Javascript 动态行表单提交
我在我的网站上有一个相当大的表单，底部有一个插入行按钮，这会在表单底部添加行，我也可以单击相应的删除按钮删除要删除的单行 表单底部的屏幕截图 现在，当我点击“发送”按钮时，问题出现了。如果我在表单中添加了几行，然后单击“发送”按钮，这些行就会从表单中消失，它们的值也会消失。我需要它，因此，一旦我添加了行并单击“发送”按钮，表单将正确保持其状态并保留我先前添加的行 可在此处找到HTML代码：Javascript 动态行表单提交,javascript,php,html,forms,submit,Javascript,Php,Html,Forms,Submit,我在我的网站上有一个相当大的表单，底部有一个插入行按钮，这会在表单底部添加行，我也可以单击相应的删除按钮删除要删除的单行 表单底部的屏幕截图 现在，当我点击“发送”按钮时，问题出现了。如果我在表单中添加了几行，然后单击“发送”按钮，这些行就会从表单中消失，它们的值也会消失。我需要它，因此，一旦我添加了行并单击“发送”按钮，表单将正确保持其状态并保留我先前添加的行 可在此处找到HTML代码： <form name="contact" action="request-a-quote.php"
<form name="contact" action="request-a-quote.php" method="POST">
<table class="form">
<thead>
<?php if (isset($form_error_message)) { echo $form_error_message; } ?>
<tr>
<th colspan="3">Company Information</th>
</tr>
</thead>
<tbody>
<tr>
<th class="desktop_only">Company Name *</th>
<td colspan="2"><input name="company_name" type="text" <?php if ($error_company_name=='Y' ) { echo 'class="error_on_field"'; } ?>
<?php if ($detect->isMobile()) { echo 'placeholder="Company Name"'; } ?> maxlength="45" value="
<?php if (isset($company_name)) echo $company_name; ?>"></td>
</tr>
</tbody>
<thead>
<tr>
<th colspan="3">Contact Information</th>
</tr>
</thead>
<tbody>
<tr>
<th class="desktop_only">Contact person name *</th>
<td colspan="2"><input name="contact_person_name" type="text" <?php if ($error_contact_person_name=='Y' ) { echo 'class="error_on_field"'; } ?>
<?php if ($detect->isMobile()) { echo 'placeholder="Contact Person Name"'; } ?> maxlength="45" value="
<?php if (isset($contact_person_name)) echo $contact_person_name; ?>"></td>
</tr>
<tr>
<th class="desktop_only">Contact person e-mail *</th>
<td colspan="2"><input name="contact_person_email" type="email" <?php if ($error_contact_person_email=='Y' ) { echo 'class="error_on_field"'; } ?>
<?php if ($detect->isMobile()) { echo 'placeholder="Contact Person Email"'; } ?> size="40" value="
<?php if (isset($contact_person_email)) echo $contact_person_email; ?>" /></td>
</tr>
<tr>
<th class="desktop_only">Contact address *</th>
<td colspan="2"><input name="contact_address" type="text" <?php if ($error_contact_address=='Y' ) { echo 'class="error_on_field"'; } ?>
<?php if ($detect->isMobile()) { echo 'placeholder="Contact Address"'; } ?> maxlength="45" value="
<?php if (isset($contact_address)) echo $contact_address; ?>"></td>
</tr>
<tr>
<th class="desktop_only">Contact person phone *</th>
<td colspan="2"><input name="contact_person_phone" type="text" <?php if ($error_contact_person_phone=='Y' ) { echo 'class="error_on_field"'; } ?>
<?php if ($detect->isMobile()) { echo 'placeholder="Contact Person Phone"'; } ?> maxlength="45" value="
<?php if (isset($contact_person_phone)) echo $contact_person_phone; ?>"></td>
</tr>
</tbody>
<thead>
<tr>
<th colspan="3">Boiler Information</th>
</tr>
</thead>
<tbody>
<tr>
<th class="desktop_only">Boiler brand / manufacturer *</th>
<td colspan="2"><input name="boiler_brand_manufacturer" type="text" <?php if ($error_boiler_brand_manufacturer=='Y' ) { echo 'class="error_on_field"'; } ?>
<?php if ($detect->isMobile()) { echo 'placeholder="Boiler brand / Manufacturer"'; } ?> maxlength="45" value="
