html page:
<!DOCTYPE HTML>
<html>
<head>
<meta charset=" utf-8">
</head>
<body>
<h1>score</h1>
< ;form action="work.php" method="post">
<input type="text" name="fs">
<input type="submit " value="Submit">
</form>
</body>
</html>
php page:
<?php
##$fs=$_POST['fs'];
echo $fs.'<br />';
if($fs >= 0 && $fs < 60 ){
echo 'failed';
}elseif($fs >= 60 && $fs < 70){
echo 'You passed, you have to work hard';
}else if($fs >= 70 && $fs < 80) {
echo 'Not bad';
}else if($fs >= 80 && $fs < 90){
echo 'There is hope for Tsinghua University' ;
}else if($fs >= 90 && $fs < 100){
echo 'Tsinghua University has a chance';
}elseif($ fs >= 100 ){
echo 'Einstein is reincarnated, Smecta';
}elseif(!is_numeric($fs) && $fs < 0){
echo 'Please enter the correct score';
}
?>
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
has been resolved!