比如2014苹果秋季发布会中文视频：iPad Air 2 1017 这个链接评论内容，本以为解析源代码的标签就可以，但是源代码里没有找到对应的HTML元素，用file_get_contents或curl直接404，有什么方法可以获取？
file_get_contents
curl
闭关修行中......
http://comments.youku.com/comments/~ajax/vpcommentContent.html?__ap=%7B%22videoid%22:%22201269103%22,%22sid%22:%22720101079%22,%22page%22:1,%22commentSid%22:%22%22,%22showid%22:%220%22%7D&__ai=&__callback=displayComments
![[Web front-end] Permulaan pantas Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
http://comments.youku.com/comments/~ajax/vpcommentContent.html?__ap=%7B%22videoid%22:%22201269103%22,%22sid%22:%22720101079%22,%22page%22:1,%22commentSid%22:%22%22,%22showid%22:%220%22%7D&__ai=&__callback=displayComments