从没遇到过的问题 高手进 在线等
登陆 运行后 出现错误[Microsoft][ODBC Microsoft Access Driver] 参数不足，期待是 1。
代码如下： <%@ page contentType= "text/html; charset=gb2312 " %>
<%@ page import= "java.sql.* " %>
<html>
<head>
<script language= "javascript " type= "text/javascript ">
<!--
function onClick()
{
this.location.replace( "register.jsp ");
}
-->
</script>
<title> 用户登录 </title>
<style type= "text/css ">
<!--
.STYLE2 {color: #000000}
.STYLE3 {font-size: x-large}
-->
</style>
</head>
<body>
<%
try
{
String strId= " ";
String strName= " ";
String strPassword= " ";
String strMsg= " ";session.setAttribute( "loginId ", " ");
strId=request.getParameter( "id ");
strPassword=request.getParameter( "password ");
if(strId!=null && strPassword!=null && !strId.equals( " ")&&!strPassword.equals( " "))
{
Class.forName( "sun.jdbc.odbc.JdbcOdbcDriver ");
Connection con=DriverManager.getConnection( "jdbc:odbc:yunshu ");
Statement statement=con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
ResultSet rs=null;
String String_SQL= "select id from gly where id= ' "+strId+ " ' and password= ' "+strPassword+ " ' ";
rs=statement.executeQuery(String_SQL);
if(!rs.next())
{
strMsg= "你输入的用户名或密码不正确，请重新输入！ ";
out.println( "123 "+strMsg);
%>
<script language= "javascript " type= "text/javascript ">
<!--
alert( "重新输入 ");
-->
</script>
<%
}
else
{
session.setAttribute( "loginId ",strId);
response.sendRedirect( "main.jsp ");
rs.close();
statement.close();
con.close();
}
}
}
catch(Exception e)
{
out.println( "错误 "+e.getMessage());
}
%>
<center>
<p> <br>
<span class= "STYLE2 "> <span class= "STYLE3 "> 运输管理系统 </span> </span> </p>
<form action= "login.jsp " method= "post ">
<table width= "258 " border= "1 ">
<tr>
<td width= "37 "> ID： </td>
<td width= "147 "> <input type= "text " name= "id "> </td>
</tr>
<tr>
<td> 密码： </td>
<td> <label>
<input type= "password " name= "password ">
</label> </td>
</tr>
</table>
<p>
<input type= "submit " value= "登陆 ">
<input type= "reset " value= "重填 ">
<input type= "button " onClick= "onClick() " value= "注册 ">
</p>
</form>
<p> </p>
<p> <span class= "STYLE2 "> <br>
</span> </p>
</center>
</body>
</html>
[解决办法]
这个一般是sql语句的问题
你最好打印你的语句出来，并且加上调试行，看到底那一步跳出了程序
