微软ppt调用 
http://view.officeapps.live.com/op/view.aspx?src=D:/phpstudy_pro/WWW/crm.com/uploads/ppt/test.ppt?llcc=zh-CN
 https://view.officeapps.live.com/op/view.aspx?src=http://c.taiww.com/linshi/test.ppt