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

String

urlencode

'name=小明&sex=男'.urlencode
#=> "name%3D%E5%B0%8F%E6%98%8E%26sex%3D%E7%94%B7"

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"

to_size

45200455.to_size                    #=>"45.2 MB"

Random

###rand_str

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

Hash

###to_yaml

h = {package: 'com.xxx.yyy', appName: '哈哈'}
puts h.to_yaml
#=>.--- !ruby/object:Hash
#=>:appName: 哈哈
#=>:package: com.xxx.yyy

###kv_join

h = {:order => {"name" => "柳See测试。。。", "phone" => "1510000xxxx", "shipping_province" => "山东省", "shipping_city" => "枣庄市", "shipping_district" => "峄城区", "shipping_address" => "afsadfsd", "shipping_charge" => 9, "delivery_vendor" => "圆通", "pay_type" => "0", "comment" => "", "line_items_attributes" => {7174875524045 => {"product_id" => "69ec4fcb3450ebd81be117f1bd2df0f4", "product_prop_id" => "76b1b27af67021fe71001c9630056c7b", "quantity" => 1, "sale_price" => "169.0"}}}, :api_key => "dd432da4", :device_id => "20160602175425344_common"}
h.kv_join('=)
#=>name=柳See测试。。。phone=1510000xxxxshipping_province=山东省shipping_city=枣庄市shipping_district=峄城区shipping_address=afsadfsdshipping_charge=9delivery_vendor=圆通pay_type=0comment=product_id=69ec4fcb3450ebd81be117f1bd2df0f4product_prop_id=76b1b27af67021fe71001c9630056c7bquantity=1sale_price=169.0api_key=dd432da4device_id=20160602175425344_common

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

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