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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-1534) The value of checkbox getted in server-side is "false" when no any checkbox been selected.
Date Fri, 02 Jun 2017 06:36:05 GMT

    [ https://issues.apache.org/jira/browse/WW-1534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16034217#comment-16034217
] 

Lukasz Lenart commented on WW-1534:
-----------------------------------

[~mars_pb] the problem here is that the {{<s:checkbox/>}} doesn't know that it's inside
a {{<s:iterator/>}}'s loop and the list has only one element, so it should generate
an additional hidden input. We can introduce a hack to detect such corner case but I'm not
sure if this a valid solution.

> The value of checkbox getted in server-side is "false" when no any checkbox been selected.
> ------------------------------------------------------------------------------------------
>
>                 Key: WW-1534
>                 URL: https://issues.apache.org/jira/browse/WW-1534
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Value Stack
>    Affects Versions: 2.0.1
>         Environment: tomcat-5.5.20 / jdk1.5.0.08
>            Reporter: Ling Chang Ming
>            Assignee: Lukasz Lenart
>             Fix For: 2.5.next
>
>
> jsp section:
> {code:xml}
> <s:iterator value="%{#request.rolePs.items}" id="role" status="status">
>    <tr >
>                 <td height="25" width="5%">
>                     <s:checkbox name="roleId" fieldValue="%{id}" theme="simple"/>
>                 </td>
>    </tr>
> ........
> </s:iterator>
> {code}
> action section:
> {code:java}
> ....
>        private String[] roleId;
> 	public String[] getRoleId() {
> 		return roleId;
> 	}
> 	public void setRoleId(String[] roleId) {
> 		this.roleId = roleId;
> 	}
> .....
> {code}
> the retrieved value of  "roleId" is {{false}}  when user doesn't select any checkbox
elements.  In my opinion, this case should returns null directly.



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