php解析HTML使用php DomDocument类或者phpQuery,还是自己正则表达式匹配效率高?
php解析HTML使用php DomDocument类或者phpQuery,还是自己正则表达式匹配效率高?
回复内容:
php解析HTML使用php DomDocument类或者phpQuery,还是自己正则表达式匹配效率高?
有些小地方的话用用正则还行,但是用的频繁的话不管是开发效率还是执行效率(包括命中率)怎么说也还是使用 phpQuery 这种工具会好很多。最后,没事别吃饱了撑的用正则去解析DOM!!!
从编写来看 DOM高
执行来看 正则高
看具体需求了 如果是大量的网页抓取DOM解析会死人的
解析DOM很麻烦的 正如一楼说的 ###没事别吃饱了撑的用正则去解析DOM!!!###
就算是执行效率,也是dom高。
骚年,网页抓数据还是不要用php了,试试python node ruby 之类吧

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