Power Query/BI Html.Table CSS 选择器相关内容（备份）

2018-10-18 16:26:52 ⋅ 3403 ⋅ 4 ⋅ 0

获取网页源代码的函数
Web.BrowserContents

进行CSS选择返回表格的函数
Html.Table

支持的CSS语法(常用于第3参数）

Selector Example Example description
.class .intro Selects all elements with class="intro"
#id #firstname Selects the element with id="firstname"
* * Selects all elements
element p Selects all p elements
element,element div, p Selects all div elements and all p elements
element?element div p Selects all p elements inside div elements
element**element div ** p Selects all p elements where the parent is a div element
element+element div + p Selects all p elements that are placed immediately after div elements
element1~element2 p ~ ul Selects every ul element that are preceded by a p element
[attribute] [target] Selects all elements with a target attribute
[attribute=value] [target=_blank] Selects all elements with target="_blank"
[attribute~=value] [title~=flower] Selects all elements with a title attribute containing the word "flower"
[attribute┃=value] [lang┃=en] Selects all elements with a lang attribute value starting with "en"
[attribute^=value] a[href^="https"] Selects every a element whose href attribute value begins with "https"
[attribute$=value] a[href$=".pdf"] Selects every a element whose href attribute value ends with ".pdf"
[attribute*=value] a[href*="w3schools"] Selects every a element whose href attribute value contains the substring "w3schools"
:active a:active Selects the active link
::after p::after Insert something after the content of each p element
::before p::before Insert something before?the content of each p element
:checked input:checked Selects every checked input element
:default input:default Selects the default input element
:disabled input:disabled Selects every disabled input element
:empty p:empty Selects every p element that has no children (including text nodes)
:enabled input:enabled Selects every enabled input element
:first-child p:first-child Selects every p element that is the first child of its parent
::first-letter p::first-letter Selects the first letter of every p element
::first-line p::first-line Selects the first line of every p element
:first-of-type p:first-of-type Selects every p element that is the first p element of its parent
:focus input:focus Selects the input element which has focus
:hover a:hover Selects links on mouse over
:in-range input:in-range Selects input elements with a value within a specified range
:indeterminate input:indeterminate Selects input elements that are in an indeterminate state
:invalid input:invalid Selects all input elements with an invalid value
:lang(language) p:lang(it) Selects every p element with a lang attribute equal to "it" (Italian)
:last-child p:last-child Selects every p element that is the last child of its parent
:last-of-type p:last-of-type Selects every p element that is the last p element of its parent
:link a:link Selects all unvisited links
:not(selector) :not(p) Selects every element that is not a p element
:nth-child(n) p:nth-child(2) Selects every p element that is the second child of its parent
:nth-last-child(n) p:nth-last-child(2) Selects every p element that is the second child of its parent, counting from the last child
:nth-last-of-type(n) p:nth-last-of-type(2) Selects every p element that is the second p element of its parent, counting from the last child
:nth-of-type(n) p:nth-of-type(2) Selects every p element that is the second p element of its parent
:only-of-type p:only-of-type Selects every p element that is the only p element of its parent
:only-child p:only-child Selects every p element that is the only child of its parent
:optional input:optional Selects input elements with no "required" attribute
:out-of-range input:out-of-range Selects input elements with a value outside a specified range
::placeholder input::placeholder Selects input elements with placeholder text
:read-only input:read-only Selects input elements with the "readonly" attribute specified
:read-write input:read-write Selects input elements with the "readonly" attribute NOT specified
:required input:required Selects input elements with the "required" attribute specified
:root :root Selects the document's root element
::selection ::selection Selects the portion of an element that is selected by a user
:target #news:target Selects the current active #news element (clicked on a URL containing that anchor name)
:valid input:valid Selects all input elements with a valid value
:visited a:visited Selects all visited links

CSS属性选择器语法
CSS [attribute*=value] Selector 示例 div[class*="test"]

CSS选择器返回对象属性值的语法（Html.Table第2参数）
{“imgurl”, “img.s-access-image.cfMarker”, each [Attributes][src]}

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