首頁 > 其他

servlet實現分頁

來源：互聯網
上載者：User
創建阿里雲帳戶，並獲得超過 40 款產品的免費試用版；而企業帳戶則可以享有總值 $1200 的免費試用版。立即註冊！ 
import javax.servlet.http.*;import javax.servlet.*;import java.io.*;import java.sql.*;public class welcome extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response) {Connection conn = null;PreparedStatement ps = null;ResultSet rs = null;try {response.setCharacterEncoding("GBK");PrintWriter out = response.getWriter();String driver = "com.mysql.jdbc.Driver";String url = "jdbc:mysql://localhost/test";String user = "root";String passWord = "java";out.println("<html>");out.println("<body>");out.println("<h1>");out.println("<center>");out.println("Welcome to my Web!");out.println("</center>");out.println("</h1>");out.println("</body>");out.println("</html>");int pageSize = 3;int pageNow = 1;int rowCount = 0;int pageCount = 0;String sPageNow = request.getParameter("pageNowOk");if(sPageNow != null) {pageNow = Integer.parseInt(sPageNow);}Class.forName(driver);conn = DriverManager.getConnection(url, user, passWord);ps = conn.prepareStatement("select count(*) from user");rs = ps.executeQuery();if(rs.next()) {rowCount = rs.getInt(1);}if(rowCount % pageSize == 0) { pageCount = rowCount / pageSize;}else {pageCount = rowCount / pageSize + 1;}ps = conn.prepareStatement("select * from user limit " + pageSize * (pageNow - 1) + ", " + pageSize);rs = ps.executeQuery();out.println("<html>");out.println("<body>");out.println("<center>");out.println("<img src = imgs/1.jpg>");out.println("<table border = 1>");out.println("<tr><th>ID</th><th>NAME</th><th>PW</th><th>UNIT</th><th>ROLE</th></tr>");while(rs.next()) {out.println("<tr>");out.println("<td>" + rs.getInt(1) +"</td>");out.println("<td>" + rs.getString(2) +"</td>");out.println("<td>" + rs.getString(3) +"</td>");out.println("<td>" + rs.getInt(4) +"</td>");out.println("<td>" + rs.getString(5) +"</td>");out.println("<tr>");}out.println("</table>");if(pageNow != 1) {out.println("<a href=wel?pageNowOk=" + (pageNow - 1) + ">上一頁</a>");}for(int i = 1; i <= pageCount; i++) {if(pageNow != i) {out.println("<a href=wel?pageNowOk=" + i + ">" + i + "</a>");}else {out.println("<a>" + i + "</a>");}}if(pageNow != pageCount) {out.println("<a href=wel?pageNowOk=" + (pageNow + 1) + ">下一頁</a>");}out.println("</center>");out.println("</body>");out.println("<body background = imgs/2.jpg>");out.println("</html>");}catch(Exception ex) {ex.printStackTrace();}}public void doPost(HttpServletRequest request, HttpServletResponse response) {this.doGet(request, response);}}

本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

聯繫我們

該頁面正文內容均來源於網絡整理，並不代表阿里雲官方的觀點，該頁面所提到的產品和服務也與阿里云無關，如果該頁面內容對您造成了困擾，歡迎寫郵件給我們，收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容，歡迎發送郵件至： info-contact@alibabacloud.com 進行舉報並提供相關證據，工作人員會在 5 個工作天內聯絡您，一經查實，本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More