匿名投稿
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bnoRepeat = true;
}
} catch (SQLException e) ...{
e.printStackTrace();
}
//用户名不重复,插入记录
if (bnoRepeat)...{
strSql = "Insert Into classuser values('" uname "','" psw "')";
insRes = db. executeUpdate(strSql);
}
if(!bnoRepeat)...{
out.println("<res>" "注册失败!用户名已存在，重新输入用户名" "</res>");
}else if(insRes>0)...{
out.println("<res>" "注册成功！" "</res>");
}else...{
out.println("<res>
