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FooTable自定义切换按钮(FooTable Custom Toggle Button)

 FooTable的小切换按钮来自以下css 
 

.footable.breakpoint > tbody > tr.footable-detail-show > td > span.footable-toggle:before {
    content: "\e000";
}

.footable.breakpoint > tbody > tr > td > span.footable-toggle:before {
    content: "\e000";
}

 

 但是，我想用一个使用以下CSS和HTML的三角形替换它 
 

.arrow-down {
  width: 0; 
  height: 0; 
  padding: 0;
  margin: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 9px solid #000;
  position: relative;
  right: -6px !important;
}


 <div class="arrow-down"></div>

 

 我不确定这是否可能，或者如何进行，所以任何建议都会很棒！ 
 

 （FooTable Toggle Icons的链接http://fooplugins.com/footable/demos/icon-styles.htm ） 

The little toggle button for FooTable comes from the following css
 

.footable.breakpoint > tbody > tr.footable-detail-show > td > span.footable-toggle:before {
    content: "\e000";
}

.footable.breakpoint > tbody > tr > td > span.footable-toggle:before {
    content: "\e000";
}

 

However, I would like to replace it with a triangle which uses the following CSS and HTML
 

.arrow-down {
  width: 0; 
  height: 0; 
  padding: 0;
  margin: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 9px solid #000;
  position: relative;
  right: -6px !important;
}


 <div class="arrow-down"></div>

 

I am not sure if this possible, or how to go about so any advice would be great!
 

(Link for FooTable Toggle Icons http://fooplugins.com/footable/demos/icon-styles.htm)

原文：https://stackoverflow.com/questions/38659580
更新时间：2023-01-19 14:01

最满意答案

 哦，我们是一个代码编写服务。 呵呵。 也许我们可以使用XPath完成所有操作，而不是在R中旋转不必要的循环： 
 

library(xml2)
library(rvest)

doc_txt <- "<p>hello world</p>
<p>the weather is fine today</p>
<p>it is fine in a lot of places in the world<p>"

doc <- read_html(doc_txt)

xml_text(xml_nodes(doc, xpath="//p[text()[contains(.,'world')]]"))

## [1] "hello world"                                
## [2] "it is fine in a lot of places in the world"

 

 如果你无法升级到Hadleyverse，那么类似的成语将在XML包中起作用： 
 

library(XML)

xdoc <- htmlParse(doc_txt)
xpathSApply(xdoc, "//p[text()[contains(.,'world')]]", xmlValue)

## [1] "hello world"                                
## [2] "it is fine in a lot of places in the world"


Oh, we are a code-writing service. Huh. Perhaps we can do it all with XPath then and not spin needless cycles in R:
 

library(xml2)
library(rvest)

doc_txt <- "<p>hello world</p>
<p>the weather is fine today</p>
<p>it is fine in a lot of places in the world<p>"

doc <- read_html(doc_txt)

xml_text(xml_nodes(doc, xpath="//p[text()[contains(.,'world')]]"))

## [1] "hello world"                                
## [2] "it is fine in a lot of places in the world"

 

Similar idiom will work in the XML package if you can't level up to the Hadleyverse:
 

library(XML)

xdoc <- htmlParse(doc_txt)
xpathSApply(xdoc, "//p[text()[contains(.,'world')]]", xmlValue)

## [1] "hello world"                                
## [2] "it is fine in a lot of places in the world"

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