php 用户注册页面代码

$conn=mysql_connect('localhost','root','root')or die('数据库连接错误');
mysql_select_db('demo',$conn);
mysql_query("set names 'gbk'");
//检测会员名称是否存在

if($_post[username]){

  $sql="select * from users where username='$_post[username]'";

  $res=mysql_query($sql)or die("查询失败！");
  $us=$_get[name];
  echo $us."222222";
  $ps教程= md5($_post[password]);
  $sex=$_post['sex'];
  $age=$_post['age'];
  $qq=$_post['qq'];
  $phone=$_post['phone'];
  $email=$_post['email'];
  $address=$_post['address'];
  if(is_array(mysql_fetch_row($res))){
       echo "该会员名已经存在！";
  }else{
        $sql="insert into users (username,password,sex,age,qq,phone,email,address) values ('$us','$ps',$sex,$age,$qq,'$phone','$email','$address')";
        echo $sql;
       mysql_query($sql)or die("注册失败");
       echo "<script>alert('注册成功');location.href='login.php'</script>";
  }
}
?>
<script language="网页特效" type="text/javascript">
function docheck(){

var username = document.regform.username.value;
var pwd =document.regform.password.value;
var repwd=document.regform.repassword.value;

if(username==""){
  alert("请输入用户名！");
    return false;
}
if(pwd==""){
  alert("请输入密码！");
    return false;
}
if(repwd != pwd){
  alert("两次填写的密码不相同！");
  return false;
}
}
</script>
<script language="javascript">
function createxmlhttprequest(){
 var xmlhttp;
 if(window.activexobject){
  xmlhttp = new activexobject("microsoft.xmlhttp");
 }else{
  xmlhttp = new xmlhttprequest();
 }
 //return xmlhttp;
}
function checkname(){

 var name = document.getelementbyid('username'); //获取用户名文本框
 var span = document.getelementbyid('name_info'); //获取用于显示结果的span标记
 if(name.value.length <= 4){
  span.style.color = '#ff0000'; //设置span标记内的字体颜色为红色
  span.innerhtml = '用户名长度不能少于4个字符！'; //span标记内容
  return false;
 }
 var xmlhttp = createxmlhttprequest();//创建异步请求对象
 var time = new date().gettime();
 var url = 'regval.php?name=' + name.value + '&tmp=' + time;//构造出请求地址
 xmlhttp.open("get",url,true); //建立一个异步请求
 //这里我们使用get方式请求
 xmlhttp.onreadystatechange = function(){ //监视请求状态
  span.style.color = '#ff9900';
  span.innerhtml = '查询中，请稍候！';

  if(xmlhttp.readystate == 4 && xmlhttp.status == 200){
alert(xmlhttp.responsetext+"........");
   if(xmlhttp.responsetext.indexof('no') != -1){ //如果服务器返回的信息中有no

    span.style.color = '#cb2121'; //设置span标记颜色为红色
    span.innerhtml = '用户名[' + name.value + ']已经被别的用户使用！';
    //document.regform.username.value="";
   }else{//如果返回信息中没有no

    span.style.color = '#00a800';//设置颜色为绿色
    span.innerhtml = '恭喜您，该用户名未被注册!';
   }
   return true;
   delete xmlhttp; //删除请求对象
  }
 }

 xmlhttp.send(null); //发送请求
}
</script>
  <form action="regval.php" method="post" onsubmit="return docheck()" name="regform">
  会员名称：
  <input type="text" name="username" value="" id="username" onblur="checkname()"/>
<span id="name_info"></span>
  <br>
  密&nbsp;&nbsp;&nbsp;&nbsp;码：
  <input type="password" name="password" value=""/><br>
  确认密码：
  <input type="password" name="repassword" value=""/><br>

性别：
男：<input name="sex" type="radio" value="0" checked="checked"/>
女：<input name="sex" type="radio" value="1"/><br>
年龄：<input type="text" name="age" value=""/><br>
qq：<input type="text" name="qq" value=""/><br>
电话：<input type="text" name="phone" value=""/><br>
email：<input type="text" name="email" value=""/><br>
地址：<input type="text" name="address" value=""/><br>
  <input type="submit" name="sub" value="注册"/>
  <input type="reset" name="re" value="取消"/>
  </form>

mysql教程_connect('localhost','0731-cn','0731licheng1') or die('sever ');
 mysql_select_db('0731-cn') or die('database error');
 $sql = "select uid from member ";
 $query = mysql_query( $sql ) or die('ddd');
 while( $row = mysql_fetch_array( $query ) )
 {
  mysql_query("insert into uc_memberfields(uid,username,password,email,myid,myidkey,regip,regdate,lastloginip,lastlogintime  salt,secques) values('".$row['uid']."','".$row['uid']."')") or die('jjjjj'.mysql_error());

 }

$content = file_get_contents('test.txt');

$arr = explode(" ", $content);
echo "<table>";

foreach ($arr as $v) {
$tmp = explode("    ", $v);
echo "<tr>";
echo "<td>" . $tmp[0] . "</td>";
echo "<td>" . $tmp[1] . "</td>";
echo "<td>" . $tmp[2] . "</td>";
echo "<td>" . $tmp[3] . "</td>";
echo "</tr>";
unset($tmp);
}

echo "</table>";

 if($_post['sub']){
  $user  = $_post['username'];
  $pwd   = md5($_post['password1'].$user);
  $email = $_post['email'];
   $q = $mysql->query("insert into `hl`.`hl_member`(`id`,`username`,`password`,`email`)values (null,'$user','$pwd','$email');");
  if($q){
   setcookie('login',$user);
   $prompt_msg->p('恭喜您，亲爱的会员，您已经注册成功！','index.php','现在去首页。','http://www.111cn.net','先去论坛逛逛！');
  }else{
   $prompt_msg->p('非常抱歉，系统发生故障！');
  }
 }
?>