
<%@ page contentType="text/html; charset=GBK" language="java"%>
<%@pagecontentType="text/html;charset=GBK"language="java"%><%@pageimport="java.sql.*"...
<%@ page contentType="text/html; charset=GBK" language="java"%>
<%@ page import="java.sql.*"%>
<jsp:useBean id="connection" scope="page" class="com.wy.JDBConnection"/>
<html>
<head>
<title>login_config</title>
</head>
<%
ResultSet rs=null;
request.setCharacterEncoding("gb2312");
String name=request.getParameter("name");
String password=request.getParameter("password");
if(name==""&&name==null&&password==""&&password==null)
{
%>
<jsp:forward page="index.jsp"/>
<%}
else{
try
{
String sql="select * from tb_Customer where Name='"+name+"' and Password='"+password+"'";
rs =Connection.executeQuery(sql);
if(rs.next())
{
String Name=rs.getString("Name");
session.setAttribute("name",Name);
session.setAttribute("login","success");
%>
<script language="javascript">
alert("登录成功!!!");
window.location.href="index.jsp";
</script>
<%
}
else
{
%>
<script language="javascript">
alert("登录失败!!!");
history.back();
</script>
<%
}
}catch(Exception e)
{
System.out.println("连接异常login_config");
}
}
%>
<body bgcolor="#ffffff">
</body>
</html>
代码哪 错了啊??? 展开
<%@ page import="java.sql.*"%>
<jsp:useBean id="connection" scope="page" class="com.wy.JDBConnection"/>
<html>
<head>
<title>login_config</title>
</head>
<%
ResultSet rs=null;
request.setCharacterEncoding("gb2312");
String name=request.getParameter("name");
String password=request.getParameter("password");
if(name==""&&name==null&&password==""&&password==null)
{
%>
<jsp:forward page="index.jsp"/>
<%}
else{
try
{
String sql="select * from tb_Customer where Name='"+name+"' and Password='"+password+"'";
rs =Connection.executeQuery(sql);
if(rs.next())
{
String Name=rs.getString("Name");
session.setAttribute("name",Name);
session.setAttribute("login","success");
%>
<script language="javascript">
alert("登录成功!!!");
window.location.href="index.jsp";
</script>
<%
}
else
{
%>
<script language="javascript">
alert("登录失败!!!");
history.back();
</script>
<%
}
}catch(Exception e)
{
System.out.println("连接异常login_config");
}
}
%>
<body bgcolor="#ffffff">
</body>
</html>
代码哪 错了啊??? 展开
1个回答
展开全部
rs =Connection.executeQuery(sql);
<jsp:useBean id="connection" scope="page" class="com.wy.JDBConnection"/>
Connection和connection不一样
<jsp:useBean id="connection" scope="page" class="com.wy.JDBConnection"/>
Connection和connection不一样
追问
我修改了,还是不对,为什么连一个页面都不出来呢?
追答
rs =Connection.executeQuery(sql);
我屏蔽里这里以下的所有java代码就没问题了,所以问题出在这里面
com.wy.JDBConnection这个类似你自己写么还是包里的,看看有没有错吧
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