使用css样式更改php代码的字体


Changing the font of php code using css styling

代码:

<!DOCTYPE html>
<html>
<head>
<title>Greeting Service!</title>
<link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700' rel='stylesheet' type='text/css' />
<style type="text/css">
#name {
font-family: "Open Sans", sans-serif;
font-weight: 700;
}
#greet {
font-family: "Open Sans", sans-serif;
font-weight: 400;
}
</style>
</head>
<body>
<center>
<?php
if (isset($_POST['language'])) {
$language = $_POST['language'];
switch ($_POST['language']) {
case "option1":
$result = "Hello, {$_POST['name']}!"; 
break;
case "option2":
$result = "你好, {$_POST['name']}!"; 
break;
case "option3":
$result = "Bonjour, {$_POST['name']}!"; 
break;
}
echo $result;
} else {
?>
<form method="post" action="">
<h1 id="name">What's Your Name?</h1>
<input type="text" name="name" placeholder="Name Here" />
<h4 id="greet">Greet me in:
<select name="language">
<option value="option1">English</option>
<option value="option2">Chinese</option>
<option value="option3">French</option>
</select>
</h4>
<input type="submit" value="Greet Me!" />
</form>
</center>
<?php
}
?>
</body>
</html>

我不知道如何更改从文本框输出的"名称"的字体。是否可以在php代码中使用css样式?我想更改从文本框输出的文本的字体大小和字体系列。感谢

是的,你可以像对待任何立即应用的CSS样式一样这样做:

$result = "<p style="font-weight:val;font-family:val;">Hello, {$_POST['name']}!</p>"; 

您可以根据需要更改这些值,并且样式应该在echo输出时显示。

或者,正如下面所建议的,您可以用CSS包装$result,或者如果您想设置不同的值,您可以将它们应用于您的开关情况,如下所示:

switch ($_POST['language']) {
case "option1":
$result = "Hello, {$_POST['name']}!"; 
$style = 'font-weight:val;font-family:val';
break;
case "option2":
$result = "你好, {$_POST['name']}!"; 
$style = 'font-weight:val;font-family:val';
break;
case "option3":
$result = "Bonjour, {$_POST['name']}!";
$style = 'font-weight:val;font-family:val';
break;
}
echo '<p style="' . $style . '">' . $result . '</p>';
<!DOCTYPE html>
<html>
<head>
    <title>Greeting Service!</title>
    <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700' rel='stylesheet' type='text/css' />
    <style type="text/css">
        #name {
            font-family: "Open Sans", sans-serif;
            font-weight: 700;
            background-color: red;
        }
        #greet {
            font-family: "Open Sans", sans-serif;
            font-weight: 400;
        }
    </style>
</head>
<body>
    <center>
        <?php
        if (isset($_POST['language'])) {
        $language = $_POST['language'];
        switch ($_POST['language']) {
        case "option1":
        $result = "<p id='"name'">Hello, {$_POST['name']}!</p>"; 
        break;
        case "option2":
        $result = "<p id='"name'">你好, {$_POST['name']}!</p>"; 
        break;
        case "option3":
        $result = "<p id='"name'">Bonjour, {$_POST['name']}!</p>"; 
        break;
        }
        echo $result;
        } else {
        ?>
            <form method="post" action="">
            <h1 id="name">What's Your Name?</h1>
            <input type="text" name="name" placeholder="Name Here" />
            <h4 id="greet">Greet me in:
                <select name="language">
                    <option value="option1">English</option>
                    <option value="option2">Chinese</option>
                    <option value="option3">French</option>
                </select>
            </h4>
            <input type="submit" value="Greet Me!" />
            </form>
        <?php
        }
        ?>
    </center>
</body>
</html>