<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <script language="javascript" src="${pageContext.request.contextPath}/script/jquery.js"></script>
    <script language="javascript" src="${pageContext.request.contextPath}/script/pageCommon.js" charset="utf-8"></script>
    <script language="javascript" src="${pageContext.request.contextPath}/script/PageUtils.js" charset="utf-8"></script>
    <link type="text/css" rel="stylesheet" href="${pageContext.request.contextPath}/style/blue/pageCommon.css" />
    <script type="text/javascript">
    </script>

public abstract class BaseAction<T> extends ActionSupport implements ModelDriven<T> {
    // ==================ModelDriven的支持==========================
    protected T model;

    public BaseAction() {
        try {
            // 通过反射获取model的真实类型
            ParameterizedType pt = (ParameterizedType) this.getClass()
                    .getGenericSuperclass();
            Class<T> clazz = (Class<T>) pt.getActualTypeArguments()[0];// 第一个参数的真实类型
            // 通过反射创建Model的实例|
            model = clazz.newInstance();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    public T getModel() {

        return model;
    }

    // ==================Service实例的声明==========================
    // 有接口有实现类，想用它就创建，采用@Resource注入
    @Resource
    protected DepartmentService departmentService;

    // 在Action里面要用到Service,用注解@Resource，另外在RoleServiceImpl类上要添加注解@Service
    @Resource
    protected RoleService roleService;
}