无详细内容 ?phpheader('Content-Type:text/html;charset=utf-8');$locahost="localhost";$name="root";$password="root";$dbname='test';$con=mysql_connect($locahost,$name,$password,$dbname);if (!$con) { die('链接失败'.mysql_error());}mysql_select
<?php
header('Content-Type:text/html;charset=utf-8');
$locahost="localhost";
$name="root";
$password="root";
$dbname='test';
$con=mysql_connect($locahost,$name,$password,$dbname);
if (!$con) {
die('链接失败'.mysql_error());
}
mysql_select_db("test",$con);
if (isset($_POST['submit'])) {
if (empty($_POST['title'])) {
echo "<script>alert('请输入标题');</script>";
exit(0);
}
if (empty($_POST['count'])) {
echo "<script>alert('请输入计算');</script>";
exit(0);
}
if (strlen($_POST['title'])<2||strlen($_POST['count'])>10) {
echo "<script>alert('题目2到10之间');</script>";
return true;
}
// 添加数据
$sql="insert into ji(title,count)values('$_POST[title]','$_POST[count]')";
$reqult=mysql_query($sql);
if (!$reqult) {
die('Error:'.mysql_error());
}
echo "添加成功";
mysql_close($con);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form action="jifen.php" method="post">
标题：<input type="text" name="title">
计算：<input type="text" name="count">
<input type="submit" name="submit">
</form>
</body>
</html>
![[Web-Frontend] Node.js-Schnellstart](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
