Rails可以被嵌套嵌套形式与父母形式的索引页
问题描述:
index.html.hamlRails可以被嵌套嵌套形式与父母形式的索引页
我在指数page.I显示客户详细信息列表中选择所需的嵌套形式“货地址”字段也将上市在索引页
%tbody
- @customer_details.each do |customer|
%tr
%td= customer.customer_name
%td= customer.customer_id
%td= customer.address
%td= customer.state
%td= customer.email
- customer.goods_address.each do |goods_address|
%td= goods_address.delivery_address
%td= goods_address.name
%td= goods_address.address
%td= goods_address.state
答
可能会有一些客户goods_address
所以each
不能nil
obect执行没有
尝试:
%tbody
- @customer_details.each do |customer|
%tr
%td= customer.customer_name
%td= customer.customer_id
%td= customer.address
%td= customer.state
%td= customer.email
- if customer.goods_address.present?
%td= customer.goods_address.delivery_address
%td= customer.goods_address.name
%td= customer.goods_address.address
%td= customer.goods_address.state
我did.now越来越像未定义的方法错误'each'for# –
@HariPrakash:你可以在你的问题中更新你的关联吗? –
class CustomerDetail