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  • ibatis 分页(转)

    =======分页BEAN========

    import java.util.List;

    /**
     * ibatis分页Bean
     * @author Administrator
     *
     */
    public class PageUtil {

     private int curPage = 0; //当前页
     private int pageSize = 0; //每页多少行
     private int endSize ; //用于not in(select top endSize id)不在多少行内
     private int totalRow ; //共多少行
     private int totalPage ; //共多少页
     
     public int getCurPage() {
      return curPage;
     }
     public void setCurPage(int curPage) {
      
      int temp = pageSize * (curPage-1);
      this.setEndSize(temp);
      this.curPage = curPage;
     }
     public int getEndSize() {
      return endSize;
     }
     public void setEndSize(int endSize) {
      this.endSize = endSize;
     }
     public int getPageSize() {
      return pageSize;
     }
     public void setPageSize(int pageSize) {
      this.pageSize = pageSize;
     }
     public int getTotalRow() {
      return totalRow;
     }
     public void setTotalRow(int totalRow) {
      
      totalPage = totalRow/pageSize;
      if(totalRow%pageSize > 0)
       totalPage = totalPage + 1;
      
      this.totalRow = totalRow;
     }
     public int getTotalPage(){
      
      return this.totalPage;
     }
     public String getToolsMenu() {
            StringBuffer str = new StringBuffer("");
            int next, prev;
            prev = curPage - 1;
            next = curPage + 1;

            if (curPage > 1) {
                str.append(
                    "<a href=\"#\" onclick=\"document.forms(0).pages.value=1;document.forms(0).submit();\"& gt;首页</a>&nbsp;");
            } else {
                str.append("<a href=\"#\">首页</a>&nbsp;");
            }
            if (curPage > 1) {
                str.append(
                    "<a href=\"#\" onclick='document.forms(0).pages.value=" +prev + ";document.forms(0).submit();'>上页</a>&nbsp;");
            } else {
                str.append("<a href=\"#\">上页</a>&nbsp;");
            }
            if (curPage < totalPage) {
                str.append(
                    "<a href=\"#\" onclick='document.forms(0).pages.value=" +next + ";document.forms(0).submit();'>下页</a>&nbsp;");
            } else {
                str.append("<a href=\"#\" >下页</a>&nbsp;");
            }
            if (totalPage > 1 && curPage != totalPage) {
                str.append(
                    "<a href=\"#\"  onclick='document.forms(0).pages.value=" +totalPage + ";document.forms(0).submit();'>末页</a>&nbsp;&nbsp;");
            } else {
                str.append("<a href=\"#\" >末页</a>&nbsp;&nbsp;");
            }
            str.append(" 共" + totalRow + "条记录");
            str.append("  每页<SELECT size=1 name=pagesize onchange='this.form.pages.value=1;this.form.pageSize.value=this.value;this.form.submit();'>");

            if (pageSize == 3) {
                str.append("<OPTION value=3 selected>3</OPTION>");
            } else {
                str.append("<OPTION value=3>3</OPTION>");
            }

            if (pageSize == 10) {
                str.append("<OPTION value=10 selected>10</OPTION>");
            } else {
                str.append("<OPTION value=10>10</OPTION>");
            }
            if (pageSize == 20) {
                str.append("<OPTION value=20 selected>20</OPTION>");
            } else {
                str.append("<OPTION value=20>20</OPTION>");
            }
            if (pageSize == 50) {
                str.append("<OPTION value=50 selected>50</OPTION>");
            } else {
                str.append("<OPTION value=50>50</OPTION>");
            }
            if (pageSize == 100) {
                str.append("<OPTION value=100 selected>100</OPTION>");
            } else {
                str.append("<OPTION value=100>100</OPTION>");
            }
            str.append("</SELECT>");
            str.append("条 分" + pageSize + "页显示 转到");
            str.append("<SELECT size=1 name=Pagelist onchange='this.form.pages.value=this.value;this.form.submit();'>");
            for (int i = 1; i < totalPage + 1; i++) {
                if (i == curPage) {
                    str.append("<OPTION value=" + i + " selected>" + i +
                               "</OPTION>");
                } else {
                    str.append("<OPTION value=" + i + ">" + i + "</OPTION>");
                }
            }
            str.append("</SELECT>页");
            str.append("<INPUT type=hidden  value=" + curPage + " name=\"pages\" > ");
            str.append("<INPUT type=hidden  value=" + pageSize +
                       " name=\"pageSize\"> ");
            return str.toString();
        }

    }

    ========配置文件=======
    <typeAlias alias="leaveBill" type="com.luke.wz.kf.bean.LeaveBill"/>
     <typeAlias alias="page" type="com.luke.wz.kf.bean.PageUtil"/>
    <select id="getWaitingLeaveBillByPage" resultClass="leaveBill" parameterClass="page">
      select
      <dynamic prepend="">
       <isNotEqual compareValue="0" property="pageSize" prepend="">
        top $pageSize$
       </isNotEqual>
       * from leavebill
       <isNotEqual prepend="where" compareValue="0" property="pageSize">
        id not in (select top $endSize$ id from leavebill) and state != '已归档' and state != '已完成'
       </isNotEqual>
       <isEqual prepend="where" compareValue="0" property="pageSize">
        state != '已归档' and state != '已完成'
       </isEqual>
      </dynamic>
     </select>

    =======DAO method========

    public List getWaitingLeaveBill(PageUtil page){
      
      List list = null;
      try {
       
       list = sqlMapClientTemplate.queryForList("getWaitingLeaveBillByPage",page);
      } catch (Exception e) {

       logger.error(e.getMessage());
      }
      return list;
     }


    =========具体操作=======
    public ModelAndView toWaitingLeaveBillList(HttpServletRequest request, HttpServletResponse response){
      
      PageUtil page = new PageUtil();
      java.util.List list = leaveBillDao.getWaitingLeaveBill(page);
      int temp = list.size();
      if(null != request.getParameter("pageSize") && !"".equals(request.getParameter("pageSize"))){
       page.setPageSize(Integer.parseInt(request.getParameter("pageSize")));
      }else{
       
       page.setPageSize(3);
      }
      page.setTotalRow(temp); 
      if(null != request.getParameter("pages") && !"".equals(request.getParameter("pages"))){
       page.setCurPage(Integer.parseInt(request.getParameter("pages")));
      }else{
       page.setCurPage(1);
      }
      request.setAttribute("menu",page.getToolsMenu());
      request.setAttribute("waitinglist",leaveBillDao.getWaitingLeaveBill(page));
      return new ModelAndView(WAITINGLIST);
     }

    这是针对MS SQL的,针对MYSQL或其它数据库的情况,改动一下配置文件即可。
    来源:http://www.blogjava.net/wyz191/articles/156923.html
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  • 原文地址:https://www.cnblogs.com/yuanermen/p/1535056.html
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