php apache开启跨域模式过程详解

<VirtualHost *:80>
  ServerAdmin xxx@qq.
  DocumentRoot "C:/htdocs/demo"
  ServerName dev.dd.
  ##ErrorLog "logs/dummy-host.localhost-error.log"
  ##CustomLog "logs/dummy-host.localhost-aess.log" bined
  <Directory "C:/htdocs/demo">
    #Require all denied
    Header set Aess-Control-Allow-Origin *
  </Directory>
</VirtualHost>

<?php
   header("Aess-Control-Allow-Origin:*"); 
   //处理请求输出数据
?>

<VirtualHost *:80>
  ServerAdmin xxx@qq.
  DocumentRoot "C:/htdocs/demo"
  ServerName dev.dd.
  ##ErrorLog "logs/dummy-host.localhost-error.log"
  ##CustomLog "logs/dummy-host.localhost-aess.log" bined
  <Directory "C:/htdocs/demo">
    #Require all denied
    Header set Aess-Control-Allow-Origin http://feng.
  </Directory>
</VirtualHost>

header("Aess-Control-Allow-Origin:http://feng.");