Struts2 s tag

A:
<S: a xhref = ""> </s: a> ----- hyperlink, similar to <a> </a> in html
<S: action name = ""> </s: action> ----- execute an action in a view.
<S: actionerror/> ----- if the errors of an action has a value, it is displayed.
<S: actionmessage/> ----- if the message of an action has a value, it is displayed.
<S: append> </s: append> ----- add a value to the list, similar to list. add ();
<S: autocompleter> </s: autocompleter> ----- automatically complete the content of the <s: combobox> tag. This Is ajax.

B:
<S: bean name = ""> </s: bean> ----- similar to the value of JavaBean in struts1.x

C:
<S: checkbox> </s: checkbox> ----- check box
<S: checkboxlist list = ""> </s: checkboxlist> ----- multiple selection boxes
<S: combobox list = ""> </s: combobox> ----- drop-down list
<S: component> </s: component> ----- image symbol

D:
<S: date/> ----- obtain the date Format
<S: datetimepicker> </s: datetimepicker> ----- Date input box
<S: debug> </s: debug> ----- displays the error message.
<S: div> </s: div> ----- represents a block, which is similar to <div> </div>
<S: doubleselect list = "" doubleName = "" doubleList = ""> </s: doubleselect> ----- double drop-down box

E:
<S: if test = ""> </s: if>
<S: elseif test = ""> </s: elseif>
<S: else> </s: else> ----- these three tags are used together to indicate condition determination.

F:
<S: fielderror> </s: fielderror> ----- displays the file error message.
<S: file> </s: file> ----- file Upload
<S: form action = ""> </s: form> ----- obtain the value of the corresponding form.

G:
<S: generator separator = "" val = ""> </s: generator> ---- used with the <s: iterator> label

H:
<S: head/> ----- used in <S: hidden> </s: hidden> ----- hide Value

I:
<S: i18n name = ""> </s: i18n> ----- load the resource package to the value stack.
<S: include value = ""> </s: include> ----- contains an output, servlet, or jsp page.
<S: inputtransferselect list = ""> </s: inputtransferselect> ----- obtain an input of form.
<S: iterator> </s: iterator> ----- used to traverse a set

L:
<S: label> </s: label> ----- read-only label

M:
<S: merge> </s: merge> ----- merge and traverse the values of the set.

O:
<S: optgroup> </s: optgroup> ----- obtain a tag group
<S: optiontransferselect doubleList = "" list = "" doubleName = ""> </s: optiontransferselect> ----- left and right selection boxes

P:
<S: param> </s: param> ----- provide parameters for other labels
<S: password> </s: password> ----- password input box
<S: property/> ----- get the attribute of 'value'
<S: push value = ""> </s: push> ----- the value of value is pushed to the stack, so that the property tag can obtain the attribute of value.

R:
<S: radio list = ""> </s: radio> ----- single-choice button
<S: reset> </s: reset> ----- reset button

S:
<S: select list = ""> </s: select> ----- single vertex
<S: set name = ""> </s: set> ----- assign the variable a value within a specific range.
<S: sort comparator = ""> </s: sort> ----- classify a list by attributes.
<S: submit> </s: submit> ----- submit button
<S: subset> </s: subset> ----- indicates the output subset of the traversal set.

T:
<S: tabbedPanel id = ""> </s: tabbedPanel> ----- table box
<S: table> </s: table> ----- table
<S: text name = ""> </s: text> ----- I18n text information
<S: textarea> </s: textarea> ----- text field input box
<S: textfield> </s: textfield> ----- text input box
<S: token> </s: token> ----- interceptor
<S: tree> </s: tree> ----- tree
<S: treenode label = ""> </s: treenode> ----- Tree Structure

U:
<S: updownselect list = ""> </s: updownselect> ----- multi-choice box
<S: url> </s: url> ----- create a url