4月12日笔记

<% int count=0; //总行数
        int page_count=1;  //开始条数
        int page_total=1;  //，总页码
        int page_current= 1;  //首页
        int page_size=20;//一页的行数

    String page_cu = request.getParameter("page_current");  
    if(page_cu==null){  
       page_cu="1";  
    }  
    page_current = Integer.parseInt(page_cu);
    if(page_current<0){
       page_current = 1;  
    } 
    page_count=page_count+ page_current*page_size;
    %> 

</c:forEach> 
                 <tr>
                   <td colspan="2" align="right"> 本页总共<%=count%>条   &nbsp; &nbsp; &nbsp; &nbsp; 总共<%=list.size()%>条</td>
                   <%  
                   page_total = ((list.size())%20==0)?((list.size())/20):((list.size())/20+1);  

                     %>
                    <td colspan="2" align="center">

                    <a href = "table.jsp?page_current=1" >首页</a>  
                    <a href = "table.jsp?page_current=<%=page_current-1%>" >上一页</a>  
                    <a href = "table.jsp?page_current=<%=page_current+1%>" >下一页</a>  
                    <a href = "table.jsp?page_current=<%=page_total%>" >尾页</a>  
                    第<%=page_current%> 页/共     <%=page_total%>页 
                    </td>
                 </tr>

在jsp文件中实现分页显示