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我有一個腳本，用戶在其下記錄一個php表單。在2個下拉菜單之間驗證，因此只能選擇一個php
有一個部分有兩個相鄰的下拉菜單，'npc_battery_n_code'和'npc_battery_other_code'。
我想要做的是讓它這樣下拉菜單中的一個必須有一個選擇要提交的表單選項，但不是兩者都沒有。例如，如果在'npc_battery_n_code'中選擇了一個選項，然後用戶在'npc_battery_other_code'中選擇了另一個選項，那麼'npc_battery_n_code'的值將恢復爲'None'選項。
任何建議，歡迎
<?php //logsale.php
require_once ('./includes/config.inc.php');
$page_title = 'Log a sale';
include ('./includes/header.html');
if (!isset($_SESSION['sp_user_id'])) {
$url = 'http://' . $_SERVER['HTTP_HOST']
. dirname($_SERVER['PHP_SELF']);
// Check for a trailing slash.
if ((substr($url, -1) == '/') OR (substr($url, -1) == '\\')) {
$url = substr ($url, 0, -1); // Chop off the slash.
}
$url .= '/login.php';
ob_end_clean(); // Delete the buffer.
header("Location: $url");
exit(); // Quit the script.
}
$users = $_SESSION['sp_user_id'];
?>
<h1>Heading</h1>
<?php
if (isset($_POST['submitted'])) {// Handle the form.
require_once ('mydatabase.php');
if (!empty($_POST['npc_quantity'])) {
$quantity = escape_data($_POST ['npc_quantity']);
} else {
$quantity = FALSE;
echo '<p><font color="red">You forgot to enter the Quantity</font></p>';
}
if (!empty($_POST['npc_customer_name'])) {
$customer = escape_data($_POST ['npc_customer_name']);
} else {
$customer = FALSE;
echo '<p><font color="red">You forgot to enter the Customer Name</font></p>';
}
if (!empty($_POST['npc_registration_no'])) {
$rego = escape_data($_POST ['npc_registration_no']);
} else {
$rego = FALSE;
echo '<p><font color="red">You forgot to enter the Customer Rego Number</font></p>';
}
if (!empty($_POST['npc_suo_no'])) {
$suo = escape_data($_POST ['npc_suo_no']);
} else {
$suo = FALSE;
echo '<p><font color="red">You forgot to enter the SUO Number</font></p>';
}
if (!empty($_POST['npc_amb_club_no'])) {
$repair_order = escape_data($_POST ['npc_amb_club_no']);
} else {
$repair_order = FALSE;
echo '<p><font color="red">You forgot to enter the A-Club number</font></p>';
}
if (!empty($_POST['npc_repair_order'])) {
$amb_club = escape_data($_POST ['npc_repair_order']);
} else {
$amb_club = FALSE;
echo '<p><font color="red">You forgot to enter the Repair Order</font></p>';
}
if (!empty($_POST['npc_invoice_no'])) {
$inv = escape_data($_POST ['npc_invoice_no']);
} else {
$inv = FALSE;
echo '<p><font color="red">You forgot to enter the Invoice Number </font></p>';
}
if (!empty($_POST['npc_entry_userdate'])) {
$inv_date = escape_data($_POST ['npc_entry_userdate']);
} else {
$inv_date = FALSE;
echo '<p><font color="red">You forgot to enter the Invoice Date</font></p>';
}
if ($quantity && $customer && $rego && $suo && $repair_order && $amb_club && $inv && $inv_date) {
$uid = @mysql_insert_id(); //Get the url ID.
$query = "INSERT INTO npc_sales_list
(npc_item_id , sp_user_id, npc_battery_n_code, npc_battery_other_code, npc_quantity,
npc_customer_name, npc_registration_no, npc_suo_no, npc_amb_club_no, npc_repair_order,
npc_entry_userdate, npc_usertype, npc_points, npc_bonus_points, npc_entry_date)
VALUES
('$uid', '$users', '$_POST[npc_battery_n_code]', '$_POST[npc_battery_other_code]', '$quantity',
$customer , $rego, $suo, $amb_club , $repair_order,
$inv , 'NPC', '5' , '0' , NOW())";
$result = mysql_query ($query) or trigger_error
("Query: $query\n<br />MySQL Error: " .mysql_error());
if ($result = @mysql_query($query)) {
//Finish the page.
echo '<p>The sale with invoice number: <strong>' . $inv . '</strong> <br />
is now registered into the system.</p>
<p>If you would like to log in further sales, please <a href="logsale.php">click here</a></p>
<p>If you would like to view your sales log, please <a href="viewsales.php">click here</a></p>
';
include ('./includes/footer.html'); // Include the HTML footer.
exit();
} else { // If it did not run OK.
echo '<p><font color="red" size="+1">You could not be
registered due to a system error. We apologize for any
inconvenience.</font></p>';
}
}
} else { // If one of the data tests failed.
echo '<p><font color="red" size="+1">Please check all manatory fields are complete and try again.
