ModelDriven接口封装数据

public abstract class BaseAction<T> extends ActionSupport implements ModelDriven<T> {
    
    @Resource
    protected DepartmentService departmentService;
    
    @Resource
    protected UserService  userService;
    
    @Resource
    protected RoleService roleService;
    
    private Class<T> modelClass=null;
    
    
    protected T model=null;
    
    public BaseAction() {
        ParameterizedType pt = (ParameterizedType) this.getClass().getGenericSuperclass();
        modelClass = (Class<T>) pt.getActualTypeArguments()[0];
        try {
            model=modelClass.newInstance();
        } catch (Exception e) {
            throw new RuntimeException();
        }
        System.out.println("---> clazz = " + modelClass);
    }

    
    @Override
    public T getModel() {
        // TODO Auto-generated method stub
        return model;
    }