Class: Random
- Inherits:
-
Object
- Object
- Random
- Defined in:
- lib/core_extend/random.rb
Class Method Summary collapse
-
.rand_str(length) ⇒ Object
随机长度的字符串.
Class Method Details
.rand_str(length) ⇒ Object
随机长度的字符串
4 5 6 |
# File 'lib/core_extend/random.rb', line 4 def self.rand_str(length) length.times.inject('') { |acc, i| acc+=(('a'..'z').to_a+('0'..'9').to_a)[(i+Random.rand(1000))%36]; acc } end |