Ruby on rails 散列数组,如何添加新元素?
我有这样一个元素Ruby on rails 散列数组,如何添加新元素?,ruby-on-rails,ruby,Ruby On Rails,Ruby,我有这样一个元素 customers = [{ name: 'John Doe', age: 30, height: 175 }, { name: 'John Doe', age: 30, height: 175 } ... etc] 我知道这是一个简单的问题,但我如何才能将另一个客户添加到此元素中。即 {name: 'Jane' , age: 25, height 150 } 提前谢谢 使用电铲方法: customers = [{ name: 'John Doe', age: 30,
customers = [{ name: 'John Doe', age: 30, height: 175 }, { name: 'John Doe', age: 30, height: 175 } ... etc]
我知道这是一个简单的问题,但我如何才能将另一个客户添加到此元素中。即
{name: 'Jane' , age: 25, height 150 }
提前谢谢 使用
电铲方法:
customers = [{ name: 'John Doe', age: 30, height: 175 }, { name: 'John Doe', age: 30, height: 175 }]
new_customer = {name: 'Jane' , age: 25, height: 150 }
customers << new_customer
=> [{:name=>"John Doe", :age=>30, :height=>175}, {:name=>"John Doe", :age=>30, :height=>175}, {:name=>"Jane", :age=>25, :height=>150}]
customers=[{name:'johndoe',年龄:30,身高:175},{name:'johndoe',年龄:30,身高:175}]
新客户={姓名:'Jane',年龄:25岁,身高:150}
客户[{:姓名=>“约翰·多伊”,:年龄=>30,:身高=>175},{:姓名=>“约翰·多伊”,:年龄=>30,:身高=>175},{:姓名=>“简”,:年龄=>25,:身高=>150}]
使用电铲
方法:
customers = [{ name: 'John Doe', age: 30, height: 175 }, { name: 'John Doe', age: 30, height: 175 }]
new_customer = {name: 'Jane' , age: 25, height: 150 }
customers << new_customer
=> [{:name=>"John Doe", :age=>30, :height=>175}, {:name=>"John Doe", :age=>30, :height=>175}, {:name=>"Jane", :age=>25, :height=>150}]
customers=[{name:'johndoe',年龄:30,身高:175},{name:'johndoe',年龄:30,身高:175}]
新客户={姓名:'Jane',年龄:25岁,身高:150}
客户[{:姓名=>“约翰·多伊”,:年龄=>30,:身高=>175},{:姓名=>“约翰·多伊”,:年龄=>30,:身高=>175},{:姓名=>“简”,:年龄=>25,:身高=>150}]
手册可能会有帮助:手册可能会有帮助:dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd。如果时间允许,我会接受的。any?
方法似乎最适合这种情况<代码>客户。有吗?{| customer | customer['name']=“Jane”}
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd。如果时间允许,我会接受的。any?
方法似乎最适合这种情况<代码>客户。有吗?{|客户|客户['name']=“Jane”}