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.AbstractHtmlElementTag
        org.springframework.web.servlet.tags.form.FormTag

所有已实现的接口:
Serializable, DynamicAttributes, IterationTag, JspTag, Tag, TryCatchFinally, EditorAwareTag
```
public class FormTag
extends AbstractHtmlElementTag
```
Databinding-aware JSP tag for rendering an HTML 'form' whose inner elements are bound to properties on a form object.
Users should place the form object into the ModelAndView when populating the data for their view. The name of this form object can be configured using the "modelAttribute" property.
从以下版本开始:
2.0
作者:
Rob Harrop, Juergen Hoeller, Scott Andrews, Rossen Stoyanchev
另请参阅:
序列化表格

字段概要

字段
修饰符和类型	字段	说明
`static String`	`DEFAULT_COMMAND_NAME`	The default attribute name: "command"
`static String`	`MODEL_ATTRIBUTE_VARIABLE_NAME`	The name of the `PageContext` attribute under which the form object name is exposed.

从类继承的字段 org.springframework.web.servlet.tags.form.AbstractHtmlElementTag
CLASS_ATTRIBUTE, DIR_ATTRIBUTE, LANG_ATTRIBUTE, ONCLICK_ATTRIBUTE, ONDBLCLICK_ATTRIBUTE, ONKEYDOWN_ATTRIBUTE, ONKEYPRESS_ATTRIBUTE, ONKEYUP_ATTRIBUTE, ONMOUSEDOWN_ATTRIBUTE, ONMOUSEMOVE_ATTRIBUTE, ONMOUSEOUT_ATTRIBUTE, ONMOUSEOVER_ATTRIBUTE, ONMOUSEUP_ATTRIBUTE, STYLE_ATTRIBUTE, TABINDEX_ATTRIBUTE, TITLE_ATTRIBUTE

从类继承的字段 org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag
NESTED_PATH_VARIABLE_NAME

从类继承的字段 org.springframework.web.servlet.tags.RequestContextAwareTag
logger, REQUEST_CONTEXT_PAGE_ATTRIBUTE

从类继承的字段 javax.servlet.jsp.tagext.TagSupport
pageContext

从接口继承的字段 javax.servlet.jsp.tagext.IterationTag
EVAL_BODY_AGAIN

从接口继承的字段 javax.servlet.jsp.tagext.Tag
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

构造器概要
构造器
构造器说明
FormTag()

方法概要

所有方法实例方法具体方法已过时的方法
修饰符和类型	方法	说明
`protected String`	`autogenerateId()`	Autogenerated IDs correspond to the form object name.
`int`	`doEndTag()`	Closes the '`form`' block tag and removes the form object name from the `PageContext`.
`void`	`doFinally()`	Clears the stored `TagWriter`.
`protected String`	`getAcceptCharset()`	Get the value of the '`acceptCharset`' attribute.
`protected String`	`getAction()`	Get the value of the '`action`' attribute.
`protected String`	`getAutocomplete()`	Get the value of the '`autocomplete`' attribute.
`protected String`	`getCommandName()`	已过时。 as of Spring 4.3, in favor of `getModelAttribute()`
`protected String`	`getEnctype()`	Get the value of the '`enctype`' attribute.
`protected String`	`getMethod()`	Get the value of the '`method`' attribute.
`protected String`	`getMethodParam()`	Get the name of the request param for non-browser supported HTTP methods.
`protected String`	`getMethodParameter()`	已过时。 as of 4.2.3, in favor of `getMethodParam()` which is a proper pairing for `setMethodParam(String)`
`protected String`	`getModelAttribute()`	Get the name of the form attribute in the model.
`protected String`	`getName()`	Get the value of the '`name`' attribute.
`protected String`	`getOnreset()`	Get the value of the '`onreset`' attribute.
`protected String`	`getOnsubmit()`	Get the value of the '`onsubmit`' attribute.
`protected String`	`getServletRelativeAction()`	Get the servlet-relative value of the '`action`' attribute.
`String`	`getTarget()`	Get the value of the '`target`' attribute.
`protected boolean`	`isMethodBrowserSupported(String method)`	Determine if the HTTP method is supported by browsers (i.e.
`protected String`	`resolveAction()`	Resolve the value of the '`action`' attribute.
`protected String`	`resolveCssClass()`	Override resolve CSS class since error class is not supported.
`protected String`	`resolveModelAttribute()`	`Resolves` and returns the name of the form object.
`void`	`setAcceptCharset(String acceptCharset)`	Set the value of the '`acceptCharset`' attribute.
`void`	`setAction(String action)`	Set the value of the '`action`' attribute.
`void`	`setAutocomplete(String autocomplete)`	Set the value of the '`autocomplete`' attribute.
`void`	`setCommandName(String commandName)`	已过时。 as of Spring 4.3, in favor of `setModelAttribute(java.lang.String)`
`void`	`setCssErrorClass(String cssErrorClass)`	Unsupported for forms.
`void`	`setEnctype(String enctype)`	Set the value of the '`enctype`' attribute.
`void`	`setMethod(String method)`	Set the value of the '`method`' attribute.
`void`	`setMethodParam(String methodParam)`	Set the name of the request param for non-browser supported HTTP methods.
`void`	`setModelAttribute(String modelAttribute)`	Set the name of the form attribute in the model.
`void`	`setName(String name)`	Set the value of the '`name`' attribute.
`void`	`setOnreset(String onreset)`	Set the value of the '`onreset`' attribute.
`void`	`setOnsubmit(String onsubmit)`	Set the value of the '`onsubmit`' attribute.
`void`	`setPath(String path)`	Unsupported for forms.
`void`	`setServletRelativeAction(String servletRelativeAction)`	Set the value of the '`action`' attribute through a value that is to be appended to the current servlet path.
`void`	`setTarget(String target)`	Set the value of the '`target`' attribute.
`protected int`	`writeTagContent(TagWriter tagWriter)`	Writes the opening part of the block '`form`' tag and exposes the form object name in the `PageContext`.

