nginx+ajax跨域访问设置

对nginx.conf做如下修改（在监听端口下添加），然后执行nginx -s reload即可:

 add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Credentials' 'true'; add_header 'Access-Control-Allow-Methods' 'OPTION, POST, GET'; add_header 'Access-Control-Allow-Headers' 'X-Requested-With, Content-Type';