Nginx 跨域配置 和 Options 预检缓存

跨域

    add_header Access-Control-Allow-Origin $http_origin;
    add_header 'Access-Control-Allow-Credentials' 'true';
    add_header Access-Control-Allow-Headers x-requested-with,lang,Origin,origin- 
secret,referer,content-type,auth-token;
    add_header Access-Control-Allow-Methods GET,POST,OPTIONS;

Options缓存

    add_header 'Access-Control-Max-Age' 86400;