us.codecraft.webmagic.selector

类 XpathSelector

java.lang.Object

us.codecraft.webmagic.selector.BaseElementSelector

us.codecraft.webmagic.selector.XpathSelector

所有已实现的接口:

ElementSelector, Selector

public class XpathSelector
extends BaseElementSelector

XPath selector based on Xsoup.

从以下版本开始:

0.3.0

作者:

code4crafter@gmail.com

构造器概要

构造器

构造器和说明
XpathSelector(String xpathStr)

方法概要

方法

限定符和类型	方法和说明
boolean	hasAttribute()
String	select(org.jsoup.nodes.Element element) Extract single result in text.
org.jsoup.nodes.Element	selectElement(org.jsoup.nodes.Element element)
List<org.jsoup.nodes.Element>	selectElements(org.jsoup.nodes.Element element)
List<String>	selectList(org.jsoup.nodes.Element element) Extract all results in text.

从类继承的方法 us.codecraft.webmagic.selector.BaseElementSelector

select, selectElement, selectElements, selectList

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

XpathSelector

public XpathSelector(String xpathStr)

方法详细资料

select

public String select(org.jsoup.nodes.Element element)

从接口复制的说明: ElementSelector

Extract single result in text.
If there are more than one result, only the first will be chosen.

返回:

result

selectList

public List<String> selectList(org.jsoup.nodes.Element element)

从接口复制的说明: ElementSelector

Extract all results in text.

返回:

results

selectElement

public org.jsoup.nodes.Element selectElement(org.jsoup.nodes.Element element)

指定者:

selectElement 在类中 BaseElementSelector

selectElements

public List<org.jsoup.nodes.Element> selectElements(org.jsoup.nodes.Element element)

指定者:

selectElements 在类中 BaseElementSelector

hasAttribute

public boolean hasAttribute()

指定者:

hasAttribute 在类中 BaseElementSelector