我的分页类

@Service("org.vraptor.spring.service.PaginationService")
public class PaginationService {
	public static final int THRESHOLDFORELLIPSIS = 5; // 分页链接a对象每组的显示个数

	public CssPageBar process(Page page) {
		int totalPage = page.getTotalPages();
		int currentPage = page.getPageNo();
		CssPageBar cssPageBar = new CssPageBar();
		cssPageBar.setLinkNums(this.linkNums(totalPage, currentPage));
		return cssPageBar;
	}

	private int[] linkNums(int totalPage, int currentPage) {
		int[] pre = new int[0]; // 当前页的前组,包含当前页
		int[] next = new int[0];// 当前页的后组,不包含当前页

		if (totalPage > 0) {
			// 处理前组
			if (currentPage <= THRESHOLDFORELLIPSIS) {
				pre = new int[currentPage];
				for (int i = 0; i < pre.length; i++) {
					pre[i] = i + 1;
				}
			} else if (currentPage == totalPage) {
				pre = new int[THRESHOLDFORELLIPSIS + 1];
				pre[0] = 1;
				pre[1] = 2;
				pre[2] = -1;
				pre[3] = currentPage - 2;
				pre[4] = currentPage - 1;
				pre[5] = currentPage;
			} else {
				pre = new int[THRESHOLDFORELLIPSIS];
				pre[0] = 1;
				pre[1] = 2;
				pre[2] = -1;
				pre[3] = currentPage - 1;
				pre[4] = currentPage;
			}
			// 处理后组
			if ((totalPage - currentPage) <= (THRESHOLDFORELLIPSIS - 1)) {
				next = new int[totalPage - currentPage];
				for (int i = 0; i < next.length; i++) {
					next[i] = currentPage + i + 1;
				}
			} else if (currentPage == 1) {
				next = new int[THRESHOLDFORELLIPSIS];
				next[0] = 2;
				next[1] = 3;
				next[2] = -1;
				next[3] = totalPage - 1;
				next[4] = totalPage;
			} else {
				next = new int[THRESHOLDFORELLIPSIS - 1];
				next[0] = currentPage + 1;
				next[1] = -1;
				next[2] = totalPage - 1;
				next[3] = totalPage;
			}
		}

		// 合并
		int[] linkNums = new int[pre.length + next.length];

		int index = 0;
		for (int num : pre) {
			linkNums[index++] = num;
		}
		for (int num : next) {
			linkNums[index++] = num;
		}

		return linkNums;
	}

}

public Page<T> findPageList(Page<T> page, Criterion... criterion) {
		Criteria c = createCriteria(criterion);		
		
		if (page.isOrderBySetted()) {
			if (page.isAsc()) {
				c.addOrder(Order.asc(page.getOrderBy()));
			} else {
				c.addOrder(Order.desc(page.getOrderBy()));
			}
		}		
		
		c.setFirstResult(page.getPageFirst());
		c.setMaxResults(page.getPageSize());
				
		page.setTotalCount(this.getTotalCount(criterion));
		page.setResult(c.list());
		
		return page;
	}
	
	public Page<T> findPageList(Page<T> page, Map criterionMap) {
		Criteria c = this.getSession().createCriteria(persistClass);
		
		if(criterionMap != null && !criterionMap.isEmpty()){
			Set<String> keys = criterionMap.keySet();
			for(String key : keys){
				if(!("".equals(criterionMap.get(key)))
						&& !(null == criterionMap.get(key)))
					c.add(Restrictions.like(key, (String)criterionMap.get(key),MatchMode.ANYWHERE));
				
			}
		}
		
		if (page.isOrderBySetted()) {
			if (page.isAsc()) {
				c.addOrder(Order.asc(page.getOrderBy()));
			} else {
				c.addOrder(Order.desc(page.getOrderBy()));
			}
		}		
		
		//获取根据条件分页查询的总行数
		int totalCount = (Integer)c.setProjection(Projections.rowCount()).uniqueResult();
		c.setProjection(null);
		
		c.setFirstResult(page.getPageFirst());
		c.setMaxResults(page.getPageSize());
				
		page.setTotalCount(totalCount);
		page.setResult(c.list());
		
		return page;
	}
	
	public Criteria createCriteria(Criterion... criterions) {
		Criteria criteria = getSession().createCriteria(persistClass);
		for (Criterion c : criterions) {
			criteria.add(c);
		}
		return criteria;
	}
	
	public int getTotalCount(Criterion... criterion){
		Criteria c = createCriteria(criterion);
		return (Integer)c.setProjection(Projections.rowCount()).uniqueResult();
	}

// 在此输入java代码
public class OrderListAction extends Action {

	public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) {

		OrderService orderService = (OrderService) getAppContext().getBean("orderService");

		//Collection orders = orderService.getOrders();
		Page page = new Page();
		page = orderService.getOrderPage(page);
		Collection orders = page.getResult();
		CssPageBar cssPageBar = new PaginationService().process(page);
		
		System.out.println(orders);
		CollectionForm collectionForm = (CollectionForm) actionForm;
		
		System.out.println(page.getTotalPages());
		collectionForm.setList(orders);
		return actionMapping.findForward("forward");
	}

	private WebApplicationContext getAppContext() {
		ServletContext servletContext = this.getServlet().getServletContext();
		return WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
	}

}