datatable中的JSF命令按钮id
如何在datatable中添加commandbuttondatatable中的JSF命令按钮id,jsf,datatable,Jsf,Datatable,如何在datatable中添加commandbutton <hx:dataTableEx value="#{searchData.searchFriends}" var="s"> <hx:columnEx> <f:facet name="header"> <h:outputText value="First Name" /> </f:facet> <hx:requestLink action
<hx:dataTableEx value="#{searchData.searchFriends}" var="s">
<hx:columnEx>
<f:facet name="header">
<h:outputText value="First Name" />
</f:facet>
<hx:requestLink action="#{pc_Search.doAddFriendAction}">
<h:outputText value="Add as Friend" />
<f:param name="friendId" value="#{s.memberId}" />
</hx:requestLink>
</hx:columnEx>
</hx:dataTableEx>
但一旦我将requestlink更改为command按钮,friedId=null?知道如何使用命令按钮传递值吗?将数据表值包装在一个文件中。然后您可以通过获取所选行
公共类Bean{
私人名单朋友;
私有数据模型friendsModel;
公共豆(){
friends=getItSomehow();
friendsModel=新列表数据模型(friends);
}
public void addAsFriend(){
Friend selectedFriend=(Friend)friendsModel.getRowData();
// ...
}
}
与
应与IBM Faces客户端框架(那些hx:
组件)一起工作
String friendId = (String)getRequestParam().get("friendId");
public class Bean {
private List<Friend> friends;
private DataModel friendsModel;
public Bean () {
friends = getItSomehow();
friendsModel = new ListDataModel(friends);
}
public void addAsFriend() {
Friend selectedFriend = (Friend) friendsModel.getRowData();
// ...
}
}
<h:dataTable value="#{bean.friendsModel}" var="friend">
<h:column>
<h:commandButton value="Add as friend" action="#{bean.addAsFriend}" />
</h:column>
</h:dataTable>