UC知道ASP中检查用户名是否重复代码如下 哪个帮我仔细分析一下啊 我是菜鸟
来源：百度知道 编辑：UC知道 时间：2024/05/16 07:50:34
<!--#include file="conn/conn.asp"-->
<script language="javascript">
function Mycheck(){
if(form1.username.value=="")
{alert("请输入正确的用户名！！");form1.username.focus();return;}
</script>
<%
username=request.form("username")
pass1=request.form("pass1")
pass2=request.form("pass2")
question=request.form("question")
answer=request.form("answer")
if username<>"" then
set rs=server.createobject("adodb.recordset")
rs1="select * from tb_register where username='"&username&"'"
rs.open rs1,conn,1,3
if rs.eof and rs.bof then %>
<%
session("username")=username
session("pass1")=pass1
session("question")=question
session("answer")=answer
session("checkout&q
<script language="javascript">
function Mycheck(){
if(form1.username.value=="")
{alert("请输入正确的用户名！！");form1.username.focus();return;}
</script>
<%
username=request.form("username")
pass1=request.form("pass1")
pass2=request.form("pass2")
question=request.form("question")
answer=request.form("answer")
if username<>"" then
set rs=server.createobject("adodb.recordset")
rs1="select * from tb_register where username='"&username&"'"
rs.open rs1,conn,1,3
if rs.eof and rs.bof then %>
<%
session("username")=username
session("pass1")=pass1
session("question")=question
session("answer")=answer
session("checkout&q
<!--#include file="conn/conn.asp"--> '包含外部文件（一般是数据库连接字串）
<script language="javascript">’前台严重用户名不能为空
function Mycheck(){
if(form1.username.value=="")
{alert("请输入正确的用户名！！");form1.username.focus();return;}
</script>
<%
username=request.form("username") ‘获取username表单
pass1=request.form("pass1") ‘获取pass1表单
pass2=request.form("pass2")
question=request.form("question")
answer=request.form("answer")
if username<>"" then '判断 如果username不为空
set rs=server.createobject("adodb.recordset") ‘创建数据集
rs1="select * from tb_register where username='"&username&"'"
rs.open rs1,conn,1,3 ’打开数据库查询username
if rs.eof and rs.bof then %> '如果数据集不为空
<%
session("username")=username ‘把username的内容写入session
session("pas