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这是我创建的用于删除条目MySQL数据库的示例删除代码。当我执行此代码时,显示成功消息,但条目不会从数据库中删除。记录保存跟踪在“事件”表“身份证”此示例删除代码不会从数据库中删除项目
<?php
require 'dbconnect.php';
session_start();
$id=$_SESSION['id'];
$id = "0";
if (!empty($_GET['id'])) {
$id = $_REQUEST['id'];
}
if (!empty($_POST)) {
// keep track post values
$id = $_POST['id'];
// delete data
$sql="DELETE * FROM events WHERE events.id='$id'"; //mysqli query
$result=mysqli_query($conn,$sql); //connection string and mysqli query variable
if($result==true)
{
echo "<script type='text/javascript'>alert('successfully DELETED!')</script>"; // javascript message for Successful delete
echo "<script>setTimeout(\"location.href = 'list_events.php';\",15);</script>"; // return page
}
else
{
echo "<script type='text/javascript'>alert('failed to DELETE RETRY!')</script>"; //failed to delete message
echo "<script>setTimeout(\"location.href = 'list_events.php';\",15);</script>"; //return page
}
header("Location: list_events.php"); // header page
}
?>
尝试'删除而不是FROM''DELETE * FROM' – Rickkwa
你确定了'id'你表中是否存在设置?如果元素不存在,DELETE语句不会返回false,我相信.. – scoots