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javascript - 使帮助文本显示在 MDC 文本字段下方

转载 作者:太空宇宙 更新时间:2023-11-04 06:30:55 24 4
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我遇到一个问题,文本字段的帮助文本没有出现在文本字段下方。它出现在最左边。

enter image description here

其实应该是下图这样的:

enter image description here

我的页面的 HTML 和 CSS 如下:

html, body {
height: 100%;
}

html {
display: table;
width: 100%;
}

body {
display: table-cell;
text-align: center;
vertical-align: middle;
}

.container {
display: flex;
flex-direction: column;
}

.container > div {
padding: 10px;
}

.button-container button {
margin-right: 30px;
margin-top: 10px;
}


<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Auth.X</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700">
<link rel="stylesheet" href="https://unpkg.com/material-components-web@latest/dist/material-components-web.min.css">
<link rel="stylesheet" href="./employment.css">
</head>

<body>

<div class="container">
<div class="test-container">
<div class="mdc-text-field mdc-text-field--outlined test">
<input type="text" id="tf-outlined-test" class="mdc-text-field__input">
<div class="mdc-notched-outline">
<div class="mdc-notched-outline__leading"></div>
<div class="mdc-notched-outline__notch">
<label for="tf-outlined-test" class="mdc-floating-label">Test Field</label>
</div>
<div class="mdc-notched-outline__trailing"></div>
</div>
</div>
<div class="mdc-text-field-helper-line">
<div class="mdc-text-field-helper-text">helper text</div>
</div>
</div>

</div>

<script src="https://unpkg.com/material-components-web@latest/dist/material-components-web.min.js"></script>

<script>
mdc.textField.MDCTextField.attachTo(document.querySelector('.mdc-text-field.mdc-text-field--outlined.test'));

</script>

</body>

我哪里错了?

最佳答案

您需要将 align-items:center; 添加到您的 .container 元素。这会使 flex 元素居中,而不会将它们拉伸(stretch)到 flex 容器的大小。

或者 align-items:flex-start;align-items:flex-end; 将 flex 元素定位在 flex 的开始或结束容器。以防万一您正在寻找不同的定位。

html, body {
height: 100%;
}

html {
display: table;
width: 100%;
}

body {
display: table-cell;
text-align: center;
vertical-align: middle;
}

.container {
display: flex;
flex-direction: column;
align-items:center;
}

.container > div {
padding: 10px;
}

.button-container button {
margin-right: 30px;
margin-top: 10px;
}
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Auth.X</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.0/normalize.min.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700">
<link rel="stylesheet" href="https://unpkg.com/material-components-web@latest/dist/material-components-web.min.css">
<link rel="stylesheet" href="./employment.css">
</head>

<body>

<div class="container">
<div class="test-container">
<div class="mdc-text-field mdc-text-field--outlined test">
<input type="text" id="tf-outlined-test" class="mdc-text-field__input">
<div class="mdc-notched-outline">
<div class="mdc-notched-outline__leading"></div>
<div class="mdc-notched-outline__notch">
<label for="tf-outlined-test" class="mdc-floating-label">Test Field</label>
</div>
<div class="mdc-notched-outline__trailing"></div>
</div>
</div>
<div class="mdc-text-field-helper-line">
<div class="mdc-text-field-helper-text">helper text</div>
</div>
</div>

</div>

<script src="https://unpkg.com/material-components-web@latest/dist/material-components-web.min.js"></script>

<script>
mdc.textField.MDCTextField.attachTo(document.querySelector('.mdc-text-field.mdc-text-field--outlined.test'));

</script>

</body>

关于javascript - 使帮助文本显示在 MDC 文本字段下方,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54697976/

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