struts2+spring+ibatis+oracle带 分页显示（增删改查）

package com.yidu.ssi.util; import java.io.Serializable; public class PageUtil implements Serializable{ private Integer pageSize=2;//页面显示记录条数 private Integer rowCount;//总行数 private Integer pageCount;//总页数 private Integer nextPage;//下一页 private Integer prePage;//上一页 private Integer firstPage=1;//第一页 private Integer lastPage;//最后一页 private Integer currentPage;//当前页 private Integer start; private Integer end; public Integer getStart() { return start; } public void setStart(Integer start) { this.start = start; } public Integer getEnd() { return end; } public void setEnd(Integer end) { this.end = end; } public PageUtil(Integer rowCount,Integer current){ this.rowCount=rowCount; this.currentPage=current; //判断总行数是不是每页显示的倍数 if(rowCount%pageSize==0){ pageCount=rowCount/pageSize; }else{ //如果不是倍数 总页数加一页 pageCount=rowCount/pageSize+1; } //果当前页小于或等于零 将当前页赋值为1 if(currentPage<=0){ currentPage=1; //如果当关页大于总页数 将总页数赋值为总页数 }else if(currentPage>pageCount){ currentPage=pageCount; } //如果当前页大于1并且小于或等于总页数 则上一页可以减1 if(currentPage>1 && currentPage<=pageCount){ prePage=currentPage-1; //如果当前页刚好等于第一页数 则将上一页数赋值第一页 }else{ prePage=firstPage; } //赋值总页数 lastPage=pageCount; //如果当前页大于0并且小于总页数 则下一页可以加1 if(currentPage>0 && currentPage<pageCount){ nextPage=currentPage+1; //如果当前页刚好等于总页数 则将总页数赋于下一次 }else{ nextPage=pageCount; } start=(this.currentPage-1)*this.pageSize+1; end=this.currentPage*this.pageSize; } public Integer getPageSize() { return pageSize; } public void setPageSize(Integer pageSize) { this.pageSize = pageSize; } public Integer getRowCount() { return rowCount; } public void setRowCount(Integer rowCount) { this.rowCount = rowCount; } public Integer getPageCount() { return pageCount; } public void setPageCount(Integer pageCount) { this.pageCount = pageCount; } public Integer getNextPage() { return nextPage; } public void setNextPage(Integer nextPage) { this.nextPage = nextPage; } public Integer getPrePage() { return prePage; } public void setPrePage(Integer prePage) { this.prePage = prePage; } public Integer getFirstPage() { return firstPage; } public void setFirstPage(Integer firstPage) { this.firstPage = firstPage; } public Integer getLastPage() { return lastPage; } public void setLastPage(Integer lastPage) { this.lastPage = lastPage; } public Integer getCurrentPage() { return currentPage; } public void setCurrentPage(Integer currentPage) { this.currentPage = currentPage; } }