[英]html form wont submit POST
我正在玩剪刀石頭布游戲來練習我的 html 和 php,一切都很好,直到我嘗試在POST
中提交用戶選擇的答案。 我一直在檢查,按下button
播放時沒有提交任何內容。
這是我的html
代碼:
<html>
<head>
<title>Oscar Felipe Ramírez Pardo</title>
<meta charset="UTF-8">
</head>
<body>
<h1>Rock Paper Scissors</h1>
<p>Welcome: <?=htmlentities($_GET['name'])?></p>
<forms method="POST">
<p>
<select name="option">
<option value="Select" checked>Select</option>
<option value="Rock">Rock</option>
<option value="Paper">Paper</option>
<option value="Scissors">Scissors</option>
<option value="Check">Check</option>
</select>
<input type="submit" value="Play" name="dopost">
<input type="button" value="Logout" name="logout"></p>
</forms>
<pre>
<?php
foreach($rslt as $k => $v){
echo $v."\n";
}
?>
</pre>
</body>
</html>
這是之前的 model 控件:
<?php
$rslt=array("Please select a strategy and press Play.");
$names=array("Rock","Paper","Scissors");
if(!isset($_GET['name'])) die("Name parameter missing");
if(isset($_POST['logout'])){
header("Location: login.php");
return;
}
function play($h){
$c=$names[rand(0,2)];
if($h===$c) $r="Tie";
else if($h==="Rock" && $c==="Scissors") $r="You win.";
else if($h==="Scissors" && $c==="Paper") $r="You win.";
else if($h==="Paper" && $c==="Rock") $r="You win.";
else $r="You lose.";
return "Your Play=$h Computer Play=$c Result=$r";
}
if(isset($_POST['option'])){
if($_POST['option']==="Select") $rslt=array("You must select a strategy in order to play.");
else if($_POST['option']==="Check"){
}
else{
$rslt=array(play($_POST['option']));
}
}
?>
按下此處顯示的任一按鈕時,我什么也得不到。 ,但源代碼顯示第一個 php 變量正在被識別。
我認為您將標簽<form>
拼錯了<forms>
並且您必須添加一個操作來指定您要調用的 php 頁面。
像這樣:
<form method="POST" action="test.php"> <p> <select name="option"> <option value="Select" checked>Select</option> <option value="Rock">Rock</option> <option value="Paper">Paper</option> <option value="Scissors">Scissors</option> <option value="Check">Check</option> </select> <input type="submit" value="Play" name="dopost"> <input type="button" value="Logout" name="logout"></p> </form>
不僅forms
錯了,你玩的時候也應該有一個未定義的錯誤。 在您的play
function 中添加global $names
。 並將結果添加到p
或其他標簽而不是textarea
更好閱讀
$rs = 1;
$rslt = "Please select a strategy and press Play.";
$names = array("Rock", "Paper", "Scissors");
if (!isset($_GET['name'])) die("Name parameter missing");
if (isset($_POST['logout'])) {
header("Location: login.php");
return;
}
function play($h)
{
global $names;
$c = $names[rand(0, 2)];
if ($h === $c) $r = "Tie";
else if ($h === "Rock" && $c === "Scissors") $r = "You win.";
else if ($h === "Scissors" && $c === "Paper") $r = "You win.";
else if ($h === "Paper" && $c === "Rock") $r = "You win.";
else $r = "You lose.";
return "Your Play=$h Computer Play=$c Result=$r";
}
if (isset($_POST['option'])) {
if ($_POST['option'] === "Select") $rslt = "You must select a strategy in order to play.";
else if ($_POST['option'] === "Check") {
} else {
$rslt = play($_POST['option']);
}
}
?>
<html>
<head>
<title>Oscar Felipe Ramírez Pardo</title>
<meta charset="UTF-8">
</head>
<body>
<h1>Rock Paper Scissors</h1>
<p>Welcome: <?= htmlentities($_GET['name']) ?></p>
<form method="POST">
<select name="option">
<option value="Select" >Select</option>
<option value="Rock">Rock</option>
<option value="Paper">Paper</option>
<option value="Scissors">Scissors</option>
<option value="Check">Check</option>
</select>
<input type="submit" value="Play" name="dopost">
<input type="button" value="Logout" name="logout">
<p style="font-family:monospace">
<p>
<?= $rslt ?>
</p>
</p>
</form>
</body>
</html>
我實際上也發現 Logout 按鈕不起作用,因為它的類型是button
而不是submit
因此帖子沒有提交並且isset($_POST['logout'])
從來沒有工作過。
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