# !/usr/bin/ruby -w

# -*- encoding:utf-8 -*-

# filename: main.rb

# author: 简单教程(www.twle.cn)

# Copyright © 2015-2065 www.twle.cn. All rights reserved.

​

cnt = 0

for i in 0..3

    puts "局部变量的值为 #{i}"

    if i < 3 and cnt < 2 then

       cnt += 1

       redo

    end

end

​

puts "cnt = #{cnt}"