html文本框怎么设置只读

发布时间：2025-11-19 12:25:40作者：liuyi很安静

【html文本框怎么设置只读】在网页开发中，有时我们需要让某些输入框（即文本框）在用户界面中显示为只读状态，防止用户进行编辑。HTML 提供了简单的方法来实现这一功能，本文将对如何设置 HTML 文本框为只读状态进行总结，并以表格形式展示相关代码和说明。

一、

在 HTML 中，可以通过 `readonly` 属性来设置文本框为只读状态。该属性是一个布尔属性，只要在 `` 或 `` 标签中添加 `readonly`，即可实现只读效果。与 `disabled` 属性不同的是，`readonly` 不会禁用表单提交，但用户无法修改内容。这种方式常用于展示信息或限制用户输入的场景。</p><p>二、设置方法对比表</p><table><tbody><tr><td> 方法 </td><td> 适用标签 </td><td> 属性名称 </td><td> 是否允许提交 </td><td> 是否可编辑 </td><td> 示例代码 </td></tr><tr><td> 使用 `readonly` 属性 </td><td> `<input>` 或 `<textarea>` </td><td> `readonly` </td><td> ✅ 允许提交 </td><td> ❌ 不可编辑 </td><td> `<input type="text" readonly value="只读内容">` </td></tr><tr><td> 使用 `disabled` 属性 </td><td> `<input>` 或 `<textarea>` </td><td> `disabled` </td><td> ❌ 不允许提交 </td><td> ❌ 不可编辑 </td><td> `<input type="text" disabled value="不可编辑">` </td></tr></tbody></table><p>三、注意事项</p><p>- `readonly` 和 `disabled` 都可以阻止用户输入，但它们的行为有区别：</p><p>- `readonly` 的字段仍然可以被提交到服务器。</p><p>- `disabled` 的字段不会被提交。</p><p>- 如果希望用户看到内容但不能更改，推荐使用 `readonly`。</p><p>- 在表单验证中，需注意 `readonly` 字段是否会影响提交逻辑。</p><p>通过以上介绍，你可以轻松地在 HTML 页面中设置文本框为只读状态，从而提升用户体验和数据安全性。</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 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.qlshbnews.com/tag/htmlwenbenkuangzenmeshezhizhidu/" target="_blank">html文本框怎么设置只读</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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