Struts2级联doubleselect

package action; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Vector; import vo.DeptInfo; import vo.UserInfo; import com.opensymphony.xwork2.ActionSupport; public class UIAction extends ActionSupport { private List<DeptInfo> vector; private Map map; public String execute() throws Exception { vector = new ArrayList<DeptInfo>(); DeptInfo d1 = new DeptInfo("11", "销售部"); DeptInfo d2 = new DeptInfo("22", "网络部"); DeptInfo d3 = new DeptInfo("33", "IT中心"); vector.add(d1); vector.add(d2); vector.add(d3); List<UserInfo> vector1 = new ArrayList<UserInfo>(); UserInfo u1 = new UserInfo("1", "张三"); UserInfo u2 = new UserInfo("2", "李四"); UserInfo u3 = new UserInfo("3", "王五"); vector1.add(u1); vector1.add(u2); vector1.add(u3); List<UserInfo> vector2 = new ArrayList<UserInfo>(); UserInfo u10 = new UserInfo("10", "小张"); UserInfo u20 = new UserInfo("20", "小李"); UserInfo u30 = new UserInfo("30", "小王"); vector2.add(u10); vector2.add(u20); vector2.add(u30); List<UserInfo> vector3 = new ArrayList<UserInfo>(); UserInfo u100 = new UserInfo("100", "张张"); UserInfo u200 = new UserInfo("200", "丽丽"); UserInfo u300 = new UserInfo("300", "旺旺"); vector3.add(u100); vector3.add(u200); vector3.add(u300); map = new HashMap(); map.put(d1.getDeptno(), vector1); map.put(d2.getDeptno(), vector2); map.put(d3.getDeptno(), vector3); return "success"; } public List<DeptInfo> getVector() { return vector; } public void setVector(List<DeptInfo> vector) { this.vector = vector; } public Map getMap() { return map; } public void setMap(Map map) { this.map = map; } }