us.codecraft.webmagic.selector

类 CssSelector

java.lang.Object

us.codecraft.webmagic.selector.BaseElementSelector

us.codecraft.webmagic.selector.CssSelector

所有已实现的接口:

ElementSelector, Selector

public class CssSelector
extends BaseElementSelector

CSS selector. Based on Jsoup.

从以下版本开始:

0.1.0

作者:

code4crafter@gmail.com

构造器概要

构造器

构造器和说明
CssSelector(String selectorText)
CssSelector(String selectorText, String attrName)

方法概要

限定符和类型	方法和说明
protected String	getText(org.jsoup.nodes.Element element)
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 doc) 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

CssSelector

public CssSelector(String selectorText)

CssSelector

public CssSelector(String selectorText,
                   String attrName)

方法详细资料

getText

protected String getText(org.jsoup.nodes.Element element)

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.

参数:

element - element

返回:

result

selectList

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

从接口复制的说明: ElementSelector

Extract all results in text.

参数:

doc - element

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