问题描述
我正在尝试将数据从Weblow A发送到Webflow B 所以我有一个收集数据的功能:
public void affDeclaFromrowNum(String rowNum,RequestContext context){
Declaration decla = null;
Def def = null;
if (rowNum != null && StringUtil.isNumeric(rowNum))
{
Collection<Declaration> listDeclas = getDeclasListFromContext(context);
decla = RowModel.getIndexedRow(listDeclas,Integer.valueOf(rowNum));
}
if (decla != null && decla.getId() != null)
{
def = decla.getDef();
}
context.getFlowScope().put("def",def);
context.getFlowScope().put("defSelected",def);
context.getFlowScope().put("tabSelected","declaration");
}
(当我处于调试模式时,代码中的数据不为空)
<view-state id="declaration.list" view="declaration.list.depot" redirect="true">
<transition on="edit" to="viewDeclaration" bind="false" validate="false" >
<evaluate expression="declarationRechercheFormAction.affDeclaFromrowNum(requestParameters.rowNum,flowRequestContext)" />
</transition>
<transition on="retour" to="declarationSearchView" validate="false" bind="false" />
<transition on="retourSearch" to="declarationSearchView" validate="false" bind="false" />
</view-state>
<end-state id="viewDeclaration" view="externalRedirect:contextRelative:/def/flux.ex?_flowId=def-view-flow" >
<output type="commun.bean.hibernate.Def" name="defSelected" value="flowScope.defSelected" />
<output type="java.lang.String" name="tab" value="flowScope.tabSelected" />
</end-state>
还有一个流程(B)
<!-- Parametre d'entrée du flow -->
<input name="defSelected" required="true" />
<input name="tab" />
但是,当我执行代码时,总是会出现此错误: org.springframework.webflow.engine.FlowInputMappingException:“ def-view-flow”流启动时在输入映射期间发生错误;在org.springframework上,错误= [[requiredError @ 40e613fc映射= defSelected-> flowScope.defSelected,代码='必需',错误= true,errorCause = [null],originalValue = [null],mappedValue = [null]]]。 webflow.engine.Flow.start(Flow.java:523)
有人可以帮助我吗?
解决方法
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