a.php
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8"/>
</head>
<body>
<h1>請輸入五個小孩的成績,用空格隔開</h1>
<form action="b.php" method="post">
<input type="text" name="grade"/>
<input type="submit" value="開始統計"/>
</form>
</body>
</html>
<a target="_blank" href="http://blog.51cto.com/attachment/201308/223924477.jpg"></a>
b.php
<?php
//接收使用者送出的學生的成績!
$grades=$_REQUEST['grade'];
//echo 'grade='.$grades;
//拆分,對成績進行分割
$grades=explode(" ",$grades);
$allGrades=0;
//周遊
foreach($grades as $k=>$v){
$allGrades+=$v; //隐藏轉換 string->float
echo $allGrades;
}
echo "平均時間是=".$allGrades/count($grades);
?>
<a target="_blank" href="http://blog.51cto.com/attachment/201308/224003611.jpg"></a>
本文轉自 gjp0731 51CTO部落格,原文連結:http://blog.51cto.com/guojiping/1283889