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https://issues.apache.org/jira/browse/WW-3644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13448438#comment-13448438
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son nguyen commented on WW-3644:
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the problem still existed in placeholder attribute
if you input the value such as phone number with mathematical mark (+ - * /)
the value will be automatically calculated
for examplae <s:textfield placeHolder="021-3910555"/>
the value 021-3910555 will not be displayed properly
therefore, you need to put the single quote to enable the string format of ognl
<s:textfield placeHolder="'021-3910555'"/>
> placeHolder attribute for s:textfield/s:password being dynamic
> --------------------------------------------------------------
>
> Key: WW-3644
> URL: https://issues.apache.org/jira/browse/WW-3644
> Project: Struts 2
> Issue Type: New Feature
> Components: Expression Language
> Affects Versions: 2.2.3
> Environment: struts2
> Reporter: Stephen Ince
> Assignee: Lukasz Lenart
> Labels: features
> Fix For: 2.3.1
>
>
> The placeholder field fot s:textfield and s:password should evaluate ognl
> expressions. Namely resource key replacements.
> e.g
> <s:textfield theme="simple" placeholder="%{getText('placeHolder.Username')}"
> id="j_username" name="j_username" cssStyle="width:180px" />
> This is an issue for HTML5.
> I think Lukasz Lenart suggested making all attributes dynamic.
>
> AbstractUITag, line 294
> public void setDynamicAttribute(String uri, String localName,
> Object value) throws JspException {
> dynamicAttributes.put(localName, value);
> }
> and replace with
> public void setDynamicAttribute(String uri, String localName,
> Object value) throws JspException {
> dynamicAttributes.put(localName, findString(value));
> }
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