首先，我是这个编程领域的新手，所以我不知道该怎么做？
我有一个数据库表ID, REC_ID, VIDEO_DATE, VIDEO_COUNT, IS_REDIM，我有<?php
// If user not logged in then show login message
if (!isset($_SESSION['userid']))
{
?>
<div class="message">
To access this page, you must be logged.<br />
<a href="connexion.php">Log in</a>
</div>
<?php
}
else
{
//Video count values of the database
if(isset($_REQUEST['date1']) && isset($_REQUEST['date2']))
{
$dnn = mysqli_query($conn, 'select video_date,video_count from video_master where rec_id="'.$_SESSION['userid'].'" and video_date >= "' . $_REQUEST['date1'] . '" and video_date <= "' . $_REQUEST['date2'] . '"');
}
else
{
$dnn = mysqli_query($conn, 'select id,video_date,video_count,is_redim from video_master where rec_id="'.$_SESSION['userid'].'"');
}
if(mysqli_num_rows($dnn)>0)
{
?>
<table>
<thead>
<tr>
<th>ID</th>
<th>Date</th>
<th>Video Count</th>
<th>Total Amount</th>
<th>Is Redim ?</th>
</tr>
</thead>
<?php
while($rowData = mysqli_fetch_array($dnn))
{
//$video_date = date("Y-m-d","d-m-Y",$rowData['video_date']);
$video_date = $rowData['video_date'];
$video_count = $rowData['video_count'];
?>
<tbody>
<tr>
<td><?php echo $rowData['id']; ?></td>
<td><?php print($video_date); ?></td>
<td><?php print($video_count); ?></td>
<td><?php //echo $rowData['video_count'];
if($rowData['video_count'] < 250){
$amount1 = $rowData['video_count']*0;
echo $amount1;
}
else{
if($rowData['video_count'] <= 500){
$amount1 = $rowData['video_count']*0.25;
echo $amount1;
}
else
{
if($rowData['video_count'] <= 750){
$amount1 = $rowData['video_count']*0.50;
echo $amount1;
}
else
{
if($rowData['video_count'] <= 1000){
$amount1 = $rowData['video_count']*0.75;
echo $amount1;
}
else
{
if($rowData['video_count'] <= 1250){
$amount1 = $rowData['video_count']*1;
echo $amount1;
}
else
{
if($rowData['video_count'] < 1500){
$amount1 = $rowData['video_count']*1.50;
echo $amount1;
}
else
{
}
}
}
}
}
}
?></td>
<td><?php echo $rowData['is_redim']; ?></td>
</tr>
</tbody>
<?php
}
?>
</table>
<?php
}
?>
<?php
}
?>
个字段。
现在我想要一个这个数量的计数。我使用if并获得一定数量的视频，但现在我不知道如何获取该金额的总和，即总金额。在这里，我提供的是我所做的。
$amount我获得$amount视频，但现在我想计算amount的总数。 <?php
$total_amt = 0;
// If user not logged in then show login message
if (!isset($_SESSION['userid'])) {
?><div class="message">
To access this page, you must be logged.<br />
<a href="connexion.php">Log in</a>
</div><?php
}
else{
//Video count values of the database
if(isset($_REQUEST['date1']) && isset($_REQUEST['date2'])){
$dnn = mysqli_query($conn, 'select video_date,video_count from video_master where rec_id="'.$_SESSION['userid'].'" and video_date >= "' . $_REQUEST['date1'] . '" and video_date <= "' . $_REQUEST['date2'] . '"');
}
else{
$dnn = mysqli_query($conn, 'select id,video_date,video_count,is_redim from video_master where rec_id="'.$_SESSION['userid'].'"');
}
if(mysqli_num_rows($dnn)>0)
{
?><table>
<thead>
<tr>
<th>ID</th>
<th>Date</th>
<th>Video Count</th>
<th>Total Amount</th>
<th>Is Redim ?</th>
</tr></thead><?php
while($rowData = mysqli_fetch_array($dnn)){
//$video_date = date("Y-m-d","d-m-Y",$rowData['video_date']);
$video_date = $rowData['video_date'];
$video_count = $rowData['video_count'];
?><tbody><tr>
<td><?php echo $rowData['id']; ?></td>
<td><?php print($video_date); ?></td>
<td><?php print($video_count); ?></td>
<td><?php //echo $rowData['video_count'];
if($rowData['video_count'] < 250){
$amount1 = $rowData['video_count']*0;
echo $amount1;
}
else{
if($rowData['video_count'] <= 500){
$amount1 = $rowData['video_count']*0.25;
echo $amount1;
} else {
if($rowData['video_count'] <= 750){
$amount1 = $rowData['video_count']*0.50;
echo $amount1;
} else {
if($rowData['video_count'] <= 1000){
$amount1 = $rowData['video_count']*0.75;
echo $amount1;
} else {
if($rowData['video_count'] <= 1250){
$amount1 = $rowData['video_count']*1;
echo $amount1;
} else
{
if($rowData['video_count'] < 1500){
$amount1 = $rowData['video_count']*1.50;
echo $amount1;
} else
{
}
}
}
}
}
}
$total_amt += $amount1;
echo $total_amt;
?></td>
<td><?php echo $rowData['is_redim']; ?></td>
</tr></tbody><?php
}
?></table><?php
}
?>
<?php
}
?>
字段不在数据库中。我从video_count获得金额。
更新问题
b答案 0 :(得分：1)
在每一行中，您必须将当前金额添加到之前的金额。
可以试试这个。
$total_amt = 0;// declare outside the loop.
