表中的Xpath表 [英] Xpath Table Within Table

问题描述

我在用DOMXpath刮擦大量表格的页面时遇到了一个问题。

布局确实很丑陋，这意味着我试图从表格中获取内容表格中的表格。
使用Firebug FirePath我正在为table元素获取以下路径：

  html / body / table / tbody / tr [3] / td / table [1] / tbody / tr [2] / td [1] / table [1] / tbody / tr [3] / td [4] 
  所以我的问题是如何最好地从表格中的表格中获取表格中的内容？
 
 
我上传了要在此处抓取的文件： 1  
解决方案
我遇到了与您同样的问题，报废了一个复杂且格式不正确的html源，我想在其中获取另一个表中一个表中的值。
 
 
 
我采用了这样的方法来关注我想要的零件，例如： 
 
 
  function parse_html（）{//得到我选择提取内容的表的特定部分
 $ query = $ xpath-> query（'// tr [@ data-eventid] / @ data-eventid'） ; //获取我想要的表
 $ this-> parse_table（）; 
} 
函数parse_table（）{// 
 $ query = $ xpath-> query（'// tr [@ data-eventid = 405412] / td [@ class = 影响] / span [@title] / @ title'）; ... etc //提取表
 $ this-> parseEvaluate（）;的内容。 
} 
函数parseEvaluate（）{
 ...验证值是否正确
} 
  
只给出想法。
 
I am having a bit of a problem of scraping a table-heavy page with DOMXpath.
The layout is really ugly, meaning I am trying to get content out of a table within a table within a table.
Using Firebug FirePath I am getting for the table element the following path:
 html/body/table/tbody/tr[3]/td/table[1]/tbody/tr[2]/td[1]/table[1]/tbody/tr[3]/td[4]
Now, after endless experimenting I found out, that with a stand alone table, I need to remove the "tbody" tag to make it work. But this doesn't seem to be enough for tables within tables.
So my question is how do I best get content out of tables within tables within tables?
I uploaded the file which I am trying to scrape here:1
解决方案
i have gone through with the same problem as yours scrapping a source of complicated and not well formatted html where i want to get the values in a table inside another tables..

i came with the approach of eyeing the part that i want to get with some series of function like this:
function parse_html() {//gets a specific part of the table i chose to extract the contents
    $query = $xpath->query('//tr[@data-eventid]/@data-eventid'); //gets the table i want
    $this->parse_table();
}
function parse_table() {//
    $query = $xpath->query('//tr[@data-eventid="405412"]/td[@class="impact"]/span[@title]/@title');...etc//extracts the content of the table
    $this->parseEvaluate();
} 
function parseEvaluate(){
    ...verifying values if correct
}
just giving the idea..

                        
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