JSP实例三、sql分页(1)
index.jsp
<%@ page language="java" import="java.sql.*" import="java.lang.*" import="java.util.*" pageEncoding="GB2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%!
int CountPage = 0;
int CurrPage = 1;
int PageSize = 5;
int CountRow = 0;
public Connection Con() {
try
{
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection Con = DriverManager.getConnection("jdbc:mysql://localhost:3306/userdb?user=root&password=zhz&useUnicode=true&characterEncoding=gb2312");
return Con;
}
catch(Exception e)
{
return null;
}
}
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>利用 SQL 语句实现分页</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"
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JSP页面跳转大全
JSP中的跳转:
(1). forward()方法
使用到javax.servlet.RequestDispatcher类
RequestDispatcher rd = getServletContext().getRequestDispatcher("url");
rd.forward(requestVar,requestVar); //传递servlet的入口参数
......
1.必须继承自HttpServlet
2.必须实现doGet()或者doPost()
3.必须在web.xml中配置Servlet
<servlet>
<servlet-name> </servlet-name>
<servlet-class> </servlet-class>
</servlet>
<servlet-mapping>
......