CoreExtend

gem主要包括数组的遍历、浮点数的小数点精度的确定、金钱显示、随机字符串等常用操作

Installation

Add this line to config/application.rb

require 'core_extend'

Add this line to your application's Gemfile:

gem 'core_extend'

And then execute:

$ bundle

Or install it yourself as:

$ gem install core_extend

Array

every

(1..20).to_a.every(3) { |a, b, c|
  p "#{a},#{b},#{c}"
}
#=>"1,2,3"
#=>"4,5,6"
#=>"7,8,9"
#=>"10,11,12"
#=>"13,14,15"
#=>"16,17,18"
#=>"19,20,"

Float

decimal_point

3.2268.decimal_point(2)
#=>3.23

to_money

123456789.456.to_money              #=>"123,456,789.46"
32005487.45.to_money('text')        #=>"3200.55万"
2332005487.45.to_money('text',4)    #=>"23.3201亿"
2332005487.45.to_money('text',0)    #=>"23亿"
2332005487.45.to_money('num',2)     #=>"2,332,005,487.45"
2332005487.45.to_money('num',0)     #=>"2,332,005,487"
1.to_money                          #=>"1.0"

Random

rand_str

str = Random.rand_str(32)
p str
#=>"tdb1hruwxd8p0z5qtdl7pvhva5uxbru9"

Development

After checking out the repo, run bin/setup to install dependencies. Then, run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release to create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

1. Fork it ( https://github.com/[my-github-username]/core_extend/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request