#键值对 mvp_rank={ "curry"=>28.1, "harden"=>30.3, "lebron"=>26 } puts mvp_rank puts mvp_rank["harden"] player={ name:"harden", age:28, point:30.3 } puts player puts player[:name]+","+player[:age].to_s+","+player[:point].to_s
输出如下
原文：https://www.cnblogs.com/1521681359qqcom/p/12524068.html