$total_amt += $amount1;// inside the condition where you are echoing the amount or just outside the main if else block.
循环结束后，
<?php echo $total_amt; ?>// will echo the total amount.
if($rowData['video_count'] < 250){
$amount1 = $rowData['video_count']*0;
echo $amount1;
} else{
...
...
}
$total_amt += $amount1;// keep here
修改
你要做的最后一件事是，
if($rowData['video_count'] < 1500){
$amount1 = $rowData['video_count']*1.50;
echo $amount1;
} else {
$amount1 = 0;// declare the variable here... last if else() in side main else
}
答案 1 :(得分：1)
试试这个： -
<?php
// If user not logged in then show login message
if (!isset($_SESSION['userid'])) {
?><div class="message">
To access this page, you must be logged.<br />
<a href="connexion.php">Log in</a>
</div><?php
}
else{
//Video count values of the database
if(isset($_REQUEST['date1']) && isset($_REQUEST['date2'])){
$dnn = mysqli_query($conn, 'select video_date,video_count from video_master where rec_id="'.$_SESSION['userid'].'" and video_date >= "' . $_REQUEST['date1'] . '" and video_date <= "' . $_REQUEST['date2'] . '"');
}
else{
$dnn = mysqli_query($conn, 'select id,video_date,video_count,is_redim from video_master where rec_id="'.$_SESSION['userid'].'"');
}
if(mysqli_num_rows($dnn)>0)
{
?>
<table>
<thead>
<tr>
<th>ID</th>
<th>Date</th>
<th>Video Count</th>
<th>Total Amount</th>
<th>Is Redim ?</th>
</tr></thead><?php
while($rowData = mysqli_fetch_array($dnn)){
//$video_date = date("Y-m-d","d-m-Y",$rowData['video_date']);
$video_date = $rowData['video_date'];
$video_count = $rowData['video_count'];
?>
<tbody>
<tr>
<td><?php echo $rowData['id']; ?></td>
<td><?php print($video_date); ?></td>
<td><?php print($video_count); ?></td>
<td><?php //echo $rowData['video_count'];
$total_amt=0;
if($rowData['video_count'] < 250){
$amount1 = $rowData['video_count']*0;
$total_amt = $total_amt + $amount1;
}
else{
if($rowData['video_count'] <= 500){
$amount1 = $rowData['video_count']*0.25;
$total_amt = $total_amt + $amount1;
}
else
{
if($rowData['video_count'] <= 750){
$amount1 = $rowData['video_count']*0.50;
$total_amt = $total_amt + $amount1;
}
else
{
if($rowData['video_count'] <= 1000){
$amount1 = $rowData['video_count']*0.75;
$total_amt = $total_amt + $amount1;
} else
{
if($rowData['video_count'] <= 1250){
$amount1 = $rowData['video_count']*1;
$total_amt = $total_amt + $amount1;
} else
{
if($rowData['video_count'] < 1500){
$amount1 = $rowData['video_count']*1.50;
$total_amt = $total_amt + $amount1;
} else
{
}
}
}
}
}
}
?>
</td>
<td><?php echo $rowData['is_redim']; ?></td>
</tr></tbody><?php }
echo $total_amt; ?></table><?php
}
?>
答案 2 :(得分：0)
最终代码对我有用。
<?php
// $totalamount1 = mysqli_fetch_array(mysqli_query($conn, 'SELECT SUM(video_count) as total From video_master Where is_redim="N" AND rec_id="'.$_SESSION['userid'].'"' ));
$amount_count = mysqli_query($conn, 'select video_count from video_master where is_redim="N" AND rec_id="'.$_SESSION['userid'].'"');
$total_amtt=0;
//$amount = 0;
if(mysqli_num_rows($amount_count)>0)
{
while($rowData = mysqli_fetch_array($amount_count))
{
// $amount = 0;
if($rowData['video_count'] < 250){
$amount1 = $rowData['video_count']*0;
//echo $amount1;
$total_amtt = $total_amtt + $amount1;
// echo $total_amtt;
}
else{
if($rowData['video_count'] <= 500){
$amount1 = $rowData['video_count']*0.25;
//echo $amount1;
$total_amtt = $total_amtt + $amount1;
// echo $total_amtt;
} else
{
if($rowData['video_count'] <= 750){
$amount1 = $rowData['video_count']*0.50;
//echo $amount1;
$total_amtt = $total_amtt + $amount1;
//echo $total_amtt;
} else
{
if($rowData['video_count'] <= 1000){
$amount1 = $rowData['video_count']*0.75;
//echo $amount1;
$total_amtt = $total_amtt + $amount1;
// echo $total_amtt;
} else
{
if($rowData['video_count'] <= 1250){
$amount1 = $rowData['video_count']*1;
//echo $amount1;
$total_amtt = $total_amtt + $amount1;
//echo $total_amtt;
} else
{
if($rowData['video_count'] < 1500){
$amount1 = $rowData['video_count']*1.50;
//echo $amount1;
$total_amtt = $total_amtt + $amount1;
} else
{
//$amount1 = 0;
}
}
}
}
}
}
}
echo $total_amtt;
}
?>