struts 2 标签整理(struts 2 标签整理).docVIP

struts 2 标签整理(struts 2 标签整理).doc

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struts 2 标签整理(struts 2 标签整理)

struts 2 标签整理(struts 2 标签整理) A The a tag creates a HTML hyperlink that is equivalent to HTMLs a href= Demonstration code: s:a href=, login.action login /s:a More a information Action Using the action tag allows you to call Action directly in a JSP page. Examples are as follows: s: action name= tag2 executeResult= false / More action information Actionerror This tag is responsible for outputting error messages to the client. Demonstration code: The Action code is as follows: Public, String, execute () { AddActionError (the first error message! ); AddActionError (second error messages! ); Return SUCCESS; } JSP: s:actionerror/ More actionerror information Actionmessage This tag is responsible for outputting the hint information to the client, as follows: The Action code is as follows: Public, String, execute () { AddActionMessage (the first general message)! ); AddActionMessage (second general messages! ); Return SUCCESS; } JSP:s:actionmessage / More actionmessage information Append Used as a helper for iterator tags, combining content from different iterator into one iterator. Example: s:append id= myAppendIterator s:param value= %{myList1} / s:param value= %{myList2} / s:param value= %{myList3} / /s:append s:iterator value= %{#myAppendIterator} s:property / /s:iterator More append information Bean The bean tag is used to create an instance of JavaBean. Model sample: s:bean name=, lee.Person, id=, P - use the Param tag for lee. An instance of the Person class argument -- s:param name= name value= yeeku / s:param name= age value= 29 / /s:bean More bean information Checkbox The output of a HTML checkbox tag checkbox, equivalent to HTML Code: input type= checkbox / ... Demonstration code: s:checkbox label= name= user.sex gender value= true fieldValue= dddd / More checkbox information Checkboxlist The tag outputs a check box. Demonstration code: s:form s:checkboxlist name= interest list= {football, basketball, Volleyball, swimming} label= hobby / /s:form M

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