public class Page {private int pageSize = 10;            //每页显示的记录数private int currentPage = 1;     //当前页private int totalPage = 0;            //总页数private int totalRows = 0;            //总记录数private boolean hasBefore = false;   //是否有上一页private boolean hasNext = false ;  //是否有下一页private String linkHTML="";          //用于保存分页导航的HTML代码private String pageURL;                //具体的链接地址public int getPageSize() {return pageSize;}public void setPageSize(int pageSize) {this.pageSize = pageSize;}public int getCurrentPage() {return currentPage;}public void setCurrentPage(int currentPage) {this.currentPage = currentPage;}public int getTotalPage() {totalPage = ((totalRows + pageSize) - 1) / pageSize;//根据数据总数和每页显示的记录数算出总页数return totalPage;}public int getTotalRows() {return totalRows;}public void setTotalRows(int totalRows) {this.totalRows = totalRows;}public boolean isHasBefore() {return hasBefore;}public void setHasBefore(boolean hasBefore) {this.hasBefore = hasBefore;}public boolean isHasNext() {return hasNext;}public void setHasNext(boolean hasNext) {this.hasNext = hasNext;}public String getPageURL() {return pageURL;}public void setPageURL(String pageURL) {this.pageURL = pageURL;}//单击的是首页public void firstPage(){currentPage = 1;             //当前页的值为1this.setHasBefore(false);      //没有上一页this.refresh();                  //单击首页时应该设置是否有上一页和下一页}//单击的是上一页public void beforePage(){currentPage -- ;                //当前页的值减1this.refresh();                    //单击上一页时应该设置是否有上一页和下一页}//单击的是下一页public void nextPage(){if(currentPage < totalPage){currentPage ++ ;            // 当前页的值加1}this.refresh();                  //单击下一页时应该设置是否有上一页和下一页}//单击的是尾页public void lastPage(){currentPage = totalPage ;        //当前页的值等于总页数this.setHasNext(false);         //没有下一页this.refresh();                  //单击上一页时应该设置是否有上一页和下一页}//判断用户的操作，判断是否有上一页和下一页public void refresh(){if(totalPage<=1){             //总页数小于等于1的情况，没有上一页和下一页this.setHasBefore(false);this.setHasNext(false);}else if(currentPage==1){       //当前页为首页，没有上一页，有下一页this.setHasBefore(false);this.setHasNext(true);}else if(currentPage==totalPage){//当前页为尾页，没有下一页，有上一页this.setHasBefore(true);this.setHasNext(false);}else{//除了以上的所有条件，有上一页和下一页this.setHasBefore(true);this.setHasNext(true);}}//获得分页导航代码的方法，主要根据是否有上一页和下一页来判断public String getLinkHTML() {linkHTML += "共"+this.totalRows+"条记录 &nbsp;&nbsp;&nbsp;&nbsp;";if( this.hasBefore ){//如果有上一页，添加上一页的超链接代码       linkHTML += "<a href='"+this.pageURL+"?currPage=1'>首页</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";linkHTML += "<a href='"+this.pageURL+"?currPage="+this.currentPage+"&action=before'>上一页</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";} else{              //如果没有上一页linkHTML += "首页  &nbsp;&nbsp;&nbsp;&nbsp;上一页&nbsp;&nbsp;&nbsp;&nbsp;"; }if( this.hasNext ){    //如果有下一页，添加下一页的超链接代码linkHTML += "<a href='"+this.pageURL+"?currPage="+this.currentPage+"&action=next'>下一页</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";linkHTML += "<a href='"+this.pageURL+"?currPage="+this.totalPage+"'>尾页</a>";linkHTML += "&nbsp;&nbsp;&nbsp;&nbsp;";} else {           //没有下一页linkHTML += "下一页  &nbsp;&nbsp;&nbsp;&nbsp;尾页&nbsp;&nbsp;&nbsp;&nbsp;"; }linkHTML +="当前为"+this.currentPage+"/"+this.totalPage+"页";return linkHTML;}public void setLinkHTML(String linkHTML) {linkHTML = linkHTML;}
}

原码地址:

链接：http://pan.baidu.com/s/1kU54ZIn 密码：y1ci