为什么在textarea中显示编辑内容时，开头总有6个多的空格

Question

在sinaappengine上用php写自己的博客程序。在创建或更新文章时，用textarea来容放文章内容，暂时以纯文本的形式将文章内容保存到数据库。表单是这样的(在write_article.php中)：

Answer 1

你后面有空格和换行，所以会这样。内容顶着<textarea>写，<pre><pre>保存的时候用$content=trim($_POST["article_text"]);<pre><pre>就可以了~<pre><pre>
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                                                                                                                <span class="time r">2019-04-09</span>
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                                <pre>改成：<pre><pre><textarearows="20"cols="80"name="article_text"><?phpif($op=="update"){echo$content;}?>
注意textarea中不要有任何多余的东西，你原来的代码里有换行和空格。