1
你好我試圖刪除下拉列表中選擇哪個值。值不會被刪除在PHP表中?
我似乎明白了什麼是對
要去我有我的連接和功能2 1頁以查看在下拉表(工作)和刪除功能(這似乎不工作),另一個調用函數並刪除選定的值。
connection.php
<?php
//Connect to the database
function getSQLConnection() {
$mysqlConnection = new PDO('mysql:host=localhost;dbname=isad235_100000', "root", "");
return $mysqlConnection;
}
//Get all results from members table
function getResults($tablename) {
$sql = "SELECT * FROM " . $tablename;
$mysqlConnection = getSQLConnection();
$ResultSet = $mysqlConnection->query($sql);
return $ResultSet;
}
//Delete results from members table
function deleteValue($id) {
$sql = "DELETE FROM members WHERE member_id = '$id'";
$mysqlConnection = getSQLConnection();
$ResultSetting = $mysqlConnection->query($sql);
return $ResultSetting;
}
?>
delete.php
<?php
include_once 'connection.php';
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Add</title>
</head>
<body>
<h1> Delete a Member from the Members Table. </h1>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method='post'>
Delete Member:
<select name='members' value='members'id="Mmembers">
<?php
$results = getResults('members');
if ($results) {
foreach ($results as $row) {
echo '<option value="' . $row['member_id'] . '">' . $row['name'] . '</option>';
}
}
else
echo '<option value="0"0"> No Data</option>';
?>
</select>
<input type="submit" id="delete" value="Delete"/>
<br/>
<br/>
</form>
<?php
if (isset($_POST['members'])) {
$ResultSetting = deleteValue(($_POST['members']));
}
?>
<br/>
<br/>
<form action='index.php' method='GET'>
Go Back:
<input type="submit" name="submit" value="Return"/>
</form>
<br/>
</body>
</html>
不工作意味着你得到錯誤?或查詢不會刪除該行? 將此放在腳本的開頭: error_reporting(E_ALL | E_STRICT); ini_set('display_errors',true); – Matthew
表單數據是否發送到此函數?似乎你只是發送數據到index.php,然後從那裏沒有任何反應? – gorgi93
它沒關係,我得到它的工作!這是函數的命名部分中的一個小錯誤:) –