<?php if (isset($boiler_brand_manufacturer)) echo $boiler_brand_manufacturer; ?>"></td>
</tr>
<tr>
<th class="desktop_only">Average annual fuel consumption (kW or £)</th>
<td colspan="2"><input name="average_annual_fuel_consumption" type="text" <?php if ($detect->isMobile()) { echo 'placeholder="Average annual fuel consumption (kW or £)"'; } ?> size="60" value="
<?php if (isset($average_annual_fuel_consumption)) echo $average_annual_fuel_consumption; ?>" ></td>
</tr>
<tr>
<th class="desktop_only">Current cost per kW (Pence)</th>
<td colspan="2"><input name="current_cost_per_kw" type="text" <?php if ($detect->isMobile()) { echo 'placeholder="Current cost per kW (Pence)"'; } ?> size="60" value="
<?php if (isset($current_cost_per_kw)) echo $current_cost_per_kw; ?>" ></td>
</tr>
<tr>
<th>Type of fuel</th>
<td colspan="2">
<select name="type_of_fuel">
<option value="0">Please Select...</option>
<option <?php if ($type_of_fuel == "Gas") echo "selected=selected" ?>>Gas</option>
<option <?php if ($type_of_fuel == "Oil") echo "selected=selected" ?>>Oil</option>
<option <?php if ($type_of_fuel == "LPG") echo "selected=selected" ?>>LPG</option>
<option <?php if ($type_of_fuel == "Other") echo "selected=selected" ?>>Other</option>
</select>
</td>
</tr>
</tbody>
<thead>
<tr>
<th colspan="3">Boiler Capacity</th>
</tr>
</thead>
<tbody>
<tr>
<th>Type of boiler</th>
<td colspan="2">
<select name="type_of_boiler">
<option value="0">Please Select...</option>
<option <?php if ($type_of_boiler == "Thermostatically Controlled") echo "selected=selected" ?>>Thermostatically Controlled</option>
<option <?php if ($type_of_boiler == "CHP") echo "selected=selected" ?>>CHP</option>
<option <?php if ($type_of_boiler == "Steam") echo "selected=selected" ?>>Steam</option>
</select>
</td>
</tr>
<tr>
<th class="desktop_only">Total capacity</th>
<td colspan="2"><input name="total_capacity" type="text" <?php if ($detect->isMobile()) { echo 'placeholder="Total Capacity"'; } ?> size="60" value="
<?php if (isset($total_capacity)) echo $total_capacity; ?>" ></td>
</tr>
<tr>
<th class="desktop_only">Boiler capacity</th>
<td colspan="2"><input name="boiler_capacity" type="text" <?php if ($detect->isMobile()) { echo 'placeholder="Boiler Capacity"'; } ?> size="60" value="
<?php if (isset($boiler_capacity)) echo $boiler_capacity; ?>" ></td>
</tr>
</tbody>
<thead>
<tr>
<th colspan="3">Required Measurements (up to 4 meters)</th>
</tr>
</thead>
<tbody class="row">
<tr>
<td colspan="3" class="center">
<img src="images/required-measurements.jpg" alt="Required Measurements" />
</td>
</tr>
</tbody>
</table>
<table id="addrows">
<thead>
<tr>
<th></th>
<th>Circumference</th>
<th>Length</th>
<th></th>
</tr>
</thead>
<tbody class="row">
<tr>
<th>Measurement 1</th>
<td><input name="circumference_1" type="text" <?php if ($detect->isMobile()) { echo 'placeholder="Circumference 1"'; } ?> size="60" value="
<?php if (isset($circumference_1)) echo $circumference_1; ?>" ></td>
<td><input name="length_1" type="text" <?php if ($detect->isMobile()) { echo 'placeholder="Length 1"'; } ?> size="60" value="
<?php if (isset($length_1)) echo $length_1; ?>" ></td>
<td style="width:200px;"></td>
</tr>
</tbody>
</table>
