0 我希望<textarea>具有100％的高度和宽度，并考虑任何边距/填充。textarea边距内的CSS宽度为100％ 这是fiddle，正如你所看到的，<textarea>似乎包括了利润率。 来源 2014-05-06 Max Kielland +0 铬在Chrome中看起来不太好，''实际上走出了边界。 – <span class="text-secondary"> <small> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/1276639/">PhistucK</a></span> <span></span> </small> </span> </p> </div> </div> </div> </div> </div> </article> </div> <div class="answer-title"> <span class="text-logo margin-top-sm">A</span> <h2 class="title h4">回答</h2> </div> <div class="item-description text-md markdown-body margin-bottom-40 voidso"> <article class="board-top-1 padding-top-10"> <div class="post-col vote-info"> <span class="count">2<i class="fa fa-thumbs-up"></i></span> <i class="fa fa-check fa-2x"></i> </div> <div class="post-offset"> <div class="answer fmt"> <p>在textarea的CSS补充一点：<code class="prettyprint-override">box-sizing: border-box;</code></p> </div> <div class="post-info"> <div class="post-meta row"> <p class="text-secondary col-lg-6"> <span class="source"> <a rel="noopener" target="_blank" href="https://stackoverflow.com/q/23504145">来源</a> </span> </p> <p class="text-secondary col-lg-6"> <span class="float-right date"> <span>2014-05-06 20:19:44</span> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/3415049/">Vinm</a></span> </p> <p class="col-12"></p> <p class="col-12"></p></div> </div> <!-- comments --> <div class="comments"> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">虽然这不会考虑'margin“，但只适用于'padding'。 – <span class="text-secondary"> <small> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/1276639/">PhistucK</a></span> <span></span> </small> </span> </p> </div> </div> </div> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">我在textarea的CSS和繁荣中加入了这个功能，即使在调整对话框的大小时也是如此。 – <span class="text-secondary"> <small> <span></span> </small> </span> </p> </div> </div> </div> </div> </div> </article> <div> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-6208739752673518" data-ad-slot="1038284119" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> <article class="board-top-1 padding-top-10"> <div class="post-col vote-info"> <span class="count">1<i class="fa fa-thumbs-up"></i></span> </div> <div class="post-offset"> <div class="answer fmt"> <p>我会建议使用在你的CSS文件的顶部验证码：</p> <pre><code class="prettyprint-override">/* apply a natural box layout model to all elements */ *, *:before, *:after { -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; } </code></pre> <p>它应该使用CSS浆纱舒服很多你的。请参阅<a href="http://jsfiddle.net/9t2Y6/" rel="nofollow">this edited jsfiddle</a>以了解其工作原理。</p> <p>有关进一步的参考和信息，请阅读<a href="http://www.paulirish.com/2012/box-sizing-border-box-ftw/" rel="nofollow">this article</a>。</p> </div> <div class="post-info"> <div class="post-meta row"> <p class="text-secondary col-lg-6"> <span class="source"> <a rel="noopener" target="_blank" href="https://stackoverflow.com/q/23504193">来源</a> </span> </p> <p class="text-secondary col-lg-6"> <span class="float-right date"> <span>2014-05-06 20:27:15</span> <a rel="noopener" target="_blank" href="https://stackoverflow.com/users/1284594/">loafer</a></span> </p> <p class="col-12"></p> <p class="col-12"></p></div> </div> <!-- comments --> <div class="comments"> <div itemprop="comment" class="post-comment"> <div class="row"> <div class="col-lg-1"><span class="text-secondary">+0</span></div> <div class="col-lg-11"> <p class="commenttext">有趣的文章和小提琴看起来很棒，直到我拖动和调整窗口的大小，然后textarea再次弹出。 – <span class="text-secondary"> <small> <span></span> </small> </span> </p> </div> </div> </div> </div> </div> </article> </div> <div class="clearfix"> </div> <div class="relative-box"> <div class="relative">相关问题</div> <ul class="relative_list"> <li> 1. <a href="http://www.uwenku.com/question/p-msqhtplq-vt.html" target="_blank" title="CSS设置Textarea宽度为100％"> CSS设置Textarea宽度为100％ </a> </li> <li> 2. <a href="http://www.uwenku.com/question/p-qwppdsvy-nh.html" target="_blank" title="包含边距的100％宽度的div"> 包含边距的100％宽度的div </a> </li> <li> 3. <a href="http://www.uwenku.com/question/p-nupxspbg-qn.html" target="_blank" title="宽度：100％延伸到边框 - 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铬在Chrome中看起来不太好，'