axios 解决跨域问题 nginx 配置

如果报错No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://xxx.com' is therefore not allowed access. 说明服务器端不支持跨域

可以配置nginx 

    server {    
    listen       80;
    server_name  www.jiapin.com static.jiapin.com api.jiapin.com m.jiapin.com; 
    location / {
    if ($request_method = 'OPTIONS') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Authorization';
        add_header 'Access-Control-Max-Age' 60;
        add_header 'Content-Type' 'text/plain charset=UTF-8';
        add_header 'Content-Length' 0;
        return 204;
    }
    if ($request_method = 'POST') {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Authorization';
        add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Authorization';
    }
    if ($request_method = 'GET') {
         add_header 'Access-Control-Allow-Origin' '*';
         add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
         add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Authorization';
         add_header 'Access-Control-Expose-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range,Authorization';
    }
       
    root   E:/code/zzs/jiapin/public;
    index  index.html index.htm default.html default.htm index.php default.php app.php u.php;
    include        D:/wnmp7/htdocs/up-*.conf;
    if (!-e $request_filename){
         rewrite ^/(.*)$ /index.php/$1 last;
      
       }
    }
    autoindex off;
    include advanced_settings.conf;
    #include expires.conf;
    location ~* .*\/(attachment|attachments|uploadfiles|avatar)\/.*\.(php|php5|phps|asp|aspx|jsp)$ {
        deny all;
    }
    location ~ ^.+\.php {
        root           E:/code/zzs/jiapin/public;
        fastcgi_pass   bakend;
        fastcgi_index  index.php;
        fastcgi_split_path_info ^((?U).+\.php)(/?.+)$;
        fastcgi_param  PATH_INFO $fastcgi_path_info;
        fastcgi_param  PATH_TRANSLATED $document_root$fastcgi_path_info;
        include     fastcgi.conf;
      }
    }