我正在尝试实施money-rails,但遇到了以下错误:
“1,000.00”的未定义方法“cents”:字符串
我按照本教程获得了一个“花哨的”货币输入字段。
数据库架构:
t.integer "balance_cents", default: 0, null: false
t.string "balance_currency", default: "USD", null: false
模型:
monetize :balance_cents, as: :balance, allow_nil: :true, :numericality => { :greater_than_or_equal_to => 0}
def initialize(attributes = {})
super
@balance = attributes[:balance]
end
形式:
<%= form_for(@asset, url: assets_new_path) do |f| %>
<%= f.label :balance, "Balance / Value ($)" %>
<%= f.number_field :balance, data: { role: 'money', a_sep: ',', a_dec: '.' }, class: 'form-control' %>
控制器:
def create
@asset = Asset.new(asset_params)
if @asset.save
flash[:success] = "New asset created successfully."
redirect_to assets_path
else
...
end
end
def asset_params
params.require(:asset).permit(:balance)
end
我应该以另一种(更好的)方式设置 :balance 输入字段吗?