org.apache.struts2.components
类 OptGroup

java.lang.Object
  org.apache.struts2.components.Component
      org.apache.struts2.components.OptGroup

public class OptGroup
extends Component

Create a optgroup component which needs to resides within a select tag.

This component is to be used within a Select component.

 

 <s:select label="My Selection"
            name="mySelection"
            value="%{'POPEYE'}"
            list="%{#{'SUPERMAN':'Superman', 'SPIDERMAN':'spiderman'}}">
    <s:optgroup label="Adult"
                 list="%{#{'SOUTH_PARK':'South Park'}}" />
    <s:optgroup label="Japanese"
                 list="%{#{'POKEMON':'pokemon','DIGIMON':'digimon','SAILORMOON':'Sailormoon'}}" />
 </s:select>

 
 

字段摘要

static String

INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY

从类 org.apache.struts2.components.Component 继承的字段

COMPONENT_STACK

构造方法摘要

OptGroup(com.opensymphony.xwork2.util.ValueStack stack, javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)

方法摘要

boolean	end(Writer writer, String body) Callback for the end tag of this component.
void	setContainer(com.opensymphony.xwork2.inject.Container container)
void	setDisabled(String disabled)
void	setLabel(String label)
void	setList(String list)
void	setListKey(String listKey)
void	setListValue(String listValue)

从类 org.apache.struts2.components.Component 继承的方法

addAllParameters, addParameter, altSyntax, copyParams, getComponentStack, getParameters, getStack, setActionMapper, setThrowExceptionsOnELFailure, setUrlHelper, start, usesBody

从类 java.lang.Object 继承的方法

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

字段详细信息

INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY

public static final String INTERNAL_LIST_UI_BEAN_LIST_PARAMETER_KEY

另请参见：

常量字段值

构造方法详细信息

OptGroup

public OptGroup(com.opensymphony.xwork2.util.ValueStack stack,
                javax.servlet.http.HttpServletRequest req,
                javax.servlet.http.HttpServletResponse res)

方法详细信息

setContainer

public void setContainer(com.opensymphony.xwork2.inject.Container container)

end

public boolean end(Writer writer,
                   String body)

从类 Component 复制的描述

Callback for the end tag of this component. Should the body be evaluated again?

NOTE: will pop component stack.

覆盖：

类 Component 中的 end

参数：

writer - the output writer.

body - the rendered body.

返回：

true if the body should be evaluated again

setLabel

public void setLabel(String label)

setDisabled

public void setDisabled(String disabled)

setList

public void setList(String list)

setListKey

public void setListKey(String listKey)

setListValue

public void setListValue(String listValue)