日期:2014-05-17 浏览次数:20706 次
<%@ page language="java" import="java.util.*, java.sql.*" pageEncoding="gbk"%> <% int pageSize = 3; String strPageNo = request.getParameter("pageNo"); int pageNo; if(strPageNo ==null || strPageNo.equals("")) { pageNo = 1; } else { try { pageNo = Integer.parseInt(strPageNo.trim()); } catch (NumberFormatException e) { pageNo = 1; } if(pageNo <= 0) { pageNo = 1; } } Class.forName("com.mysql.jdbc.Driver"); Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/bbsa", "root", "root"); Statement stmtCount = conn.createStatement(); ResultSet rsCount = stmtCount.executeQuery("select count(*) from article where pid = 0"); rsCount.next(); int totalRecords = rsCount.getInt(1); int totalPages = totalRecords % pageSize == 0 ? totalRecords / pageSize : totalRecords / pageSize + 1; if(pageNo > totalPages) { pageNo = totalPages; } int startPos = (pageNo - 1) * pageSize; Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("select * from article where pid = 0 order by pdate desc limit " + startPos + "," + pageSize); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>My JSP 'ShowArticleTree.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <link rel="stylesheet" type="text/css" href="main.css"> </head> <body> <a href="Post.jsp">发表新帖</a><br/> <table border="1"> <% while(rs.next()) { %> <tr> <td> <%=rs.getString("title") %> </td> </tr> <% } rs.close(); stmt.close(); conn.close(); %> </table> <br/>共<%=totalPages %>页 第<%=pageNo %>页 <a href="ShowArticleFlat.jsp?pageNo=<%=pageNo == 1 ? 1 : pageNo - 1 %>">上一页</a> <a href="ShowArticleFlat.jsp?pageNo=<%=1 %>">首页</a> <a href="ShowArticleFlat.jsp?pageNo=<%=pageNo - 5 > 0 ? pageNo - 5 : pageNo %>">前五页</a> <% int pageArticles = 5; int pageRows = totalPages % pageArticles == 0 ? totalPages / pageArticles : totalPages / pageArticles + 1; //System.out.println(pageRows); %> <% int k = pageNo % pageArticles == 0 ? (pageNo / pageArticles) * pageArticles - 4 : (pageNo / pageArticles) * pageArticles + 1; int m = totalPages - pageNo < 1 ? k + (totalPages - pageNo) : k + 4; for(int j = k; j <= m; j++) { %> <a href="?pageNo=<%=j %>" <%=(pageNo == j) ? "class='bgOn'" : ""