html - rails : Converting a text field's linebreaks into <br/>

Question

我的模型中有一个名为“about”的文本字段，我试图在显示页面上显示它，但没有正确显示换行符。

我已经尝试了很多东西，但我最终找到的代码是:

<%= (h @template.about).gsub("\n", "<br />") %>

不幸的是，Rails 似乎正在转义所需的 HTML 并将这些换行符输出为

Thanks for the fish, guys! Not like I wanted it, but... uh... thanks? <br />

如何正确地将文本字段的“\n”换行符转换为实际的换行符 HTML？我也已经尝试过简单格式，但无济于事......

我正在使用 Rails 3，“about”的前几行是:

Thanks for the fish, guys! Not like I wanted it, but... uh... thanks?
"I'll be the judge of that," he said!
And now, more useless copy so I can isolate that weird bud that Amanda found.
Wait! I meant 'weird bug...'

Answer 1

尝试

<%= simple_format @template.about %>

http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format

它对我有用:-\

1.9.3p194 :017 > str = "Thanks for the fish, guys! Not like I wanted it, but... uh... thanks? 
1.9.3p194 :018"> \"I'll be the judge of that,\" he said! 
1.9.3p194 :019"> And now, more useless copy so I can isolate that weird bud that Amanda found. 
1.9.3p194 :020"> Wait! I meant 'weird bug..."
 #=> "Thanks for the fish, guys! Not like I wanted it, but... uh... thanks? \n\"I'll be the judge of that,\" he said! \nAnd now, more useless copy so I can isolate that weird bud that Amanda found. \nWait! I meant 'weird bug..."


1.9.3p194 :021 > simple_format str
 #=> "<p>Thanks for the fish, guys! Not like I wanted it, but... uh... thanks? \n<br />\"I'll be the judge of that,\" he said! \n<br />And now, more useless copy so I can isolate that weird bud that Amanda found. \n<br />Wait! I meant 'weird bug...</p>"

或使用gsub

1.9.3p194 :022 > str.gsub("\n", "<br />") 
 #=> "Thanks for the fish, guys! Not like I wanted it, but... uh... thanks? <br />\"I'll be the judge of that,\" he said! <br />And now, more useless copy so I can isolate that weird bud that Amanda found. <br />Wait! I meant 'weird bug..."