userAdd.jsp中---------
岗位add
<s:select name="roleIds" multiple="true" size="10" list="#roleList" listKey="id" listValue="name"></s:select> 按住Ctrl键可以多选或取消选择
部门add
<s:select name="departmentId" list="#departmentList" listKey="id" listValue="name" headerKey="" headerValue="请选择部门"></s:select>
userAction中---------
岗位add
private Long[] roleIds; //生成get、set方法，接受前台传来的数据
List<Role> roleList = roleService.getByIds(roleIds);
model.setRoles(new HashSet<Role>(roleList));
userService.save(model);
部门add
private Long departmentId; //生成get、set方法，接受前台传来的数据
Department department = departmentService.getById(departmentId);
model.setDepartment(department);
userService.save(model);
修改和添加页面save.jsp---------
<s:form action="userAction_%{id == null ? ‘add‘ : ‘edit‘}">
<s:hidden name="id"></s:hidden>
<s:radio name="gender" list="%{{‘男‘, ‘女‘}}"></s:radio>
IF判断------------
<s:if test="#parent != null">
<s:a action="departmentAction_list?parentId=%{#parent.parent.id}">返回上一级</s:a>
</s:if>
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ActionContext.getContext().put("key",value); //放到值栈map中
ActionContext.getContext().getValueStack().push(role); // 放到栈顶，先找栈再找map
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模板：
多对一：
<many-to-one name="" class="" column=""></many-to-one>
一对多：
<set name="">
<key column=""></key>
<one-to-many class=""/>
</set>
多对多：
<set name="" table="">
<key column=""></key>
<many-to-many class="" column=""></many-to-many>
</set>
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请求数 地址栏
转发 1 不变
重定向 2 变
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作用 方法名 返回值 页面
列表 list() list list.jsp
删除 delete() toList
添加页面 addUI() addUI addUI.jsp
添加 add() toList
修改页面 editUI() editUI editUI.jsp
修改 edit() toList
toList的结果配置：
<result name="toList" type="redirectAction">roleAction_list</result>