请教: jsp连接sql server 2000 出现的问题(先谢谢了)
checkuser(name)
{
String sql ="select * from loginpro where name=? ";
ResultSet rs;
PreparedStatement queryps = conn.prepareStatement(sql);
queryps.setString(1, name);
System.out.println("name is :"+name);
rs = queryps.executeQuery();
if (rs.next()) {
String nameData = rs.getString(2);
System.out.println("nameData is "+nameData);
System.out.println(name.compareTo(nameData));
}
}
表loginpro
Id name
1 yjh
2 dudu
3 rz
checkuser("yjh");
结果是
name is : yjh
nameData is :yjh
-7(这里不是 1 吗?)
不明白了,还请大家教教吧