package cn.edu.ldu.util;public class Page {  private int everyPage;     //每頁(yè)顯示的數(shù)量  private int totalPage;     //總頁(yè)數(shù)  private int totalCount;     //總數(shù)量  private int currentPage;    //當(dāng)前頁(yè)  private int beginIndex;     //起始頁(yè)  private boolean hasPrepage;   //是否有上一頁(yè)  private boolean hasNextPage;  //是否有下一頁(yè)  public Page() {  }  public Page(int everyPage, int totalPage, int totalCount, int currentPage,int beginIndex, boolean hasPrepage, boolean hasNextPage)  {    this.everyPage = everyPage;    this.totalPage = totalPage;    this.totalCount = totalCount;    this.currentPage = currentPage;    this.beginIndex = beginIndex;    this.hasPrepage = hasPrepage;    this.hasNextPage = hasNextPage;  }  public int getEveryPage() {    return everyPage;  }  public void setEveryPage(int everyPage) {    this.everyPage = everyPage;  }  public int getTotalPage() {    return totalPage;  }  public void setTotalPage(int totalPage) {    this.totalPage = totalPage;  }  public int getTotalCount() {    return totalCount;  }  public void setTotalCount(int totalCount) {    this.totalCount = totalCount;  }  public int getCurrentPage() {    return currentPage;  }  public void setCurrentPage(int currentPage) {    this.currentPage = currentPage;  }  public int getBeginIndex() {    return beginIndex;  }  public void setBeginIndex(int beginIndex) {    this.beginIndex = beginIndex;  }  public boolean isHasPrepage() {    return hasPrepage;  }  public void setHasPrepage(boolean hasPrepage) {    this.hasPrepage = hasPrepage;  }  public boolean isHasNextPage() {    return hasNextPage;  }  public void setHasNextPage(boolean hasNextPage) {    this.hasNextPage = hasNextPage;  }}

package cn.edu.ldu.util;public class PageUtil {  //創(chuàng)建分頁(yè)信息對(duì)象  public static Page createPage(int everyPage,int totalCount,int currentPage) {    everyPage = getEveryPage(everyPage);    currentPage = getCurrentPage(currentPage);    int totalPage = getTotalPage(everyPage, totalCount);    int beginIndex = getBeginIndex(everyPage, currentPage);    boolean hasPrePage = getHasPrePage(currentPage);    boolean hasNextPage = getHasNextPage(totalPage, currentPage);    return new Page(everyPage, totalPage,totalCount, currentPage,        beginIndex, hasPrePage, hasNextPage);  }  //獲得每頁(yè)顯示記錄數(shù)  public static int getEveryPage(int everyPage) {    return everyPage == 0 ? 10 : everyPage;  }  //獲得當(dāng)前頁(yè)  public static int getCurrentPage(int currentPage) {    return currentPage == 0 ? 10 : currentPage;  }  //獲得總頁(yè)數(shù)  public static int getTotalPage(int everyPage,int totalCount) {    int totalPage=0;    //要判斷每頁(yè)是否滿頁(yè)，否則頁(yè)數(shù)+1    if(totalCount!=0 && totalCount%everyPage==0) {      totalPage=totalCount/everyPage;    }    else {      totalPage=totalCount/everyPage+1;    }    return totalPage;  }  //獲得起始位置  public static int getBeginIndex(int everyPage,int currentPage) {    return everyPage*(currentPage-1);  }  //判斷是否有上一頁(yè)  public static boolean getHasPrePage(int currentPage) {    return currentPage== 1 ? false : true;  }  //判斷是否有下一頁(yè)  public static boolean getHasNextPage(int totalPage, int currentPage) {    return (currentPage == totalPage) || (totalPage == 0) ? false : true;  }}

//傳入每頁(yè)顯示的頁(yè)數(shù)，總記錄數(shù)，當(dāng)前頁(yè)P(yáng)age page=PageUtil.createPage(5, diaryDao.findAllCount(), currentPage);