Struts如何显示<html:option>
大家好，
假如
我有一个javabean类
User.java
public   class   User{
public   int   id;
public   String   username;
public   String   password;
....  
}
jsp页面
<%
Collection   col=new   ArrayList();
for(int   i=0;i <10;i++){
col.add(new   User());
}
request.setAttribute( "users ",col);
....

%>
<html:select     property= "??? ">
<logic:iterate   name= "users "   id= "user ">
<html:option   value= "用户的id "> 用户名 </html:option>
</logic:iterate>
</html:select>
....
----------------------------
要实现以上功能，请指点怎么用logic标签和html标签迭代出来这个集合
谢谢  


------解决方案--------------------
<html:select property= "id ">
<html:options collection= "users " property= "id " labelProperty= "username "/>
</html:select>
------解决方案--------------------
<html:select property= "id ">
<logic:iterate id= "user " name= "users ">
<bean:define id= "op " name= "user " property= "userId " />
<html:option value= " <%=(String)op%> "> <bean:write name= "user " property= "username "/> </html:option>
</logic:iterate>
</html>