名为的变量的PHP复选框从未选中
我正在用HTML/PHP开发一个商店网站,为了让人们检查他们想要购买的商品,我在每个产品中都放置了一个复选框,名称为“order_u(product_id)”。问题是,当我需要检查复选框是否被选中时,它永远不会被选中。我不确定我做错了什么。以下是生成复选框的代码:名为的变量的PHP复选框从未选中,php,html,checkbox,Php,Html,Checkbox,我正在用HTML/PHP开发一个商店网站,为了让人们检查他们想要购买的商品,我在每个产品中都放置了一个复选框,名称为“order_u(product_id)”。问题是,当我需要检查复选框是否被选中时,它永远不会被选中。我不确定我做错了什么。以下是生成复选框的代码: while ($i < $num_linhas) { $row = pg_fetch_row($result, $i); echo "<div class='product'>
while ($i < $num_linhas) {
$row = pg_fetch_row($result, $i);
echo "<div class='product'>
<h3>".$row[2]."</h3>
<img src='common/images/".$tipo_produto."/".$row[1].".jpg' alt='".$row[1]."'>
<br>";
if($_SESSION['tipo'] == "cliente")
{
echo '<form method="POST"><input type="checkbox" name="encomendar_'.$row[0].'"></form>Encomendar';
}
$i++;
echo "</div>";
}
while($i<$num\u linhas){
$row=pg_fetch_row($result,$i);
回声“
“$row[2]”
“;
如果($_会话['tipo']==“客户”)
{
回音“安可门达”;
}
$i++;
回声“;
}
以及检查是否已检查的代码(不同的脚本):
while($i<$num\u linhas)
{
$row=pg_fetch_row($result_1,$i);
如果(isset($_POST['encomendar.'.$row[0].']))
{
echo$行[0];
$query=“从biofood.encomenda中选择*”;
$result_2=pg_exec($conn,$query);
$num_linhas=pg_num_行($result_2);
$j=$num_linhas+1;
$t=时间();
$data=日期('y-m-d');
$hour=日期('H:i');
$id_客户=$_会话['id'];
$query=“插入biofood.encomenda(id、数据、hora、id_cliente、id_produto、estado)值(“$j.”、“$data.”、“$hour.”、“$id_cliente.”、“$row[0]”、“、”Não tratada“);
$result\u 3=pg\u exec($conn,$query);
}
$i++;
}
需要时不使用值检查
echo '<form method="POST"><input type="checkbox"
name="encomendar_'.$row[0].'" checked ></form>Encomendar';
}
echo'Encomendar';
}
需要时不使用值检查
echo '<form method="POST"><input type="checkbox"
name="encomendar_'.$row[0].'" checked ></form>Encomendar';
}
echo'Encomendar';
}
您必须为输入添加一个值
echo '<form method="POST"><input type="checkbox" name="encomendar_'.$row[0].'" value="$row[0]"></form>Encomendar';
echo'Encomendar';
比如说
之后,您将能够检查它是否已设置:
while($i < $num_linhas)
{
$row = pg_fetch_row($result_1, $i);
if(isset($_POST['encomendar_'.$row[0]]))
{
echo $row[0];
$query = "SELECT * from biofood.encomenda";
$result_2 = pg_exec($conn, $query);
$num_linhas = pg_num_rows($result_2);
$j = $num_linhas + 1;
$t = time();
$data = date('y-m-d');
$hour = date('H:i');
$id_cliente = $_SESSION['id'];
$query = "Insert into biofood.encomenda(id,data,hora,id_cliente,id_produto,estado) VALUES('".$j."','".$data."','".$hour."','".$id_cliente."','".$row[0]."','Não tratada')";
$result_3 = pg_exec($conn, $query);
}
$i++;
}
while($i<$num\u linhas)
{
$row=pg_fetch_row($result_1,$i);
如果(isset($\u POST['encomendar.'.$row[0]]))
{
echo$行[0];
$query=“从biofood.encomenda中选择*”;
$result_2=pg_exec($conn,$query);
$num_linhas=pg_num_行($result_2);
$j=$num_linhas+1;
$t=时间();
$data=日期('y-m-d');
$hour=日期('H:i');
$id_客户=$_会话['id'];
$query=“插入biofood.encomenda(id、数据、hora、id_cliente、id_produto、estado)值(“$j.”、“$data.”、“$hour.”、“$id_cliente.”、“$row[0]”、“、”Não tratada“);
$result\u 3=pg\u exec($conn,$query);
}
$i++;
}
您必须为输入添加一个值
echo '<form method="POST"><input type="checkbox" name="encomendar_'.$row[0].'" value="$row[0]"></form>Encomendar';
echo'Encomendar';
比如说
之后,您将能够检查它是否已设置:
while($i < $num_linhas)
{
$row = pg_fetch_row($result_1, $i);
if(isset($_POST['encomendar_'.$row[0]]))
{
echo $row[0];
$query = "SELECT * from biofood.encomenda";
$result_2 = pg_exec($conn, $query);
$num_linhas = pg_num_rows($result_2);
$j = $num_linhas + 1;
$t = time();
$data = date('y-m-d');
$hour = date('H:i');
$id_cliente = $_SESSION['id'];
$query = "Insert into biofood.encomenda(id,data,hora,id_cliente,id_produto,estado) VALUES('".$j."','".$data."','".$hour."','".$id_cliente."','".$row[0]."','Não tratada')";
$result_3 = pg_exec($conn, $query);
}
$i++;
}
while($i<$num\u linhas)
{
$row=pg_fetch_row($result_1,$i);
如果(isset($\u POST['encomendar.'.$row[0]]))
{
echo$行[0];
$query=“从biofood.encomenda中选择*”;
$result_2=pg_exec($conn,$query);
$num_linhas=pg_num_行($result_2);
$j=$num_linhas+1;
$t=时间();
$data=日期('y-m-d');
$hour=日期('H:i');
$id_客户=$_会话['id'];
$query=“插入biofood.encomenda(id、数据、hora、id_cliente、id_produto、estado)值(“$j.”、“$data.”、“$hour.”、“$id_cliente.”、“$row[0]”、“、”Não tratada“);
$result\u 3=pg\u exec($conn,$query);
}
$i++;
}
查看更简单的工作方式..查看更简单的工作方式..我尝试了这个方法,但仍然不起作用:C还有其他建议吗?我还删除了您第[0]行后面的相关引号。我今晚会考虑的我试过了,但仍然不起作用:C还有其他建议吗?我还删除了第[0]行后面的相关引号。我今晚会考虑的