在jsp页面上下拉内容为空是怎么回事啊
action 类public class ParameterAction extends ActionSupport{
private List<ChannelEntity> listce;
get
set public String execute()throws Exception{
ParameterDAO pd=new ParameterDAOImpl();
setListce(pd.getChannel());
}
} jsp页面<s:form action="parameter">
<table>
<tr>
<td>
<s:select name="channelname" label="频道" list="listce">
</s:select>
</td>
</tr>
</table>
</s:form>高手们帮忙看看是怎么回事啊
action 类public class ParameterAction extends ActionSupport{
private List<ChannelEntity> listce;
get
set public String execute()throws Exception{
ParameterDAO pd=new ParameterDAOImpl();
setListce(pd.getChannel());
}
} jsp页面<s:form action="parameter">
<table>
<tr>
<td>
<s:select name="channelname" label="频道" list="listce">
</s:select>
</td>
</tr>
</table>
</s:form>高手们帮忙看看是怎么回事啊
public String execute()throws Exception{
listce = new ArrayList<ChannelEntity>(); ParameterDAO pd=new ParameterDAOImpl();
setListce(pd.getChannel());
}2.Jsp:<s:select name="channelname" label="频道" list="listce" listKey="id" listValue="name">
</s:select>