将数据从HTML输入保存到数据库


Saving data to Database from HTML Input

我上次提问已经很久了。我有一个HTML用户界面,其中包含来自用户的输入,我想将此输入插入数据库。它不起作用,我不知道为什么。。。我在这里使用了很多提示,但仍然没有。

<form action = ".'addProduct.php" method="post">
    <div id="AddProduct" class = "w3-container list w3-animate-left">
        <h2>Add Product</h2>
        ID: <br>
        <input type = "text" name = "ID"/><br>
        CName: <br>
        <input type = "text" name = "CName"/><br>
        <br>
        <input type = "submit" value = "Add"/><br>
    </div>
</form>
<?php
// MY PHP CODE
if(isset($_REQUEST['Add'])) {
    $SQL = "USE sales;"
    $SQL = "INSERT INTO customers(ID, CName) values('" . $_POST["ID"] . "', '". $_POST["CName"] . "')";
    $result = mysql_query($SQL);
}
?>

使用mysqli而不是mysql。在将用户输入到数据库之前,还要对其进行清理。

<form action = "addProduct.php" method="post">
<div id="AddProduct" class = "w3-container list w3-animate-left">
    <h2>Add Product</h2>
        ID: <br>
        <input type = "text" name = "ID"/><br>
        CName: <br>
        <input type = "text" name = "cName"/><br>
        <br>
        <input type = "submit" name = "Add" value = "Add"/><br>
</div>
</form>

<?php
if(isset($_POST['Add']))
{
$cID = $_POST['ID'];
$cName = $_POST['cName'];
$SQL = "INSERT INTO customers(ID, CName) values('$cID', '$cName')";
$result = mysqli_query($conn,$SQL);
}
?>