; #expires定义用户浏览器缓存的时间为1天,        If the static page is not updated frequently, it can be set longer, which can save bandwidth and relieve the pressure of the server expires 1d;}        Location =/anon_login.jsp {return 301 https://$server _name$request_uri;        } location =/anon_register.jsp {return 301 https://$server _name$request_uri;        } location =/anon_forgetpwd.jsp {return 301 https://$server _name$request_uri;          } if ($host! = ' www.xxxx.net ') {rewrite "^/(. *) $" http://www.xxxx.net/$1 permanent; } }

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