HiddenInputTag (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

org.springframework.web.servlet.tags.form
Class HiddenInputTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      org.springframework.web.servlet.tags.RequestContextAwareTag
          org.springframework.web.servlet.tags.HtmlEscapingAwareTag
              org.springframework.web.servlet.tags.form.AbstractFormTag
                  org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag
                      org.springframework.web.servlet.tags.form.HiddenInputTag

All Implemented Interfaces:

Serializable, IterationTag, JspTag, Tag, TryCatchFinally

public class HiddenInputTag
extends AbstractDataBoundFormElementTag

Data-binding aware JSP tag for rendering a hidden HTML 'input' field containing the databound value.

Example (binding to 'name' property of form backing object):

Serialized Form









Field Summary


 


Fields inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag


COMMAND_NAME_ATTRIBUTE, COMMAND_NAME_VARIABLE_NAME, ID_ATTRIBUTE


 


Fields inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag


logger, REQUEST_CONTEXT_PAGE_ATTRIBUTE


 


Fields inherited from class javax.servlet.jsp.tagext.TagSupport


pageContext


 


Fields inherited from interface javax.servlet.jsp.tagext.IterationTag


EVAL_BODY_AGAIN


 


Fields inherited from interface javax.servlet.jsp.tagext.Tag


EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE


 






Constructor Summary


HiddenInputTag()



           


 






Method Summary



 String
getCssErrorClass()



          The CSS class to use when the field bound to a particular tag has errors.



 void
setCssErrorClass(String cssErrorClass)



          The CSS class to use when the field bound to a particular tag has errors.



protected  int
writeTagContent(TagWriter tagWriter)



          Writes the HTML 'input' tag to the supplied TagWriter including the
 databound value.


 


Methods inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag


autogenerateId, doFinally, getBindStatus, getBoundValue, getCompletePath, getId, getName, getNestedPath, getPath, getPropertyEditor, setId, setPath, writeDefaultAttributes


 


Methods inherited from class org.springframework.web.servlet.tags.form.AbstractFormTag


createTagWriter, doStartTagInternal, evaluate, getDisplayString, getDisplayString, writeOptionalAttribute


 


Methods inherited from class org.springframework.web.servlet.tags.HtmlEscapingAwareTag


isHtmlEscape, setHtmlEscape


 


Methods inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag


doCatch, doStartTag, getRequestContext


 


Methods inherited from class javax.servlet.jsp.tagext.TagSupport


doAfterBody, doEndTag, findAncestorWithClass, getParent, getValue, getValues, release, removeValue, setPageContext, setParent, setValue


 


Methods inherited from class java.lang.Object


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


 








Constructor Detail




HiddenInputTag
public HiddenInputTag()









Method Detail




writeTagContent
protected int writeTagContent(TagWriter tagWriter)
                       throws JspException

Writes the HTML 'input' tag to the supplied TagWriter including the
 databound value.


Specified by:
writeTagContent in class AbstractFormTag



Returns:
valid tag render instruction as per Tag.doStartTag().
Throws:
JspException
See Also:
AbstractDataBoundFormElementTag.writeDefaultAttributes(TagWriter), 
AbstractDataBoundFormElementTag.getBoundValue()





getCssErrorClass
public String getCssErrorClass()

The CSS class to use when the field bound to a particular tag has errors.
 May be a runtime expression.








setCssErrorClass
public void setCssErrorClass(String cssErrorClass)

The CSS class to use when the field bound to a particular tag has errors.
 May be a runtime expression.

















  

  
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