从类继承的方法 org.springframework.web.servlet.tags.form.AbstractHtmlElementTag
getCssClass, getCssErrorClass, getCssStyle, getDir, getDynamicAttributes, getLang, getOnclick, getOndblclick, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getTabindex, getTitle, isValidDynamicAttribute, setCssClass, setCssStyle, setDir, setDynamicAttribute, setLang, setOnclick, setOndblclick, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setTabindex, setTitle, writeDefaultAttributes, writeOptionalAttributes

从类继承的方法 org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag
convertToDisplayString, getBindStatus, getBoundValue, getEditor, getId, getNestedPath, getPath, getPropertyEditor, getPropertyPath, processFieldValue, resolveId, setId

从类继承的方法 org.springframework.web.servlet.tags.form.AbstractFormTag
createTagWriter, doStartTagInternal, evaluate, getDisplayString, getDisplayString, isDefaultHtmlEscape, writeOptionalAttribute

从类继承的方法 org.springframework.web.servlet.tags.HtmlEscapingAwareTag
htmlEscape, isHtmlEscape, isResponseEncodedHtmlEscape, setHtmlEscape

从类继承的方法 org.springframework.web.servlet.tags.RequestContextAwareTag
doCatch, doStartTag, getRequestContext

从类继承的方法 javax.servlet.jsp.tagext.TagSupport
doAfterBody, findAncestorWithClass, getParent, getValue, getValues, release, removeValue, setPageContext, setParent, setValue

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 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.
  - setCommandName
```
@Deprecated
public void setCommandName(String commandName)
```
    已过时。
    as of Spring 4.3, in favor of setModelAttribute(java.lang.String)
    Set the name of the form attribute in the model.
    May be a runtime expression.
    另请参阅:
    setModelAttribute(java.lang.String)
  - getCommandName
```
@Deprecated
protected String getCommandName()
```
    已过时。
    as of Spring 4.3, in favor of getModelAttribute()
    Get the name of the form attribute in the model.
    另请参阅:
    getModelAttribute()
  - 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
```
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(String action)
```
    Set the value of the 'action' attribute.
    May be a runtime expression.
  - getAction
```
protected String getAction()
```
    Get the value of the 'action' attribute.
  - setServletRelativeAction
```
public void setServletRelativeAction(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
```
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
```
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
```
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
```
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
```
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
```
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
```
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
  - getMethodParameter
```
@Deprecated
protected String getMethodParameter()
```
    已过时。
    as of 4.2.3, in favor of getMethodParam() which is a proper pairing for setMethodParam(String)
    Get the name of the request param for non-browser supported HTTP methods.
  - 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

类 FormTag

字段概要

从类继承的字段 org.springframework.web.servlet.tags.form.AbstractHtmlElementTag

从类继承的字段 org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag

从类继承的字段 org.springframework.web.servlet.tags.RequestContextAwareTag

从类继承的字段 javax.servlet.jsp.tagext.TagSupport

从接口继承的字段 javax.servlet.jsp.tagext.IterationTag

从接口继承的字段 javax.servlet.jsp.tagext.Tag

构造器概要

方法概要

从类继承的方法 org.springframework.web.servlet.tags.form.AbstractHtmlElementTag

从类继承的方法 org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag

从类继承的方法 org.springframework.web.servlet.tags.form.AbstractFormTag

从类继承的方法 org.springframework.web.servlet.tags.HtmlEscapingAwareTag

从类继承的方法 org.springframework.web.servlet.tags.RequestContextAwareTag

从类继承的方法 javax.servlet.jsp.tagext.TagSupport

从类继承的方法 java.lang.Object

字段详细资料

DEFAULT_COMMAND_NAME

MODEL_ATTRIBUTE_VARIABLE_NAME

构造器详细资料

FormTag

方法详细资料

setModelAttribute

getModelAttribute

setCommandName

getCommandName

setName

getName

setAction

getAction

setServletRelativeAction

getServletRelativeAction

setMethod

getMethod

setTarget

getTarget

setEnctype

getEnctype

setAcceptCharset

getAcceptCharset

setOnsubmit

getOnsubmit

setOnreset

getOnreset

setAutocomplete

getAutocomplete

setMethodParam

getMethodParam

getMethodParameter

isMethodBrowserSupported

writeTagContent

autogenerateId

resolveModelAttribute

resolveAction

doEndTag

doFinally

resolveCssClass

setPath

setCssErrorClass