页面 thanks!response.setHeader("Pragma","no-cache") ??? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 http://172.xx.x.xx"登录本机进行测试时,所有的页面均会执行两次.What are your meaning?paste your program or mail ot me[email protected] <%@ page language="java" import="java.sql.*" contentType="text/html;charset=gb2312"%> <% String name=request.getParameter("name"); String pwd=request.getParameter("passwd"); session.setAttribute("User",name); String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver"; String sConnStr = "jdbc:odbc:Web"; String sql="Select * from 用户信息 where 用户名='"+name+"'"; Connection conn = null; Statement stmt=null; ResultSet rs = null; System.out.println("aaaa"); //在后台打出aaaa,从而知道执行次数try { Class.forName(sDBDriver); conn = DriverManager.getConnection(sConnStr,"abc","abc"); stmt = conn.createStatement(); rs = stmt.executeQuery(sql); String strname=""; String strpwd=""; while (rs.next()){ strname=rs.getString("用户名").trim(); strpwd=rs.getString("密码").trim(); }//while rs.close(); stmt.close(); conn.close(); if ((name.equals(strname))&&(pwd.equals(strpwd))) { %> <jsp:forward page="Main.jsp"/> </jsp:forward> <% }//if }catch(SQLException ex) { System.err.println("LoginJsp: " + ex.getMessage()); } %> thanks a lot! Select * from 用户信息 where 用户名='"+name+"'"; how many records return? to gzwrj(redwing):对不起,刚刚看到数据库中的记录肯定是唯一的!谢谢! ssh这个框架中一个jsp页面么对应多个from jsp页面控件 同时读两个结果集 求一javabean/ servlet的翻页程序.之前一直用纯jsp的,感觉不咋地. 如何遍历Hashtable JSP连接数据库怎么连啊?在线等,谢谢 commons-fileupload-1.1.1能上传pdf文件吗 求 星座运势的api servlet, 问题不大 却是2天都没解决掉 烦请各位大神帮帮忙看一眼 开发web services项目的步骤。 窗口问题 救命!!!help!!!
paste your program or mail ot me
[email protected]
<%
String name=request.getParameter("name");
String pwd=request.getParameter("passwd");
session.setAttribute("User",name);
String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver";
String sConnStr = "jdbc:odbc:Web";
String sql="Select * from 用户信息 where 用户名='"+name+"'";
Connection conn = null;
Statement stmt=null;
ResultSet rs = null;
System.out.println("aaaa"); //在后台打出aaaa,从而知道执行次数
try {
Class.forName(sDBDriver);
conn = DriverManager.getConnection(sConnStr,"abc","abc");
stmt = conn.createStatement();
rs = stmt.executeQuery(sql);
String strname="";
String strpwd="";
while (rs.next()){
strname=rs.getString("用户名").trim();
strpwd=rs.getString("密码").trim();
}//while
rs.close();
stmt.close();
conn.close(); if ((name.equals(strname))&&(pwd.equals(strpwd)))
{
%>
<jsp:forward page="Main.jsp"/>
</jsp:forward>
<%
}//if
}catch(SQLException ex) {
System.err.println("LoginJsp: " + ex.getMessage());
}
%> thanks a lot!
对不起,刚刚看到
数据库中的记录肯定是唯一的!
谢谢!