在http节点中配置:
#支持跨域访问
add_header Access-Control-Allow-Origin *;
add_header Access-Control-Allow-Headers X-Requested-With;
add_header Access-Control-Allow-Methods GET,POST,OPTIONS;
参考网址:http://www.51testing.com/html/96/215196-829360.html
原文:http://www.cnblogs.com/huiy/p/7345335.html