21天 Ruby-------
最近一直忙着面试... 现在终于有时间来继续学习ruby了. http://www.agoit.com/images/smiles/icon_smile.gifruby中的条件语句
a = 8if a > 0puts "a > 0"elsif a < 0puts "a < 0"elseputs "a == 0"enda = 0str = if a > 0 then "a > 0"elsif a < 0 then "a < 0"else "a == 0"endputs stra = 0puts "a == 0g" if a == 0puts "a == 0h" unless a != 0a = 1case awhen -1 puts "a == -1"when 0 puts "a == 0"when 1 puts "a == 1"else puts "unknown"enda = "a"case awhen "a" puts "a == -1"when "b" puts "a == 0"when "c" puts "a == 1"else puts "unknown"enda = 3str = case awhen -10..-1 then "-10 < a < 0"when 0 then "a == 0"when 1..10 then "1 < a < 10"else "unknown"endputs str
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