</font></p>';
}
mysql_close(); // Close the database connection.
?>
<form enctype="multipart/form-data" action="logsale.php" method="post">
<table width="520" border="0" cellspacing="3" cellpadding="2">
<tr>
<td width="184"><div align="right">NPC Vehicle<span class="style2">*</span></div></td>
<td width="323"><select name="npc_battery_n_code" id="npc_battery_n_code">
<option value="None"
<?php if (isset($_POST['npc_battery_n_code']) && $_POST['npc_battery_n_code'] == 'None')
{echo 'selected="selected"';} ?>>None
</option>
<option value="55D23L"
<?php if (isset($_POST['npc_battery_n_code']) && $_POST['npc_battery_n_code'] == '55D23L')
{echo 'selected="selected"';} ?>>55D23L
</option>
<option value="55D23R"
<?php if (isset($_POST['npc_battery_n_code']) && $_POST['npc_battery_n_code'] == '55D23R')
{echo 'selected="selected"';} ?>>55D23R
</option>
<option value="75D23R"
<?php if (isset($_POST['npc_battery_n_code']) && $_POST['npc_battery_n_code'] == '75D23R')
{echo 'selected="selected"';} ?>>75D23R
</option>
</select></td>
</tr>
<tr>
<td width="184"><div align="right">Other <span class="style2">*</span></div></td>
<td width="323">
<select name="npc_battery_other_code" id="npc_battery_other_code">
<option value="50D20L"
<?php if (isset($_POST['npc_battery_other_code']) && $_POST['npc_battery_other_code'] == '50D20L')
{echo 'selected="selected"';} ?>>50D20L
</option>
<option value="50D20R"
<?php if (isset($_POST['npc_battery_other_code']) && $_POST['npc_battery_other_code'] == '50D20R')
{echo 'selected="selected"';} ?>>50D20R
</option>
<option value="55D23LMF"
<?php if (isset($_POST['npc_battery_other_code']) && $_POST['npc_battery_other_code'] == '55D23LMF')
{echo 'selected="selected"';} ?>>55D23LMF
</option>
<option value="55D23RMF"
<?php if (isset($_POST['npc_battery_other_code']) && $_POST['npc_battery_other_code'] == '55D23RMF')
{echo 'selected="selected"';} ?>>55D23RMF
</option>
</select></td>
</tr>
<tr>
<td><div align="right">Quantity <span class="style2">*</span></div></td>
<td><input type="text" name="npc_quantity" size="10" maxlength="10"
value="<?php if (isset($_POST['npc_quantity'])) echo $_POST['npc_quantity']; ?>" /></td>
</tr>
<tr>
<td><div align="right">Customer name<span class="style2">*</span></div></td>
<td><input type="text" name="npc_customer_name" size="30" maxlength="30"
value="<?php if (isset($_POST['npc_customer_name'])) echo $_POST['npc_customer_name']; ?>" /></td>
</tr>
<tr>
<td><div align="right">Rego number <span class="style2">*</span></div></td>
<td><input type="text" name="npc_registration_no" size="10" maxlength="7"
value="<?php if (isset($_POST['npc_registration_no'])) echo $_POST['npc_registration_no']; ?>" /></td>
</tr>
<tr>
<td><div align="right">SUO No.<span class="style2">*</span></div></td>
<td><input type="text" name="npc_suo_no" size="10" maxlength="7"
value="<?php if (isset($_POST['npc_suo_no'])) echo $_POST['npc_suo_no']; ?>"/></td>
</tr>
<tr>
<td><div align="right">A-Club ID<span class="style2">*</span></div></td>
<td><input type="text" name="npc_amb_club_no" size="15" maxlength="7"
value="<?php if (isset($_POST['npc_amb_club_no'])) echo $_POST['npc_amb_club_no']; ?>"/></td>
</tr>
<tr>
<td><div align="right">Repair Order <span class="style2">*</span></div></td>
<td><input type="text" name="npc_repair_order" size="15" maxlength="12"
value="<?php if (isset($_POST['npc_repair_order'])) echo $_POST['npc_repair_order']; ?>" /></td>
</tr>
<tr>
<td><div align="right">Invoice No. <span class="style2">*</span></div></td>
<td><input size="10" name="npc_invoice_no"
value="<?php if (isset($_POST['npc_invoice_no'])) echo $_POST['npc_invoice_no']; ?>" /></td>
</tr>
<tr>
<td><div align="right">Invoice Date <span class="style2">*</span></div></td>
<td><input size="12" name="npc_entry_userdate" maxlength="10"
value="<?php if (isset($_POST['npc_entry_userdate'])) echo $_POST['npc_entry_userdate']; ?>"/> </td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="submit" value="Submit" /></p><input type="hidden" name="submitted" value="TRUE" />
</td>
</tr>
</table>
</form>
<p>Footer</p>
<?php
include ('./includes/footer.html');
?>
謝謝＃萊恩克萊默，這就是我以後的！ – AdamMc 2012-08-13 01:22:57