```

- `rows`：定义文本框的行数。

- `cols`：定义文本框的列数（字符数）。

- 内容默认显示在 `` 标签之间。</p><p>四、textbox多行文本框的常见属性</p><table><tbody><tr><td> 属性 </td><td> 说明 </td></tr><tr><td> `rows` </td><td> 设置文本框的高度（行数） </td></tr><tr><td> `cols` </td><td> 设置文本框的宽度（字符数） </td></tr><tr><td> `placeholder` </td><td> 提示用户输入的内容 </td></tr><tr><td> `disabled` </td><td> 禁用文本框 </td></tr><tr><td> `readonly` </td><td> 设置只读状态 </td></tr><tr><td> `maxlength` </td><td> 限制最大输入字符数 </td></tr></tbody></table><p>五、textbox多行文本框的优缺点</p><table><tbody><tr><td> 优点 </td><td> 缺点 </td></tr><tr><td> 支持多行输入，适合长文本 </td><td> 不支持富文本格式（如加粗、颜色等） </td></tr><tr><td> 简单易用，兼容性好 </td><td> 无法直接嵌入HTML内容 </td></tr><tr><td> 可通过CSS自定义样式 </td><td> 需要额外处理换行符和空格 </td></tr></tbody></table><p>六、总结</p><p>“textbox多行文本框”是前端开发中不可或缺的元素之一，适用于多种需要输入多行文本的场景。虽然它在功能上不如富文本编辑器强大，但其简单、高效、兼容性强的特点，使其在许多实际应用中仍然非常受欢迎。开发者可以根据具体需求选择是否使用 `<textarea>` 或引入更复杂的富文本编辑器（如 TinyMCE、Quill 等）。</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="http://www.123jzs.com/tag/textboxduoxingwenbenkuang/" target="_blank">textbox多行文本框</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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