<%@ page contentType="text/html;charset=utf-8" pageEncoding="utf-8"%> <%@ page language="java" import="java.sql.*"%> <script LANGUAGE="javascript"> <!-- 跳页函数 --> function test() { //这里还需要实现一些对于输入页码的安全性验证。比如不能为空，必须是数字这些。 var page = document.getElementById("goPage").value; window.location.href = "Tem2.jsp?page=" + page; } </script> <% //变量声明 java.sql.Connection sqlCon; //数据库连接对象 java.sql.Statement sqlStmt; //SQL语句对象 java.sql.ResultSet sqlRst; //结果集对象 java.lang.String strCon; //数据库连接字符串 java.lang.String strSQL; //SQL语句 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 java.lang.String strPage; int i; //设置一页显示的记录数 intPageSize = 2; //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; } //装载JDBC驱动程序 Class.forName("oracle.jdbc.driver.OracleDriver"); sqlCon = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORCL", "system", "lyjie5220"); //创建一个可以滚动的只读的SQL语句对象 sqlStmt = sqlCon.createStatement(java.sql.ResultSet.TYPE_SCROLL_INSENSITIVE, java.sql.ResultSet.CONCUR_READ_ONLY);//准备SQL语句 strSQL = "select * from USERCHART"; //执行SQL语句并获取结果集 sqlRst = sqlStmt.executeQuery(strSQL); //获取记录总数 sqlRst.last();//??光标在最后一行 intRowCount = sqlRst.getRow();//获得当前行号 //记算总页数 intPageCount = (intRowCount + intPageSize - 1) / intPageSize; //调整待显示的页码 if (intPage > intPageCount) intPage = intPageCount; %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>分頁</title> </head> <body> <table border="1" cellspacing="0" cellpadding="0"> <% if (intPageCount > 0) { //将记录指针定位到待显示页的第一条记录上 sqlRst.absolute((intPage - 1) * intPageSize + 1); //显示数据 i = 0; String user_id, user_name; while (i < intPageSize && !sqlRst.isAfterLast()) { user_id = sqlRst.getString(1); user_name = sqlRst.getString(2); %> <tr> <td><%=user_id%></td> <td><%=user_name%></td> </tr> <% sqlRst.next(); i++; } } %> </table> <form method="POST" action=""> 第<%=intPage%>页 共<%=intPageCount%>页 <% if (intPage < intPageCount) { %> <a href="Tem2.jsp?Page=1">首页</a> <a href="Tem2.jsp?page=<%=intPage + 1%>">下一页</a> <% } %> <% if (intPage > 1) { %> <a href="Tem2.jsp?page=<%=intPage - 1%>">上一页</a> <a href="Tem2.jsp?Page=<%=intPageCount%>">尾页</a> <% } %> 转到第:<input id="goPage" type="text" size="8"> 页 <a href="#" onClick="test()">跳转</a> </form> <% String cpage = request.getParameter("cpage"); out.append(cpage); //response.sendRedirect("Tem2.jsp?page=intPage + 1"); %> </body> </html> <% //关闭结果集 sqlRst.close(); //关闭SQL语句对象 sqlStmt.close(); //关闭数据库 sqlCon.close(); %>