教育网研究4 分页

 分页

String pages=request.getParameter("page");
   if(pages==null)pages="1";
       dbo.setLength(2);
    List sourcelist=(List)dbo.findSQLHibernate(hqlsource,Integer.parseInt(pages));
   
    String pagestr=dbo.getPagestr(Integer.parseInt(pages));

<div align="center"><%=pagestr%></div>   

<form name="form1" method="post" style="display:none">
<input type="hidden" name="page" value="<%=pages%>" >  //可以传是中文的值
</form>

<script language="javascript">
   function gotoPage(ipage){
      document.form1.page.value=ipage;
   document.form1.action="test.jsp?levelid=<%=levelid%>";   //当前页 传不是中文的值
   document.form1.submit();
}
</script>

 

DBOperator.java

public String getPagestr(int ipage) {
    String strPage = "";
    if (getLength() > 0) {
      strPage +="<div class='NewsListStatL'><font style='color: #000000;text-decoration: none;font-size: 12px;'>[第";
      strPage += String.valueOf(ipage);
      strPage += "页]&nbsp;每页" + getLength() + "条";
      strPage += "&nbsp;共";
      strPage += String.valueOf(pageCount);
      strPage += "页";
      strPage += String.valueOf(rowCount);
      strPage += "条  </div>";

      int istart, iend;
      istart = ipage - 5;
      if (istart < 0) {
        istart = 0;
      }
      iend = istart + 10;
      if (iend > pageCount) {
        iend = pageCount;
      }
      istart = iend - 10;
      if (istart < 0) {
        istart = 0;
      }
    }
    int shang = ipage - 1;
    if (shang <= 0) {
      shang = 1;
    }
    int end = ipage + 1;
    if (end >= pageCount) {
      end = pageCount;
    }
    String str = "<div class='NewsListStatR'>&nbsp;&nbsp;&nbsp;<a href='#' onClick='javascript:return gotoPage(1)'>首 页</a>";
    str += "&nbsp;&nbsp;<a href='#' onClick='javascript:return gotoPage("
        + shang + ")'>上一页</a> ";
    str += "&nbsp;<a href='#' onClick='javascript:return gotoPage("
        + end + ")'>下一页</a>";
    str += "&nbsp;&nbsp;<a href='#' onClick='javascript:return gotoPage("
        + pageCount + ")'>尾 页</a></div>";
    this.pagestr = strPage + str;
    return pagestr;
  }