html格式：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>ShipOnline System</title>
</head>
<body>
<h1>ShipOnline System Request Page</h1>
<form method="post" action="request.php">
<fieldset>
<fieldset>
<legend>Item Information:</legend>
<p><label for="description">Description:</label>
<input type="text" name= "description" id="description" maxlength="100" size="20" required="required"/></p>
<p><label for="weight">Weight (kg):</label>
<select name="weight" id="weight" required="required">
<option value="">Please Select</option>
<option value="weight">0-2</option>
<option value="weight">3</option>
<option value='weight'>4</option>
<option value='weight'>5</option>
<option value='weight'>6</option>
<option value='weight'>7</option>
<option value='weight'>8</option>
<option value='weight'>9</option>
<option value='weight'>10</option>
<option value='weight'>11</option>
<option value='weight'>12</option>
<option value='weight'>13</option>
<option value='weight'>14</option>
<option value='weight'>15</option>
<option value='weight'>16</option>
<option value='weight'>17</option>
<option value='weight'>18</option>
<option value='weight'>19</option>
<option value='weight'>20</option>
</select></p>
</fieldset>
<fieldset>
<legend>Pick-up Information:</legend>
<p><label for="pickupAddress">Street Address:</label>
<input type="text" name= "pickupAddress" id="pickupAddress" maxlength="40" size="30" required="required"/></p>
<p><label for="pickupSuburb">Suburb:</label>
<input type="text" name= "pickupSuburb" id="pickupSuburb" maxlength="40" size="20" required="required"/></p>
<p><label for="date">Preferred date:</label>
<select name="day" id="date" required="required">
<option value="">Day</option>
<option value="day">1</option>
<option value="day">2</option>
<option value="day">3</option>
<option value='day'>4</option>
<option value='day'>5</option>
<option value='day'>6</option>
<option value='day'>7</option>
<option value='day'>8</option>
<option value='day'>9</option>
<option value='day'>10</option>
<option value='day'>11</option>
<option value='day'>12</option>
<option value='day'>13</option>
<option value='day'>14</option>
<option value='day'>15</option>
<option value='day'>16</option>
<option value='day'>17</option>
<option value='day'>18</option>
<option value='day'>19</option>
<option value='day'>20</option>
<option value='day'>21</option>
<option value='day'>22</option>
<option value='day'>23</option>
<option value='day'>24</option>
<option value='day'>25</option>
<option value='day'>26</option>
<option value='day'>27</option>
<option value='day'>28</option>
<option value='day'>29</option>
<option value='day'>30</option>
<option value='day'>31</option>
</select>
<select name="month" id="date" required="required">
<option value="">Month</option>
<option value='month'>1</option>
<option value='month'>2</option>
<option value='month'>3</option>
<option value='month'>4</option>
<option value='month'>5</option>
<option value='month'>6</option>
<option value='month'>7</option>
<option value='month'>8</option>
<option value='month'>9</option>
<option value='month'>10</option>
<option value='month'>11</option>
<option value='month'>12</option>
</select>
<select name="year" id="date" required="required">
<option value="">Year</option>
<option value='year'>2018</option>
<option value='year'>2019</option>
<option value='year'>2020</option>
<option value='year'>2021</option>
</select></p>
<p><label for="time">Prefered time:</label>
<select name="time" id="time" required="required">
<option value="">Please Select</option>
<option value="time">7:30-8:30</option>
<option value="time">8:30-9:30</option>
<option value="time">9:30-10:30</option>
<option value="time">10:30-11:30</option>
<option value="time">11:30-12:30</option>
<option value="time">12:30-13:30</option>
<option value="time">13:30-14:30</option>
<option value="time">14:30-15:30</option>
<option value="time">15:30-16:30</option>
<option value="time">16:30-17:30</option>
<option value="time">17:30-18:30</option>
<option value="time">18:30-19:30</option>
<option value="time">19:30-20:30</option>
</select></p>
</fieldset>
<fieldset>
<legend>Delivery Information:</legend>
<p><label for="receiver">Receiver Name:</label>
<input type="text" name= "receiver" id="receiver" maxlength="40" size="20" pattern="^[a-zA-Z ]+$" required="required"/></p>
<p><label for="deliveryAddress">Street Address:</label>
<input type="text" name= "deliveryAddress" id="deliveryAddress" maxlength="40" size="30" required="required"/></p>
<p><label for="deliverySuburb">Suburb:</label>
<input type="text" name= "deliverySuburb" id="deliverySuburb" maxlength="40" size="20" required="required"/></p>
<p><label for="state">State:</label>
<select name="state" id="state" required="required">
<option value="">Please Select</option>
<option value="state">VIC</option>
<option value="state">NSW</option>
<option value="state">QLD</option>
<option value="state">NT</option>
<option value="state">WA</option>
<option value="state">SA</option>
<option value="state">TAS</option>
<option value="state">ACT</option>
</select></p>
</fieldset>
<br/>
<input type= "submit" value="Request"/>
</fieldset>
</form>
<p><a href="shiponline.php#shiponline">Home</a></p>
</body>
</html>PHP：
<?php
require_once ("settings.php"); //connection info
$conn = @mysqli_connect($host,
$user,
$pwd,
$sql_db
);
$requestID = trim($_POST["requestID"]);
$customerID = trim($_POST["customerID"]);
$requestDate = trim($_POST["requestDate"]);
$description = trim($_POST["description"]);
$weight = trim($_POST["weight"]);
$pickupAddress = trim($_POST["pickupAddress"]);
$pickupSuburb = trim($_POST["pickupSuburb"]);
$date = trim($_POST["date"]);
$time = trim($_POST["time"]);
$receiver = trim($_POST["receiver"]);
$deliveryAddress = trim($_POST["deliveryAddress"]);
$deliverySuburb = trim($_POST["deliverySuburb"]);
$state = trim($_POST["state"]);
$sql_table="Request";
$query = "insert into $sql_table (description, weight, pickupAddress, pickupSuburb, date, time, receiver, deliveryAddress, deliverySuburb, state) values ('$description', '$weight', '$pickupAddress', '$pickupSuburb', '$date', '$time', '$receiver', '$deliveryAddress', '$deliverySuburb', '$state')";
//execute the query -we should really check to see if the batabase exists first.
$result = mysqli_query($conn, $query);
//checks if the exeution was succcessful
if (!$result) {
echo "<p class=\"wrong\">Something is wrong with your request please go back and check your details</p>";
// would not show in a production script
} else {
// display an operation successful message
echo "<p class=\"ok\">Thank you! Your request number is requestID. The cost is <cost>. We will pick-up the item at $time on $date.</p>";
} // if successful query operation
// close the database connection
mysqli_close($conn);
// if successful database connection
?>我有一个类似的php文件，这一个完美的工作。我相信我一直收到这样的信息：“你的请求有问题，请回去检查你的详细信息”，因为“日期”，“时间”或是“重量”和“状态”的下拉框，但我尝试删除它们，没有任何改变，我一直得到有问题。我似乎不知道是什么原因导致表单无法成功发送。有人能试着找出错误吗？
暂无答案！
目前还没有任何答案，快来回答吧！