org.apache.struts2.components
类 Else

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

public class Else
extends Component

Perform basic condition flow. 'If' tag could be used by itself or with 'Else If' Tag and/or single/multiple 'Else' Tag.

no params

 
  <s:if test="%{false}">
      <div>Will Not Be Executed</div>
  </s:if>
  <s:elseif test="%{true}">
      <div>Will Be Executed</div>
  </s:elseif>
  <s:else>
      <div>Will Not Be Executed</div>
  </s:else>
 
 

字段摘要

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

COMPONENT_STACK

构造方法摘要

Else(com.opensymphony.xwork2.util.ValueStack stack)

方法摘要

boolean

start(Writer writer) Callback for the start tag of this component.

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

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

从类 java.lang.Object 继承的方法

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

构造方法详细信息

Else

public Else(com.opensymphony.xwork2.util.ValueStack stack)

方法详细信息

start

public boolean start(Writer writer)

从类 Component 复制的描述

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

覆盖：

类 Component 中的 start

参数：

writer - the output writer.

返回：

true if the body should be evaluated