Blog 分页

使用bootstrap分页代码

<nav>
  <ul class="pagination">
    <li class="disabled"><a href="#">&laquo;</a></li>
    <li class="active"><a href="#">1 <span class="sr-only">(current)</span></a></li>
    ...
  </ul>
</nav>

/**
 * 分页工具类
 * @author Administrator
 *
 */
public class PageUtil {

    /**
     * 生成分页代码
     * @param targetUrl 目标地址
     * @param totalNum 总记录数
     * @param currentPage 当前页
     * @param pageSize 每页大小
     * @return
     */
    public static String genPagination(String targetUrl,long totalNum,int currentPage,int pageSize,String param){
        long totalPage=totalNum%pageSize==0?totalNum/pageSize:totalNum/pageSize+1;
        if(totalPage==0){
            return "未查询到数据";
        }else{
            StringBuffer pageCode=new StringBuffer();
            pageCode.append("<li><a href='"+targetUrl+"?page=1&"+param+"'>首页</a></li>");
            if(currentPage>1){
                pageCode.append("<li><a href='"+targetUrl+"?page="+(currentPage-1)+"&"+param+"'>上一页</a></li>");            
            }else{
                pageCode.append("<li class='disabled'><a href='"+targetUrl+"?page="+(currentPage-1)+"&"+param+"'>上一页</a></li>");        
            }
            for(int i=currentPage-2;i<=currentPage+2;i++){
                if(i<1||i>totalPage){
                    continue;
                }
                if(i==currentPage){
                    pageCode.append("<li class='active'><a href='"+targetUrl+"?page="+i+"&"+param+"'>"+i+"</a></li>");    
                }else{
                    pageCode.append("<li><a href='"+targetUrl+"?page="+i+"&"+param+"'>"+i+"</a></li>");    
                }
            }
            if(currentPage<totalPage){
                pageCode.append("<li><a href='"+targetUrl+"?page="+(currentPage+1)+"&"+param+"'>下一页</a></li>");        
            }else{
                pageCode.append("<li class='disabled'><a href='"+targetUrl+"?page="+(currentPage+1)+"&"+param+"'>下一页</a></li>");    
            }
            pageCode.append("<li><a href='"+targetUrl+"?page="+totalPage+"&"+param+"'>尾页</a></li>");
            return pageCode.toString();
        }
    }
    

    
    
}

PageUtil.java

<nav>
      <ul class="pagination pagination-sm">
          ${pageCode }
      </ul>
    </nav>

 

/**
 * 分页Model类
 * @author 
 *
 */
public class PageBean {

    private int page; // 第几页
    private int pageSize; // 每页记录数
    private int start;  // 起始页
    
    
    public PageBean(int page, int pageSize) {
        super();
        this.page = page;
        this.pageSize = pageSize;
    }
    
    public int getPage() {
        return page;
    }
    public void setPage(int page) {
        this.page = page;
    }
    
    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getStart() {
        return (page-1)*pageSize;
    }
    
    
}