如何在jsp页面实现分页功能,而点击删除之后页码不会乱掉

Question

如何在jsp页面实现分页功能,而点击删除之后页码不会乱掉

Answer 1

<% 
   int number=accounts.size();//ｵﾃｵｽﾉﾌﾆｷﾊﾁｿ
pageCount=number%pageSize==0?number/pageSize:number/pageSize+1;//ｵﾃｵｽﾗﾜﾒｳﾊ｣ｬﾁ橫ｻﾖﾖﾋ羚ｨ(number+pageSize-1)/pageSize;
/*ｵﾃｵｽﾗﾜｽ睫・/
//ｵﾃｵｽURLｴｫﾀｴｵﾄｲﾎﾊ
if(request.getParameter("page")!=null) currentPage=Integer.parseInt(request.getParameter("page"));
currentPage=currentPage<1?1:currentPage;
currentPage=currentPage>pageCount?pageCount:currentPage;
      %>
     
      <%if(currentPage>1){ %>
   <a href="product.jsp?page=1&action=<%=action %>">ﾊﾗ&nbsp;ﾒｳ</a>
   <a href="product.jsp?page=<%=currentPage-1 %>&action=<%=action %>">ﾉﾏﾒｻﾒｳ</a>
   <%} %>
   <%if(currentPage<pageCount){ %>
   <a href="product.jsp?page=<%=currentPage+1 %>&action=<%=action %>">ﾏﾂﾒｻﾒｳ</a>
   <a href="product.jsp?page=<%=pageCount %>&action=<%=action %>">ﾄｩ&nbsp;ﾒｳ</a>
   <%} %>
   ｵﾚ<font color="red"><%=currentPage %></font>ﾒｳ/ｹｲ<font color="red"><%=pageCount %></font>ﾒｳ
     
     <table width="90%" border="1" class="datalist">
<tbody>
<tr>
<th scope="col">ｲ憘ｷid</th>
<th scope="col">ｲ憘ｷﾃ﨤ﾆ</th>
<th scope="col">ｲ憘ｷｼﾛｸ・/th>
<th scope="col">ｲ憘ｷﾃ靆・/th>
<th scope="col">ｲ憘ｷﾍｼﾏ・/th>
<th scope="col">ｲﾙﾗ・/th>
</tr>
             <%
             if(!it.hasNext()){
              out.print("ﾃｻﾓﾐﾕﾒｵｽﾄ昕・ｪｵﾄｲ憘ｷ");
             }
              else{
for(int i=0;i<pageSize*(currentPage-1);i++){
   it.next();
   }
   for(int i=0;i<pageSize&&it.hasNext();i++){
   Product p = it.next();
String buyActionStr = "<a href='servlet/ActionServlet?action=buy&productid="
+ p.getProduct_id() + "'>ｹｺﾂ・/a>";

out.print("<tr>");
out.print("<td>" + p.getProduct_id() + "</td>");
out.print("<td>" + p.getProduct_name() + "</td>");
out.print("<td>" + p.getProduct_price() + "</td>");
out.print("<td>" + p.getProduct_descr() + "</td>");
// out.print("<td>" + p.getProduct_cId() + "</td>");
out.print("<td width='100' height='75'> <image src='img/products/" + p.getProduct_image() + "' width='100' height='75'></td>");

out.print("<td>" + buyActionStr + "</td>");

out.print("</tr>");
}
}
%>
</tbody>
</table>

Answer 2

http://www.java3z.com/cwbwebhome/article/article1/img3/pagetest.gif这是效果