【textarea标签怎么使用】在HTML中，`` 标签用于创建多行文本输入框，用户可以在其中输入和编辑多行文字内容。它常用于表单中，比如留言、评论、文章编辑等场景。以下是对 `<textarea>` 标签的详细总结和用法说明。</p><p>一、基本语法</p><p>```html</p><p><textarea name="name" rows="rows" cols="cols"></p><p>默认文本内容</p><p>

```

- `name`：定义该文本域的名称，用于表单提交时识别数据。

- `rows`：设置文本域的行数（高度）。

- `cols`：设置文本域的列数（宽度）。

- 内部的文本为默认显示内容。

二、常用属性说明

三、示例代码

```html

```

在这个例子中，用户可以在多行文本框中输入留言，然后点击“提交”按钮将内容发送到服务器。

四、注意事项

1. 默认可以通过在 `` 标签内部插入文本实现，默认内容会显示在输入框中。</p><p>2. 样式控制：虽然 `rows` 和 `cols` 可以设置大小，但实际显示效果受浏览器和CSS影响较大，建议通过CSS进行更精确的控制。</p><p>3. 表单提交：`<textarea>` 的内容会被包含在表单提交的数据中，服务器端可通过 `$_POST['name']` 或类似方式获取。</p><p>五、表格总结</p><table><tbody><tr><td> 项目</td><td> 说明 </td></tr><tr><td> 标签名称</td><td> `<textarea>`</td></tr><tr><td> 功能</td><td> 多行文本输入框 </td></tr><tr><td> 常用属性</td><td> `name`, `rows`, `cols`, `value`, `disabled`, `readonly` </td></tr><tr><td> 默认内容</td><td> 写在标签内部的文本 </td></tr><tr><td> 表单提交</td><td> 随表单一起提交，需配合 `<form>` 使用 </td></tr><tr><td> 兼容性</td><td> 支持所有现代浏览器 </td></tr></tbody></table><p>通过合理使用 `<textarea>` 标签，可以增强网页的交互性和用户体验，尤其适用于需要用户输入较长文本的场景。</p><style>table,tr{width: 100%;text-align: center;color: #333;font-size: 16px;line-height: 1.8em;margin-bottom: 32px;border: 1px solid #333;empty-cells:show;}table tr th {border: 1px solid #333;text-align: center;font-weight: 600;background: #eee;}table tr td {border: 1px solid #333;text-align: center}</style> </div> </div> </div> <!--内容关联投票--> <div class="clear"></div> <div id="SGOContentPage" class="SiteGeneralContentPage" style="margin-top:15px;"></div> <div class="article_footer clearfix"> <div class="fr tag"> 标签： <a href="https://www.qdcygd.com/tag/textareabiaoqianzenmeshiyong/" target="_blank">textarea标签怎么使用</a> </div> </div> <div class="content_banquan"> <p><span class="strong">免责声明：本答案或内容为用户上传，不代表本网观点。其原创性以及文中陈述文字和内容未经本站证实，对本文以及其中全部或者部分内容、文字的真实性、完整性、及时性本站不作任何保证或承诺，请读者仅作参考，并请自行核实相关内容。 如遇侵权请及时联系本站删除。</span></p> </div> <script> if (isMobile()){ document.write('<div style="text-align:center;margin-top:10px;margin-left:-15px;"><script>wap_show_tag_under9();<\/script><\/div>'); 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