<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="java.sql.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
Insert title here
<%
//定义四个分页会用到的变量
int pageSize=3;
int pageNow=1;//默认显示第一页
int rowCount=0;//该值从数据库中查询
int pageCount=0;//该值是通过pageSize和rowCount
//接受用户希望显示的页数（pageNow）
String s_pageNow=request.getParameter("pageNow");
if(s_pageNow!=null){
//接收到了pageNow
pageNow=Integer.parseInt(s_pageNow);
}
//查询得到rowCount
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1522:shop","cityinfo","Hj63444379");
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery("select count(*) FROM STUDENT ");
if(rs.next()){
rowCount=rs.getInt(1);
}
//计算pageCount
if(rowCount%pageSize==0){
pageCount=rowCount/pageSize;
}else{
pageCount=rowCount/pageSize+1;
}
//查询出需要显示的记录
rs=stmt.executeQuery("SELECT * FROM (SELECT ID,NUM,NAME,ROWNUM rn FROM STUDENT WHERE ROWNUM<=? ORDER BY ID) temp WHERE temp.rn>?");
%>
<%
//while(rs.next()){
out.print("
%>
<%
//上一页
if(pageNow!=1){
out.println("上一页");
}
//显示超链接
for(int i=1;i<=pageCount;i++){
out.println("["+i+"]");
}
//下一页
if(pageNow!=pageCount){
out.println("下一页");
}
%>
rs=stmt.executeQuery("SELECT * FROM (SELECT ID,NUM,NAME,ROWNUM rn FROM STUDENT WHERE ROWNUM<=? ORDER BY ID) temp WHERE temp.rn>?");
主要是这句话！ 代码都打上去了 这sql是我网上找的稍微改成了自己的但是总觉得不对
我的表名叫STUDENT 主键是ID 然后还有 NUM ,NAME ,SEX ,STATE, STUDENT_ID ,CLASS,ID_CARD ,TEL, MAIL 字段 大神帮个忙被
