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PHP $_GET/$_POST提交

2016-07-08 09:58 666 查看
<!--get请求-->
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>get提交</title>
</head>
<body>
<form action="hello.php" method="get">
<input type="text" name="name"/>
<input type="submit"/>
</form>
</body>
</html>


<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>get提交</title>
</head>
<body>
<?php
if(isset($_GET['name'])&&$_GET['name']){
echo "hello".$_GET['name'];
}else{
echo '请输入名字';
}
?>
</body>
</html>


=======================================================================================================

<!--post请求-->
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>相加</title>
</head>
<body>
<form action="add.php" method="post">

a:<input type="text" name="a"/><br/>
b:<input type="text" name="b"/><br/>
<input type="submit"/>
</form>
</body>
</html>


<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>相加</title>
</head>
<body>
<?php
if($_POST['a']&&$_POST['b']){
echo $_POST['a']+$_POST['b'];
}else{
echo '请输入数字';
}
?>
</body>
</html>
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