PHP＋AJAX实现无刷新注册（带用户名实时检测）

来源：互联网发布：ip地址和mac地址绑定编辑：程序博客网时间：2024/05/22 15:33

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>

<body>
<script>
function validateform()
{
if (document.tx1.name.value=="")
{
  window.alert ("输入姓名")
   return false;
}

if (document.tx1.password.value=="")
{
  window.alert ("输入密码")
   return false;
}
if (document.tx1.repassword.value=="")
{
  window.alert ("再次输入密码")
   return false;
}

if (document.tx1.repassword.value!=document.tx1.password.value)
{
  window.alert ("2次输入密码不一样")
   return false;
}
}
</script>
<?php include "config.php" ?>
<?php include "include/header.htm" ?>
<?php
if($_POST[B2] == "")
{
echo "
<form enctype = 'multipart/form-data' method = 'POST' action = 'register.php' name = 'tx1'
onsubmit = 'return validateform(this.form)'>
<div class='old_test'>

<div class='new_test'>
用户名

  <input type='text' name='name' id='js_name' onBlur='CallServer_name()'>
   <div id='name_check'></div>
  </div>
  <br/>

    <div class='new_test'>
Email

<input type='text' name='email' id='js_email' onBlur='CallServer_email()'>
   <div id='email_check'></div>
  </div>
  <br/>

   <div class='new_test'>
密      码

    <input type='password' name='password' id='userpwd' onBlur='checkpass()'>
     <div id='password2'></div>
  </div>

    <br/>


   <div class='new_test'>
再次输入密码

     <input type='password' name='repassword' id='reuserpwd' onBlur='checkpass1()'>
      <div id='password3'></div>
    </div>

      <br/>

       <div class='new_test'>
        头像url
        <input type='text' name='photo' >
        </div>
        <div class='new_test'>
        上传头像
        <input type='file' name='userfile'>
         </div>

      <br/>

  <div class='message_left'>
<input type='submit' name='B2' value='注册' />
   </div>

</div>
</form>
";
}else
{

  if($_POST[name] != "")
{

if($_POST[photo] == "")
{
$uploadaction = 0;
$timelimit = 60;

$uploaddir = 'upload/';

$uploadfile = $uploaddir.$_FILES['userfile']['name'];
$tmpfile = $_FILES['userfile']['tmp_name'];
$file_size = $_FILES['userfile']['size'];
$error = $_FILES['userfile']['error'];

if(($tmpfile != "none") && ($tmpfile != ""))
{
$strfile = (string)$file_size."字节";
}

if ( !in_array( strtolower( $_FILES['userfile']['type'] ) , array( "image/jpg" , "image/gif" , "text/plain","application/octet-stream" ) ) )
{
echo "你发布的图片类型不正确或没有选择头像";
} else{

if(!file_exists($uploadfile))
{

if(move_uploaded_file($tmpfile,$uploadfile))
{
  echo "文件上传成功";
  $success=1;
  //echo $_FILES['userfile']['type'];
}else{
  echo "上传失败";
  echo "$error";
  print_r($_FILES);
  echo "<a href='add.php'>点击返回</a>";
}

}else{
echo "文件重名";
echo "<a href='add.php'>点击返回</a>";
}

}
set_time_limit(30);
}else{
$uploadfile = $_POST[photo];
}

$query = "select * from lw_users where username = '$_POST[name]'";//链接表
$result = mysql_db_query($lw_dbname,$query);//执行结果
$row = @mysql_num_rows($result);//行数
  }
  if($row == 0)
  {
   if($uploadfile == "")
   {
    $uploadfile = "upload/default.gif";
   }
  $day = date("H.m.d");
  $query = "INSERT INTO `lw_users` (`id`,`username`,`mail`,`password`,`groupid`,`picurl`,`date`) values(null,'$_POST[name]','$_POST[email]','$_POST[password]','3','$uploadfile','$day')";
   $result = mysql_query($query);

mysql_close($connect);
echo "<br/>";
echo "<div class='message_right'>";
echo "注册成功,正在跳转";
echo "</div>";
echo "<meta http-equiv='Refresh' content='3;URL=../index.php'>";
   }else{
    echo "用户名已存在";
    echo "<meta http-equiv='Refresh' content='1;URL=login.php'>";
   }
}
?>
<?php include "include/foot.htm" ?>
</body>
</html>

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