for语句语法:
for variable [, variable ...] in expression [do]
code
end
例:
代码运行结果如下图:
*
**
***
****
*****
******
【注】语法摘自菜鸟教程 详情请点击 http://www.runoob.com/ruby/ruby-loop.html
for语句语法:
for variable [, variable ...] in expression [do]
code
end
例:
代码运行结果如下图:
*
**
***
****
*****
******
【注】语法摘自菜鸟教程 详情请点击 http://www.runoob.com/ruby/ruby-loop.html