JSP 翻页代码

来源：互联网发布：java中类的加载顺序编辑：程序博客网时间：2024/05/18 04:00

<%
int intPageSize; //一页显示的记录数
int intRowCount; //记录总数
int intPageCount; //总页数
int intPage; //待显示页码
String strPage;

//设置一页显示的记录数
intPageSize = 25;

//取得待显示页码
strPage = request.getParameter("page");
if(strPage==null){//表明在QueryString中没有page这一个参数，此时显示第一页数据
intPage = 1;
}else{//将字符串转换成整型
intPage = java.lang.Integer.parseInt(strPage);
if(intPage< 1){
intPage = 1;
}
}
Rs=connJB.executeQuery(sql);
Rs.absolute(1);

//获取记录总数
Rs.last();
intRowCount = Rs.getRow();

//记算总页数
intPageCount = (intRowCount+intPageSize-1) / intPageSize;

//调整待显示的页码
if(intPage >intPageCount) intPage = intPageCount;
if(intPageCount >0){
//将记录指针定位到待显示页的第一条记录上
Rs.absolute((intPage-1) * intPageSize+1);
//显示数据
i = 0;
while(i< intPageSize && !Rs.isAfterLast()){
if(!className.equals("行业分类")){
//id=Rs.getInt("INFORMATION_ID");
strId=Rs.getString("INFORMATION_ID");
subjectName=Rs.getString("INFORMATION_NAME");
informationRank=Rs.getString("INFORMATION_RANK");

%>
<tr>
<td width="4%" height="25" valign="middle"><div align="center">◇</div></td>
<td width="96%"><a href="index2.jsp?INFORMATION_ID=<%=strId%>&INFORMATION_RANK=<%=informationRank%>" class="t8"><%=subjectName%></a></td>
</tr>
<% }else{
strId=Rs.getString("SUB_CLASS_VALUE");
subjectName=Rs.getString("SUB_CLASS_VALUE");
%>
<tr>
<td width="4%" height="25" valign="middle"><div align="center">◇</div></td>
<td width="96%"><a href="index_way.jsp?SMALL_CLASS=<%=strId%>" class="t8"><%=subjectName%></a></td>
</tr>
<%}%>

<%
Rs.next();
i++;

}Rs.close();
i=0;
%>
</table>
<table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#CCCCCC">
<tr>
<td valign="top" bgcolor="#F2F2F2">
<div align="left">

</div></td>
</tr>
</table>
<table width="100%" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#8C8C8C">
<tr>
<td height="22" align="center" bgcolor="#FFFFFF">第<%=intPage%>页共<%//=intRowCount%>条记录/共<%=intPageCount%>页
<%
if(intPage<2){
out.print("首页 | 上一页");
}else{%>
<a href="index.jsp?CLASS_NAME=<%=className%>&SUBJECT_NAME=<%=titleName%>">首页 </a> | <a href="index.jsp?page=<%=intPage-1%>&CLASS_NAME=<%=className%>&SUBJECT_NAME=<%=titleName%>">上一页</a>
<%}%>
|
<%
if((intPageCount-intPage)<1)
{
out.print("下一页 | 尾页");
}else{%>
<a href="index.jsp?page=<%=intPage+1%>&CLASS_NAME=<%=className%>&SUBJECT_NAME=<%=titleName%>">下一页</a> | <a href="index.jsp?page=<%=intPageCount%>&CLASS_NAME=<%=className%>&SUBJECT_NAME=<%=titleName%>">尾页</a>
<%}
}
else{
out.print("<center><table width=776 border=0 align=center cellpadding=0 cellspacing=1 bgcolor=#000000><tr><td bgcolor=#FFFFFF><center>目前还没有内容！</center></td></tr></table></centre>");
}%>

其中sql为具体的SQL语句,这个东东很简单!!!

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