us.codecraft.webmagic.selector

接口 Selectable

所有已知实现类:

AbstractSelectable, Html, HtmlNode, Json, PlainText

public interface Selectable

Selectable text.

从以下版本开始:

0.1.0

作者:

code4crafter@gmail.com

方法概要

方法

限定符和类型	方法和说明
Selectable	$(String selector) select list with css selector
Selectable	$(String selector, String attrName) select list with css selector
List<String>	all() multi string result
Selectable	css(String selector) select list with css selector
Selectable	css(String selector, String attrName) select list with css selector
String	get() single string result
Selectable	jsonPath(String jsonPath) extract by JSON Path expression
Selectable	links() select all links
boolean	match() if result exist for select
List<Selectable>	nodes() get all nodes
Selectable	regex(String regex) select list with regex, default group is group 1
Selectable	regex(String regex, int group) select list with regex
Selectable	replace(String regex, String replacement) replace with regex
Selectable	select(Selector selector) extract by custom selector
Selectable	selectList(Selector selector) extract by custom selector
Selectable	smartContent() select smart content with ReadAbility algorithm
String	toString() single string result
Selectable	xpath(String xpath) select list with xpath

方法详细资料

xpath

Selectable xpath(String xpath)

select list with xpath

参数:

xpath -

返回:

new Selectable after extract

$

Selectable $(String selector)

select list with css selector

参数:

selector - css selector expression

返回:

new Selectable after extract

$

Selectable $(String selector,
           String attrName)

select list with css selector

参数:

selector - css selector expression

attrName - attribute name of css selector

返回:

new Selectable after extract

css

Selectable css(String selector)

select list with css selector

参数:

selector - css selector expression

返回:

new Selectable after extract

css

Selectable css(String selector,
             String attrName)

select list with css selector

参数:

selector - css selector expression

attrName - attribute name of css selector

返回:

new Selectable after extract

smartContent

Selectable smartContent()

select smart content with ReadAbility algorithm

返回:

content

links

Selectable links()

select all links

返回:

all links

regex

Selectable regex(String regex)

select list with regex, default group is group 1

参数:

regex -

返回:

new Selectable after extract

regex

Selectable regex(String regex,
               int group)

select list with regex

参数:

regex -

group -

返回:

new Selectable after extract

replace

Selectable replace(String regex,
                 String replacement)

replace with regex

参数:

regex -

replacement -

返回:

new Selectable after extract

toString

String toString()

single string result

覆盖:

toString 在类中 Object

返回:

single string result

get

String get()

single string result

返回:

single string result

match

boolean match()

if result exist for select

返回:

true if result exist

all

List<String> all()

multi string result

返回:

multi string result

jsonPath

Selectable jsonPath(String jsonPath)

extract by JSON Path expression

参数:

jsonPath -

返回:

select

Selectable select(Selector selector)

extract by custom selector

参数:

selector -

返回:

selectList

Selectable selectList(Selector selector)

extract by custom selector

参数:

selector -

返回:

nodes

List<Selectable> nodes()

get all nodes

返回: