类 FormTag

字段详细资料

• DEFAULT_COMMAND_NAME

  public static final String DEFAULT_COMMAND_NAME

  The default attribute name: "command".

  另请参阅:

  常量字段值

• MODEL_ATTRIBUTE_VARIABLE_NAME

  public static final String MODEL_ATTRIBUTE_VARIABLE_NAME

  The name of the PageContext attribute under which the form object name is exposed.

构造器详细资料

• FormTag

  public FormTag()

方法详细资料

• setModelAttribute

  public void setModelAttribute​(String modelAttribute)

  Set the name of the form attribute in the model.

  May be a runtime expression.

• getModelAttribute

  protected String getModelAttribute()

  Get the name of the form attribute in the model.

• setName

  public void setName​(String name)

  Set the value of the 'name' attribute.

  May be a runtime expression.

  Name is not a valid attribute for form on XHTML 1.0. However, it is sometimes needed for backward compatibility.

• getName

  @Nullable
  protected String getName()
                    throws JspException

  Get the value of the 'name' attribute.

  覆盖:

  getName 在类中 AbstractDataBoundFormElementTag

  返回:

  the value for the HTML 'name' attribute

  抛出:

  JspException

• setAction

  public void setAction​(@Nullable
                        String action)

  Set the value of the 'action' attribute.

  May be a runtime expression.

• getAction

  @Nullable
  protected String getAction()

  Get the value of the 'action' attribute.

• setServletRelativeAction

  public void setServletRelativeAction​(@Nullable
                                       String servletRelativeAction)

  Set the value of the 'action' attribute through a value that is to be appended to the current servlet path.

  May be a runtime expression.

  从以下版本开始:

  3.2.3

• getServletRelativeAction

  @Nullable
  protected String getServletRelativeAction()

  Get the servlet-relative value of the 'action' attribute.

  从以下版本开始:

  3.2.3

• setMethod

  public void setMethod​(String method)

  Set the value of the 'method' attribute.

  May be a runtime expression.

• getMethod

  protected String getMethod()

  Get the value of the 'method' attribute.

• setTarget

  public void setTarget​(String target)

  Set the value of the 'target' attribute.

  May be a runtime expression.

• getTarget

  @Nullable
  public String getTarget()

  Get the value of the 'target' attribute.

• setEnctype

  public void setEnctype​(String enctype)

  Set the value of the 'enctype' attribute.

  May be a runtime expression.

• getEnctype

  @Nullable
  protected String getEnctype()

  Get the value of the 'enctype' attribute.

• setAcceptCharset

  public void setAcceptCharset​(String acceptCharset)

  Set the value of the 'acceptCharset' attribute.

  May be a runtime expression.

• getAcceptCharset

  @Nullable
  protected String getAcceptCharset()

  Get the value of the 'acceptCharset' attribute.

• setOnsubmit

  public void setOnsubmit​(String onsubmit)

  Set the value of the 'onsubmit' attribute.

  May be a runtime expression.

• getOnsubmit

  @Nullable
  protected String getOnsubmit()

  Get the value of the 'onsubmit' attribute.

• setOnreset

  public void setOnreset​(String onreset)

  Set the value of the 'onreset' attribute.

  May be a runtime expression.

• getOnreset

  @Nullable
  protected String getOnreset()

  Get the value of the 'onreset' attribute.

• setAutocomplete

  public void setAutocomplete​(String autocomplete)

  Set the value of the 'autocomplete' attribute. May be a runtime expression.

• getAutocomplete

  @Nullable
  protected String getAutocomplete()

  Get the value of the 'autocomplete' attribute.

• setMethodParam

  public void setMethodParam​(String methodParam)

  Set the name of the request param for non-browser supported HTTP methods.

• getMethodParam

  protected String getMethodParam()

  Get the name of the request param for non-browser supported HTTP methods.

  从以下版本开始:

  4.2.3

• isMethodBrowserSupported

  protected boolean isMethodBrowserSupported​(String method)

  Determine if the HTTP method is supported by browsers (i.e. GET or POST).

• writeTagContent

  protected int writeTagContent​(TagWriter tagWriter)
                         throws JspException

  Writes the opening part of the block 'form' tag and exposes the form object name in the PageContext.

  指定者:

  writeTagContent 在类中 AbstractFormTag

  参数:

  tagWriter - the TagWriter to which the form content is to be written

  返回:

  Tag.EVAL_BODY_INCLUDE

  抛出:

  JspException

• autogenerateId

  protected String autogenerateId()
                           throws JspException

  Autogenerated IDs correspond to the form object name.

  覆盖:

  autogenerateId 在类中 AbstractDataBoundFormElementTag

  抛出:

  JspException

• resolveModelAttribute

  protected String resolveModelAttribute()
                                  throws JspException

  Resolves and returns the name of the form object.

  抛出:

  IllegalArgumentException - if the form object resolves to null

  JspException

• resolveAction

  protected String resolveAction()
                          throws JspException

  Resolve the value of the 'action' attribute.

  If the user configured an 'action' value then the result of evaluating this value is used. If the user configured an 'servletRelativeAction' value then the value is prepended with the context and servlet paths, and the result is used. Otherwise, the originating URI is used.

  返回:

  the value that is to be used for the 'action' attribute

  抛出:

  JspException

• doEndTag

  public int doEndTag()
               throws JspException

  Closes the 'form' block tag and removes the form object name from the PageContext.

  指定者:

  doEndTag 在接口中 Tag

  覆盖:

  doEndTag 在类中 TagSupport

  抛出:

  JspException

• doFinally

  public void doFinally()

  Clears the stored TagWriter.

  指定者:

  doFinally 在接口中 TryCatchFinally

  覆盖:

  doFinally 在类中 AbstractDataBoundFormElementTag

• resolveCssClass

  protected String resolveCssClass()
                            throws JspException

  Override resolve CSS class since error class is not supported.

  覆盖:

  resolveCssClass 在类中 AbstractHtmlElementTag

  抛出:

  JspException

• setPath

  public void setPath​(String path)

  Unsupported for forms.

  覆盖:

  setPath 在类中 AbstractDataBoundFormElementTag

  抛出:

  UnsupportedOperationException - always

• setCssErrorClass

  public void setCssErrorClass​(String cssErrorClass)

  Unsupported for forms.

  覆盖:

  setCssErrorClass 在类中 AbstractHtmlElementTag

  抛出:

  UnsupportedOperationException - always