0
我想在我的jsp頁面中使用bean,但運行時發生並且我無法解析。當我使用bean時jsp出錯,任何人都可以幫忙嗎?
Error:
An error occurred at line: 28 in the jsp file: /WEB-INF/AdminPages/AddUser.jsp
listOfGroupNo cannot be resolved
25: %>
26: <%! void addGroup(int no) {
27:
28: listOfGroupNo.getGroupList().add(no);
29: }
30:
31: %>
是指錯誤意味着對象沒有被定義? 這裏是我的JSP中的decleration和bean的初始化
<jsp:useBean id="listOfGroupNo" class="iug.edu.entities.GroupsNoList" scope="request">
<jsp:setProperty name="listOfGroupNo" property="groupList" />
</jsp:useBean>
,這裏是我的豆
public class GroupsNoList {
private List groupList= new ArrayList();
public List getGroupList() {
return groupList;
}
public void setGroupList(List groupList) {
this.groupList = groupList;
}
}
我想,以填補從表單數據的豆,然後將其發送到seervlet,我覺得這裏的範圍是不正確的,而且是正確的發送bean作爲aparameter這樣的: <%了request.setAttribute (「listOfGroupBean」,listOfGroupNo);%> – palAlaa 2010-10-06 23:37:42