nginx跨域问题配置:

    # Virtual Host Configs
    ##

    add_header Access-Control-Allow-Origin *;
    add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
    add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;