我正在创建一个页面，用户可以在其中编辑他们的帐户并使用 php 和 mysql 添加一些文本。首先我能够进行插入和更新，但现在它显示错误消息重复输入关键电子邮件地址我该如何解决这个问题这是帐户设置的代码，但它不包含任何电子邮件地址字段，所以我将显示所有因为我不知道要显示的代码在哪里
我编辑代码也许这个正在产生错误？
注册.php
<?php require_once('for members/scripts/connect.php'); ?>
<?php
ob_start();
function countryQuery(){
$countryData = mysql_query("SELECT * FROM country") or die("could select database");
while($record = mysql_fetch_array($countryData)){
echo'<option value="' . $record['country_name'] . '">' . $record['country_name'] . '</option>';
}
}
function specializationQuery(){
$specData = mysql_query("SELECT * FROM specialization");
while($recordJob = mysql_fetch_array($specData)){
echo'<option value="' . $recordJob['specialization_name'] . '">' . $recordJob['specialization_name'] . '</option>';
}
}
function districtQuery(){
$distData = mysql_query("SELECT * FROM districts");
while($recorddist = mysql_fetch_array($distData)){
echo'<option value="' . $recorddist['district_name'] . '">' . $recorddist['district_name'] . '</option>';
}
}
function villageQuery(){
$villageData = mysql_query("SELECT * FROM village");
while($recordvillage = mysql_fetch_array($villageData)){
echo'<option value="' . $recordvillage['village_name'] . '">' . $recordvillage['village_name'] . '</option>';
}
}
//default value
$message = "Fields Marcked with an [*] are Required";
$username = "";
$fname = "";
$lname = "";
$specialization = "";
$email = "";
$pass1 = "";
$pass2 = "";
$district = "";
$village = "";
if(isset($_POST['username'])){
$username = $_POST['username'];
$fname = $_POST['fname'];
$lname = $_POST['lname'];
$email = $_POST['email'];
$pass1 = $_POST['pass1'];
$pass2 = $_POST['pass2'];
$bdate = $_POST['birthdate'];
$phone = $_POST['phonenumber'];
$country = $_POST['country'];
//$local_adress = $_POST['adress'];
$specialization = $_POST['specialization'];
$district = $_POST['district'];
$village = $_POST['village'];
//error handeling
if((!$username)||(!$fname)||(!$lname)||(!$email)||(!$pass1)||(!$pass2)||(!$specialization)||(!$district)||(!$village)){
$message = "**** Please insert the Required Fields below ****<br />";
if($fname == "")
{
$message = $message . "Enter First name<br/>";
}
if($lname == "")
{
$message = $message . "Enter Last name<br/>";
}
if($specialization == 0)
{
$message = $message . "Select Your Job<br />";
}
if($district == 0)
{
$message = $message . "Select Your District<br />";
}
if($village == 0)
{
$message = $message . "Select Your Village<br />";
}
if($email == "")
{
$message = $message . "Enter Email Adress<br/>";
}
if ($username == "") {
$message = $message . "Enter User Name<br/>";
}
if($pass1 == "")
{
$message = $message . "Enter password<br/>";
}
if($pass2 == "")
{
$message = $message . "rechek the password <br/>";
}
}
else if($pass1!=$pass2){
$message = "your password do not match!";
}else{
//securing the data
$username = preg_replace("#[^0-9a-z]#i","",$username);
$fname = preg_replace("#[^0-9a-z]#i","",$fname);
$lname = preg_replace("#[^0-9a-z]#i","",$lname);
//$pass1 = sha1($pass1);
$email = mysql_real_escape_string($email);
// checking for duplicate
$user_query = mysql_query("SELECT user_name FROM user WHERE user_name = '$username'LIMIT 1") or die("could not check the username");
$count_username = mysql_num_rows($user_query);
$email_query = mysql_query("SELECT email_address FROM user WHERE email_address = '$email'LIMIT 1") or die("could not check the email");
$count_email = mysql_num_rows($email_query);
if($count_username > 0){
$message = " your username is alredy in use";
}elseif($count_email > 0){
$message = "your email is alredy in use";
}else{
$query = mysql_query("INSERT INTO user(user_name, first_name, last_name, address, district_name, village_name, birth_date, email_address, specialization_name, password, registered_date)VALUES('$username', '$fname', '$lname', '$country', '$district', '$village', '$bdate', '$email', '$specialization', '$pass1', now())")or die("could not insert data");
