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......
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