类 SelectTag
- java.lang.Object
- 所有已实现的接口:
Serializable
,DynamicAttributes
,IterationTag
,JspTag
,Tag
,TryCatchFinally
,EditorAwareTag
public class SelectTag extends AbstractHtmlInputElementTag
The<select>
tag renders an HTML 'select' element. Supports data binding to the selected option.Inner '
option
' tags can be rendered using one of the approaches supported by the OptionWriter class.Also supports the use of nested
OptionTags
or (typically one) nestedOptionsTag
.Attribute Summary Attribute Required? Runtime Expression? Description accesskey
false
true
HTML Standard Attribute
cssClass
false
true
HTML Optional Attribute
cssErrorClass
false
true
HTML Optional Attribute. Used when the bound field has errors.
cssStyle
false
true
HTML Optional Attribute
dir
false
true
HTML Standard Attribute
disabled
false
true
HTML Optional Attribute. Setting the value of this attribute to 'true' will disable the HTML element.
htmlEscape
false
true
Enable/disable HTML escaping of rendered values.
id
false
true
HTML Standard Attribute
itemLabel
false
true
Name of the property mapped to the inner text of the 'option' tag
items
false
true
The Collection, Map or array of objects used to generate the inner 'option' tags
itemValue
false
true
Name of the property mapped to 'value' attribute of the 'option' tag
lang
false
true
HTML Standard Attribute
multiple
false
true
HTML Optional Attribute
onblur
false
true
HTML Event Attribute
onchange
false
true
HTML Event Attribute
onclick
false
true
HTML Event Attribute
ondblclick
false
true
HTML Event Attribute
onfocus
false
true
HTML Event Attribute
onkeydown
false
true
HTML Event Attribute
onkeypress
false
true
HTML Event Attribute
onkeyup
false
true
HTML Event Attribute
onmousedown
false
true
HTML Event Attribute
onmousemove
false
true
HTML Event Attribute
onmouseout
false
true
HTML Event Attribute
onmouseover
false
true
HTML Event Attribute
onmouseup
false
true
HTML Event Attribute
path
true
true
Path to property for data binding
size
false
true
HTML Optional Attribute
tabindex
false
true
HTML Standard Attribute
title
false
true
HTML Standard Attribute
字段概要
字段 修饰符和类型 字段 说明 static String
LIST_VALUE_PAGE_ATTRIBUTE
ThePageContext
attribute under which the bound value is exposed to innerOptionTags
.从类继承的字段 org.springframework.web.servlet.tags.form.AbstractHtmlInputElementTag
ACCESSKEY_ATTRIBUTE, DISABLED_ATTRIBUTE, ONBLUR_ATTRIBUTE, ONCHANGE_ATTRIBUTE, ONFOCUS_ATTRIBUTE, READONLY_ATTRIBUTE
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 SelectTag()
方法概要
所有方法 实例方法 具体方法 修饰符和类型 方法 说明 int
doEndTag()
Closes any block tag that might have been opened when using nestedoptions
.void
doFinally()
protected String
getItemLabel()
Get the value of the 'itemLabel
' attribute.protected Object
getItems()
Get the value of the 'items
' attribute.protected String
getItemValue()
Get the value of the 'itemValue
' attribute.protected Object
getMultiple()
Get the value of the HTML 'multiple
' attribute rendered on the final 'select
' element.protected String
getSize()
Get the value of the 'size
' attribute.void
setItemLabel(String itemLabel)
Set the name of the property mapped to the label (inner text) of the 'option
' tag.void
setItems(Object items)
void
setItemValue(String itemValue)
Set the name of the property mapped to the 'value
' attribute of the 'option
' tag.void
setMultiple(Object multiple)
Set the value of the HTML 'multiple
' attribute rendered on the final 'select
' element.void
setSize(String size)
Set the value of the HTML 'size
' attribute rendered on the final 'select
' element.protected int
writeTagContent(TagWriter tagWriter)
Renders the HTML 'select
' tag to the suppliedTagWriter
.从类继承的方法 org.springframework.web.servlet.tags.form.AbstractHtmlInputElementTag
getAccesskey, getOnblur, getOnchange, getOnfocus, isDisabled, isReadonly, setAccesskey, setDisabled, setOnblur, setOnchange, setOnfocus, setReadonly, writeOptionalAttributes
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, resolveCssClass, setCssClass, setCssErrorClass, setCssStyle, setDir, setDynamicAttribute, setLang, setOnclick, setOndblclick, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setTabindex, setTitle, writeDefaultAttributes
从类继承的方法 org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag
autogenerateId, convertToDisplayString, getBindStatus, getBoundValue, getEditor, getId, getName, getNestedPath, getPath, getPropertyEditor, getPropertyPath, processFieldValue, resolveId, setId, setPath
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
字段详细资料
LIST_VALUE_PAGE_ATTRIBUTE
public static final String LIST_VALUE_PAGE_ATTRIBUTE
ThePageContext
attribute under which the bound value is exposed to innerOptionTags
.- 另请参阅:
- 常量字段值
构造器详细资料
SelectTag
public SelectTag()
方法详细资料
setItems
public void setItems(@Nullable Object items)
Set theCollection
,Map
or array of objects used to generate the inner 'option
' tags.Required when wishing to render '
option
' tags from an array,Collection
orMap
.Typically a runtime expression.
- 参数:
items
- the items that comprise the options of this selection
getItems
@Nullable protected Object getItems()
Get the value of the 'items
' attribute.May be a runtime expression.
setItemValue
public void setItemValue(String itemValue)
Set the name of the property mapped to the 'value
' attribute of the 'option
' tag.Required when wishing to render '
option
' tags from an array orCollection
.May be a runtime expression.
getItemValue
@Nullable protected String getItemValue()
Get the value of the 'itemValue
' attribute.May be a runtime expression.
setItemLabel
public void setItemLabel(String itemLabel)
Set the name of the property mapped to the label (inner text) of the 'option
' tag.May be a runtime expression.
getItemLabel
@Nullable protected String getItemLabel()
Get the value of the 'itemLabel
' attribute.May be a runtime expression.
setSize
public void setSize(String size)
Set the value of the HTML 'size
' attribute rendered on the final 'select
' element.
setMultiple
public void setMultiple(Object multiple)
Set the value of the HTML 'multiple
' attribute rendered on the final 'select
' element.
getMultiple
@Nullable protected Object getMultiple()
Get the value of the HTML 'multiple
' attribute rendered on the final 'select
' element.
writeTagContent
protected int writeTagContent(TagWriter tagWriter) throws JspException
Renders the HTML 'select
' tag to the suppliedTagWriter
.Renders nested '
option
' tags if theitems
property is set, otherwise exposes the bound value for the nestedOptionTags
.- 指定者:
writeTagContent
在类中AbstractFormTag
- 返回:
- valid tag render instruction as per
Tag.doStartTag()
. - 抛出:
JspException
doEndTag
public int doEndTag() throws JspException
Closes any block tag that might have been opened when using nestedoptions
.- 指定者:
doEndTag
在接口中Tag
- 覆盖:
doEndTag
在类中TagSupport
- 抛出:
JspException
doFinally
public void doFinally()
- 指定者:
doFinally
在接口中TryCatchFinally
- 覆盖:
doFinally
在类中AbstractDataBoundFormElementTag