<p><input type="button" id="insert_row" value="Insert row"></p>
<script>
$('#addrows').on('click', 'input[type="button"]', function() {
$(this).closest('tr').remove();
})
$('p input[type="button"]').click(function() {
$('#addrows').append('<tr><th>Measurement 2</th><td><input type="text" class="fname" /></td><td><input type="text" class="fname" /></td><td><input type="button" value="Delete" /></td></tr>')
});
</script>
<table class="form">
<tr id="send_holder">
<td class="calculate" colspan="3">
<input type="submit" id="send" value="Send">
<input type="hidden" name="submitted" value="TRUE">
</td>
</tr>
</table>
</form>
公司信息
公司名称*
maxlength=“45”值=”
">
联系方式
联系人姓名*
maxlength=“45”值=”
">
联系人电子邮件*
size=“40”值=”
" />
联系地址*
maxlength=“45”值=”
">
联系人电话*
maxlength=“45”值=”
">
锅炉信息
锅炉品牌/制造商*
maxlength=“45”值=”
">
年平均燃油消耗量（千瓦或%）
size=“60”值=”
" >
当前每千瓦成本（便士）
size=“60”值=”
" >
燃料类型
请选择。。。
>油
>其他
锅炉容量
锅炉类型
请选择。。。
>热电联产
size=“60”值=”
" >
锅炉容量
size=“60”值=”
" >
所需测量值（最多4米）
圆周
长
测量1
size=“60”值=”
" >
size=“60”值=”
" >
$（'#addrows'）。在（'click'，'input[type=“button”]”上，函数（）{
$（this）.closest（'tr'）.remove（）；
})
$（'p input[type=“button”]”）。单击（函数（）{
$（'#addrows'）。追加（'Measurement 2'）
});
<?php
// Taken from http://php.net/manual/en/function.mail.php - Example #4 Sending HTML email
// PHP script triggers if SEND button has been clicked
if (isset($_POST['submitted'])) {
// Set up Fasthosts mandatory settings to enable email sending
$email_from = 'EMAIL'; // Must be an email set-up in Fasthosts, mailbox or forwarder
ini_set('SMTP','smtp.fasthosts.co.uk' );
ini_set('sendmail_from', $email_from);
$website_name = 'NAME'; // Change to the name of the website in which the form is
$form_name = 'Request a Quote'; // Change to the name of the form
// Populate PHP variables from $_POST array
$company_name = htmlentities(trim($_POST['company_name']),ENT_QUOTES,"ISO-8859-15");
$contact_person_name = htmlentities(trim($_POST['contact_person_name']),ENT_QUOTES,"ISO-8859-15");
$contact_person_email = htmlentities(trim($_POST['contact_person_email']),ENT_QUOTES,"ISO-8859-15");
$contact_address = htmlentities(trim($_POST['contact_address']),ENT_QUOTES,"ISO-8859-15");
$contact_person_phone = htmlentities(trim($_POST['contact_person_phone']),ENT_QUOTES,"ISO-8859-15");
$boiler_brand_manufacturer = htmlentities(trim($_POST['boiler_brand_manufacturer']),ENT_QUOTES,"ISO-8859-15");
$average_annual_fuel_consumption = htmlentities(trim($_POST['average_annual_fuel_consumption']),ENT_QUOTES,"ISO-8859-15");
$current_cost_per_kw = htmlentities(trim($_POST['current_cost_per_kw']),ENT_QUOTES,"ISO-8859-15");
$type_of_fuel = htmlentities(trim($_POST['type_of_fuel']),ENT_QUOTES,"ISO-8859-15");
$type_of_boiler = htmlentities(trim($_POST['type_of_boiler']),ENT_QUOTES,"ISO-8859-15");
$total_capacity = htmlentities(trim($_POST['total_capacity']),ENT_QUOTES,"ISO-8859-15");
$boiler_capacity = htmlentities(trim($_POST['boiler_capacity']),ENT_QUOTES,"ISO-8859-15");
$circumference_1 = htmlentities(trim($_POST['circumference_1']),ENT_QUOTES,"ISO-8859-15");
$length_1 = htmlentities(trim($_POST['length_1']),ENT_QUOTES,"ISO-8859-15");
// Check for errors and update error variables, e.g. $error_on_name, etc.
