在文本区域中解析换行符,而不允许所有的html标签 [英] Parsing newline characters in textareas without allowing all html tags

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本文介绍了在文本区域中解析换行符,而不允许所有的html标签的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我有一个textarea字段,用户可以在其中输入内容。当在页面上显示他们的条目时,rails会为每个换行符返回 \\\
,对于页面上的html而言,它不会出现任何中断。

I have a textarea field where users can enter content. When it comes to displaying their entry on a page, rails returns \n for each line break, which appears as no break at all for html on the page.

从我收集的内容来看,标准的方法是一个 .gsub 命令,替换 \\\
< br /> ,然后一个 .html_safe 结束以确保< br /> 呈现。

From what I gather, the standard way of getting around this is a .gsub command, replacing \n with <br />, and then a .html_safe on the end to ensure the <br /> renders.

问题是,我不想要html_safe的内容 - html应该仍然被替换,但< br /> 标签应该被注入到(非转义)内容。

The problem is, I don't want to html_safe the content - html should still be replaced, but <br /> tags should be injected into the (non-escaped) content.

建议赞赏。

推荐答案

simple_format 方法适用于格式化换行符。它将文本块包裹在< p> 标签中,并将换行符转换为换行符(< br> ) (双重换行将以下文本分为第二段)。

The simple_format method is good for formatting line breaks. It wraps text blocks in <p> tags, and converts newline characters into line breaks (<br>) (double newlines breaks the following text into a second paragraph).

然而,它不会转义其他html字符,而只是允许它们。对于您在 simple_format 以及 sanitize 应该做得很好。尝试使用这个:

It doesn't however escape other html characters, and instead just allows them. For what you're after a combination of simple_format along with sanitize should do nicely. Try using this:

<%= raw sanitize(simple_format(@ article.body))::tags =>%w ))%>

这篇关于在文本区域中解析换行符,而不允许所有的html标签的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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