截断 rails 中的句子？

Question

我有一个助手可以用来截断 Rails 中的字符串，当我截断以句号结尾的句子时，它的效果很好。我应该如何修改代码以在句子以问号或感叹号结尾时也将其截断？

def smart_truncate(s, opts = {})
    opts = {:words => 12}.merge(opts)
    if opts[:sentences]
      return s.split(/\.(\s|$)+/).reject{ |s| s.strip.empty? }[0, opts[:sentences]].map{|s| s.strip}.join('. ') + '...'
    end
    a = s.split(/\s/) # or /[ ]+/ to only split on spaces
    n = opts[:words]
    a[0...n].join(' ') + (a.size > n ? '... (more)' : '')
end

谢谢！！！

Answer 1

你有truncate method

'Once upon a time in a world far far away'.truncate(27, separator: /\s/, ommission: "....")

这将 return "Once upon a time in a..."

如果您需要按字数截断，请使用新引入的 truncate_words（自 Rails 4.2.2 起）

'And they found that many people were sleeping better.'.truncate_words(5, omission: '... (continued)')

哪个return

"And they found that many... (continued)"

截断 rails 中的句子？

Truncate sentences in rails?

ruby

string

truncate

ruby-on-rails