thinkphp跨域问题解决

    location ~* .*\.(gif|jpg|jpeg|png|bmp|swf|ppt|xls|xlsx)$ {
  	add_header Access-Control-Allow-Origin *;
  	add_header Access-Control-Allow-Headers X-Requested-With;
  	add_header Access-Control-Allow-Methods GET,POST,PUT,DELETE,OPTIONS;
 
    if ($request_method = 'OPTIONS') {
    	return 204;
    }
    	expires 30d;
    }