if (empty($company_name)) { $error_company_name = 'Y'; }
if (empty($contact_person_name)) { $error_contact_person_name = 'Y'; }
if (empty($contact_person_email)) { $error_contact_person_email = 'Y'; }
if (empty($contact_address)) { $error_contact_address = 'Y'; }
if (empty($contact_person_phone)) { $error_contact_person_phone = 'Y'; }
if (empty($boiler_brand_manufacturer)) { $error_boiler_brand_manufacturer = 'Y'; }
$errors_exist = $error_company_name.$error_contact_person_name.$error_contact_person_email.$error_contact_address.$error_contact_person_phone.$error_boiler_brand_manufacturer;
// No errors exist - Set up and send emails and redirect
if (!empty($errors_exist)) {
$form_error_message = '<tr><td colspan="2"><p id="form_error_message">There are a few pieces of information that we need from you before this form comes through to us. They are highlighted below in red, so please fill those in again and click the <strong>Submit</strong> button again.</p></td></tr>';
// Else, i.e. if $errors array is empty
} else {
// Set up email recipient(s)
$to1 = $contact_person_email; // First email is sent to the person who submitted the form; $email
$to2 = 'email_address'; // Second email is sent to the website owner; change this to the relevant email address
// Set up email subject(s)
$subject1 = 'Thanks for your submission - '.$website_name.' - '.$form_name.' form'; // Do not change
$subject2 = 'Website submission - '.$website_name.' - '.$form_name.' form'; // Do not change
// Set up email message(s)
$message1 = '
<div style="font-family: arial, tahoma, sans serif; font-size: small; color: #666;">
<p>Hi '.$contact_person_name.',</p>
<p>Thanks for completing our '.$form_name.' form on the '.$website_name.' website. We\'ll be in touch as soon as we can!</p>
<p>With kind regards<br />'.$website_name.'</p>
</div>';
$message2 = '
<div style="font-family: arial, tahoma, sans serif; font-size: small; color: #666;">
<p>The following submission has been made via the '.$form_name.' form:</p>
<h2>Company Information</h2>
<p>Company Name: '.$company_name.'</p>
<h2>Contact Information</h2>
<p>
Contact Person Name: '.$contact_person_name.'
<br />Contact Person Email: '.$contact_person_email.'
<br />Contact Address: '.$contact_address.'
<br />Contact Person Phone: '.$contact_person_phone.'
</p>
<h2>Boiler Information</h2>
<p>
Boiler Brand/Manufacturer: '.$boiler_brand_manufacturer.'
<br />Average Annual Fuel Consumption: '.$average_annual_fuel_consumption.'
<br />Current Cost per kW: '.$current_cost_per_kw.'
<br />Type of Fuel: '.$type_of_fuel.'
</p>
<h2>Boiler Capacity</h2>
<p>
Type of Boiler: '.$type_of_boiler.'
<br />Total Capacity: '.$total_capacity.'
<br />Boiler Capacity: '.$boiler_capacity.'
</p>
</div>';
// To send HTML mail, the Content-type header must be set
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n";
// Additional headers can be set here; Change From to website owner
$headers .= 'From: NAME <' . $email_from . '>' . "\r\n";
// Send emails
mail($to1, $subject1, $message1, $headers);
mail($to2, $subject2, $message2, $headers);
// Errors exist - populate $form_error_message ready for output to browser
}
} // END-OF-IF (isset($_POST['submitted']))
// Stage M3. Add <p> to end of $form_error_message
$form_error_message = $form_error_message.'</p>';
?>
一旦完成表单提交（而不是Ajax调用），就非常容易了 以您的形式：
<input type="text" name="measure[]" value="This input is fixed">
希望有帮助。我认为这与javascript无关。您可能还需要读取。当您添加到表中时，请使用
.on$（'#addrows'）。在（'click'，…<?php
$total_elements = count($_POST['measure']);
for ( $i=0;$i<$total_elements;++$i ) {
echo $_POST['measure'][$i];
}
?>