请ASP高手把判断用户名已经被注册的代码写出来,最好简单一点,谢谢!

来源：百度知道 编辑：UC知道 时间：2024/05/31 08:23:07
<%
username=Trim(Request.Form("username"))
pwd1=Trim(Request.Form("pwd1"))
pwd2=Trim(Request.Form("pwd2"))
qq=Trim(Request.Form("qq"))
address=Trim(Request.Form("address"))
if Trim(Request.Form("username"))<>"" and Trim(Request.Form("pwd1"))<>"" and Trim(Request.Form("pwd2"))<>"" and Trim(Request.Form("qq"))<>"" and Trim(Request.Form("address"))<>"" then
username="'" & username & "'"
pwd1="'" & pwd1 & "'"
pwd2="'" & pwd2 & "'"
qq="'" & qq & "'"
address="'" & address & "'"
sql="insert into user(username,pwd1,pwd2,qq,address) values(" & username & "," & pwd1 & "," & pwd2 & ",&

<%
username=Trim(Request.Form("username"))
pwd1=Trim(Request.Form("pwd1"))
pwd2=Trim(Request.Form("pwd2"))
qq=Trim(Request.Form("qq"))
address=Trim(Request.Form("address"))
if Trim(Request.Form("username"))<>"" or Trim(Request.Form("pwd1"))<>"" or Trim(Request.Form("pwd2"))<>"" or Trim(Request.Form("qq"))<>"" or Trim(Request.Form("address"))<>"" then
username="'" & username & "'"
pwd1="'" & pwd1 & "'"
pwd2="'" & pwd2 & "'"
qq="'" & qq & "'"
address="'" & address & "'"
set rs=server.createobject("ADODB.Recordset")
sql="select * from [user]"
rs.open sql,conn,3,3