我正在尝试使用html表单中的复选框,并通过post将它们发送到我的sql数据库。但是无论复选框是否被打开,我总是得到0。
这是html表格:
<form action = "MediaList2.php" method = "POST">
<li><input type="checkbox" name="gradea" value="1"> CPC for Grade A websites<br><input type='hidden' value='0' name='gradea'></li>
<li><input type="checkbox" name="gradeb" value="1"> CPC for Grade B websites<br><input type='hidden' value='0' name='gradeb'></li>
<li><input type="checkbox" name="gradec" value="1"> CPC for Grade C websites<br><input type='hidden' value='0' name='gradec'></li>
<li><input type="text" name="clicksno" placeholder="if you want a specific number for your clicks please mention it here ">Number of Clicks<br></li>
<li> Duration<input type="text" name="start_date" class="form-control" id="start_date" placeholder="yyyy-mm-dd" /> <span> TO </span> <input type="text" name="end_date" class="form-control" id="end_date" placeholder="yyyy-mm-dd" />
</li>
<li> Budget <input type ="text" name ="budget" required></li>
<button type= "submit">Submit</button>
</form>
这是我的PHP代码:
try{
// receiving the post params
$gradea= $_POST['gradea'];
$gradeb= $_POST['gradeb'];
$gradec= $_POST['gradec'];
$clicksno= $_POST['clicksno'];
$start_date = $_POST['start_date'];
$end_date = $_POST['end_date'];
$budget = $_POST['budget'];
if($budget > $_SESSION['totalcampaignbudget'])
{
echo "Your CPC budget should not be bigger than your total budget!";
exit(0);
}
$user = $db->storeinCPC($gradea , $gradeb, $gradec, $clicksno, $start_date, $end_date, $budget, $campaignname, $email);
这是我在php中的storinCPC函数:
public function storeinCPC($gradea , $gradeb, $gradec, $clicksno, $start_date, $end_date, $budget, $campaignname, $email)
{ // Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error)
{
die("Connection failed: " . $conn->connect_error);
}
$q1 = "SELECT * from CPC where tocampaign = '$campaignname' AND toperson = '$email' " ;
$res1 = $conn -> query($q1);
$count = $res1 ->num_rows;
if($count != null )
{
$query = "UPDATE CPC set clicksno ='$clicksno' , GradeA = '$gradea', GradeB='$gradeb', GradeC = '$gradec',budget='$budget', tocampaign='$campaignname', startdate='$start_date', enddate='$end_date', toperson='$email', updated_at = NOW() WHERE toperson = '$email' AND tocampaign = '$campaignname'";
}
else if($count ==0)
{
$query = "INSERT INTO CPC (clicksno , GradeA, GradeB, GradeC,budget, tocampaign, startdate, enddate, toperson, created_at, updated_at ) VALUES ('$clicksno', '$gradea', '$gradeb' , '$gradec', '$budget', '$campaignname', '$start_date', '$end_date', '$email', NOW(), NOW())";
}
$result = $conn->query($query);
}
答案 0 :(得分:2)
查看其中一条输入行可以清楚地了解您的主要问题:
<li><input type="checkbox" name="gradea" value="1"> CPC for Grade A websites<br><input type='hidden' value='0' name='gradea'></li>
您是否注意到您创建了一个名为gradea
的复选框输入字段,并在创建了一个与value='0'
同名的隐藏输入字段后覆盖了第一个字段?