$message = "you have now been registered";
//from the social website
$getid = mysql_fetch_array($query);
$_SESSION['user_id'] = $getid['user_rid'];
$_SESSION['login'] = 'true';
$_SESSION['login_user'] = $getid['username'];
header("Location: home.php");
}
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Register Page</title>
<link href="style/stylesheet.css" rel="stylesheet" type="text/css" />
</head>
<body>
<table width="200" border="0" align="center">
<tr>
<tr>
<td>
<div id="visitorHeader"></div>
<img src="web_header copy.jpg" alt="visitor header" /></td>
</tr>
<tr>
<td>
<h2 class="registerTitle">Registration Fields</h2>
<h4 class="registerTitle">Sign Up Today....</h4>
<!-- <div class="container center"> -->
<p style="color:#FF0000" align="center"><?php print("$message")?></p>
</td>
<tr>
<table width="680" border="0" align="center">
<form action="register.php" method="post">
<td>
</span><label for="firstname"><span class="Fields">First Name</span> <span class="requiredField">*</span></label></td>
<td>
<input type="text" name="fname" placeholder="Firstname" /></td>
<td><span class="Fields">Last Name</span><span class="requiredField">*</span></label></td>
<td><input type="text" name="lname" placeholder="Lastname" /></td>
<tr>
<td><label for="birthdate" class="Fields">Birth Date </label></td>
<td><input type="date" name="birthdate" value= "YYYY_MM_DD" onfocus="if (this.value == 'YYYY_MM_DD') {this.value = '';}" onblur="if (this.value == '') {this.value = 'YYYY_MM_DD';}" />
<br /></td>
<td class="Fields"><label for="phonenumber">Phone Number</label></td>
<td><input type="number" name="phonenumber" value="000-0-000 000" onfocus="if (this.value == '000-0-000 000') {this.value = '';}" onblur="if (this.value == '') {this.value = '000-0-000 000';}" /></td>
</tr>
<tr>
<td class="Fields"><label for="country">Country</label></td>
<td><select name="country" class="select">
<option value="0">-- Select Your Country --</option>
<?php countryQuery(); ?>
</select></td>
<td class="Fields"><label for="specialisation">Specialisation <span class="requiredField">*</span></label></td>
<td><select name="specialization" class="select">
<option value="0">-- Select Your Specialization --</option>
<?php specializationQuery(); ?>
</select></td>
</tr>
<tr>
<td class="Fields"><label for="district">District<span class="requiredField">*</span></label></td>
<td><select name="district" class="select">
<option value="0">-- Select Your District --</option>
<?php districtQuery(); ?>
</select></td>
<td class="Fields"><label for="village">Village<span class="requiredField">*</span></label></td>
<td><select name="village" class="select">
<option value="0">-- Select Your Village --</option>
<?php villageQuery(); ?>
</select></td>
</tr>
<tr>
<td class="Fields"><label for="email">Email Adress<span class="requiredField">*</span></label></td>
<td><input type="text" name="email" placeholder="Email Adress" />
<br /></td>
<td><label for="username"><span class="Fields">User Name</span> <span class="requiredField">*</span></label></td>
<td><input type="text" name="username" placeholder="Username" />
<br /></td>
</tr>
<tr>
<td class="Fields"><label for="password">Password<span class="requiredField">*</span></label></td>
<td><input type="password" name="pass1" placeholder="Password" />
<br /></td>
<td class="Fields"><label for="password2">Re_Password<span class="requiredField">*</span></label></td>
<td><input type="password" name="pass2" placeholder="Validate Password" />
<br /></td>
</tr>
<tr>
<td></td>
<td></td>
<td><input type="submit" value="Register"/></td>
<td></td>
</tr>
</form>
</table>
<!--</div>-->
</tr>
<tr>
<td><?php require_once('footer.php'); ?></td>
</tr>
</tr>
</tr>
</table>
</body>
</html>
<?php ob_end_flush(); ?>