php在抓取数据的时候,如何抓取带有分页的数据呢??
补充:抓取的是类似www.xxxblog.com这样链接下的文章列表,文章列表都是带分页的!
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php在抓取数据的时候,如何抓取带有分页的数据呢??
补充:抓取的是类似www.xxxblog.com这样链接下的文章列表,文章列表都是带分页的!
我用java抓取过带分页的数据,我是通过url来抓取的,分页是用for循环来改写url里的对应不同页的key值实现的
通过不停请求下一页的URL获得,也可以获取到总页数,然后分析拼接URL获得~
这个分一些情况。
1:异步处理的,可以通过请求,返回json数据,然后处理
2:非异步,分步处理。首先获取总的页码,然后手动拼接页码,循环请求每个页面,再对单个页面进行抓取。
先查看页面的源码情况,然后明确action和args。
一般的案例:
action: http://www.xxx.com/testAction.do
args: filtersParams={}&curIndex=1&pageSize=10
页面中还会有total(总数据),totolPage(总页数)
可以通过这些信息在后台代码进行判断所存在分页就for调用这个action?args即可

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