分页类的实现；
参考http://hi.baidu.com/shirdrn/blog/item/03a7887ba4d29df00bd18776.html
相关http://www.cnoug.org/viewthread.php?tid=38
package com.victor.util; import java.util.List; /** * <br> * 功能描述: <br> * 版权所有: wrs <br> * 日期:2009 * * @author 王汝胜 * @version 1.0 */ public class Page { private int pageSize = 20; // 每页显示的记录数，默认20条 private int totalPage; // 页数 private int rowCount; // 总记录数 private int currentPage = 1; // 当前页，默认第一页 private int prePage; // 上一页 private int nextPage; // 下一页 private boolean hasNextPage; // 是否有下一页 private boolean hasPreviousPage; // 是否有前一页 private int startIndex;// 开始记录索引 private int endIndex;// 结束记录索引 private List list;// 可以存放分页数据 private String sql;//查询数据的sql public Page(int rowCount) { this.rowCount = rowCount; } public int getCurrentPage() { return currentPage; } public void setCurrentPage(int currentPage) { this.currentPage = currentPage; } public List getList() { return list; } public void setList(List list) { this.list = list; } public int getNextPage() { nextPage = currentPage + 1; return nextPage; } public void setNextPage(int nextPage) { this.nextPage = nextPage; } public int getPageSize() { return pageSize; } public void setPageSize(int pageSize) { this.pageSize = pageSize; } public int getPrePage() { prePage = currentPage - 1; return prePage; } public void setPrePage(int prePage) { this.prePage = prePage; } public int getRowCount() { return rowCount; } public void setRowCount(int rowCount) { this.rowCount = rowCount; } public int getTotalPage() { if (rowCount > pageSize) { if (rowCount % pageSize == 0) { totalPage = rowCount / pageSize; } else { totalPage = 1 + (rowCount / pageSize); } } else { totalPage = 1; } return totalPage; } public void setTotalPage(int totalPage) { } public boolean isHasNextPage() { boolean flag = true; if (currentPage >= totalPage) {// 如果当前页大于等于总页数则没有下一页,下一页链接失效 flag = false; } return flag; } public boolean isHasPreviousPage() { boolean flag = true; if (currentPage <= 1) {// 如果当前页小于等于1则没有上一页，上一页链接失效 flag = false; } return flag; } public int getStartIndex() { startIndex = (currentPage - 1) * pageSize; return startIndex; } public void setStartIndex(int startIndex) { this.startIndex = startIndex; } public int getEndIndex() { endIndex = currentPage * pageSize; return endIndex; } public void setEndIndex(int endIndex) { this.endIndex = endIndex; } public String getSql() { return sql; } public void setSql(String sql) { this.sql = sql; } }
相关资源：通用分页工具类PageInfo.java
