如何在Rails中生成随机字符串

Question

In my form i want to generate random strings for the following fields 在我的表格中，我想为以下字段生成随机字符串

  f.input :lti_api_key, label: "LTI API KEY"
    f.input :lti_api_secret, label: "LTI API SECRET"

how can i do that? 我怎样才能做到这一点？ Please help me... 请帮我...

Answer 1

您可以这样输入f.input

<%= f.text_field :name, id: :bug_name, value: "#{SecureRandom.hex(64)}" %>

Answer 2

Hello you can do that: 您好，您可以这样做：

require 'securerandom'
SecureRandom.hex(64)

Answer 3

Take a look at the string_pattern gem project: https://github.com/MarioRuiz/string_pattern 看一下string_pattern gem项目： https : //github.com/MarioRuiz/string_pattern

To install it: gem install string_pattern 要安装它： gem install string_pattern

This is an example of use: 这是一个使用示例：

require 'string_pattern'
# four characters. optional: capitals and numbers, required: lower
"4:XN/x/".gen    # aaaa, FF9b, j4em, asdf, ADFt